rfivet/uemacs
1
0
Fork 0
mirror of https://github.com/rfivet/uemacs.git synced 2024-12-17 23:06:25 -05:00
Code Releases Activity

Run "indent -kr -i8" on the sources

Browse Source 
Let's see how nasty it is to clean things up. For real.
This commit is contained in:
Linus Torvalds 2005-09-30 15:26:09 -07:00
parent 1f6239bfeb
commit 435dd32ae2
34 changed files with 6805 additions and 6655 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

213
ansi.c
View File

@ -7,7 +7,7 @@
* modified by Petri Kutvonen
*/
#define termdef 1 /* don't define "term" external */
#define termdef 1 /* don't define "term" external */
#include <stdio.h>
#include "estruct.h"
@ -15,40 +15,40 @@
#if ANSI
#define NROW 25 /* Screen size. */
#define NCOL 80 /* Edit if you want to. */
#define NROW 25 /* Screen size. */
#define NCOL 80 /* Edit if you want to. */
#if PKCODE
#define MROW 64
#endif
#define NPAUSE 100 /* # times thru update to pause */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define BEL 0x07 /* BEL character. */
#define ESC 0x1B /* ESC character. */
#define NPAUSE 100 /* # times thru update to pause */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define BEL 0x07 /* BEL character. */
#define ESC 0x1B /* ESC character. */
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int ansimove();
extern int ansieeol();
extern int ansieeop();
extern int ansibeep();
extern int ansiopen();
extern int ansirev();
extern int ansiclose();
extern int ansikopen();
extern int ansikclose();
extern int ansicres();
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int ansimove();
extern int ansieeol();
extern int ansieeop();
extern int ansibeep();
extern int ansiopen();
extern int ansirev();
extern int ansiclose();
extern int ansikopen();
extern int ansikclose();
extern int ansicres();
#if COLOR
extern int ansifcol();
extern int ansibcol();
extern int ansifcol();
extern int ansibcol();
int cfcolor = -1; /* current forground color */
int cbcolor = -1; /* current background color */
int cfcolor = -1; /* current forground color */
int cbcolor = -1; /* current background color */
#endif
@ -56,85 +56,85 @@ int cbcolor = -1; /* current background color */
* Standard terminal interface dispatch table. Most of the fields point into
* "termio" code.
*/
TERM term = {
TERM term = {
#if PKCODE
MROW-1,
MROW - 1,
#else
NROW-1,
NROW - 1,
#endif
NROW-1,
NCOL,
NCOL,
NROW - 1,
NCOL,
NCOL,
MARGIN,
SCRSIZ,
NPAUSE,
ansiopen,
ansiclose,
ansiopen,
ansiclose,
ansikopen,
ansikclose,
ttgetc,
ttputc,
ttflush,
ansimove,
ansieeol,
ansieeop,
ansibeep,
ttgetc,
ttputc,
ttflush,
ansimove,
ansieeol,
ansieeop,
ansibeep,
ansirev,
ansicres
#if COLOR
, ansifcol,
, ansifcol,
ansibcol
#endif
#if SCROLLCODE
, NULL
, NULL
#endif
};
#if COLOR
ansifcol(color) /* set the current output color */
int color; /* color to set */
ansifcol(color)
/* set the current output color */
int color; /* color to set */
{
if (color == cfcolor)
return;
ttputc(ESC);
ttputc('[');
ansiparm(color+30);
ansiparm(color + 30);
ttputc('m');
cfcolor = color;
}
ansibcol(color) /* set the current background color */
int color; /* color to set */
ansibcol(color)
/* set the current background color */
int color; /* color to set */
{
if (color == cbcolor)
return;
ttputc(ESC);
ttputc('[');
ansiparm(color+40);
ansiparm(color + 40);
ttputc('m');
cbcolor = color;
cbcolor = color;
}
#endif
ansimove(row, col)
{
ttputc(ESC);
ttputc('[');
ansiparm(row+1);
ttputc(';');
ansiparm(col+1);
ttputc('H');
ttputc(ESC);
ttputc('[');
ansiparm(row + 1);
ttputc(';');
ansiparm(col + 1);
ttputc('H');
}
ansieeol()
{
ttputc(ESC);
ttputc('[');
ttputc('K');
ttputc(ESC);
ttputc('[');
ttputc('K');
}
ansieeop()
@ -143,14 +143,14 @@ ansieeop()
ansifcol(gfcolor);
ansibcol(gbcolor);
#endif
ttputc(ESC);
ttputc('[');
ttputc('J');
ttputc(ESC);
ttputc('[');
ttputc('J');
}
ansirev(state) /* change reverse video state */
int state; /* TRUE = reverse, FALSE = normal */
ansirev(state)
/* change reverse video state */
int state; /* TRUE = reverse, FALSE = normal */
{
#if COLOR
@ -159,7 +159,7 @@ int state; /* TRUE = reverse, FALSE = normal */
ttputc(ESC);
ttputc('[');
ttputc(state ? '7': '0');
ttputc(state ? '7' : '0');
ttputc('m');
#if COLOR
if (state == FALSE) {
@ -173,62 +173,59 @@ int state; /* TRUE = reverse, FALSE = normal */
#endif
}
ansicres() /* change screen resolution */
{
return(TRUE);
ansicres()
{ /* change screen resolution */
return (TRUE);
}
spal(dummy) /* change pallette settings */
{
spal(dummy)
{ /* change pallette settings */
/* none for now */
}
ansibeep()
{
ttputc(BEL);
ttflush();
ttputc(BEL);
ttflush();
}
ansiparm(n)
register int n;
register int n;
{
register int q,r;
register int q, r;
q = n/10;
if (q != 0) {
r = q/10;
q = n / 10;
if (q != 0) {
r = q / 10;
if (r != 0) {
ttputc((r%10)+'0');
ttputc((r % 10) + '0');
}
ttputc((q%10) + '0');
}
ttputc((n%10) + '0');
ttputc((q % 10) + '0');
}
ttputc((n % 10) + '0');
}
ansiopen()
{
#if V7 | USG | BSD
register char *cp;
char *getenv();
register char *cp;
char *getenv();
if ((cp = getenv("TERM")) == NULL) {
puts("Shell variable TERM not defined!");
exit(1);
}
if (strcmp(cp, "vt100") != 0) {
puts("Terminal type not 'vt100'!");
exit(1);
}
if ((cp = getenv("TERM")) == NULL) {
puts("Shell variable TERM not defined!");
exit(1);
}
if (strcmp(cp, "vt100") != 0) {
puts("Terminal type not 'vt100'!");
exit(1);
}
#endif
strcpy(sres, "NORMAL");
revexist = TRUE;
ttopen();
ttopen();
}
ansiclose()
{
#if COLOR
ansifcol(7);
@ -237,24 +234,22 @@ ansiclose()
ttclose();
}
ansikopen() /* open the keyboard (a noop here) */
{
ansikopen()
{ /* open the keyboard (a noop here) */
}
ansikclose() /* close the keyboard (a noop here) */
{
ansikclose()
{ /* close the keyboard (a noop here) */
}
#if FNLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
fnclabel(f, n)
/* label a function key */
int f, n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
return (TRUE);
}
#endif
#else

360
basic.c
View File

@ -20,8 +20,8 @@
*/
gotobol(f, n)
{
curwp->w_doto = 0;
return (TRUE);
curwp->w_doto = 0;
return (TRUE);
}
/*
@ -31,23 +31,23 @@ gotobol(f, n)
* line pointer for dot changes.
*/
backchar(f, n)
register int n;
register int n;
{
register LINE *lp;
register LINE *lp;
if (n < 0)
return (forwchar(f, -n));
while (n--) {
if (curwp->w_doto == 0) {
if ((lp=lback(curwp->w_dotp)) == curbp->b_linep)
return (FALSE);
curwp->w_dotp = lp;
curwp->w_doto = llength(lp);
curwp->w_flag |= WFMOVE;
} else
curwp->w_doto--;
}
return (TRUE);
if (n < 0)
return (forwchar(f, -n));
while (n--) {
if (curwp->w_doto == 0) {
if ((lp = lback(curwp->w_dotp)) == curbp->b_linep)
return (FALSE);
curwp->w_dotp = lp;
curwp->w_doto = llength(lp);
curwp->w_flag |= WFMOVE;
} else
curwp->w_doto--;
}
return (TRUE);
}
/*
@ -55,8 +55,8 @@ register int n;
*/
gotoeol(f, n)
{
curwp->w_doto = llength(curwp->w_dotp);
return (TRUE);
curwp->w_doto = llength(curwp->w_dotp);
return (TRUE);
}
/*
@ -66,47 +66,47 @@ gotoeol(f, n)
* buffer. Set the flag if the line pointer for dot changes.
*/
forwchar(f, n)
register int n;
register int n;
{
if (n < 0)
return (backchar(f, -n));
while (n--) {
if (curwp->w_doto == llength(curwp->w_dotp)) {
if (curwp->w_dotp == curbp->b_linep)
return (FALSE);
curwp->w_dotp = lforw(curwp->w_dotp);
curwp->w_doto = 0;
curwp->w_flag |= WFMOVE;
} else
curwp->w_doto++;
}
return (TRUE);
if (n < 0)
return (backchar(f, -n));
while (n--) {
if (curwp->w_doto == llength(curwp->w_dotp)) {
if (curwp->w_dotp == curbp->b_linep)
return (FALSE);
curwp->w_dotp = lforw(curwp->w_dotp);
curwp->w_doto = 0;
curwp->w_flag |= WFMOVE;
} else
curwp->w_doto++;
}
return (TRUE);
}
gotoline(f, n) /* move to a particular line.
argument (n) must be a positive integer for
this to actually do anything */
{
gotoline(f, n)
{ /* move to a particular line.
argument (n) must be a positive integer for
this to actually do anything */
register int status; /* status return */
char arg[NSTRING]; /* buffer to hold argument */
/* get an argument if one doesnt exist */
if (f == FALSE) {
if ((status = mlreply("Line to GOTO: ", arg, NSTRING)) != TRUE) {
if ((status =
mlreply("Line to GOTO: ", arg, NSTRING)) != TRUE) {
mlwrite("(Aborted)");
return(status);
return (status);
}
n = atoi(arg);
}
if (n < 1) /* if a bogus argument...then leave */
return(FALSE);
return (FALSE);
/* first, we go to the start of the buffer */
curwp->w_dotp = lforw(curbp->b_linep);
curwp->w_doto = 0;
return(forwline(f, n-1));
curwp->w_dotp = lforw(curbp->b_linep);
curwp->w_doto = 0;
return (forwline(f, n - 1));
}
/*
@ -116,10 +116,10 @@ gotoline(f, n) /* move to a particular line.
*/
gotobob(f, n)
{
curwp->w_dotp = lforw(curbp->b_linep);
curwp->w_doto = 0;
curwp->w_flag |= WFHARD;
return (TRUE);
curwp->w_dotp = lforw(curbp->b_linep);
curwp->w_doto = 0;
curwp->w_flag |= WFHARD;
return (TRUE);
}
/*
@ -129,10 +129,10 @@ gotobob(f, n)
*/
gotoeob(f, n)
{
curwp->w_dotp = curbp->b_linep;
curwp->w_doto = 0;
curwp->w_flag |= WFHARD;
return (TRUE);
curwp->w_dotp = curbp->b_linep;
curwp->w_doto = 0;
curwp->w_flag |= WFHARD;
return (TRUE);
}
/*
@ -143,33 +143,33 @@ gotoeob(f, n)
*/
forwline(f, n)
{
register LINE *dlp;
register LINE *dlp;
if (n < 0)
return (backline(f, -n));
if (n < 0)
return (backline(f, -n));
/* if we are on the last line as we start....fail the command */
if (curwp->w_dotp == curbp->b_linep)
return(FALSE);
return (FALSE);
/* if the last command was not note a line move,
reset the goal column */
if ((lastflag&CFCPCN) == 0)
curgoal = getccol(FALSE);
if ((lastflag & CFCPCN) == 0)
curgoal = getccol(FALSE);
/* flag this command as a line move */
thisflag |= CFCPCN;
thisflag |= CFCPCN;
/* and move the point down */
dlp = curwp->w_dotp;
while (n-- && dlp!=curbp->b_linep)
dlp = lforw(dlp);
dlp = curwp->w_dotp;
while (n-- && dlp != curbp->b_linep)
dlp = lforw(dlp);
/* reseting the current position */
curwp->w_dotp = dlp;
curwp->w_doto = getgoal(dlp);
curwp->w_flag |= WFMOVE;
return (TRUE);
curwp->w_dotp = dlp;
curwp->w_doto = getgoal(dlp);
curwp->w_flag |= WFMOVE;
return (TRUE);
}
/*
@ -180,48 +180,48 @@ forwline(f, n)
*/
backline(f, n)
{
register LINE *dlp;
register LINE *dlp;
if (n < 0)
return (forwline(f, -n));
if (n < 0)
return (forwline(f, -n));
/* if we are on the last line as we start....fail the command */
if (lback(curwp->w_dotp) == curbp->b_linep)
return(FALSE);
return (FALSE);
/* if the last command was not note a line move,
reset the goal column */
if ((lastflag&CFCPCN) == 0)
curgoal = getccol(FALSE);
if ((lastflag & CFCPCN) == 0)
curgoal = getccol(FALSE);
/* flag this command as a line move */
thisflag |= CFCPCN;
thisflag |= CFCPCN;
/* and move the point up */
dlp = curwp->w_dotp;
while (n-- && lback(dlp)!=curbp->b_linep)
dlp = lback(dlp);
dlp = curwp->w_dotp;
while (n-- && lback(dlp) != curbp->b_linep)
dlp = lback(dlp);
/* reseting the current position */
curwp->w_dotp = dlp;
curwp->w_doto = getgoal(dlp);
curwp->w_flag |= WFMOVE;
return (TRUE);
curwp->w_dotp = dlp;
curwp->w_doto = getgoal(dlp);
curwp->w_flag |= WFMOVE;
return (TRUE);
}
#if WORDPRO
gotobop(f, n) /* go back to the beginning of the current paragraph
here we look for a <NL><NL> or <NL><TAB> or <NL><SPACE>
combination to delimit the beginning of a paragraph */
int f, n; /* default Flag & Numeric argument */
gotobop(f, n)
/* go back to the beginning of the current paragraph
here we look for a <NL><NL> or <NL><TAB> or <NL><SPACE>
combination to delimit the beginning of a paragraph */
int f, n; /* default Flag & Numeric argument */
{
register int suc; /* success of last backchar */
if (n < 0) /* the other way...*/
return(gotoeop(f, -n));
if (n < 0) /* the other way... */
return (gotoeop(f, -n));
while (n-- > 0) { /* for each one asked for */
@ -232,16 +232,16 @@ int f, n; /* default Flag & Numeric argument */
curwp->w_doto = 0; /* and go to the B-O-Line */
/* and scan back until we hit a <NL><NL> or <NL><TAB>
or a <NL><SPACE> */
or a <NL><SPACE> */
while (lback(curwp->w_dotp) != curbp->b_linep)
if (llength(curwp->w_dotp) != 0 &&
#if PKCODE
((justflag == TRUE) ||
#endif
lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
#if PKCODE
)
)
#endif
curwp->w_dotp = lback(curwp->w_dotp);
else
@ -253,20 +253,20 @@ int f, n; /* default Flag & Numeric argument */
suc = forwchar(FALSE, 1);
}
curwp->w_flag |= WFMOVE; /* force screen update */
return(TRUE);
return (TRUE);
}
gotoeop(f, n) /* go forword to the end of the current paragraph
here we look for a <NL><NL> or <NL><TAB> or <NL><SPACE>
combination to delimit the beginning of a paragraph */
int f, n; /* default Flag & Numeric argument */
gotoeop(f, n)
/* go forword to the end of the current paragraph
here we look for a <NL><NL> or <NL><TAB> or <NL><SPACE>
combination to delimit the beginning of a paragraph */
int f, n; /* default Flag & Numeric argument */
{
register int suc; /* success of last backchar */
if (n < 0) /* the other way...*/
return(gotobop(f, -n));
if (n < 0) /* the other way... */
return (gotobop(f, -n));
while (n-- > 0) { /* for each one asked for */
@ -279,16 +279,16 @@ int f, n; /* default Flag & Numeric argument */
curwp->w_dotp = lforw(curwp->w_dotp);
/* and scan forword until we hit a <NL><NL> or <NL><TAB>
or a <NL><SPACE> */
or a <NL><SPACE> */
while (curwp->w_dotp != curbp->b_linep) {
if (llength(curwp->w_dotp) != 0 &&
#if PKCODE
((justflag == TRUE) ||
#endif
lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
lgetc(curwp->w_dotp, curwp->w_doto) != TAB &&
lgetc(curwp->w_dotp, curwp->w_doto) != ' ')
#if PKCODE
)
)
#endif
curwp->w_dotp = lforw(curwp->w_dotp);
else
@ -303,7 +303,7 @@ int f, n; /* default Flag & Numeric argument */
curwp->w_doto = llength(curwp->w_dotp); /* and to the EOL */
}
curwp->w_flag |= WFMOVE; /* force screen update */
return(TRUE);
return (TRUE);
}
#endif
@ -313,29 +313,29 @@ int f, n; /* default Flag & Numeric argument */
* Used by "C-N" and "C-P".
*/
getgoal(dlp)
register LINE *dlp;
register LINE *dlp;
{
register int c;
register int col;
register int newcol;
register int dbo;
register int c;
register int col;
register int newcol;
register int dbo;
col = 0;
dbo = 0;
while (dbo != llength(dlp)) {
c = lgetc(dlp, dbo);
newcol = col;
if (c == '\t')
newcol |= tabmask;
else if (c<0x20 || c==0x7F)
++newcol;
++newcol;
if (newcol > curgoal)
break;
col = newcol;
++dbo;
}
return (dbo);
col = 0;
dbo = 0;
while (dbo != llength(dlp)) {
c = lgetc(dlp, dbo);
newcol = col;
if (c == '\t')
newcol |= tabmask;
else if (c < 0x20 || c == 0x7F)
++newcol;
++newcol;
if (newcol > curgoal)
break;
col = newcol;
++dbo;
}
return (dbo);
}
/*
@ -345,11 +345,11 @@ register LINE *dlp;
* this zaps the top line in the display window, we have to do a hard update.
*/
forwpage(f, n)
register int n;
register int n;
{
register LINE *lp;
register LINE *lp;
if (f == FALSE) {
if (f == FALSE) {
#if SCROLLCODE
if (term.t_scroll != NULL)
if (overlap == 0)
@ -358,27 +358,27 @@ register int n;
n = curwp->w_ntrows - overlap;
else
#endif
n = curwp->w_ntrows - 2; /* Default scroll. */
if (n <= 0) /* Forget the overlap */
n = 1; /* if tiny window. */
} else if (n < 0)
return (backpage(f, -n));
n = curwp->w_ntrows - 2; /* Default scroll. */
if (n <= 0) /* Forget the overlap */
n = 1; /* if tiny window. */
} else if (n < 0)
return (backpage(f, -n));
#if CVMVAS
else /* Convert from pages */
n *= curwp->w_ntrows; /* to lines. */
else /* Convert from pages */
n *= curwp->w_ntrows; /* to lines. */
#endif
lp = curwp->w_linep;
while (n-- && lp!=curbp->b_linep)
lp = lforw(lp);
curwp->w_linep = lp;
curwp->w_dotp = lp;
curwp->w_doto = 0;
lp = curwp->w_linep;
while (n-- && lp != curbp->b_linep)
lp = lforw(lp);
curwp->w_linep = lp;
curwp->w_dotp = lp;
curwp->w_doto = 0;
#if SCROLLCODE
curwp->w_flag |= WFHARD|WFKILLS;
curwp->w_flag |= WFHARD | WFKILLS;
#else
curwp->w_flag |= WFHARD;
#endif
return (TRUE);
return (TRUE);
}
/*
@ -388,11 +388,11 @@ register int n;
* reason.
*/
backpage(f, n)
register int n;
register int n;
{
register LINE *lp;
register LINE *lp;
if (f == FALSE) {
if (f == FALSE) {
#if SCROLLCODE
if (term.t_scroll != NULL)
if (overlap == 0)
@ -401,27 +401,27 @@ register int n;
n = curwp->w_ntrows - overlap;
else
#endif
n = curwp->w_ntrows - 2; /* Default scroll. */
if (n <= 0) /* Don't blow up if the */
n = 1; /* window is tiny. */
} else if (n < 0)
return (forwpage(f, -n));
n = curwp->w_ntrows - 2; /* Default scroll. */
if (n <= 0) /* Don't blow up if the */
n = 1; /* window is tiny. */
} else if (n < 0)
return (forwpage(f, -n));
#if CVMVAS
else /* Convert from pages */
n *= curwp->w_ntrows; /* to lines. */
else /* Convert from pages */
n *= curwp->w_ntrows; /* to lines. */
#endif
lp = curwp->w_linep;
while (n-- && lback(lp)!=curbp->b_linep)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_dotp = lp;
curwp->w_doto = 0;
lp = curwp->w_linep;
while (n-- && lback(lp) != curbp->b_linep)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_dotp = lp;
curwp->w_doto = 0;
#if SCROLLCODE
curwp->w_flag |= WFHARD|WFINS;
curwp->w_flag |= WFHARD | WFINS;
#else
curwp->w_flag |= WFHARD;
curwp->w_flag |= WFHARD;
#endif
return (TRUE);
return (TRUE);
}
/*
@ -430,10 +430,10 @@ register int n;
*/
setmark(f, n)
{
curwp->w_markp = curwp->w_dotp;
curwp->w_marko = curwp->w_doto;
mlwrite("(Mark set)");
return (TRUE);
curwp->w_markp = curwp->w_dotp;
curwp->w_marko = curwp->w_doto;
mlwrite("(Mark set)");
return (TRUE);
}
/*
@ -444,19 +444,19 @@ setmark(f, n)
*/
swapmark(f, n)
{
register LINE *odotp;
register int odoto;
register LINE *odotp;
register int odoto;
if (curwp->w_markp == NULL) {
mlwrite("No mark in this window");
return (FALSE);
}
odotp = curwp->w_dotp;
odoto = curwp->w_doto;
curwp->w_dotp = curwp->w_markp;
curwp->w_doto = curwp->w_marko;
curwp->w_markp = odotp;
curwp->w_marko = odoto;
curwp->w_flag |= WFMOVE;
return (TRUE);
if (curwp->w_markp == NULL) {
mlwrite("No mark in this window");
return (FALSE);
}
odotp = curwp->w_dotp;
odoto = curwp->w_doto;
curwp->w_dotp = curwp->w_markp;
curwp->w_doto = curwp->w_marko;
curwp->w_markp = odotp;
curwp->w_marko = odoto;
curwp->w_flag |= WFMOVE;
return (TRUE);
}

251
bind.c
View File

@ -12,12 +12,12 @@
#include "edef.h"
#include "epath.h"
extern int meta(), cex(), unarg(), ctrlg(); /* dummy prefix binding functions */
extern int meta(), cex(), unarg(), ctrlg(); /* dummy prefix binding functions */
help(f, n) /* give me some help!!!!
bring up a fake buffer and read the help file
into it with view mode */
{
help(f, n)
{ /* give me some help!!!!
bring up a fake buffer and read the help file
into it with view mode */
register WINDOW *wp; /* scaning pointer to windows */
register BUFFER *bp; /* buffer pointer to help */
char *fname; /* ptr to file returned by flook() */
@ -29,18 +29,18 @@ help(f, n) /* give me some help!!!!
fname = flook(pathname[1], FALSE);
if (fname == NULL) {
mlwrite("(Help file is not online)");
return(FALSE);
return (FALSE);
}
}
/* split the current window to make room for the help stuff */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
if (bp == NULL) {
/* and read the stuff in */
if (getfile(fname, FALSE) == FALSE)
return(FALSE);
return (FALSE);
} else
swbuffer(bp);
@ -52,16 +52,15 @@ help(f, n) /* give me some help!!!!
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
return(TRUE);
return (TRUE);
}
deskey(f, n) /* describe the command for a certain key */
{
deskey(f, n)
{ /* describe the command for a certain key */
register int c; /* key to describe */
register char *ptr; /* string pointer to scan output strings */
char outseq[NSTRING]; /* output buffer for command sequence */
int (*getbind())();
int (*getbind()) ();
/* prompt the user to type us a key to describe */
mlwrite(": describe-key ");
@ -86,15 +85,15 @@ deskey(f, n) /* describe the command for a certain key */
bindtokey(f, n)
int f, n; /* command arguments [IGNORED] */
int f, n; /* command arguments [IGNORED] */
{
register unsigned int c;/* command key to bind */
register int (*kfunc)();/* ptr to the requested function to bind to */
register unsigned int c; /* command key to bind */
register int (*kfunc) (); /* ptr to the requested function to bind to */
register KEYTAB *ktp; /* pointer into the command table */
register int found; /* matched command flag */
char outseq[80]; /* output buffer for keystroke sequence */
int (*getname())();
int (*getname()) ();
/* prompt the user to type in a key to bind */
mlwrite(": bind-to-key ");
@ -103,13 +102,13 @@ int f, n; /* command arguments [IGNORED] */
kfunc = getname();
if (kfunc == NULL) {
mlwrite("(No such function)");
return(FALSE);
return (FALSE);
}
ostring(" ");
/* get the command sequence to bind */
c = getckey((kfunc == meta) || (kfunc == cex) ||
(kfunc == unarg) || (kfunc == ctrlg));
(kfunc == unarg) || (kfunc == ctrlg));
/* change it to something we can print as well */
cmdstr(c, &outseq[0]);
@ -152,29 +151,29 @@ int f, n; /* command arguments [IGNORED] */
++ktp;
}
if (found) { /* it exists, just change it then */
if (found) { /* it exists, just change it then */
ktp->k_fp = kfunc;
} else { /* otherwise we need to add it to the end */
} else { /* otherwise we need to add it to the end */
/* if we run out of binding room, bitch */
if (ktp >= &keytab[NBINDS]) {
mlwrite("Binding table FULL!");
return(FALSE);
return (FALSE);
}
ktp->k_code = c; /* add keycode */
ktp->k_fp = kfunc; /* and the function pointer */
++ktp; /* and make sure the next is null */
++ktp; /* and make sure the next is null */
ktp->k_code = 0;
ktp->k_fp = NULL;
}
return(TRUE);
return (TRUE);
}
/* unbindkey: delete a key from the key binding table */
unbindkey(f, n)
int f, n; /* command arguments [IGNORED] */
int f, n; /* command arguments [IGNORED] */
{
register int c; /* command key to unbind */
@ -184,7 +183,7 @@ int f, n; /* command arguments [IGNORED] */
mlwrite(": unbind-key ");
/* get the command sequence to unbind */
c = getckey(FALSE); /* get a command sequence */
c = getckey(FALSE); /* get a command sequence */
/* change it to something we can print as well */
cmdstr(c, &outseq[0]);
@ -195,14 +194,14 @@ int f, n; /* command arguments [IGNORED] */
/* if it isn't bound, bitch */
if (unbindchar(c) == FALSE) {
mlwrite("(Key not bound)");
return(FALSE);
return (FALSE);
}
return(TRUE);
return (TRUE);
}
unbindchar(c)
int c; /* command key to unbind */
int c; /* command key to unbind */
{
register KEYTAB *ktp; /* pointer into the command table */
@ -222,50 +221,49 @@ int c; /* command key to unbind */
/* if it isn't bound, bitch */
if (!found)
return(FALSE);
return (FALSE);
/* save the pointer and scan to the end of the table */
sktp = ktp;
while (ktp->k_fp != NULL)
++ktp;
--ktp; /* backup to the last legit entry */
--ktp; /* backup to the last legit entry */
/* copy the last entry to the current one */
sktp->k_code = ktp->k_code;
sktp->k_fp = ktp->k_fp;
sktp->k_fp = ktp->k_fp;
/* null out the last one */
ktp->k_code = 0;
ktp->k_fp = NULL;
return(TRUE);
return (TRUE);
}
desbind(f, n) /* describe bindings
bring up a fake buffer and list the key bindings
into it with view mode */
desbind(f, n)
/* describe bindings
bring up a fake buffer and list the key bindings
into it with view mode */
#if APROP
{
buildlist(TRUE, "");
}
apro(f, n) /* Apropos (List functions that match a substring) */
{
apro(f, n)
{ /* Apropos (List functions that match a substring) */
char mstring[NSTRING]; /* string to match cmd names to */
int status; /* status return */
status = mlreply("Apropos string: ", mstring, NSTRING - 1);
if (status != TRUE)
return(status);
return (status);
return(buildlist(FALSE, mstring));
return (buildlist(FALSE, mstring));
}
buildlist(type, mstring) /* build a binding list (limited or full) */
int type; /* true = full list, false = partial list */
char *mstring; /* match string if a partial list */
buildlist(type, mstring)
/* build a binding list (limited or full) */
int type; /* true = full list, false = partial list */
char *mstring; /* match string if a partial list */
#endif
{
@ -279,34 +277,34 @@ char *mstring; /* match string if a partial list */
/* split the current window to make room for the binding list */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
/* and get a buffer for it */
bp = bfind("*Binding list*", TRUE, 0);
if (bp == NULL || bclear(bp) == FALSE) {
mlwrite("Can not display binding list");
return(FALSE);
return (FALSE);
}
/* let us know this is in progress */
mlwrite("(Building binding list)");
/* disconect the current buffer */
if (--curbp->b_nwnd == 0) { /* Last use. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
if (--curbp->b_nwnd == 0) { /* Last use. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
/* connect the current window to this buffer */
curbp = bp; /* make this buffer current in current window */
curbp = bp; /* make this buffer current in current window */
bp->b_mode = 0; /* no modes active in binding list */
bp->b_nwnd++; /* mark us as more in use */
wp = curwp;
wp->w_bufp = bp;
wp->w_linep = bp->b_linep;
wp->w_flag = WFHARD|WFFORCE;
wp->w_flag = WFHARD | WFFORCE;
wp->w_dotp = bp->b_dotp;
wp->w_doto = bp->b_doto;
wp->w_markp = NULL;
@ -341,7 +339,7 @@ char *mstring; /* match string if a partial list */
/* and add it as a line into the buffer */
if (linstr(outseq) != TRUE)
return(FALSE);
return (FALSE);
cpos = 0; /* and clear the line */
}
@ -353,36 +351,36 @@ char *mstring; /* match string if a partial list */
outseq[cpos++] = '\n';
outseq[cpos] = 0;
if (linstr(outseq) != TRUE)
return(FALSE);
return (FALSE);
}
fail: /* and on to the next name */
fail: /* and on to the next name */
++nptr;
}
curwp->w_bufp->b_mode |= MDVIEW;/* put this buffer view mode */
curwp->w_bufp->b_mode |= MDVIEW; /* put this buffer view mode */
curbp->b_flag &= ~BFCHG; /* don't flag this as a change */
wp->w_dotp = lforw(bp->b_linep);/* back to the beginning */
wp->w_dotp = lforw(bp->b_linep); /* back to the beginning */
wp->w_doto = 0;
wp = wheadp; /* and update ALL mode lines */
wp = wheadp; /* and update ALL mode lines */
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
mlwrite(""); /* clear the mode line */
return(TRUE);
mlwrite(""); /* clear the mode line */
return (TRUE);
}
#if APROP
strinc(source, sub) /* does source include sub? */
char *source; /* string to search in */
char *sub; /* substring to look for */
strinc(source, sub)
/* does source include sub? */
char *source; /* string to search in */
char *sub; /* substring to look for */
{
char *sp; /* ptr into source */
char *nxtsp; /* next ptr into source */
char *tp; /* ptr into substring */
char *sp; /* ptr into source */
char *nxtsp; /* next ptr into source */
char *tp; /* ptr into substring */
/* for each character in the source string */
sp = source;
@ -400,12 +398,12 @@ char *sub; /* substring to look for */
/* yes, return a success */
if (*tp == 0)
return(TRUE);
return (TRUE);
/* no, onward */
sp++;
}
return(FALSE);
return (FALSE);
}
#endif
@ -413,16 +411,16 @@ char *sub; /* substring to look for */
unsigned int getckey(mflag)
int mflag; /* going for a meta sequence? */
int mflag; /* going for a meta sequence? */
{
register unsigned int c; /* character fetched */
char tok[NSTRING]; /* command incoming */
char tok[NSTRING]; /* command incoming */
/* check to see if we are executing a command line */
if (clexec) {
macarg(tok); /* get the next token */
return(stock(tok));
return (stock(tok));
}
/* or the normal way */
@ -430,17 +428,17 @@ int mflag; /* going for a meta sequence? */
c = get1key();
else
c = getcmd();
return(c);
return (c);
}
/* execute the startup file */
startup(sfname)
char *sfname; /* name of startup file (null if default) */
char *sfname; /* name of startup file (null if default) */
{
char *fname; /* resulting file name to execute */
char *fname; /* resulting file name to execute */
/* look up the startup file */
if (*sfname != 0)
@ -450,10 +448,10 @@ char *sfname; /* name of startup file (null if default) */
/* if it isn't around, don't sweat it */
if (fname == NULL)
return(TRUE);
return (TRUE);
/* otherwise, execute the sucker */
return(dofile(fname));
return (dofile(fname));
}
/* Look up the existance of a file along the normal or PATH
@ -463,8 +461,8 @@ char *sfname; /* name of startup file (null if default) */
char *flook(fname, hflag)
char *fname; /* base file name to search for */
int hflag; /* Look in the HOME environment variable first? */
char *fname; /* base file name to search for */
int hflag; /* Look in the HOME environment variable first? */
{
register char *home; /* path to home directory */
@ -487,7 +485,7 @@ int hflag; /* Look in the HOME environment variable first? */
/* and try it out */
if (ffropen(fspec) == FIOSUC) {
ffclose();
return(fspec);
return (fspec);
}
}
}
@ -496,9 +494,8 @@ int hflag; /* Look in the HOME environment variable first? */
/* always try the current directory first */
if (ffropen(fname) == FIOSUC) {
ffclose();
return(fname);
return (fname);
}
#if ENVFUNC
/* get the PATH variable */
path = getenv("PATH");
@ -519,7 +516,7 @@ int hflag; /* Look in the HOME environment variable first? */
/* and try it out */
if (ffropen(fspec) == FIOSUC) {
ffclose();
return(fspec);
return (fspec);
}
if (*path == PATHCHR)
@ -528,27 +525,27 @@ int hflag; /* Look in the HOME environment variable first? */
#endif
/* look it up via the old table method */
for (i=2; i < NPNAMES; i++) {
for (i = 2; i < NPNAMES; i++) {
strcpy(fspec, pathname[i]);
strcat(fspec, fname);
/* and try it out */
if (ffropen(fspec) == FIOSUC) {
ffclose();
return(fspec);
return (fspec);
}
}
return(NULL); /* no such luck */
return (NULL); /* no such luck */
}
cmdstr(c, seq) /* change a key command to a string we can print out */
int c; /* sequence to translate */
char *seq; /* destination string for sequence */
cmdstr(c, seq)
/* change a key command to a string we can print out */
int c; /* sequence to translate */
char *seq; /* destination string for sequence */
{
char *ptr; /* pointer into current position in sequence */
char *ptr; /* pointer into current position in sequence */
ptr = seq;
@ -578,28 +575,28 @@ char *seq; /* destination string for sequence */
/* and output the final sequence */
*ptr++ = c & 255; /* strip the prefixes */
*ptr = 0; /* terminate the string */
*ptr = 0; /* terminate the string */
}
/* This function looks a key binding up in the binding table */
int (*getbind(c))()
int (*getbind(c)) ()
int c; /* key to find what is bound to it */
int c; /* key to find what is bound to it */
{
register KEYTAB *ktp;
ktp = &keytab[0]; /* Look in key table. */
while (ktp->k_fp != NULL) {
if (ktp->k_code == c)
return(ktp->k_fp);
++ktp;
}
ktp = &keytab[0]; /* Look in key table. */
while (ktp->k_fp != NULL) {
if (ktp->k_code == c)
return (ktp->k_fp);
++ktp;
}
/* no such binding */
return(NULL);
return (NULL);
}
/* getfname: This function takes a ptr to function and gets the name
@ -608,7 +605,7 @@ int c; /* key to find what is bound to it */
char *getfname(func)
int (*func)(); /* ptr to the requested function to bind to */
int (*func) (); /* ptr to the requested function to bind to */
{
register NBIND *nptr; /* pointer into the name binding table */
@ -617,16 +614,16 @@ int (*func)(); /* ptr to the requested function to bind to */
nptr = &names[0];
while (nptr->n_func != NULL) {
if (nptr->n_func == func)
return(nptr->n_name);
return (nptr->n_name);
++nptr;
}
return(NULL);
return (NULL);
}
int (*fncmatch(fname))() /* match fname to a function in the names table
and return any match or NULL if none */
char *fname; /* name to attempt to match */
int (*fncmatch(fname)) ()
/* match fname to a function in the names table
and return any match or NULL if none */
char *fname; /* name to attempt to match */
{
register NBIND *ffp; /* pointer to entry in name binding table */
@ -635,17 +632,17 @@ char *fname; /* name to attempt to match */
ffp = &names[0];
while (ffp->n_func != NULL) {
if (strcmp(fname, ffp->n_name) == 0)
return(ffp->n_func);
return (ffp->n_func);
++ffp;
}
return(NULL);
return (NULL);
}
/* stock: String key name TO Command Key */
unsigned int stock(keyname)
char *keyname; /* name of key to translate to Command key form */
char *keyname; /* name of key to translate to Command key form */
{
register unsigned int c; /* key sequence to return */
@ -654,25 +651,25 @@ char *keyname; /* name of key to translate to Command key form */
c = 0;
/* first, the META prefix */
if (*keyname == 'M' && *(keyname+1) == '-') {
if (*keyname == 'M' && *(keyname + 1) == '-') {
c = META;
keyname += 2;
}
/* next the function prefix */
if (*keyname == 'F' && *(keyname+1) == 'N') {
if (*keyname == 'F' && *(keyname + 1) == 'N') {
c |= SPEC;
keyname += 2;
}
/* control-x as well... (but not with FN) */
if (*keyname == '^' && *(keyname+1) == 'X'&& !(c & SPEC)) {
if (*keyname == '^' && *(keyname + 1) == 'X' && !(c & SPEC)) {
c |= CTLX;
keyname += 2;
}
/* a control char? */
if (*keyname == '^' && *(keyname+1) != 0) {
if (*keyname == '^' && *(keyname + 1) != 0) {
c |= CONTROL;
++keyname;
}
@ -682,27 +679,27 @@ char *keyname; /* name of key to translate to Command key form */
}
/* make sure we are not lower case (not with function keys)*/
/* make sure we are not lower case (not with function keys) */
if (*keyname >= 'a' && *keyname <= 'z' && !(c & SPEC))
*keyname -= 32;
/* the final sequence... */
c |= *keyname;
return(c);
return (c);
}
char *transbind(skey) /* string key name to binding name.... */
char *skey; /* name of keey to get binding for */
char *transbind(skey)
/* string key name to binding name.... */
char *skey; /* name of keey to get binding for */
{
char *bindname;
unsigned int stock();
int (*getbind())();
int (*getbind()) ();
bindname = getfname(getbind(stock(skey)));
if (bindname == NULL)
bindname = "ERROR";
return(bindname);
return (bindname);
}

565
buffer.c
View File

@ -21,29 +21,29 @@
*/
usebuffer(f, n)
{
register BUFFER *bp;
register int s;
char bufn[NBUFN];
register BUFFER *bp;
register int s;
char bufn[NBUFN];
if ((s=mlreply("Use buffer: ", bufn, NBUFN)) != TRUE)
return (s);
if ((bp=bfind(bufn, TRUE, 0)) == NULL)
return (FALSE);
return(swbuffer(bp));
if ((s = mlreply("Use buffer: ", bufn, NBUFN)) != TRUE)
return (s);
if ((bp = bfind(bufn, TRUE, 0)) == NULL)
return (FALSE);
return (swbuffer(bp));
}
nextbuffer(f, n) /* switch to the next buffer in the buffer list */
int f, n; /* default flag, numeric argument */
nextbuffer(f, n)
/* switch to the next buffer in the buffer list */
int f, n; /* default flag, numeric argument */
{
register BUFFER *bp; /* eligable buffer to switch to*/
register BUFFER *bbp; /* eligable buffer to switch to*/
register BUFFER *bp; /* eligable buffer to switch to */
register BUFFER *bbp; /* eligable buffer to switch to */
/* make sure the arg is legit */
if (f == FALSE)
n = 1;
if (n < 1)
return(FALSE);
return (FALSE);
bbp = curbp;
while (n-- > 0) {
@ -59,60 +59,60 @@ int f, n; /* default flag, numeric argument */
/* don't get caught in an infinite loop! */
if (bp == bbp)
return(FALSE);
return (FALSE);
}
}
bbp = bp;
}
return(swbuffer(bp));
return (swbuffer(bp));
}
swbuffer(bp) /* make buffer BP current */
swbuffer(bp)
/* make buffer BP current */
BUFFER *bp;
{
register WINDOW *wp;
register WINDOW *wp;
if (--curbp->b_nwnd == 0) { /* Last use. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
curbp = bp; /* Switch. */
if (curbp->b_active != TRUE) { /* buffer not active yet*/
if (--curbp->b_nwnd == 0) { /* Last use. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
curbp = bp; /* Switch. */
if (curbp->b_active != TRUE) { /* buffer not active yet */
/* read it in and activate it */
readin(curbp->b_fname, TRUE);
curbp->b_dotp = lforw(curbp->b_linep);
curbp->b_doto = 0;
curbp->b_active = TRUE;
curbp->b_mode |= gmode; /* P.K. */
curbp->b_mode |= gmode; /* P.K. */
}
curwp->w_bufp = bp;
curwp->w_linep = bp->b_linep; /* For macros, ignored. */
curwp->w_flag |= WFMODE|WFFORCE|WFHARD; /* Quite nasty. */
if (bp->b_nwnd++ == 0) { /* First use. */
curwp->w_dotp = bp->b_dotp;
curwp->w_doto = bp->b_doto;
curwp->w_markp = bp->b_markp;
curwp->w_bufp = bp;
curwp->w_linep = bp->b_linep; /* For macros, ignored. */
curwp->w_flag |= WFMODE | WFFORCE | WFHARD; /* Quite nasty. */
if (bp->b_nwnd++ == 0) { /* First use. */
curwp->w_dotp = bp->b_dotp;
curwp->w_doto = bp->b_doto;
curwp->w_markp = bp->b_markp;
curwp->w_marko = bp->b_marko;
cknewwindow();
return (TRUE);
}
wp = wheadp; /* Look for old. */
while (wp != NULL) {
if (wp!=curwp && wp->w_bufp==bp) {
curwp->w_dotp = wp->w_dotp;
curwp->w_doto = wp->w_doto;
curwp->w_markp = wp->w_markp;
curwp->w_marko = wp->w_marko;
break;
}
wp = wp->w_wndp;
}
return (TRUE);
}
wp = wheadp; /* Look for old. */
while (wp != NULL) {
if (wp != curwp && wp->w_bufp == bp) {
curwp->w_dotp = wp->w_dotp;
curwp->w_doto = wp->w_doto;
curwp->w_markp = wp->w_markp;
curwp->w_marko = wp->w_marko;
break;
}
wp = wp->w_wndp;
}
cknewwindow();
return (TRUE);
}
@ -126,63 +126,63 @@ BUFFER *bp;
* line and the buffer header. Bound to "C-X K".
*/
killbuffer(f, n)
{
register BUFFER *bp;
register int s;
char bufn[NBUFN];
register int s;
char bufn[NBUFN];
if ((s=mlreply("Kill buffer: ", bufn, NBUFN)) != TRUE)
return(s);
if ((bp=bfind(bufn, FALSE, 0)) == NULL) /* Easy if unknown. */
return (TRUE);
if(bp->b_flag & BFINVS) /* Deal with special buffers */
return (TRUE); /* by doing nothing. */
return(zotbuf(bp));
if ((s = mlreply("Kill buffer: ", bufn, NBUFN)) != TRUE)
return (s);
if ((bp = bfind(bufn, FALSE, 0)) == NULL) /* Easy if unknown. */
return (TRUE);
if (bp->b_flag & BFINVS) /* Deal with special buffers */
return (TRUE); /* by doing nothing. */
return (zotbuf(bp));
}
zotbuf(bp) /* kill the buffer pointed to by bp */
zotbuf(bp)
/* kill the buffer pointed to by bp */
register BUFFER *bp;
{
register BUFFER *bp1;
register BUFFER *bp2;
register int s;
register BUFFER *bp1;
register BUFFER *bp2;
register int s;
if (bp->b_nwnd != 0) { /* Error if on screen. */
mlwrite("Buffer is being displayed");
return (FALSE);
}
if ((s=bclear(bp)) != TRUE) /* Blow text away. */
return (s);
free((char *) bp->b_linep); /* Release header line. */
bp1 = NULL; /* Find the header. */
bp2 = bheadp;
while (bp2 != bp) {
bp1 = bp2;
bp2 = bp2->b_bufp;
}
bp2 = bp2->b_bufp; /* Next one in chain. */
if (bp1 == NULL) /* Unlink it. */
bheadp = bp2;
else
bp1->b_bufp = bp2;
free((char *) bp); /* Release buffer block */
return (TRUE);
if (bp->b_nwnd != 0) { /* Error if on screen. */
mlwrite("Buffer is being displayed");
return (FALSE);
}
if ((s = bclear(bp)) != TRUE) /* Blow text away. */
return (s);
free((char *) bp->b_linep); /* Release header line. */
bp1 = NULL; /* Find the header. */
bp2 = bheadp;
while (bp2 != bp) {
bp1 = bp2;
bp2 = bp2->b_bufp;
}
bp2 = bp2->b_bufp; /* Next one in chain. */
if (bp1 == NULL) /* Unlink it. */
bheadp = bp2;
else
bp1->b_bufp = bp2;
free((char *) bp); /* Release buffer block */
return (TRUE);
}
namebuffer(f,n) /* Rename the current buffer */
int f, n; /* default Flag & Numeric arg */
namebuffer(f, n)
/* Rename the current buffer */
int f, n; /* default Flag & Numeric arg */
{
register BUFFER *bp; /* pointer to scan through all buffers */
char bufn[NBUFN]; /* buffer to hold buffer name */
/* prompt for and get the new buffer name */
ask: if (mlreply("Change buffer name to: ", bufn, NBUFN) != TRUE)
return(FALSE);
ask:if (mlreply("Change buffer name to: ", bufn, NBUFN) !=
TRUE)
return (FALSE);
/* and check for duplicates */
bp = bheadp;
@ -190,7 +190,7 @@ ask: if (mlreply("Change buffer name to: ", bufn, NBUFN) != TRUE)
if (bp != curbp) {
/* if the names the same */
if (strcmp(bufn, bp->b_bname) == 0)
goto ask; /* try again */
goto ask; /* try again */
}
bp = bp->b_bufp; /* onward */
}
@ -198,7 +198,7 @@ ask: if (mlreply("Change buffer name to: ", bufn, NBUFN) != TRUE)
strcpy(curbp->b_bname, bufn); /* copy buffer name to structure */
curwp->w_flag |= WFMODE; /* make mode line replot */
mlerase();
return(TRUE);
return (TRUE);
}
/*
@ -213,38 +213,38 @@ ask: if (mlreply("Change buffer name to: ", bufn, NBUFN) != TRUE)
listbuffers(f, n)
{
register WINDOW *wp;
register BUFFER *bp;
register int s;
register WINDOW *wp;
register BUFFER *bp;
register int s;
if ((s=makelist(f)) != TRUE)
return (s);
if (blistp->b_nwnd == 0) { /* Not on screen yet. */
if ((wp=wpopup()) == NULL)
return (FALSE);
bp = wp->w_bufp;
if (--bp->b_nwnd == 0) {
bp->b_dotp = wp->w_dotp;
bp->b_doto = wp->w_doto;
bp->b_markp = wp->w_markp;
bp->b_marko = wp->w_marko;
}
wp->w_bufp = blistp;
++blistp->b_nwnd;
}
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == blistp) {
wp->w_linep = lforw(blistp->b_linep);
wp->w_dotp = lforw(blistp->b_linep);
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_flag |= WFMODE|WFHARD;
}
wp = wp->w_wndp;
}
return (TRUE);
if ((s = makelist(f)) != TRUE)
return (s);
if (blistp->b_nwnd == 0) { /* Not on screen yet. */
if ((wp = wpopup()) == NULL)
return (FALSE);
bp = wp->w_bufp;
if (--bp->b_nwnd == 0) {
bp->b_dotp = wp->w_dotp;
bp->b_doto = wp->w_doto;
bp->b_markp = wp->w_markp;
bp->b_marko = wp->w_marko;
}
wp->w_bufp = blistp;
++blistp->b_nwnd;
}
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == blistp) {
wp->w_linep = lforw(blistp->b_linep);
wp->w_dotp = lforw(blistp->b_linep);
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_flag |= WFMODE | WFHARD;
}
wp = wp->w_wndp;
}
return (TRUE);
}
/*
@ -259,28 +259,29 @@ listbuffers(f, n)
#define MAXLINE MAXCOL
makelist(iflag)
int iflag; /* list hidden buffer flag */
int iflag; /* list hidden buffer flag */
{
register char *cp1;
register char *cp2;
register int c;
register BUFFER *bp;
register LINE *lp;
register int s;
register int i;
long nbytes; /* # of bytes in current buffer */
char b[7+1];
char line[MAXLINE];
register char *cp1;
register char *cp2;
register int c;
register BUFFER *bp;
register LINE *lp;
register int s;
register int i;
long nbytes; /* # of bytes in current buffer */
char b[7 + 1];
char line[MAXLINE];
blistp->b_flag &= ~BFCHG; /* Don't complain! */
if ((s=bclear(blistp)) != TRUE) /* Blow old text away */
return (s);
strcpy(blistp->b_fname, "");
if (addline("ACT MODES Size Buffer File") == FALSE
|| addline("--- ----- ---- ------ ----") == FALSE)
return (FALSE);
bp = bheadp; /* For all buffers */
blistp->b_flag &= ~BFCHG; /* Don't complain! */
if ((s = bclear(blistp)) != TRUE) /* Blow old text away */
return (s);
strcpy(blistp->b_fname, "");
if (addline("ACT MODES Size Buffer File") == FALSE
|| addline("--- ----- ---- ------ ----") ==
FALSE)
return (FALSE);
bp = bheadp; /* For all buffers */
/* build line to report global mode settings */
cp1 = &line[0];
@ -297,36 +298,36 @@ int iflag; /* list hidden buffer flag */
*cp1++ = '.';
strcpy(cp1, " Global Modes");
if (addline(line) == FALSE)
return(FALSE);
return (FALSE);
/* output the list of buffers */
while (bp != NULL) {
while (bp != NULL) {
/* skip invisable buffers if iflag is false */
if (((bp->b_flag&BFINVS) != 0) && (iflag != TRUE)) {
bp = bp->b_bufp;
continue;
}
cp1 = &line[0]; /* Start at left edge */
if (((bp->b_flag & BFINVS) != 0) && (iflag != TRUE)) {
bp = bp->b_bufp;
continue;
}
cp1 = &line[0]; /* Start at left edge */
/* output status of ACTIVE flag (has the file been read in? */
if (bp->b_active == TRUE) /* "@" if activated */
*cp1++ = '@';
else
*cp1++ = ' ';
if (bp->b_active == TRUE) /* "@" if activated */
*cp1++ = '@';
else
*cp1++ = ' ';
/* output status of changed flag */
if ((bp->b_flag&BFCHG) != 0) /* "*" if changed */
*cp1++ = '*';
else
*cp1++ = ' ';
if ((bp->b_flag & BFCHG) != 0) /* "*" if changed */
*cp1++ = '*';
else
*cp1++ = ' ';
/* report if the file is truncated */
if ((bp->b_flag&BFTRUNC) != 0)
*cp1++ = '#';
else
*cp1++ = ' ';
if ((bp->b_flag & BFTRUNC) != 0)
*cp1++ = '#';
else
*cp1++ = ' ';
*cp1++ = ' '; /* space */
*cp1++ = ' '; /* space */
/* output the mode codes */
for (i = 0; i < NUMMODES; i++) {
@ -335,53 +336,53 @@ int iflag; /* list hidden buffer flag */
else
*cp1++ = '.';
}
*cp1++ = ' '; /* Gap. */
nbytes = 0L; /* Count bytes in buf. */
lp = lforw(bp->b_linep);
while (lp != bp->b_linep) {
nbytes += (long)llength(lp)+1L;
lp = lforw(lp);
}
ltoa(b, 7, nbytes); /* 6 digit buffer size. */
cp2 = &b[0];
while ((c = *cp2++) != 0)
*cp1++ = c;
*cp1++ = ' '; /* Gap. */
cp2 = &bp->b_bname[0]; /* Buffer name */
while ((c = *cp2++) != 0)
*cp1++ = c;
cp2 = &bp->b_fname[0]; /* File name */
if (*cp2 != 0) {
while (cp1 < &line[3+1+5+1+6+4+NBUFN])
*cp1++ = ' ';
while ((c = *cp2++) != 0) {
if (cp1 < &line[MAXLINE-1])
*cp1++ = c;
}
}
*cp1 = 0; /* Add to the buffer. */
if (addline(line) == FALSE)
return (FALSE);
bp = bp->b_bufp;
}
return (TRUE); /* All done */
*cp1++ = ' '; /* Gap. */
nbytes = 0L; /* Count bytes in buf. */
lp = lforw(bp->b_linep);
while (lp != bp->b_linep) {
nbytes += (long) llength(lp) + 1L;
lp = lforw(lp);
}
ltoa(b, 7, nbytes); /* 6 digit buffer size. */
cp2 = &b[0];
while ((c = *cp2++) != 0)
*cp1++ = c;
*cp1++ = ' '; /* Gap. */
cp2 = &bp->b_bname[0]; /* Buffer name */
while ((c = *cp2++) != 0)
*cp1++ = c;
cp2 = &bp->b_fname[0]; /* File name */
if (*cp2 != 0) {
while (cp1 < &line[3 + 1 + 5 + 1 + 6 + 4 + NBUFN])
*cp1++ = ' ';
while ((c = *cp2++) != 0) {
if (cp1 < &line[MAXLINE - 1])
*cp1++ = c;
}
}
*cp1 = 0; /* Add to the buffer. */
if (addline(line) == FALSE)
return (FALSE);
bp = bp->b_bufp;
}
return (TRUE); /* All done */
}
ltoa(buf, width, num)
char buf[];
int width;
long num;
char buf[];
int width;
long num;
{
buf[width] = 0; /* End of string. */
while (num >= 10) { /* Conditional digits. */
buf[--width] = (int)(num%10L) + '0';
num /= 10L;
}
buf[--width] = (int)num + '0'; /* Always 1 digit. */
while (width != 0) /* Pad with blanks. */
buf[--width] = ' ';
buf[width] = 0; /* End of string. */
while (num >= 10) { /* Conditional digits. */
buf[--width] = (int) (num % 10L) + '0';
num /= 10L;
}
buf[--width] = (int) num + '0'; /* Always 1 digit. */
while (width != 0) /* Pad with blanks. */
buf[--width] = ' ';
}
/*
@ -392,24 +393,24 @@ long num;
* FALSE if you ran out of room.
*/
addline(text)
char *text;
char *text;
{
register LINE *lp;
register int i;
register int ntext;
register LINE *lp;
register int i;
register int ntext;
ntext = strlen(text);
if ((lp=lalloc(ntext)) == NULL)
return (FALSE);
for (i=0; i<ntext; ++i)
lputc(lp, i, text[i]);
blistp->b_linep->l_bp->l_fp = lp; /* Hook onto the end */
lp->l_bp = blistp->b_linep->l_bp;
blistp->b_linep->l_bp = lp;
lp->l_fp = blistp->b_linep;
if (blistp->b_dotp == blistp->b_linep) /* If "." is at the end */
blistp->b_dotp = lp; /* move it to new line */
return (TRUE);
ntext = strlen(text);
if ((lp = lalloc(ntext)) == NULL)
return (FALSE);
for (i = 0; i < ntext; ++i)
lputc(lp, i, text[i]);
blistp->b_linep->l_bp->l_fp = lp; /* Hook onto the end */
lp->l_bp = blistp->b_linep->l_bp;
blistp->b_linep->l_bp = lp;
lp->l_fp = blistp->b_linep;
if (blistp->b_dotp == blistp->b_linep) /* If "." is at the end */
blistp->b_dotp = lp; /* move it to new line */
return (TRUE);
}
/*
@ -424,15 +425,16 @@ char *text;
*/
anycb()
{
register BUFFER *bp;
register BUFFER *bp;
bp = bheadp;
while (bp != NULL) {
if ((bp->b_flag&BFINVS)==0 && (bp->b_flag&BFCHG)!=0)
return (TRUE);
bp = bp->b_bufp;
}
return (FALSE);
bp = bheadp;
while (bp != NULL) {
if ((bp->b_flag & BFINVS) == 0
&& (bp->b_flag & BFCHG) != 0)
return (TRUE);
bp = bp->b_bufp;
}
return (FALSE);
}
/*
@ -442,34 +444,33 @@ anycb()
* and the "cflag" is TRUE, create it. The "bflag" is
* the settings for the flags in in buffer.
*/
BUFFER *
bfind(bname, cflag, bflag)
register char *bname;
BUFFER *bfind(bname, cflag, bflag)
register char *bname;
{
register BUFFER *bp;
register BUFFER *bp;
register BUFFER *sb; /* buffer to insert after */
register LINE *lp;
register LINE *lp;
char *malloc();
bp = bheadp;
while (bp != NULL) {
if (strcmp(bname, bp->b_bname) == 0)
return (bp);
bp = bp->b_bufp;
}
if (cflag != FALSE) {
if ((bp=(BUFFER *)malloc(sizeof(BUFFER))) == NULL)
return (NULL);
if ((lp=lalloc(0)) == NULL) {
free((char *) bp);
return (NULL);
}
bp = bheadp;
while (bp != NULL) {
if (strcmp(bname, bp->b_bname) == 0)
return (bp);
bp = bp->b_bufp;
}
if (cflag != FALSE) {
if ((bp = (BUFFER *) malloc(sizeof(BUFFER))) == NULL)
return (NULL);
if ((lp = lalloc(0)) == NULL) {
free((char *) bp);
return (NULL);
}
/* find the place in the list to insert this buffer */
if (bheadp == NULL || strcmp(bheadp->b_bname, bname) > 0) {
/* insert at the beginning */
bp->b_bufp = bheadp;
bheadp = bp;
} else {
bp->b_bufp = bheadp;
bheadp = bp;
} else {
sb = bheadp;
while (sb->b_bufp != NULL) {
if (strcmp(sb->b_bufp->b_bname, bname) > 0)
@ -478,29 +479,29 @@ register char *bname;
}
/* and insert it */
bp->b_bufp = sb->b_bufp;
sb->b_bufp = bp;
}
bp->b_bufp = sb->b_bufp;
sb->b_bufp = bp;
}
/* and set up the other buffer fields */
bp->b_active = TRUE;
bp->b_dotp = lp;
bp->b_doto = 0;
bp->b_markp = NULL;
bp->b_marko = 0;
bp->b_flag = bflag;
bp->b_mode = gmode;
bp->b_nwnd = 0;
bp->b_linep = lp;
strcpy(bp->b_fname, "");
strcpy(bp->b_bname, bname);
bp->b_dotp = lp;
bp->b_doto = 0;
bp->b_markp = NULL;
bp->b_marko = 0;
bp->b_flag = bflag;
bp->b_mode = gmode;
bp->b_nwnd = 0;
bp->b_linep = lp;
strcpy(bp->b_fname, "");
strcpy(bp->b_bname, bname);
#if CRYPT
bp->b_key[0] = 0;
#endif
lp->l_fp = lp;
lp->l_bp = lp;
}
return (bp);
lp->l_fp = lp;
lp->l_bp = lp;
}
return (bp);
}
/*
@ -516,29 +517,29 @@ register char *bname;
bclear(bp)
register BUFFER *bp;
{
register LINE *lp;
register int s;
register LINE *lp;
register int s;
if ((bp->b_flag&BFINVS) == 0 /* Not scratch buffer. */
&& (bp->b_flag&BFCHG) != 0 /* Something changed */
&& (s=mlyesno("Discard changes")) != TRUE)
return (s);
bp->b_flag &= ~BFCHG; /* Not changed */
while ((lp=lforw(bp->b_linep)) != bp->b_linep)
lfree(lp);
bp->b_dotp = bp->b_linep; /* Fix "." */
bp->b_doto = 0;
bp->b_markp = NULL; /* Invalidate "mark" */
bp->b_marko = 0;
return (TRUE);
if ((bp->b_flag & BFINVS) == 0 /* Not scratch buffer. */
&& (bp->b_flag & BFCHG) != 0 /* Something changed */
&& (s = mlyesno("Discard changes")) != TRUE)
return (s);
bp->b_flag &= ~BFCHG; /* Not changed */
while ((lp = lforw(bp->b_linep)) != bp->b_linep)
lfree(lp);
bp->b_dotp = bp->b_linep; /* Fix "." */
bp->b_doto = 0;
bp->b_markp = NULL; /* Invalidate "mark" */
bp->b_marko = 0;
return (TRUE);
}
unmark(f, n) /* unmark the current buffers change flag */
int f, n; /* unused command arguments */
unmark(f, n)
/* unmark the current buffers change flag */
int f, n; /* unused command arguments */
{
curbp->b_flag &= ~BFCHG;
curwp->w_flag |= WFMODE;
return(TRUE);
return (TRUE);
}

24
crypt.c
View File

@ -13,10 +13,10 @@
static int mod95();
setkey(f, n) /* reset encryption key of current buffer */
int f; /* default flag */
int n; /* numeric argument */
setkey(f, n)
/* reset encryption key of current buffer */
int f; /* default flag */
int n; /* numeric argument */
{
register int status; /* return status */
@ -30,17 +30,17 @@ int n; /* numeric argument */
/* get the string to use as an encrytion string */
status = mlreply("Encryption String: ", key, NPAT - 1);
disinp = odisinp;
if (status != TRUE)
return(status);
if (status != TRUE)
return (status);
/* and encrypt it */
crypt((char *)NULL, 0);
crypt((char *) NULL, 0);
crypt(key, strlen(key));
/* and save it off */
strcpy(curbp->b_key, key);
mlwrite(" "); /* clear it off the bottom line */
return(TRUE);
return (TRUE);
}
/**********
@ -137,8 +137,8 @@ int n; /* numeric argument */
**********/
crypt(bptr, len)
register char *bptr; /* buffer of characters to be encrypted */
register unsigned len; /* number of characters in the buffer */
register char *bptr; /* buffer of characters to be encrypted */
register unsigned len; /* number of characters in the buffer */
{
register int cc; /* current character being considered */
@ -170,7 +170,7 @@ register unsigned len; /* number of characters in the buffer */
so that the left shift here will be more portable and the
mod95() faster **/
cc = mod95((int)(key % 95) - (cc - ' ')) + ' ';
cc = mod95((int) (key % 95) - (cc - ' ')) + ' ';
/** the salt will spice up the key a little bit, helping to obscure
any patterns in the clear text, particularly when all the
@ -202,7 +202,7 @@ register int val;
/* The mathematical MOD does not match the computer MOD */
/* Yes, what I do here may look strange, but it gets the
job done, and portably at that. */
job done, and portably at that. */
while (val >= 9500)
val -= 9500;

1014
display.c
View File

File diff suppressed because it is too large Load Diff

529
ebind.h
View File

@ -11,239 +11,408 @@
* characters of the command. This explains the funny location of the
* control-X commands.
*/
KEYTAB keytab[NBINDS] = {
{CONTROL|'A', gotobol},
{CONTROL|'B', backchar},
{CONTROL|'C', insspace},
{CONTROL|'D', forwdel},
{CONTROL|'E', gotoeol},
{CONTROL|'F', forwchar},
{CONTROL|'G', ctrlg},
{CONTROL|'H', backdel},
{CONTROL|'I', tab},
{CONTROL|'J', indent},
{CONTROL|'K', killtext},
{CONTROL|'L', refresh},
{CONTROL|'M', newline},
{CONTROL|'N', forwline},
{CONTROL|'O', openline},
{CONTROL|'P', backline},
{CONTROL|'Q', quote},
{CONTROL|'R', backsearch},
{CONTROL|'S', forwsearch},
{CONTROL|'T', twiddle},
{CONTROL|'U', unarg},
{CONTROL|'V', forwpage},
{CONTROL|'W', killregion},
{CONTROL|'X', cex},
{CONTROL|'Y', yank},
{CONTROL|'Z', backpage},
{CONTROL|']', meta},
{CTLX|CONTROL|'B', listbuffers},
{CTLX|CONTROL|'C', quit}, /* Hard quit. */
KEYTAB keytab[NBINDS] = {
{CONTROL | 'A', gotobol}
,
{CONTROL | 'B', backchar}
,
{CONTROL | 'C', insspace}
,
{CONTROL | 'D', forwdel}
,
{CONTROL | 'E', gotoeol}
,
{CONTROL | 'F', forwchar}
,
{CONTROL | 'G', ctrlg}
,
{CONTROL | 'H', backdel}
,
{CONTROL | 'I', tab}
,
{CONTROL | 'J', indent}
,
{CONTROL | 'K', killtext}
,
{CONTROL | 'L', refresh}
,
{CONTROL | 'M', newline}
,
{CONTROL | 'N', forwline}
,
{CONTROL | 'O', openline}
,
{CONTROL | 'P', backline}
,
{CONTROL | 'Q', quote}
,
{CONTROL | 'R', backsearch}
,
{CONTROL | 'S', forwsearch}
,
{CONTROL | 'T', twiddle}
,
{CONTROL | 'U', unarg}
,
{CONTROL | 'V', forwpage}
,
{CONTROL | 'W', killregion}
,
{CONTROL | 'X', cex}
,
{CONTROL | 'Y', yank}
,
{CONTROL | 'Z', backpage}
,
{CONTROL | ']', meta}
,
{CTLX | CONTROL | 'B', listbuffers}
,
{CTLX | CONTROL | 'C', quit}
, /* Hard quit. */
#if PKCODE & AEDIT
{CTLX|CONTROL|'A', detab},
{CTLX | CONTROL | 'A', detab}
,
#endif
#if PKCODE
{CTLX|CONTROL|'D', filesave}, /* alternative */
{CTLX | CONTROL | 'D', filesave}
, /* alternative */
#else
#if AEDIT
{CTLX|CONTROL|'D', detab},
{CTLX | CONTROL | 'D', detab}
,
#endif
#endif
#if AEDIT
{CTLX|CONTROL|'E', entab},
{CTLX | CONTROL | 'E', entab}
,
#endif
{CTLX|CONTROL|'F', filefind},
{CTLX|CONTROL|'I', insfile},
{CTLX|CONTROL|'L', lowerregion},
{CTLX|CONTROL|'M', delmode},
{CTLX|CONTROL|'N', mvdnwind},
{CTLX|CONTROL|'O', deblank},
{CTLX|CONTROL|'P', mvupwind},
{CTLX|CONTROL|'R', fileread},
{CTLX|CONTROL|'S', filesave},
{CTLX | CONTROL | 'F', filefind}
,
{CTLX | CONTROL | 'I', insfile}
,
{CTLX | CONTROL | 'L', lowerregion}
,
{CTLX | CONTROL | 'M', delmode}
,
{CTLX | CONTROL | 'N', mvdnwind}
,
{CTLX | CONTROL | 'O', deblank}
,
{CTLX | CONTROL | 'P', mvupwind}
,
{CTLX | CONTROL | 'R', fileread}
,
{CTLX | CONTROL | 'S', filesave}
,
#if AEDIT
{CTLX|CONTROL|'T', trim},
{CTLX | CONTROL | 'T', trim}
,
#endif
{CTLX|CONTROL|'U', upperregion},
{CTLX|CONTROL|'V', viewfile},
{CTLX|CONTROL|'W', filewrite},
{CTLX|CONTROL|'X', swapmark},
{CTLX|CONTROL|'Z', shrinkwind},
{CTLX|'?', deskey},
{CTLX|'!', spawn},
{CTLX|'@', pipecmd},
{CTLX|'#', filter},
{CTLX|'$', execprg},
{CTLX|'=', showcpos},
{CTLX|'(', ctlxlp},
{CTLX|')', ctlxrp},
{CTLX|'^', enlargewind},
{CTLX|'0', delwind},
{CTLX|'1', onlywind},
{CTLX|'2', splitwind},
{CTLX|'A', setvar},
{CTLX|'B', usebuffer},
{CTLX|'C', spawncli},
{CTLX | CONTROL | 'U', upperregion}
,
{CTLX | CONTROL | 'V', viewfile}
,
{CTLX | CONTROL | 'W', filewrite}
,
{CTLX | CONTROL | 'X', swapmark}
,
{CTLX | CONTROL | 'Z', shrinkwind}
,
{CTLX | '?', deskey}
,
{CTLX | '!', spawn}
,
{CTLX | '@', pipecmd}
,
{CTLX | '#', filter}
,
{CTLX | '$', execprg}
,
{CTLX | '=', showcpos}
,
{CTLX | '(', ctlxlp}
,
{CTLX | ')', ctlxrp}
,
{CTLX | '^', enlargewind}
,
{CTLX | '0', delwind}
,
{CTLX | '1', onlywind}
,
{CTLX | '2', splitwind}
,
{CTLX | 'A', setvar}
,
{CTLX | 'B', usebuffer}
,
{CTLX | 'C', spawncli}
,
#if BSD | __hpux | SVR4
{CTLX|'D', bktoshell},
{CTLX | 'D', bktoshell}
,
#endif
{CTLX|'E', ctlxe},
{CTLX|'F', setfillcol},
{CTLX|'K', killbuffer},
{CTLX|'M', setmode},
{CTLX|'N', filename},
{CTLX|'O', nextwind},
{CTLX|'P', prevwind},
{CTLX | 'E', ctlxe}
,
{CTLX | 'F', setfillcol}
,
{CTLX | 'K', killbuffer}
,
{CTLX | 'M', setmode}
,
{CTLX | 'N', filename}
,
{CTLX | 'O', nextwind}
,
{CTLX | 'P', prevwind}
,
#if PKCODE
{CTLX|'Q', quote}, /* alternative */
{CTLX | 'Q', quote}
, /* alternative */
#endif
#if ISRCH
{CTLX|'R', risearch},
{CTLX|'S', fisearch},
{CTLX | 'R', risearch}
,
{CTLX | 'S', fisearch}
,
#endif
{CTLX|'W', resize},
{CTLX|'X', nextbuffer},
{CTLX|'Z', enlargewind},
{CTLX | 'W', resize}
,
{CTLX | 'X', nextbuffer}
,
{CTLX | 'Z', enlargewind}
,
#if WORDPRO
{META|CONTROL|'C', wordcount},
{META | CONTROL | 'C', wordcount}
,
#endif
#if PKCODE
{META|CONTROL|'D', newsize},
{META | CONTROL | 'D', newsize}
,
#endif
#if PROC
{META|CONTROL|'E', execproc},
{META | CONTROL | 'E', execproc}
,
#endif
#if CFENCE
{META|CONTROL|'F', getfence},
{META | CONTROL | 'F', getfence}
,
#endif
{META|CONTROL|'H', delbword},
{META|CONTROL|'K', unbindkey},
{META|CONTROL|'L', reposition},
{META|CONTROL|'M', delgmode},
{META|CONTROL|'N', namebuffer},
{META|CONTROL|'R', qreplace},
{META|CONTROL|'S', newsize},
{META|CONTROL|'T', newwidth},
{META|CONTROL|'V', scrnextdw},
{META | CONTROL | 'H', delbword}
,
{META | CONTROL | 'K', unbindkey}
,
{META | CONTROL | 'L', reposition}
,
{META | CONTROL | 'M', delgmode}
,
{META | CONTROL | 'N', namebuffer}
,
{META | CONTROL | 'R', qreplace}
,
{META | CONTROL | 'S', newsize}
,
{META | CONTROL | 'T', newwidth}
,
{META | CONTROL | 'V', scrnextdw}
,
#if WORDPRO
{META|CONTROL|'W', killpara},
{META | CONTROL | 'W', killpara}
,
#endif
{META|CONTROL|'Z', scrnextup},
{META|' ', setmark},
{META|'?', help},
{META|'!', reposition},
{META|'.', setmark},
{META|'>', gotoeob},
{META|'<', gotobob},
{META|'~', unmark},
{META | CONTROL | 'Z', scrnextup}
,
{META | ' ', setmark}
,
{META | '?', help}
,
{META | '!', reposition}
,
{META | '.', setmark}
,
{META | '>', gotoeob}
,
{META | '<', gotobob}
,
{META | '~', unmark}
,
#if APROP
{META|'A', apro},
{META | 'A', apro}
,
#endif
{META|'B', backword},
{META|'C', capword},
{META|'D', delfword},
{META | 'B', backword}
,
{META | 'C', capword}
,
{META | 'D', delfword}
,
#if CRYPT
{META|'E', setkey},
{META | 'E', setkey}
,
#endif
{META|'F', forwword},
{META|'G', gotoline},
{META | 'F', forwword}
,
{META | 'G', gotoline}
,
#if PKCODE
#if WORDPRO
{META|'J', justpara},
{META | 'J', justpara}
,
#endif
#endif
{META|'K', bindtokey},
{META|'L', lowerword},
{META|'M', setgmode},
{META | 'K', bindtokey}
,
{META | 'L', lowerword}
,
{META | 'M', setgmode}
,
#if WORDPRO
{META|'N', gotoeop},
{META|'P', gotobop},
{META|'Q', fillpara},
{META | 'N', gotoeop}
,
{META | 'P', gotobop}
,
{META | 'Q', fillpara}
,
#endif
{META|'R', sreplace},
{META | 'R', sreplace}
,
#if PKCODE
{META|'S', forwsearch}, /* alternative P.K. */
{META | 'S', forwsearch}
, /* alternative P.K. */
#else
#if BSD
{META|'S', bktoshell},
{META | 'S', bktoshell}
,
#endif
#endif
{META|'U', upperword},
{META|'V', backpage},
{META|'W', copyregion},
{META|'X', namedcmd},
{META|'Z', quickexit},
{META|0x7F, delbword},
{META | 'U', upperword}
,
{META | 'V', backpage}
,
{META | 'W', copyregion}
,
{META | 'X', namedcmd}
,
{META | 'Z', quickexit}
,
{META | 0x7F, delbword}
,
#if MSDOS
{SPEC|CONTROL|'_', forwhunt},
{SPEC|CONTROL|'S', backhunt},
{SPEC|71, gotobol},
{SPEC|72, backline},
{SPEC|73, backpage},
{SPEC|75, backchar},
{SPEC|77, forwchar},
{SPEC|79, gotoeol},
{SPEC|80, forwline},
{SPEC|81, forwpage},
{SPEC|82, insspace},
{SPEC|83, forwdel},
{SPEC|115, backword},
{SPEC|116, forwword},
{SPEC | CONTROL | '_', forwhunt}
,
{SPEC | CONTROL | 'S', backhunt}
,
{SPEC | 71, gotobol}
,
{SPEC | 72, backline}
,
{SPEC | 73, backpage}
,
{SPEC | 75, backchar}
,
{SPEC | 77, forwchar}
,
{SPEC | 79, gotoeol}
,
{SPEC | 80, forwline}
,
{SPEC | 81, forwpage}
,
{SPEC | 82, insspace}
,
{SPEC | 83, forwdel}
,
{SPEC | 115, backword}
,
{SPEC | 116, forwword}
,
#if WORDPRO
{SPEC|132, gotobop},
{SPEC|118, gotoeop},
{SPEC | 132, gotobop}
,
{SPEC | 118, gotoeop}
,
#endif
{SPEC|84, cbuf1},
{SPEC|85, cbuf2},
{SPEC|86, cbuf3},
{SPEC|87, cbuf4},
{SPEC|88, cbuf5},
{SPEC|89, cbuf6},
{SPEC|90, cbuf7},
{SPEC|91, cbuf8},
{SPEC|92, cbuf9},
{SPEC|93, cbuf10},
{SPEC | 84, cbuf1}
,
{SPEC | 85, cbuf2}
,
{SPEC | 86, cbuf3}
,
{SPEC | 87, cbuf4}
,
{SPEC | 88, cbuf5}
,
{SPEC | 89, cbuf6}
,
{SPEC | 90, cbuf7}
,
{SPEC | 91, cbuf8}
,
{SPEC | 92, cbuf9}
,
{SPEC | 93, cbuf10}
,
#if PKCODE
{SPEC|117, gotoeob},
{SPEC|119, gotobob},
{SPEC|141, gotobop},
{SPEC|145, gotoeop},
{SPEC|146, yank},
{SPEC|147, killregion},
{SPEC | 117, gotoeob}
,
{SPEC | 119, gotobob}
,
{SPEC | 141, gotobop}
,
{SPEC | 145, gotoeop}
,
{SPEC | 146, yank}
,
{SPEC | 147, killregion}
,
#endif
#endif
#if VT220
{SPEC|'1', fisearch}, /* VT220 keys */
{SPEC|'2', yank},
{SPEC|'3', killregion},
{SPEC|'4', setmark},
{SPEC|'5', backpage},
{SPEC|'6', forwpage},
{SPEC|'A', backline},
{SPEC|'B', forwline},
{SPEC|'C', forwchar},
{SPEC|'D', backchar},
{SPEC|'c', meta},
{SPEC|'d', backchar},
{SPEC|'e', forwline},
{SPEC|'f', gotobob},
{SPEC|'h', help},
{SPEC|'i', cex},
{SPEC | '1', fisearch}
, /* VT220 keys */
{SPEC | '2', yank}
,
{SPEC | '3', killregion}
,
{SPEC | '4', setmark}
,
{SPEC | '5', backpage}
,
{SPEC | '6', forwpage}
,
{SPEC | 'A', backline}
,
{SPEC | 'B', forwline}
,
{SPEC | 'C', forwchar}
,
{SPEC | 'D', backchar}
,
{SPEC | 'c', meta}
,
{SPEC | 'd', backchar}
,
{SPEC | 'e', forwline}
,
{SPEC | 'f', gotobob}
,
{SPEC | 'h', help}
,
{SPEC | 'i', cex}
,
#endif
{0x7F, backdel},
{0x7F, backdel}
,
/* special internal bindings */
SPEC|META|'W', wrapword, /* called on word wrap */
SPEC|META|'C', nullproc, /* every command input */
SPEC|META|'R', nullproc, /* on file read */
SPEC|META|'X', nullproc, /* on window change P.K. */
SPEC | META | 'W', wrapword, /* called on word wrap */
SPEC | META | 'C', nullproc, /* every command input */
SPEC | META | 'R', nullproc, /* on file read */
SPEC | META | 'X', nullproc, /* on window change P.K. */
{0, NULL}
{0, NULL}
};

386
edef.h
View File

@ -36,114 +36,116 @@ unsigned int stock();
/* initialized global definitions */
int fillcol = 72; /* Current fill column */
short kbdm[NKBDM]; /* Macro */
char *execstr = NULL; /* pointer to string to execute */
char golabel[NPAT] = ""; /* current line to go to */
int execlevel = 0; /* execution IF level */
int eolexist = TRUE; /* does clear to EOL exist */
int revexist = FALSE; /* does reverse video exist? */
int flickcode = FALSE; /* do flicker supression? */
char *modename[] = { /* name of modes */
int fillcol = 72; /* Current fill column */
short kbdm[NKBDM]; /* Macro */
char *execstr = NULL; /* pointer to string to execute */
char golabel[NPAT] = ""; /* current line to go to */
int execlevel = 0; /* execution IF level */
int eolexist = TRUE; /* does clear to EOL exist */
int revexist = FALSE; /* does reverse video exist? */
int flickcode = FALSE; /* do flicker supression? */
char *modename[] = { /* name of modes */
"WRAP", "CMODE", "SPELL", "EXACT", "VIEW", "OVER",
"MAGIC", "CRYPT", "ASAVE"};
char *mode2name[] = { /* name of modes */
"MAGIC", "CRYPT", "ASAVE"
};
char *mode2name[] = { /* name of modes */
"Wrap", "Cmode", "Spell", "Exact", "View", "Over",
"Magic", "Crypt", "Asave"};
char modecode[] = "WCSEVOMYA"; /* letters to represent modes */
int gmode = 0; /* global editor mode */
int gflags = GFREAD; /* global control flag */
"Magic", "Crypt", "Asave"
};
char modecode[] = "WCSEVOMYA"; /* letters to represent modes */
int gmode = 0; /* global editor mode */
int gflags = GFREAD; /* global control flag */
#if PKCODE & IBMPC
int gfcolor = 8; /* global forgrnd color (white) */
int gfcolor = 8; /* global forgrnd color (white) */
#else
int gfcolor = 7; /* global forgrnd color (white) */
int gfcolor = 7; /* global forgrnd color (white) */
#endif
int gbcolor = 0; /* global backgrnd color (black)*/
int gasave = 256; /* global ASAVE size */
int gacount = 256; /* count until next ASAVE */
int sgarbf = TRUE; /* TRUE if screen is garbage */
int mpresf = FALSE; /* TRUE if message in last line */
int clexec = FALSE; /* command line execution flag */
int mstore = FALSE; /* storing text to macro flag */
int discmd = TRUE; /* display command flag */
int disinp = TRUE; /* display input characters */
struct BUFFER *bstore = NULL; /* buffer to store macro text to*/
int vtrow = 0; /* Row location of SW cursor */
int vtcol = 0; /* Column location of SW cursor */
int ttrow = HUGE; /* Row location of HW cursor */
int ttcol = HUGE; /* Column location of HW cursor */
int lbound = 0; /* leftmost column of current line
being displayed */
int taboff = 0; /* tab offset for display */
int metac = CONTROL | '['; /* current meta character */
int ctlxc = CONTROL | 'X'; /* current control X prefix char */
int reptc = CONTROL | 'U'; /* current universal repeat char */
int abortc = CONTROL | 'G'; /* current abort command char */
int gbcolor = 0; /* global backgrnd color (black) */
int gasave = 256; /* global ASAVE size */
int gacount = 256; /* count until next ASAVE */
int sgarbf = TRUE; /* TRUE if screen is garbage */
int mpresf = FALSE; /* TRUE if message in last line */
int clexec = FALSE; /* command line execution flag */
int mstore = FALSE; /* storing text to macro flag */
int discmd = TRUE; /* display command flag */
int disinp = TRUE; /* display input characters */
struct BUFFER *bstore = NULL; /* buffer to store macro text to */
int vtrow = 0; /* Row location of SW cursor */
int vtcol = 0; /* Column location of SW cursor */
int ttrow = HUGE; /* Row location of HW cursor */
int ttcol = HUGE; /* Column location of HW cursor */
int lbound = 0; /* leftmost column of current line
being displayed */
int taboff = 0; /* tab offset for display */
int metac = CONTROL | '['; /* current meta character */
int ctlxc = CONTROL | 'X'; /* current control X prefix char */
int reptc = CONTROL | 'U'; /* current universal repeat char */
int abortc = CONTROL | 'G'; /* current abort command char */
int quotec = 0x11; /* quote char during mlreply() */
int tabmask = 0x07; /* tabulator mask */
char *cname[] = { /* names of colors */
int quotec = 0x11; /* quote char during mlreply() */
int tabmask = 0x07; /* tabulator mask */
char *cname[] = { /* names of colors */
"BLACK", "RED", "GREEN", "YELLOW", "BLUE",
"MAGENTA", "CYAN", "WHITE"
#if PKCODE & IBMPC
,"HIGH"
, "HIGH"
#endif
};
KILL *kbufp = NULL; /* current kill buffer chunk pointer */
KILL *kbufh = NULL; /* kill buffer header pointer */
int kused = KBLOCK; /* # of bytes used in kill buffer */
WINDOW *swindow = NULL; /* saved window pointer */
int cryptflag = FALSE; /* currently encrypting? */
short *kbdptr; /* current position in keyboard buf */
short *kbdend = &kbdm[0]; /* ptr to end of the keyboard */
int kbdmode = STOP; /* current keyboard macro mode */
int kbdrep = 0; /* number of repetitions */
int restflag = FALSE; /* restricted use? */
int lastkey = 0; /* last keystoke */
int seed = 0; /* random number seed */
long envram = 0l; /* # of bytes current in use by malloc */
int macbug = FALSE; /* macro debuging flag */
char errorm[] = "ERROR"; /* error literal */
char truem[] = "TRUE"; /* true literal */
char falsem[] = "FALSE"; /* false litereal */
int cmdstatus = TRUE; /* last command status */
char palstr[49] = ""; /* palette string */
int saveflag = 0; /* Flags, saved with the $target var */
char *fline = NULL; /* dynamic return line */
int flen = 0; /* current length of fline */
int rval = 0; /* return value of a subprocess */
};
KILL *kbufp = NULL; /* current kill buffer chunk pointer */
KILL *kbufh = NULL; /* kill buffer header pointer */
int kused = KBLOCK; /* # of bytes used in kill buffer */
WINDOW *swindow = NULL; /* saved window pointer */
int cryptflag = FALSE; /* currently encrypting? */
short *kbdptr; /* current position in keyboard buf */
short *kbdend = &kbdm[0]; /* ptr to end of the keyboard */
int kbdmode = STOP; /* current keyboard macro mode */
int kbdrep = 0; /* number of repetitions */
int restflag = FALSE; /* restricted use? */
int lastkey = 0; /* last keystoke */
int seed = 0; /* random number seed */
long envram = 0l; /* # of bytes current in use by malloc */
int macbug = FALSE; /* macro debuging flag */
char errorm[] = "ERROR"; /* error literal */
char truem[] = "TRUE"; /* true literal */
char falsem[] = "FALSE"; /* false litereal */
int cmdstatus = TRUE; /* last command status */
char palstr[49] = ""; /* palette string */
int saveflag = 0; /* Flags, saved with the $target var */
char *fline = NULL; /* dynamic return line */
int flen = 0; /* current length of fline */
int rval = 0; /* return value of a subprocess */
#if CALLED
int eexitflag = FALSE; /* EMACS exit flag */
int eexitval = 0; /* and the exit return value */
int eexitflag = FALSE; /* EMACS exit flag */
int eexitval = 0; /* and the exit return value */
#endif
#if PKCODE
int nullflag = FALSE; /* accept null characters */
int justflag = FALSE; /* justify, don't fill */
int nullflag = FALSE; /* accept null characters */
int justflag = FALSE; /* justify, don't fill */
#endif
int overlap = 0; /* line overlap in forw/back page */
int scrollcount = 1; /* number of lines to scroll */
int overlap = 0; /* line overlap in forw/back page */
int scrollcount = 1; /* number of lines to scroll */
/* uninitialized global definitions */
int currow; /* Cursor row */
int curcol; /* Cursor column */
int thisflag; /* Flags, this command */
int lastflag; /* Flags, last command */
int curgoal; /* Goal for C-P, C-N */
WINDOW *curwp; /* Current window */
BUFFER *curbp; /* Current buffer */
WINDOW *wheadp; /* Head of list of windows */
BUFFER *bheadp; /* Head of list of buffers */
BUFFER *blistp; /* Buffer for C-X C-B */
int currow; /* Cursor row */
int curcol; /* Cursor column */
int thisflag; /* Flags, this command */
int lastflag; /* Flags, last command */
int curgoal; /* Goal for C-P, C-N */
WINDOW *curwp; /* Current window */
BUFFER *curbp; /* Current buffer */
WINDOW *wheadp; /* Head of list of windows */
BUFFER *bheadp; /* Head of list of buffers */
BUFFER *blistp; /* Buffer for C-X C-B */
BUFFER *bfind(); /* Lookup a buffer by name */
WINDOW *wpopup(); /* Pop up window creation */
LINE *lalloc(); /* Allocate a line */
char sres[NBUFN]; /* current screen resolution */
BUFFER *bfind(); /* Lookup a buffer by name */
WINDOW *wpopup(); /* Pop up window creation */
LINE *lalloc(); /* Allocate a line */
char sres[NBUFN]; /* current screen resolution */
char pat[NPAT]; /* Search pattern */
char tap[NPAT]; /* Reversed pattern array. */
char rpat[NPAT]; /* replacement pattern */
char pat[NPAT]; /* Search pattern */
char tap[NPAT]; /* Reversed pattern array. */
char rpat[NPAT]; /* replacement pattern */
/* The variable matchlen holds the length of the matched
* string - used by the replace functions.
@ -152,11 +154,11 @@ char rpat[NPAT]; /* replacement pattern */
* The variables matchline and matchoff hold the line and
* offset position of the *start* of match.
*/
unsigned int matchlen = 0;
unsigned int mlenold = 0;
char *patmatch = NULL;
LINE *matchline = NULL;
int matchoff = 0;
unsigned int matchlen = 0;
unsigned int mlenold = 0;
char *patmatch = NULL;
LINE *matchline = NULL;
int matchoff = 0;
#if MAGIC
/*
@ -165,11 +167,11 @@ int matchoff = 0;
* if not, then we don't have to use the slower MAGIC mode
* search functions.
*/
short int magical = FALSE;
short int rmagical = FALSE;
MC mcpat[NPAT]; /* the magic pattern */
MC tapcm[NPAT]; /* the reversed magic pattern */
RMC rmcpat[NPAT]; /* the replacement magic array */
short int magical = FALSE;
short int rmagical = FALSE;
MC mcpat[NPAT]; /* the magic pattern */
MC tapcm[NPAT]; /* the reversed magic pattern */
RMC rmcpat[NPAT]; /* the replacement magic array */
#endif
@ -194,102 +196,102 @@ char outline[NSTRING]; /* global string to hold debug line text */
/* initialized global external declarations */
extern int fillcol; /* Fill column */
extern short kbdm[]; /* Holds kayboard macro data */
extern char pat[]; /* Search pattern */
extern char rpat[]; /* Replacement pattern */
extern char *execstr; /* pointer to string to execute */
extern char golabel[]; /* current line to go to */
extern int execlevel; /* execution IF level */
extern int eolexist; /* does clear to EOL exist? */
extern int revexist; /* does reverse video exist? */
extern int flickcode; /* do flicker supression? */
extern char *modename[]; /* text names of modes */
extern char *mode2name[]; /* text names of modes */
extern char modecode[]; /* letters to represent modes */
extern KEYTAB keytab[]; /* key bind to functions table */
extern NBIND names[]; /* name to function table */
extern int gmode; /* global editor mode */
extern int gflags; /* global control flag */
extern int gfcolor; /* global forgrnd color (white) */
extern int gbcolor; /* global backgrnd color (black)*/
extern int gasave; /* global ASAVE size */
extern int gacount; /* count until next ASAVE */
extern int sgarbf; /* State of screen unknown */
extern int mpresf; /* Stuff in message line */
extern int clexec; /* command line execution flag */
extern int mstore; /* storing text to macro flag */
extern int discmd; /* display command flag */
extern int disinp; /* display input characters */
extern struct BUFFER *bstore; /* buffer to store macro text to*/
extern int vtrow; /* Row location of SW cursor */
extern int vtcol; /* Column location of SW cursor */
extern int ttrow; /* Row location of HW cursor */
extern int ttcol; /* Column location of HW cursor */
extern int lbound; /* leftmost column of current line
being displayed */
extern int taboff; /* tab offset for display */
extern int metac; /* current meta character */
extern int ctlxc; /* current control X prefix char */
extern int reptc; /* current universal repeat char */
extern int abortc; /* current abort command char */
extern int fillcol; /* Fill column */
extern short kbdm[]; /* Holds kayboard macro data */
extern char pat[]; /* Search pattern */
extern char rpat[]; /* Replacement pattern */
extern char *execstr; /* pointer to string to execute */
extern char golabel[]; /* current line to go to */
extern int execlevel; /* execution IF level */
extern int eolexist; /* does clear to EOL exist? */
extern int revexist; /* does reverse video exist? */
extern int flickcode; /* do flicker supression? */
extern char *modename[]; /* text names of modes */
extern char *mode2name[]; /* text names of modes */
extern char modecode[]; /* letters to represent modes */
extern KEYTAB keytab[]; /* key bind to functions table */
extern NBIND names[]; /* name to function table */
extern int gmode; /* global editor mode */
extern int gflags; /* global control flag */
extern int gfcolor; /* global forgrnd color (white) */
extern int gbcolor; /* global backgrnd color (black) */
extern int gasave; /* global ASAVE size */
extern int gacount; /* count until next ASAVE */
extern int sgarbf; /* State of screen unknown */
extern int mpresf; /* Stuff in message line */
extern int clexec; /* command line execution flag */
extern int mstore; /* storing text to macro flag */
extern int discmd; /* display command flag */
extern int disinp; /* display input characters */
extern struct BUFFER *bstore; /* buffer to store macro text to */
extern int vtrow; /* Row location of SW cursor */
extern int vtcol; /* Column location of SW cursor */
extern int ttrow; /* Row location of HW cursor */
extern int ttcol; /* Column location of HW cursor */
extern int lbound; /* leftmost column of current line
being displayed */
extern int taboff; /* tab offset for display */
extern int metac; /* current meta character */
extern int ctlxc; /* current control X prefix char */
extern int reptc; /* current universal repeat char */
extern int abortc; /* current abort command char */
extern int quotec; /* quote char during mlreply() */
extern int tabmask;
extern char *cname[]; /* names of colors */
extern KILL *kbufp; /* current kill buffer chunk pointer */
extern KILL *kbufh; /* kill buffer header pointer */
extern int kused; /* # of bytes used in KB */
extern WINDOW *swindow; /* saved window pointer */
extern int cryptflag; /* currently encrypting? */
extern short *kbdptr; /* current position in keyboard buf */
extern short *kbdend; /* ptr to end of the keyboard */
extern int kbdmode; /* current keyboard macro mode */
extern int kbdrep; /* number of repetitions */
extern int restflag; /* restricted use? */
extern int lastkey; /* last keystoke */
extern int seed; /* random number seed */
extern long envram; /* # of bytes current in use by malloc */
extern int macbug; /* macro debuging flag */
extern char errorm[]; /* error literal */
extern char truem[]; /* true literal */
extern char falsem[]; /* false litereal */
extern int cmdstatus; /* last command status */
extern char palstr[]; /* palette string */
extern int saveflag; /* Flags, saved with the $target var */
extern char *fline; /* dynamic return line */
extern int flen; /* current length of fline */
extern int rval; /* return value of a subprocess */
extern int quotec; /* quote char during mlreply() */
extern int tabmask;
extern char *cname[]; /* names of colors */
extern KILL *kbufp; /* current kill buffer chunk pointer */
extern KILL *kbufh; /* kill buffer header pointer */
extern int kused; /* # of bytes used in KB */
extern WINDOW *swindow; /* saved window pointer */
extern int cryptflag; /* currently encrypting? */
extern short *kbdptr; /* current position in keyboard buf */
extern short *kbdend; /* ptr to end of the keyboard */
extern int kbdmode; /* current keyboard macro mode */
extern int kbdrep; /* number of repetitions */
extern int restflag; /* restricted use? */
extern int lastkey; /* last keystoke */
extern int seed; /* random number seed */
extern long envram; /* # of bytes current in use by malloc */
extern int macbug; /* macro debuging flag */
extern char errorm[]; /* error literal */
extern char truem[]; /* true literal */
extern char falsem[]; /* false litereal */
extern int cmdstatus; /* last command status */
extern char palstr[]; /* palette string */
extern int saveflag; /* Flags, saved with the $target var */
extern char *fline; /* dynamic return line */
extern int flen; /* current length of fline */
extern int rval; /* return value of a subprocess */
#if CALLED
extern int eexitflag; /* EMACS exit flag */
extern int eexitval; /* and the exit return value */
extern int eexitflag; /* EMACS exit flag */
extern int eexitval; /* and the exit return value */
#endif
#if PKCODE
extern int justflag; /* justify, don't fill */
extern int justflag; /* justify, don't fill */
#endif
extern int overlap; /* line overlap in forw/back page */
extern int scrollcount; /* number of lines to scroll */
extern int overlap; /* line overlap in forw/back page */
extern int scrollcount; /* number of lines to scroll */
/* uninitialized global external declarations */
extern int currow; /* Cursor row */
extern int curcol; /* Cursor column */
extern int thisflag; /* Flags, this command */
extern int lastflag; /* Flags, last command */
extern int curgoal; /* Goal for C-P, C-N */
extern WINDOW *curwp; /* Current window */
extern BUFFER *curbp; /* Current buffer */
extern WINDOW *wheadp; /* Head of list of windows */
extern BUFFER *bheadp; /* Head of list of buffers */
extern BUFFER *blistp; /* Buffer for C-X C-B */
extern int currow; /* Cursor row */
extern int curcol; /* Cursor column */
extern int thisflag; /* Flags, this command */
extern int lastflag; /* Flags, last command */
extern int curgoal; /* Goal for C-P, C-N */
extern WINDOW *curwp; /* Current window */
extern BUFFER *curbp; /* Current buffer */
extern WINDOW *wheadp; /* Head of list of windows */
extern BUFFER *bheadp; /* Head of list of buffers */
extern BUFFER *blistp; /* Buffer for C-X C-B */
extern BUFFER *bfind(); /* Lookup a buffer by name */
extern WINDOW *wpopup(); /* Pop up window creation */
extern LINE *lalloc(); /* Allocate a line */
extern char sres[NBUFN]; /* current screen resolution */
extern char pat[]; /* Search pattern */
extern char tap[]; /* Reversed pattern array. */
extern char rpat[]; /* replacement pattern */
extern BUFFER *bfind(); /* Lookup a buffer by name */
extern WINDOW *wpopup(); /* Pop up window creation */
extern LINE *lalloc(); /* Allocate a line */
extern char sres[NBUFN]; /* current screen resolution */
extern char pat[]; /* Search pattern */
extern char tap[]; /* Reversed pattern array. */
extern char rpat[]; /* replacement pattern */
extern unsigned int matchlen;
extern unsigned int mlenold;
@ -300,12 +302,12 @@ extern int matchoff;
#if MAGIC
extern short int magical;
extern short int rmagical;
extern MC mcpat[NPAT]; /* the magic pattern */
extern MC tapcm[NPAT]; /* the reversed magic pattern */
extern RMC rmcpat[NPAT]; /* the replacement magic array */
extern MC mcpat[NPAT]; /* the magic pattern */
extern MC tapcm[NPAT]; /* the reversed magic pattern */
extern RMC rmcpat[NPAT]; /* the replacement magic array */
#endif
extern char *dname[]; /* directive name table */
extern char *dname[]; /* directive name table */
#if DEBUGM
/* vars needed for macro debugging output */
@ -317,7 +319,5 @@ extern char outline[]; /* global string to hold debug line text */
/* terminal table defined only in TERM.C */
#ifndef termdef
extern TERM term; /* Terminal information. */
extern TERM term; /* Terminal information. */
#endif

688
efunc.h
View File

@ -12,203 +12,203 @@
/* External function declarations */
extern int ctrlg(); /* Abort out of things */
extern int quit(); /* Quit */
extern int ctlxlp(); /* Begin macro */
extern int ctlxrp(); /* End macro */
extern int ctlxe(); /* Execute macro */
extern int fileread(); /* Get a file, read only */
extern int filefind(); /* Get a file, read write */
extern int filewrite(); /* Write a file */
extern int filesave(); /* Save current file */
extern int filename(); /* Adjust file name */
extern int getccol(); /* Get current column */
extern int gotobol(); /* Move to start of line */
extern int forwchar(); /* Move forward by characters */
extern int gotoeol(); /* Move to end of line */
extern int backchar(); /* Move backward by characters */
extern int forwline(); /* Move forward by lines */
extern int backline(); /* Move backward by lines */
extern int forwpage(); /* Move forward by pages */
extern int backpage(); /* Move backward by pages */
extern int gotobob(); /* Move to start of buffer */
extern int gotoeob(); /* Move to end of buffer */
extern int setfillcol(); /* Set fill column. */
extern int setmark(); /* Set mark */
extern int swapmark(); /* Swap "." and mark */
extern int forwsearch(); /* Search forward */
extern int backsearch(); /* Search backwards */
extern int sreplace(); /* search and replace */
extern int qreplace(); /* search and replace w/query */
extern int showcpos(); /* Show the cursor position */
extern int nextwind(); /* Move to the next window */
extern int prevwind(); /* Move to the previous window */
extern int onlywind(); /* Make current window only one */
extern int splitwind(); /* Split current window */
extern int mvdnwind(); /* Move window down */
extern int mvupwind(); /* Move window up */
extern int enlargewind(); /* Enlarge display window. */
extern int shrinkwind(); /* Shrink window. */
extern int listbuffers(); /* Display list of buffers */
extern int usebuffer(); /* Switch a window to a buffer */
extern int killbuffer(); /* Make a buffer go away. */
extern int reposition(); /* Reposition window */
extern int refresh(); /* Refresh the screen */
extern int twiddle(); /* Twiddle characters */
extern int tab(); /* Insert tab */
extern int newline(); /* Insert CR-LF */
extern int indent(); /* Insert CR-LF, then indent */
extern int openline(); /* Open up a blank line */
extern int deblank(); /* Delete blank lines */
extern int quote(); /* Insert literal */
extern int backword(); /* Backup by words */
extern int forwword(); /* Advance by words */
extern int forwdel(); /* Forward delete */
extern int backdel(); /* Backward delete */
extern int killtext(); /* Kill forward */
extern int yank(); /* Yank back from killbuffer. */
extern int upperword(); /* Upper case word. */
extern int lowerword(); /* Lower case word. */
extern int upperregion(); /* Upper case region. */
extern int lowerregion(); /* Lower case region. */
extern int capword(); /* Initial capitalize word. */
extern int delfword(); /* Delete forward word. */
extern int delbword(); /* Delete backward word. */
extern int killregion(); /* Kill region. */
extern int copyregion(); /* Copy region to kill buffer. */
extern int spawncli(); /* Run CLI in a subjob. */
extern int spawn(); /* Run a command in a subjob. */
extern int ctrlg(); /* Abort out of things */
extern int quit(); /* Quit */
extern int ctlxlp(); /* Begin macro */
extern int ctlxrp(); /* End macro */
extern int ctlxe(); /* Execute macro */
extern int fileread(); /* Get a file, read only */
extern int filefind(); /* Get a file, read write */
extern int filewrite(); /* Write a file */
extern int filesave(); /* Save current file */
extern int filename(); /* Adjust file name */
extern int getccol(); /* Get current column */
extern int gotobol(); /* Move to start of line */
extern int forwchar(); /* Move forward by characters */
extern int gotoeol(); /* Move to end of line */
extern int backchar(); /* Move backward by characters */
extern int forwline(); /* Move forward by lines */
extern int backline(); /* Move backward by lines */
extern int forwpage(); /* Move forward by pages */
extern int backpage(); /* Move backward by pages */
extern int gotobob(); /* Move to start of buffer */
extern int gotoeob(); /* Move to end of buffer */
extern int setfillcol(); /* Set fill column. */
extern int setmark(); /* Set mark */
extern int swapmark(); /* Swap "." and mark */
extern int forwsearch(); /* Search forward */
extern int backsearch(); /* Search backwards */
extern int sreplace(); /* search and replace */
extern int qreplace(); /* search and replace w/query */
extern int showcpos(); /* Show the cursor position */
extern int nextwind(); /* Move to the next window */
extern int prevwind(); /* Move to the previous window */
extern int onlywind(); /* Make current window only one */
extern int splitwind(); /* Split current window */
extern int mvdnwind(); /* Move window down */
extern int mvupwind(); /* Move window up */
extern int enlargewind(); /* Enlarge display window. */
extern int shrinkwind(); /* Shrink window. */
extern int listbuffers(); /* Display list of buffers */
extern int usebuffer(); /* Switch a window to a buffer */
extern int killbuffer(); /* Make a buffer go away. */
extern int reposition(); /* Reposition window */
extern int refresh(); /* Refresh the screen */
extern int twiddle(); /* Twiddle characters */
extern int tab(); /* Insert tab */
extern int newline(); /* Insert CR-LF */
extern int indent(); /* Insert CR-LF, then indent */
extern int openline(); /* Open up a blank line */
extern int deblank(); /* Delete blank lines */
extern int quote(); /* Insert literal */
extern int backword(); /* Backup by words */
extern int forwword(); /* Advance by words */
extern int forwdel(); /* Forward delete */
extern int backdel(); /* Backward delete */
extern int killtext(); /* Kill forward */
extern int yank(); /* Yank back from killbuffer. */
extern int upperword(); /* Upper case word. */
extern int lowerword(); /* Lower case word. */
extern int upperregion(); /* Upper case region. */
extern int lowerregion(); /* Lower case region. */
extern int capword(); /* Initial capitalize word. */
extern int delfword(); /* Delete forward word. */
extern int delbword(); /* Delete backward word. */
extern int killregion(); /* Kill region. */
extern int copyregion(); /* Copy region to kill buffer. */
extern int spawncli(); /* Run CLI in a subjob. */
extern int spawn(); /* Run a command in a subjob. */
#if BSD | __hpux | SVR4
extern int bktoshell(); /* suspend emacs to parent shell*/
extern int rtfrmshell(); /* return from a suspended state*/
extern int bktoshell(); /* suspend emacs to parent shell */
extern int rtfrmshell(); /* return from a suspended state */
#endif
extern int quickexit(); /* low keystroke style exit. */
extern int setmode(); /* set an editor mode */
extern int delmode(); /* delete a mode */
extern int gotoline(); /* go to a numbered line */
extern int namebuffer(); /* rename the current buffer */
extern int quickexit(); /* low keystroke style exit. */
extern int setmode(); /* set an editor mode */
extern int delmode(); /* delete a mode */
extern int gotoline(); /* go to a numbered line */
extern int namebuffer(); /* rename the current buffer */
#if WORDPRO
extern int gotobop(); /* go to beginning/paragraph */
extern int gotoeop(); /* go to end/paragraph */
extern int fillpara(); /* fill current paragraph */
extern int gotobop(); /* go to beginning/paragraph */
extern int gotoeop(); /* go to end/paragraph */
extern int fillpara(); /* fill current paragraph */
#if PKCODE
extern int justpara(); /* justify current paragraph */
extern int justpara(); /* justify current paragraph */
#endif
#endif
extern int help(); /* get the help file here */
extern int deskey(); /* describe a key's binding */
extern int viewfile(); /* find a file in view mode */
extern int insfile(); /* insert a file */
extern int scrnextup(); /* scroll next window back */
extern int scrnextdw(); /* scroll next window down */
extern int bindtokey(); /* bind a function to a key */
extern int unbindkey(); /* unbind a key's function */
extern int namedcmd(); /* execute named command */
extern int desbind(); /* describe bindings */
extern int execcmd(); /* execute a command line */
extern int execbuf(); /* exec commands from a buffer */
extern int execfile(); /* exec commands from a file */
extern int nextbuffer(); /* switch to the next buffer */
extern int help(); /* get the help file here */
extern int deskey(); /* describe a key's binding */
extern int viewfile(); /* find a file in view mode */
extern int insfile(); /* insert a file */
extern int scrnextup(); /* scroll next window back */
extern int scrnextdw(); /* scroll next window down */
extern int bindtokey(); /* bind a function to a key */
extern int unbindkey(); /* unbind a key's function */
extern int namedcmd(); /* execute named command */
extern int desbind(); /* describe bindings */
extern int execcmd(); /* execute a command line */
extern int execbuf(); /* exec commands from a buffer */
extern int execfile(); /* exec commands from a file */
extern int nextbuffer(); /* switch to the next buffer */
#if WORDPRO
extern int killpara(); /* kill the current paragraph */
extern int killpara(); /* kill the current paragraph */
#endif
extern int setgmode(); /* set a global mode */
extern int delgmode(); /* delete a global mode */
extern int insspace(); /* insert a space forword */
extern int forwhunt(); /* hunt forward for next match */
extern int backhunt(); /* hunt backwards for next match*/
extern int pipecmd(); /* pipe command into buffer */
extern int filter(); /* filter buffer through dos */
extern int delwind(); /* delete the current window */
extern int cbuf1(); /* execute numbered comd buffer */
extern int cbuf2();
extern int cbuf3();
extern int cbuf4();
extern int cbuf5();
extern int cbuf6();
extern int cbuf7();
extern int cbuf8();
extern int cbuf9();
extern int cbuf10();
extern int cbuf11();
extern int cbuf12();
extern int cbuf13();
extern int cbuf14();
extern int cbuf15();
extern int cbuf16();
extern int cbuf17();
extern int cbuf18();
extern int cbuf19();
extern int cbuf20();
extern int cbuf21();
extern int cbuf22();
extern int cbuf23();
extern int cbuf24();
extern int cbuf25();
extern int cbuf26();
extern int cbuf27();
extern int cbuf28();
extern int cbuf29();
extern int cbuf30();
extern int cbuf31();
extern int cbuf32();
extern int cbuf33();
extern int cbuf34();
extern int cbuf35();
extern int cbuf36();
extern int cbuf37();
extern int cbuf38();
extern int cbuf39();
extern int cbuf40();
extern int storemac(); /* store text for macro */
extern int resize(); /* resize current window */
extern int clrmes(); /* clear the message line */
extern int meta(); /* meta prefix dummy function */
extern int cex(); /* ^X prefix dummy function */
extern int unarg(); /* ^U repeat arg dummy function */
extern int istring(); /* insert string in text */
extern int unmark(); /* unmark current buffer */
extern int setgmode(); /* set a global mode */
extern int delgmode(); /* delete a global mode */
extern int insspace(); /* insert a space forword */
extern int forwhunt(); /* hunt forward for next match */
extern int backhunt(); /* hunt backwards for next match */
extern int pipecmd(); /* pipe command into buffer */
extern int filter(); /* filter buffer through dos */
extern int delwind(); /* delete the current window */
extern int cbuf1(); /* execute numbered comd buffer */
extern int cbuf2();
extern int cbuf3();
extern int cbuf4();
extern int cbuf5();
extern int cbuf6();
extern int cbuf7();
extern int cbuf8();
extern int cbuf9();
extern int cbuf10();
extern int cbuf11();
extern int cbuf12();
extern int cbuf13();
extern int cbuf14();
extern int cbuf15();
extern int cbuf16();
extern int cbuf17();
extern int cbuf18();
extern int cbuf19();
extern int cbuf20();
extern int cbuf21();
extern int cbuf22();
extern int cbuf23();
extern int cbuf24();
extern int cbuf25();
extern int cbuf26();
extern int cbuf27();
extern int cbuf28();
extern int cbuf29();
extern int cbuf30();
extern int cbuf31();
extern int cbuf32();
extern int cbuf33();
extern int cbuf34();
extern int cbuf35();
extern int cbuf36();
extern int cbuf37();
extern int cbuf38();
extern int cbuf39();
extern int cbuf40();
extern int storemac(); /* store text for macro */
extern int resize(); /* resize current window */
extern int clrmes(); /* clear the message line */
extern int meta(); /* meta prefix dummy function */
extern int cex(); /* ^X prefix dummy function */
extern int unarg(); /* ^U repeat arg dummy function */
extern int istring(); /* insert string in text */
extern int unmark(); /* unmark current buffer */
#if ISRCH
extern int fisearch(); /* forward incremental search */
extern int risearch(); /* reverse incremental search */
extern int fisearch(); /* forward incremental search */
extern int risearch(); /* reverse incremental search */
#endif
#if WORDPRO
extern int wordcount(); /* count words in region */
extern int wordcount(); /* count words in region */
#endif
extern int savewnd(); /* save current window */
extern int restwnd(); /* restore current window */
extern int upscreen(); /* force screen update */
extern int writemsg(); /* write text on message line */
extern int savewnd(); /* save current window */
extern int restwnd(); /* restore current window */
extern int upscreen(); /* force screen update */
extern int writemsg(); /* write text on message line */
#if FNLABEL
extern int fnclabel(); /* set function key label */
extern int fnclabel(); /* set function key label */
#endif
#if APROP
extern int apro(); /* apropos fuction */
extern int apro(); /* apropos fuction */
#endif
#if CRYPT
extern int setkey(); /* set encryption key */
extern int setkey(); /* set encryption key */
#endif
extern int wrapword(); /* wordwrap function */
extern int wrapword(); /* wordwrap function */
#if CFENCE
extern int getfence(); /* move cursor to a matching fence */
extern int getfence(); /* move cursor to a matching fence */
#endif
extern int newsize(); /* change the current screen size */
extern int setvar(); /* set a variables value */
extern int newwidth(); /* change the current screen width */
extern int newsize(); /* change the current screen size */
extern int setvar(); /* set a variables value */
extern int newwidth(); /* change the current screen width */
#if AEDIT
extern int trim(); /* trim whitespace from end of line */
extern int detab(); /* detab rest of line */
extern int entab(); /* entab rest of line */
extern int trim(); /* trim whitespace from end of line */
extern int detab(); /* detab rest of line */
extern int entab(); /* entab rest of line */
#endif
#if PROC
extern int storeproc(); /* store names procedure */
extern int execproc(); /* execute procedure */
extern int storeproc(); /* store names procedure */
extern int execproc(); /* execute procedure */
#endif
extern int nullproc(); /* does nothing... */
extern int ovstring(); /* overwrite a string */
extern int execprg(); /* execute a program */
extern int nullproc(); /* does nothing... */
extern int ovstring(); /* overwrite a string */
extern int execprg(); /* execute a program */
extern int cknewwindow();
extern int cknewwindow();
/* Name to function binding table
@ -217,215 +217,215 @@ extern int cknewwindow();
function.
*/
NBIND names[] = {
{"abort-command", ctrlg},
{"add-mode", setmode},
{"add-global-mode", setgmode},
NBIND names[] = {
{"abort-command", ctrlg},
{"add-mode", setmode},
{"add-global-mode", setgmode},
#if APROP
{"apropos", apro},
{"apropos", apro},
#endif
{"backward-character", backchar},
{"begin-macro", ctlxlp},
{"beginning-of-file", gotobob},
{"beginning-of-line", gotobol},
{"bind-to-key", bindtokey},
{"buffer-position", showcpos},
{"case-region-lower", lowerregion},
{"case-region-upper", upperregion},
{"case-word-capitalize", capword},
{"case-word-lower", lowerword},
{"case-word-upper", upperword},
{"change-file-name", filename},
{"change-screen-size", newsize},
{"change-screen-width", newwidth},
{"clear-and-redraw", refresh},
{"clear-message-line", clrmes},
{"copy-region", copyregion},
{"backward-character", backchar},
{"begin-macro", ctlxlp},
{"beginning-of-file", gotobob},
{"beginning-of-line", gotobol},
{"bind-to-key", bindtokey},
{"buffer-position", showcpos},
{"case-region-lower", lowerregion},
{"case-region-upper", upperregion},
{"case-word-capitalize", capword},
{"case-word-lower", lowerword},
{"case-word-upper", upperword},
{"change-file-name", filename},
{"change-screen-size", newsize},
{"change-screen-width", newwidth},
{"clear-and-redraw", refresh},
{"clear-message-line", clrmes},
{"copy-region", copyregion},
#if WORDPRO
{"count-words", wordcount},
{"count-words", wordcount},
#endif
{"ctlx-prefix", cex},
{"delete-blank-lines", deblank},
{"delete-buffer", killbuffer},
{"delete-mode", delmode},
{"delete-global-mode", delgmode},
{"delete-next-character", forwdel},
{"delete-next-word", delfword},
{"delete-other-windows", onlywind},
{"delete-previous-character", backdel},
{"delete-previous-word", delbword},
{"delete-window", delwind},
{"describe-bindings", desbind},
{"describe-key", deskey},
{"ctlx-prefix", cex},
{"delete-blank-lines", deblank},
{"delete-buffer", killbuffer},
{"delete-mode", delmode},
{"delete-global-mode", delgmode},
{"delete-next-character", forwdel},
{"delete-next-word", delfword},
{"delete-other-windows", onlywind},
{"delete-previous-character", backdel},
{"delete-previous-word", delbword},
{"delete-window", delwind},
{"describe-bindings", desbind},
{"describe-key", deskey},
#if AEDIT
{"detab-line", detab},
{"detab-line", detab},
#endif
{"end-macro", ctlxrp},
{"end-of-file", gotoeob},
{"end-of-line", gotoeol},
{"end-macro", ctlxrp},
{"end-of-file", gotoeob},
{"end-of-line", gotoeol},
#if AEDIT
{"entab-line", entab},
{"entab-line", entab},
#endif
{"exchange-point-and-mark", swapmark},
{"execute-buffer", execbuf},
{"execute-command-line", execcmd},
{"execute-file", execfile},
{"execute-macro", ctlxe},
{"execute-macro-1", cbuf1},
{"execute-macro-2", cbuf2},
{"execute-macro-3", cbuf3},
{"execute-macro-4", cbuf4},
{"execute-macro-5", cbuf5},
{"execute-macro-6", cbuf6},
{"execute-macro-7", cbuf7},
{"execute-macro-8", cbuf8},
{"execute-macro-9", cbuf9},
{"execute-macro-10", cbuf10},
{"execute-macro-11", cbuf11},
{"execute-macro-12", cbuf12},
{"execute-macro-13", cbuf13},
{"execute-macro-14", cbuf14},
{"execute-macro-15", cbuf15},
{"execute-macro-16", cbuf16},
{"execute-macro-17", cbuf17},
{"execute-macro-18", cbuf18},
{"execute-macro-19", cbuf19},
{"execute-macro-20", cbuf20},
{"execute-macro-21", cbuf21},
{"execute-macro-22", cbuf22},
{"execute-macro-23", cbuf23},
{"execute-macro-24", cbuf24},
{"execute-macro-25", cbuf25},
{"execute-macro-26", cbuf26},
{"execute-macro-27", cbuf27},
{"execute-macro-28", cbuf28},
{"execute-macro-29", cbuf29},
{"execute-macro-30", cbuf30},
{"execute-macro-31", cbuf31},
{"execute-macro-32", cbuf32},
{"execute-macro-33", cbuf33},
{"execute-macro-34", cbuf34},
{"execute-macro-35", cbuf35},
{"execute-macro-36", cbuf36},
{"execute-macro-37", cbuf37},
{"execute-macro-38", cbuf38},
{"execute-macro-39", cbuf39},
{"execute-macro-40", cbuf40},
{"execute-named-command", namedcmd},
{"exchange-point-and-mark", swapmark},
{"execute-buffer", execbuf},
{"execute-command-line", execcmd},
{"execute-file", execfile},
{"execute-macro", ctlxe},
{"execute-macro-1", cbuf1},
{"execute-macro-2", cbuf2},
{"execute-macro-3", cbuf3},
{"execute-macro-4", cbuf4},
{"execute-macro-5", cbuf5},
{"execute-macro-6", cbuf6},
{"execute-macro-7", cbuf7},
{"execute-macro-8", cbuf8},
{"execute-macro-9", cbuf9},
{"execute-macro-10", cbuf10},
{"execute-macro-11", cbuf11},
{"execute-macro-12", cbuf12},
{"execute-macro-13", cbuf13},
{"execute-macro-14", cbuf14},
{"execute-macro-15", cbuf15},
{"execute-macro-16", cbuf16},
{"execute-macro-17", cbuf17},
{"execute-macro-18", cbuf18},
{"execute-macro-19", cbuf19},
{"execute-macro-20", cbuf20},
{"execute-macro-21", cbuf21},
{"execute-macro-22", cbuf22},
{"execute-macro-23", cbuf23},
{"execute-macro-24", cbuf24},
{"execute-macro-25", cbuf25},
{"execute-macro-26", cbuf26},
{"execute-macro-27", cbuf27},
{"execute-macro-28", cbuf28},
{"execute-macro-29", cbuf29},
{"execute-macro-30", cbuf30},
{"execute-macro-31", cbuf31},
{"execute-macro-32", cbuf32},
{"execute-macro-33", cbuf33},
{"execute-macro-34", cbuf34},
{"execute-macro-35", cbuf35},
{"execute-macro-36", cbuf36},
{"execute-macro-37", cbuf37},
{"execute-macro-38", cbuf38},
{"execute-macro-39", cbuf39},
{"execute-macro-40", cbuf40},
{"execute-named-command", namedcmd},
#if PROC
{"execute-procedure", execproc},
{"execute-procedure", execproc},
#endif
{"execute-program", execprg},
{"exit-emacs", quit},
{"execute-program", execprg},
{"exit-emacs", quit},
#if WORDPRO
{"fill-paragraph", fillpara},
{"fill-paragraph", fillpara},
#endif
{"filter-buffer", filter},
{"find-file", filefind},
{"forward-character", forwchar},
{"goto-line", gotoline},
{"filter-buffer", filter},
{"find-file", filefind},
{"forward-character", forwchar},
{"goto-line", gotoline},
#if CFENCE
{"goto-matching-fence", getfence},
{"goto-matching-fence", getfence},
#endif
{"grow-window", enlargewind},
{"handle-tab", tab},
{"hunt-forward", forwhunt},
{"hunt-backward", backhunt},
{"help", help},
{"i-shell", spawncli},
{"grow-window", enlargewind},
{"handle-tab", tab},
{"hunt-forward", forwhunt},
{"hunt-backward", backhunt},
{"help", help},
{"i-shell", spawncli},
#if ISRCH
{"incremental-search", fisearch},
{"incremental-search", fisearch},
#endif
{"insert-file", insfile},
{"insert-space", insspace},
{"insert-string", istring},
{"insert-file", insfile},
{"insert-space", insspace},
{"insert-string", istring},
#if WORDPRO
#if PKCODE
{"justify-paragraph", justpara},
{"justify-paragraph", justpara},
#endif
{"kill-paragraph", killpara},
{"kill-paragraph", killpara},
#endif
{"kill-region", killregion},
{"kill-to-end-of-line", killtext},
{"kill-region", killregion},
{"kill-to-end-of-line", killtext},
#if FNLABEL
{"label-function-key", fnclabel},
{"label-function-key", fnclabel},
#endif
{"list-buffers", listbuffers},
{"meta-prefix", meta},
{"move-window-down", mvdnwind},
{"move-window-up", mvupwind},
{"name-buffer", namebuffer},
{"newline", newline},
{"newline-and-indent", indent},
{"next-buffer", nextbuffer},
{"next-line", forwline},
{"next-page", forwpage},
{"list-buffers", listbuffers},
{"meta-prefix", meta},
{"move-window-down", mvdnwind},
{"move-window-up", mvupwind},
{"name-buffer", namebuffer},
{"newline", newline},
{"newline-and-indent", indent},
{"next-buffer", nextbuffer},
{"next-line", forwline},
{"next-page", forwpage},
#if WORDPRO
{"next-paragraph", gotoeop},
{"next-paragraph", gotoeop},
#endif
{"next-window", nextwind},
{"next-word", forwword},
{"nop", nullproc},
{"open-line", openline},
{"overwrite-string", ovstring},
{"pipe-command", pipecmd},
{"previous-line", backline},
{"previous-page", backpage},
{"next-window", nextwind},
{"next-word", forwword},
{"nop", nullproc},
{"open-line", openline},
{"overwrite-string", ovstring},
{"pipe-command", pipecmd},
{"previous-line", backline},
{"previous-page", backpage},
#if WORDPRO
{"previous-paragraph", gotobop},
{"previous-paragraph", gotobop},
#endif
{"previous-window", prevwind},
{"previous-word", backword},
{"query-replace-string", qreplace},
{"quick-exit", quickexit},
{"quote-character", quote},
{"read-file", fileread},
{"redraw-display", reposition},
{"resize-window", resize},
{"restore-window", restwnd},
{"replace-string", sreplace},
{"previous-window", prevwind},
{"previous-word", backword},
{"query-replace-string", qreplace},
{"quick-exit", quickexit},
{"quote-character", quote},
{"read-file", fileread},
{"redraw-display", reposition},
{"resize-window", resize},
{"restore-window", restwnd},
{"replace-string", sreplace},
#if ISRCH
{"reverse-incremental-search", risearch},
{"reverse-incremental-search", risearch},
#endif
#if PROC
{"run", execproc},
{"run", execproc},
#endif
{"save-file", filesave},
{"save-window", savewnd},
{"scroll-next-up", scrnextup},
{"scroll-next-down", scrnextdw},
{"search-forward", forwsearch},
{"search-reverse", backsearch},
{"select-buffer", usebuffer},
{"set", setvar},
{"save-file", filesave},
{"save-window", savewnd},
{"scroll-next-up", scrnextup},
{"scroll-next-down", scrnextdw},
{"search-forward", forwsearch},
{"search-reverse", backsearch},
{"select-buffer", usebuffer},
{"set", setvar},
#if CRYPT
{"set-encryption-key", setkey},
{"set-encryption-key", setkey},
#endif
{"set-fill-column", setfillcol},
{"set-mark", setmark},
{"shell-command", spawn},
{"shrink-window", shrinkwind},
{"split-current-window", splitwind},
{"store-macro", storemac},
{"set-fill-column", setfillcol},
{"set-mark", setmark},
{"shell-command", spawn},
{"shrink-window", shrinkwind},
{"split-current-window", splitwind},
{"store-macro", storemac},
#if PROC
{"store-procedure", storeproc},
{"store-procedure", storeproc},
#endif
#if BSD | __hpux | SVR4
{"suspend-emacs", bktoshell},
{"suspend-emacs", bktoshell},
#endif
{"transpose-characters", twiddle},
{"transpose-characters", twiddle},
#if AEDIT
{"trim-line", trim},
{"trim-line", trim},
#endif
{"unbind-key", unbindkey},
{"universal-argument", unarg},
{"unmark-buffer", unmark},
{"update-screen", upscreen},
{"view-file", viewfile},
{"wrap-word", wrapword},
{"write-file", filewrite},
{"write-message", writemsg},
{"yank", yank},
{"unbind-key", unbindkey},
{"universal-argument", unarg},
{"unmark-buffer", unmark},
{"update-screen", upscreen},
{"view-file", viewfile},
{"wrap-word", wrapword},
{"write-file", filewrite},
{"write-message", writemsg},
{"yank", yank},
{"", NULL}
{"", NULL}
};

23
epath.h
View File

@ -9,7 +9,6 @@
/* possible names and paths of help files under different OSs */
char *pathname[] =
#if MSDOS
{
"emacs.rc",
@ -24,30 +23,20 @@ char *pathname[] =
#if V7 | BSD | USG
{
".emacsrc",
"emacs.hlp",
".emacsrc", "emacs.hlp",
#if PKCODE
"/usr/global/lib/",
"/usr/local/bin/",
"/usr/local/lib/",
"/usr/global/lib/", "/usr/local/bin/", "/usr/local/lib/",
#endif
"/usr/local/",
"/usr/lib/",
""
};
"/usr/local/", "/usr/lib/", ""};
#endif
#if VMS
{
"emacs.rc",
"emacs.hlp",
"",
"emacs.rc", "emacs.hlp", "",
#if PKCODE
"sys$login:",
"emacs_dir:",
"sys$login:", "emacs_dir:",
#endif
"sys$sysdevice:[vmstools]"
};
"sys$sysdevice:[vmstools]"};
#endif
#define NPNAMES (sizeof(pathname)/sizeof(char *))

455
estruct.h
View File

@ -41,14 +41,14 @@
/* make an intelligent guess about the target system */
#if defined(__TURBOC__)
#define MSDOS 1 /* MS/PC DOS 3.1-4.0 with Turbo C 2.0 */
#define MSDOS 1 /* MS/PC DOS 3.1-4.0 with Turbo C 2.0 */
#else
#define MSDOS 0
#endif
#if defined(BSD) || defined(sun) || defined(ultrix) || (defined(vax) && defined(unix)) || defined(ultrix) || defined(__osf__)
#ifndef BSD
#define BSD 1 /* Berkeley UNIX */
#define BSD 1 /* Berkeley UNIX */
#endif
#else
#define BSD 0
@ -61,35 +61,35 @@
#endif
#if defined(SYSV) || defined(u3b2) || defined(_AIX) || (defined(i386) && defined(unix)) || defined(__hpux)
#define USG 1 /* System V UNIX */
#define USG 1 /* System V UNIX */
#else
#define USG 0
#endif
#if defined(VMS) || (defined(vax) && ! defined(unix))
#define VMS 1 /* VAX/VMS */
#define VMS 1 /* VAX/VMS */
#else
#define VMS 0
#endif
#define V7 0 /* no more */
#define V7 0 /* no more */
#else
#define MSDOS 1 /* MS-DOS */
#define V7 0 /* V7 UNIX or Coherent or BSD4.2*/
#define BSD 0 /* UNIX BSD 4.2 and ULTRIX */
#define USG 0 /* UNIX system V */
#define VMS 0 /* VAX/VMS */
#define MSDOS 1 /* MS-DOS */
#define V7 0 /* V7 UNIX or Coherent or BSD4.2 */
#define BSD 0 /* UNIX BSD 4.2 and ULTRIX */
#define USG 0 /* UNIX system V */
#define VMS 0 /* VAX/VMS */
#endif /*autoconf */
#endif /*autoconf */
#ifndef AUTOCONF
/* Compiler definitions */
#define UNIX 0 /* a random UNIX compiler */
#define MSC 0 /* MicroSoft C compiler, versions 3 up */
#define TURBO 1 /* Turbo C/MSDOS */
#define UNIX 0 /* a random UNIX compiler */
#define MSC 0 /* MicroSoft C compiler, versions 3 up */
#define TURBO 1 /* Turbo C/MSDOS */
#else
@ -97,27 +97,27 @@
#define MSC 0
#define TURBO MSDOS
#endif /*autoconf */
#endif /*autoconf */
/* Debugging options */
#define RAMSIZE 0 /* dynamic RAM memory usage tracking */
#define RAMSHOW 0 /* auto dynamic RAM reporting */
#define RAMSIZE 0 /* dynamic RAM memory usage tracking */
#define RAMSHOW 0 /* auto dynamic RAM reporting */
#ifndef AUTOCONF
/* Special keyboard definitions */
#define VT220 0 /* Use keypad escapes P.K. */
#define VT100 0 /* Handle VT100 style keypad. */
#define VT220 0 /* Use keypad escapes P.K. */
#define VT100 0 /* Handle VT100 style keypad. */
/* Terminal Output definitions */
#define ANSI 0 /* ANSI escape sequences */
#define VMSVT 0 /* various VMS terminal entries */
#define VT52 0 /* VT52 terminal (Zenith). */
#define TERMCAP 0 /* Use TERMCAP */
#define IBMPC 1 /* IBM-PC CGA/MONO/EGA driver */
#define ANSI 0 /* ANSI escape sequences */
#define VMSVT 0 /* various VMS terminal entries */
#define VT52 0 /* VT52 terminal (Zenith). */
#define TERMCAP 0 /* Use TERMCAP */
#define IBMPC 1 /* IBM-PC CGA/MONO/EGA driver */
#else
@ -130,25 +130,25 @@
#define TERMCAP UNIX
#define IBMPC MSDOS
#endif /*autoconf */
#endif /*autoconf */
/* Configuration options */
#define CVMVAS 1 /* arguments to page forward/back in pages */
#define CLRMSG 0 /* space clears the message line with no insert */
#define CFENCE 1 /* fench matching in CMODE */
#define TYPEAH 1 /* type ahead causes update to be skipped */
#define DEBUGM 1 /* $debug triggers macro debugging */
#define VISMAC 0 /* update display during keyboard macros */
#define CTRLZ 0 /* add a ^Z at end of files under MSDOS only */
#define ADDCR 0 /* ajout d'un CR en fin de chaque ligne (ST520) */
#define NBRACE 1 /* new style brace matching command */
#define REVSTA 1 /* Status line appears in reverse video */
#define CVMVAS 1 /* arguments to page forward/back in pages */
#define CLRMSG 0 /* space clears the message line with no insert */
#define CFENCE 1 /* fench matching in CMODE */
#define TYPEAH 1 /* type ahead causes update to be skipped */
#define DEBUGM 1 /* $debug triggers macro debugging */
#define VISMAC 0 /* update display during keyboard macros */
#define CTRLZ 0 /* add a ^Z at end of files under MSDOS only */
#define ADDCR 0 /* ajout d'un CR en fin de chaque ligne (ST520) */
#define NBRACE 1 /* new style brace matching command */
#define REVSTA 1 /* Status line appears in reverse video */
#ifndef AUTOCONF
#define COLOR 1 /* color commands and windows */
#define FILOCK 0 /* file locking under unix BSD 4.2 */
#define COLOR 1 /* color commands and windows */
#define FILOCK 0 /* file locking under unix BSD 4.2 */
#else
@ -159,37 +159,37 @@
#define FILOCK BSD
#endif
#endif /* autoconf */
#endif /* autoconf */
#define ISRCH 1 /* Incremental searches like ITS EMACS */
#define WORDPRO 1 /* Advanced word processing features */
#define FNLABEL 0 /* function key label code [HP150] */
#define APROP 1 /* Add code for Apropos command */
#define CRYPT 1 /* file encryption enabled? */
#define MAGIC 1 /* include regular expression matching? */
#define AEDIT 1 /* advanced editing options: en/detabbing */
#define PROC 1 /* named procedures */
#define CLEAN 0 /* de-alloc memory on exit */
#define CALLED 0 /* is emacs a called subroutine? or stand alone */
#define ISRCH 1 /* Incremental searches like ITS EMACS */
#define WORDPRO 1 /* Advanced word processing features */
#define FNLABEL 0 /* function key label code [HP150] */
#define APROP 1 /* Add code for Apropos command */
#define CRYPT 1 /* file encryption enabled? */
#define MAGIC 1 /* include regular expression matching? */
#define AEDIT 1 /* advanced editing options: en/detabbing */
#define PROC 1 /* named procedures */
#define CLEAN 0 /* de-alloc memory on exit */
#define CALLED 0 /* is emacs a called subroutine? or stand alone */
#define ASCII 1 /* always using ASCII char sequences for now */
#define EBCDIC 0 /* later IBM mainfraim versions will use EBCDIC */
#define ASCII 1 /* always using ASCII char sequences for now */
#define EBCDIC 0 /* later IBM mainfraim versions will use EBCDIC */
#ifndef AUTOCONF
#define XONXOFF 0 /* don't disable XON-XOFF flow control P.K. */
#define NATIONL 0 /* interprete [,],\,{,},| as characters P.K. */
#define XONXOFF 0 /* don't disable XON-XOFF flow control P.K. */
#define NATIONL 0 /* interprete [,],\,{,},| as characters P.K. */
#else
#define XONXOFF (UNIX | VMS)
#define NATIONL (UNIX | VMS)
#endif /* autoconf */
#endif /* autoconf */
#define PKCODE 1 /* include my extensions P.K., define always */
#define IBMCHR MSDOS /* use IBM PC character set P.K. */
#define SCROLLCODE 1 /* scrolling code P.K. */
#define PKCODE 1 /* include my extensions P.K., define always */
#define IBMCHR MSDOS /* use IBM PC character set P.K. */
#define SCROLLCODE 1 /* scrolling code P.K. */
/* System dependant library redefinitions, structures and includes */
@ -240,24 +240,24 @@
/* internal constants */
#define NBINDS 256 /* max # of bound keys */
#define NFILEN 80 /* # of bytes, file name */
#define NBUFN 16 /* # of bytes, buffer name */
#define NLINE 256 /* # of bytes, input line */
#define NSTRING 128 /* # of bytes, string buffers */
#define NKBDM 256 /* # of strokes, keyboard macro */
#define NPAT 128 /* # of bytes, pattern */
#define HUGE 1000 /* Huge number */
#define NLOCKS 100 /* max # of file locks active */
#define NCOLORS 8 /* number of supported colors */
#define KBLOCK 250 /* sizeof kill buffer chunks */
#define NBLOCK 16 /* line block chunk size */
#define NVSIZE 10 /* max #chars in a var name */
#define NBINDS 256 /* max # of bound keys */
#define NFILEN 80 /* # of bytes, file name */
#define NBUFN 16 /* # of bytes, buffer name */
#define NLINE 256 /* # of bytes, input line */
#define NSTRING 128 /* # of bytes, string buffers */
#define NKBDM 256 /* # of strokes, keyboard macro */
#define NPAT 128 /* # of bytes, pattern */
#define HUGE 1000 /* Huge number */
#define NLOCKS 100 /* max # of file locks active */
#define NCOLORS 8 /* number of supported colors */
#define KBLOCK 250 /* sizeof kill buffer chunks */
#define NBLOCK 16 /* line block chunk size */
#define NVSIZE 10 /* max #chars in a var name */
#define CONTROL 0x0100 /* Control flag, or'ed in */
#define META 0x0200 /* Meta flag, or'ed in */
#define CTLX 0x0400 /* ^X flag, or'ed in */
#define SPEC 0x0800 /* special key (function keys) */
#define CONTROL 0x0100 /* Control flag, or'ed in */
#define META 0x0200 /* Meta flag, or'ed in */
#define CTLX 0x0400 /* ^X flag, or'ed in */
#define SPEC 0x0800 /* special key (function keys) */
#if PKCODE
#define MAXNLINE 10000000 /* max lines from one file */
@ -270,14 +270,14 @@
#undef TRUE
#endif
#define FALSE 0 /* False, no, bad, etc. */
#define TRUE 1 /* True, yes, good, etc. */
#define ABORT 2 /* Death, ^G, abort, etc. */
#define FAILED 3 /* not-quite fatal false return */
#define FALSE 0 /* False, no, bad, etc. */
#define TRUE 1 /* True, yes, good, etc. */
#define ABORT 2 /* Death, ^G, abort, etc. */
#define FAILED 3 /* not-quite fatal false return */
#define STOP 0 /* keyboard macro not in use */
#define PLAY 1 /* playing */
#define RECORD 2 /* recording */
#define STOP 0 /* keyboard macro not in use */
#define PLAY 1 /* playing */
#define RECORD 2 /* recording */
/* Directive definitions */
@ -298,23 +298,23 @@
* PTBEG, PTEND, FORWARD, and REVERSE are all toggle-able values for
* the scan routines.
*/
#define PTBEG 0 /* Leave the point at the beginning on search */
#define PTEND 1 /* Leave the point at the end on search */
#define FORWARD 0 /* forward direction */
#define REVERSE 1 /* backwards direction */
#define PTBEG 0 /* Leave the point at the beginning on search */
#define PTEND 1 /* Leave the point at the end on search */
#define FORWARD 0 /* forward direction */
#define REVERSE 1 /* backwards direction */
#define FIOSUC 0 /* File I/O, success. */
#define FIOFNF 1 /* File I/O, file not found. */
#define FIOEOF 2 /* File I/O, end of file. */
#define FIOERR 3 /* File I/O, error. */
#define FIOMEM 4 /* File I/O, out of memory */
#define FIOFUN 5 /* File I/O, eod of file/bad line*/
#define FIOSUC 0 /* File I/O, success. */
#define FIOFNF 1 /* File I/O, file not found. */
#define FIOEOF 2 /* File I/O, end of file. */
#define FIOERR 3 /* File I/O, error. */
#define FIOMEM 4 /* File I/O, out of memory */
#define FIOFUN 5 /* File I/O, eod of file/bad line */
#define CFCPCN 0x0001 /* Last command was C-P, C-N */
#define CFKILL 0x0002 /* Last command was a kill */
#define CFCPCN 0x0001 /* Last command was C-P, C-N */
#define CFKILL 0x0002 /* Last command was a kill */
#define BELL 0x07 /* a bell character */
#define TAB 0x09 /* a tab character */
#define BELL 0x07 /* a bell character */
#define TAB 0x09 /* a tab character */
#if V7 | USG | BSD
#define PATHCHR ':'
@ -326,17 +326,17 @@
/* Macro argument token types */
#define TKNUL 0 /* end-of-string */
#define TKARG 1 /* interactive argument */
#define TKBUF 2 /* buffer argument */
#define TKVAR 3 /* user variables */
#define TKENV 4 /* environment variables */
#define TKFUN 5 /* function.... */
#define TKDIR 6 /* directive */
#define TKLBL 7 /* line label */
#define TKLIT 8 /* numeric literal */
#define TKSTR 9 /* quoted string literal */
#define TKCMD 10 /* command name */
#define TKNUL 0 /* end-of-string */
#define TKARG 1 /* interactive argument */
#define TKBUF 2 /* buffer argument */
#define TKVAR 3 /* user variables */
#define TKENV 4 /* environment variables */
#define TKFUN 5 /* function.... */
#define TKDIR 6 /* directive */
#define TKLBL 7 /* line label */
#define TKLIT 8 /* numeric literal */
#define TKSTR 9 /* quoted string literal */
#define TKCMD 10 /* command name */
/* Internal defined functions */
@ -428,34 +428,34 @@
* the full blown redisplay is just too expensive to run for every input
* character.
*/
typedef struct WINDOW {
struct WINDOW *w_wndp; /* Next window */
struct BUFFER *w_bufp; /* Buffer displayed in window */
struct LINE *w_linep; /* Top line in the window */
struct LINE *w_dotp; /* Line containing "." */
short w_doto; /* Byte offset for "." */
struct LINE *w_markp; /* Line containing "mark" */
short w_marko; /* Byte offset for "mark" */
char w_toprow; /* Origin 0 top row of window */
char w_ntrows; /* # of rows of text in window */
char w_force; /* If NZ, forcing row. */
char w_flag; /* Flags. */
typedef struct WINDOW {
struct WINDOW *w_wndp; /* Next window */
struct BUFFER *w_bufp; /* Buffer displayed in window */
struct LINE *w_linep; /* Top line in the window */
struct LINE *w_dotp; /* Line containing "." */
short w_doto; /* Byte offset for "." */
struct LINE *w_markp; /* Line containing "mark" */
short w_marko; /* Byte offset for "mark" */
char w_toprow; /* Origin 0 top row of window */
char w_ntrows; /* # of rows of text in window */
char w_force; /* If NZ, forcing row. */
char w_flag; /* Flags. */
#if COLOR
char w_fcolor; /* current forground color */
char w_bcolor; /* current background color */
char w_fcolor; /* current forground color */
char w_bcolor; /* current background color */
#endif
} WINDOW;
} WINDOW;
#define WFFORCE 0x01 /* Window needs forced reframe */
#define WFMOVE 0x02 /* Movement from line to line */
#define WFEDIT 0x04 /* Editing within a line */
#define WFHARD 0x08 /* Better to a full display */
#define WFMODE 0x10 /* Update mode line. */
#define WFCOLR 0x20 /* Needs a color change */
#define WFFORCE 0x01 /* Window needs forced reframe */
#define WFMOVE 0x02 /* Movement from line to line */
#define WFEDIT 0x04 /* Editing within a line */
#define WFHARD 0x08 /* Better to a full display */
#define WFMODE 0x10 /* Update mode line. */
#define WFCOLR 0x20 /* Needs a color change */
#if SCROLLCODE
#define WFKILLS 0x40 /* something was deleted */
#define WFINS 0x80 /* something was inserted */
#define WFKILLS 0x40 /* something was deleted */
#define WFINS 0x80 /* something was inserted */
#endif
@ -470,50 +470,50 @@ typedef struct WINDOW {
* Buffers may be "Inactive" which means the files associated with them
* have not been read in yet. These get read in at "use buffer" time.
*/
typedef struct BUFFER {
struct BUFFER *b_bufp; /* Link to next BUFFER */
struct LINE *b_dotp; /* Link to "." LINE structure */
short b_doto; /* Offset of "." in above LINE */
struct LINE *b_markp; /* The same as the above two, */
short b_marko; /* but for the "mark" */
struct LINE *b_linep; /* Link to the header LINE */
char b_active; /* window activated flag */
char b_nwnd; /* Count of windows on buffer */
char b_flag; /* Flags */
int b_mode; /* editor mode of this buffer */
char b_fname[NFILEN]; /* File name */
char b_bname[NBUFN]; /* Buffer name */
typedef struct BUFFER {
struct BUFFER *b_bufp; /* Link to next BUFFER */
struct LINE *b_dotp; /* Link to "." LINE structure */
short b_doto; /* Offset of "." in above LINE */
struct LINE *b_markp; /* The same as the above two, */
short b_marko; /* but for the "mark" */
struct LINE *b_linep; /* Link to the header LINE */
char b_active; /* window activated flag */
char b_nwnd; /* Count of windows on buffer */
char b_flag; /* Flags */
int b_mode; /* editor mode of this buffer */
char b_fname[NFILEN]; /* File name */
char b_bname[NBUFN]; /* Buffer name */
#if CRYPT
char b_key[NPAT]; /* current encrypted key */
char b_key[NPAT]; /* current encrypted key */
#endif
} BUFFER;
} BUFFER;
#define BFINVS 0x01 /* Internal invisable buffer */
#define BFCHG 0x02 /* Changed since last write */
#define BFTRUNC 0x04 /* buffer was truncated when read */
#define BFINVS 0x01 /* Internal invisable buffer */
#define BFCHG 0x02 /* Changed since last write */
#define BFTRUNC 0x04 /* buffer was truncated when read */
/* mode flags */
#define NUMMODES 9 /* # of defined modes */
#define NUMMODES 9 /* # of defined modes */
#define MDWRAP 0x0001 /* word wrap */
#define MDCMOD 0x0002 /* C indentation and fence match*/
#define MDSPELL 0x0004 /* spell error parcing */
#define MDEXACT 0x0008 /* Exact matching for searches */
#define MDVIEW 0x0010 /* read-only buffer */
#define MDOVER 0x0020 /* overwrite mode */
#define MDMAGIC 0x0040 /* regular expresions in search */
#define MDCRYPT 0x0080 /* encrytion mode active */
#define MDASAVE 0x0100 /* auto-save mode */
#define MDWRAP 0x0001 /* word wrap */
#define MDCMOD 0x0002 /* C indentation and fence match */
#define MDSPELL 0x0004 /* spell error parcing */
#define MDEXACT 0x0008 /* Exact matching for searches */
#define MDVIEW 0x0010 /* read-only buffer */
#define MDOVER 0x0020 /* overwrite mode */
#define MDMAGIC 0x0040 /* regular expresions in search */
#define MDCRYPT 0x0080 /* encrytion mode active */
#define MDASAVE 0x0100 /* auto-save mode */
/*
* The starting position of a region, and the size of the region in
* characters, is kept in a region structure. Used by the region commands.
*/
typedef struct {
struct LINE *r_linep; /* Origin LINE address. */
short r_offset; /* Origin LINE offset. */
long r_size; /* Length in characters. */
} REGION;
typedef struct {
struct LINE *r_linep; /* Origin LINE address. */
short r_offset; /* Origin LINE offset. */
long r_size; /* Length in characters. */
} REGION;
/*
* All text is kept in circularly linked lists of "LINE" structures. These
@ -523,13 +523,13 @@ typedef struct {
* and the text. The end of line is not stored as a byte; it's implied. Future
* additions will include update hints, and a list of marks into the line.
*/
typedef struct LINE {
struct LINE *l_fp; /* Link to the next line */
struct LINE *l_bp; /* Link to the previous line */
short l_size; /* Allocated size */
short l_used; /* Used size */
char l_text[1]; /* A bunch of characters. */
} LINE;
typedef struct LINE {
struct LINE *l_fp; /* Link to the next line */
struct LINE *l_bp; /* Link to the previous line */
short l_size; /* Allocated size */
short l_used; /* Used size */
char l_text[1]; /* A bunch of characters. */
} LINE;
#define lforw(lp) ((lp)->l_fp)
#define lback(lp) ((lp)->l_bp)
@ -546,35 +546,35 @@ typedef struct LINE {
* "termp->t_field" style in the future, to make it possible to run more than
* one terminal type.
*/
typedef struct {
short t_mrow; /* max number of rows allowable */
short t_nrow; /* current number of rows used */
short t_mcol; /* max Number of columns. */
short t_ncol; /* current Number of columns. */
short t_margin; /* min margin for extended lines*/
short t_scrsiz; /* size of scroll region " */
int t_pause; /* # times thru update to pause */
int (*t_open)(); /* Open terminal at the start. */
int (*t_close)(); /* Close terminal at end. */
int (*t_kopen)(); /* Open keyboard */
int (*t_kclose)(); /* close keyboard */
int (*t_getchar)(); /* Get character from keyboard. */
int (*t_putchar)(); /* Put character to display. */
int (*t_flush)(); /* Flush output buffers. */
int (*t_move)(); /* Move the cursor, origin 0. */
int (*t_eeol)(); /* Erase to end of line. */
int (*t_eeop)(); /* Erase to end of page. */
int (*t_beep)(); /* Beep. */
int (*t_rev)(); /* set reverse video state */
int (*t_rez)(); /* change screen resolution */
typedef struct {
short t_mrow; /* max number of rows allowable */
short t_nrow; /* current number of rows used */
short t_mcol; /* max Number of columns. */
short t_ncol; /* current Number of columns. */
short t_margin; /* min margin for extended lines */
short t_scrsiz; /* size of scroll region " */
int t_pause; /* # times thru update to pause */
int (*t_open) (); /* Open terminal at the start. */
int (*t_close) (); /* Close terminal at end. */
int (*t_kopen) (); /* Open keyboard */
int (*t_kclose) (); /* close keyboard */
int (*t_getchar) (); /* Get character from keyboard. */
int (*t_putchar) (); /* Put character to display. */
int (*t_flush) (); /* Flush output buffers. */
int (*t_move) (); /* Move the cursor, origin 0. */
int (*t_eeol) (); /* Erase to end of line. */
int (*t_eeop) (); /* Erase to end of page. */
int (*t_beep) (); /* Beep. */
int (*t_rev) (); /* set reverse video state */
int (*t_rez) (); /* change screen resolution */
#if COLOR
int (*t_setfor)(); /* set forground color */
int (*t_setback)(); /* set background color */
int (*t_setfor) (); /* set forground color */
int (*t_setback) (); /* set background color */
#endif
#if SCROLLCODE
int (*t_scroll)(); /* scroll a region of the screen */
#if SCROLLCODE
int (*t_scroll) (); /* scroll a region of the screen */
#endif
} TERM;
} TERM;
/* TEMPORARY macros for terminal I/O (to be placed in a machine
dependant place later) */
@ -599,17 +599,17 @@ typedef struct {
/* structure for the table of initial key bindings */
typedef struct {
short k_code; /* Key code */
int (*k_fp)(); /* Routine to handle it */
} KEYTAB;
typedef struct {
short k_code; /* Key code */
int (*k_fp) (); /* Routine to handle it */
} KEYTAB;
/* structure for the name binding table */
typedef struct {
char *n_name; /* name of function key */
int (*n_func)(); /* function name is bound to */
} NBIND;
int (*n_func) (); /* function name is bound to */
} NBIND;
/* The editor holds deleted text chunks in the KILL buffer. The
kill buffer is logically a stream of ascii characters, however
@ -618,7 +618,7 @@ typedef struct {
was taken up by the keycode structure)
*/
typedef struct KILL {
typedef struct KILL {
struct KILL *d_next; /* link to next chunk, NULL if last */
char d_chunk[KBLOCK]; /* deleted text */
} KILL;
@ -630,8 +630,8 @@ typedef struct KILL {
*/
typedef struct VDESC {
int v_type; /* type of variable */
int v_num; /* ordinal pointer to variable in list */
int v_type; /* type of variable */
int v_num; /* ordinal pointer to variable in list */
} VDESC;
/* The !WHILE directive in the execution language needs to
@ -642,7 +642,7 @@ typedef struct VDESC {
typedef struct WHBLOCK {
LINE *w_begin; /* ptr to !while statement */
LINE *w_end; /* ptr to the !endwhile statement*/
LINE *w_end; /* ptr to the !endwhile statement */
int w_type; /* block type */
struct WHBLOCK *w_next; /* next while */
} WHBLOCK;
@ -678,30 +678,30 @@ typedef struct WHBLOCK {
* Defines for the metacharacters in the regular expression
* search routines.
*/
#define MCNIL 0 /* Like the '\0' for strings.*/
#define LITCHAR 1 /* Literal character, or string.*/
#define MCNIL 0 /* Like the '\0' for strings. */
#define LITCHAR 1 /* Literal character, or string. */
#define ANY 2
#define CCL 3
#define NCCL 4
#define BOL 5
#define EOL 6
#define DITTO 7
#define CLOSURE 256 /* An or-able value.*/
#define CLOSURE 256 /* An or-able value. */
#define MASKCL CLOSURE - 1
#define MC_ANY '.' /* 'Any' character (except newline).*/
#define MC_CCL '[' /* Character class.*/
#define MC_NCCL '^' /* Negate character class.*/
#define MC_RCCL '-' /* Range in character class.*/
#define MC_ECCL ']' /* End of character class.*/
#define MC_BOL '^' /* Beginning of line.*/
#define MC_EOL '$' /* End of line.*/
#define MC_CLOSURE '*' /* Closure - does not extend past newline.*/
#define MC_DITTO '&' /* Use matched string in replacement.*/
#define MC_ESC '\\' /* Escape - suppress meta-meaning.*/
#define MC_ANY '.' /* 'Any' character (except newline). */
#define MC_CCL '[' /* Character class. */
#define MC_NCCL '^' /* Negate character class. */
#define MC_RCCL '-' /* Range in character class. */
#define MC_ECCL ']' /* End of character class. */
#define MC_BOL '^' /* Beginning of line. */
#define MC_EOL '$' /* End of line. */
#define MC_CLOSURE '*' /* Closure - does not extend past newline. */
#define MC_DITTO '&' /* Use matched string in replacement. */
#define MC_ESC '\\' /* Escape - suppress meta-meaning. */
#define BIT(n) (1 << (n)) /* An integer with one bit set.*/
#define CHCASE(c) ((c) ^ DIFCASE) /* Toggle the case of a letter.*/
#define BIT(n) (1 << (n)) /* An integer with one bit set. */
#define CHCASE(c) ((c) ^ DIFCASE) /* Toggle the case of a letter. */
/* HICHAR - 1 is the largest character we will deal with.
* HIBYTE represents the number of bytes in the bitmap.
@ -713,19 +713,18 @@ typedef struct WHBLOCK {
* the meta-character structure for MAGIC mode searching (MC),
* and the meta-character structure for MAGIC mode replacment (RMC).
*/
typedef char *BITMAP;
typedef char *BITMAP;
typedef struct {
short int mc_type;
typedef struct {
short int mc_type;
union {
int lchar;
BITMAP cclmap;
int lchar;
BITMAP cclmap;
} u;
} MC;
typedef struct {
short int mc_type;
char *rstr;
typedef struct {
short int mc_type;
char *rstr;
} RMC;
#endif

962
eval.c
View File

File diff suppressed because it is too large Load Diff

18
evar.h
View File

@ -9,15 +9,15 @@
/* structure to hold user variables and their definitions */
typedef struct UVAR {
char u_name[NVSIZE + 1]; /* name of user variable */
char *u_value; /* value (string) */
char u_name[NVSIZE + 1]; /* name of user variable */
char *u_value; /* value (string) */
} UVAR;
/* current user variables (This structure will probably change) */
#define MAXVARS 255
UVAR uv[MAXVARS + 1]; /* user variables */
UVAR uv[MAXVARS + 1]; /* user variables */
/* list of recognized environment variables */
@ -116,8 +116,8 @@ char *envars[] = {
/* list of recognized user functions */
typedef struct UFUNC {
char *f_name; /* name of function */
int f_type; /* 1 = monamic, 2 = dynamic */
char *f_name; /* name of function */
int f_type; /* 1 = monamic, 2 = dynamic */
} UFUNC;
#define NILNAMIC 0
@ -145,7 +145,7 @@ UFUNC funcs[] = {
"sgr", DYNAMIC, /* string logical greater than */
"ind", MONAMIC, /* evaluate indirect value */
"and", DYNAMIC, /* logical and */
"or", DYNAMIC, /* logical or */
"or", DYNAMIC, /* logical or */
"len", MONAMIC, /* string length */
"upp", MONAMIC, /* uppercase string */
"low", MONAMIC, /* lower case string */
@ -160,9 +160,9 @@ UFUNC funcs[] = {
"bin", MONAMIC, /* loopup what function name is bound to a key */
"exi", MONAMIC, /* check if a file exists */
"fin", MONAMIC, /* look for a file on the path... */
"ban", DYNAMIC, /* bitwise and 9-10-87 jwm */
"bor", DYNAMIC, /* bitwise or 9-10-87 jwm */
"bxo", DYNAMIC, /* bitwise xor 9-10-87 jwm */
"ban", DYNAMIC, /* bitwise and 9-10-87 jwm */
"bor", DYNAMIC, /* bitwise or 9-10-87 jwm */
"bxo", DYNAMIC, /* bitwise xor 9-10-87 jwm */
"bno", MONAMIC, /* bitwise not */
"xla", TRINAMIC, /* XLATE character string translation */
};

424
exec.c
View File

File diff suppressed because it is too large Load Diff

566
file.c
View File

@ -20,14 +20,14 @@
*/
fileread(f, n)
{
register int s;
char fname[NFILEN];
register int s;
char fname[NFILEN];
if (restflag) /* don't allow this command if restricted */
return(resterr());
if ((s=mlreply("Read file: ", fname, NFILEN)) != TRUE)
return(s);
return(readin(fname, TRUE));
return (resterr());
if ((s = mlreply("Read file: ", fname, NFILEN)) != TRUE)
return (s);
return (readin(fname, TRUE));
}
/*
@ -39,18 +39,18 @@ fileread(f, n)
*/
insfile(f, n)
{
register int s;
register int s;
char fname[NFILEN];
if (restflag) /* don't allow this command if restricted */
return(resterr());
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if ((s=mlreply("Insert file: ", fname, NFILEN)) != TRUE)
return(s);
if ((s=ifile(fname)) != TRUE)
return(s);
return(reposition(TRUE, -1));
return (resterr());
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if ((s = mlreply("Insert file: ", fname, NFILEN)) != TRUE)
return (s);
if ((s = ifile(fname)) != TRUE)
return (s);
return (reposition(TRUE, -1));
}
/*
@ -64,28 +64,28 @@ insfile(f, n)
*/
filefind(f, n)
{
char fname[NFILEN]; /* file user wishes to find */
register int s; /* status return */
char fname[NFILEN]; /* file user wishes to find */
register int s; /* status return */
if (restflag) /* don't allow this command if restricted */
return(resterr());
if ((s=mlreply("Find file: ", fname, NFILEN)) != TRUE)
return(s);
return(getfile(fname, TRUE));
return (resterr());
if ((s = mlreply("Find file: ", fname, NFILEN)) != TRUE)
return (s);
return (getfile(fname, TRUE));
}
viewfile(f, n) /* visit a file in VIEW mode */
{
char fname[NFILEN]; /* file user wishes to find */
register int s; /* status return */
viewfile(f, n)
{ /* visit a file in VIEW mode */
char fname[NFILEN]; /* file user wishes to find */
register int s; /* status return */
register WINDOW *wp; /* scan for windows that need updating */
if (restflag) /* don't allow this command if restricted */
return(resterr());
if ((s=mlreply("View file: ", fname, NFILEN)) != TRUE)
return (s);
return (resterr());
if ((s = mlreply("View file: ", fname, NFILEN)) != TRUE)
return (s);
s = getfile(fname, FALSE);
if (s) { /* if we succeed, put it in view mode */
if (s) { /* if we succeed, put it in view mode */
curwp->w_bufp->b_mode |= MDVIEW;
/* scan through and update mode lines of all windows */
@ -95,14 +95,13 @@ viewfile(f, n) /* visit a file in VIEW mode */
wp = wp->w_wndp;
}
}
return(s);
return (s);
}
#if CRYPT
resetkey() /* reset the encryption key if needed */
{
register int s; /* return status */
resetkey()
{ /* reset the encryption key if needed */
register int s; /* return status */
/* turn off the encryption flag */
cryptflag = FALSE;
@ -112,7 +111,7 @@ resetkey() /* reset the encryption key if needed */
if (curbp->b_key[0] == 0) {
s = setkey(FALSE, 0);
if (s != TRUE)
return(s);
return (s);
}
/* let others know... */
@ -120,72 +119,73 @@ resetkey() /* reset the encryption key if needed */
/* and set up the key to be used! */
/* de-encrypt it */
crypt((char *)NULL, 0);
crypt((char *) NULL, 0);
crypt(curbp->b_key, strlen(curbp->b_key));
/* re-encrypt it...seeding it to start */
crypt((char *)NULL, 0);
crypt((char *) NULL, 0);
crypt(curbp->b_key, strlen(curbp->b_key));
}
return(TRUE);
return (TRUE);
}
#endif
getfile(fname, lockfl)
char fname[]; /* file name to find */
int lockfl; /* check the file for locks? */
char fname[]; /* file name to find */
int lockfl; /* check the file for locks? */
{
register BUFFER *bp;
register LINE *lp;
register int i;
register int s;
char bname[NBUFN]; /* buffer name to put file */
register BUFFER *bp;
register LINE *lp;
register int i;
register int s;
char bname[NBUFN]; /* buffer name to put file */
#if MSDOS
mklower(fname); /* msdos isn't case sensitive */
#endif
for (bp=bheadp; bp!=NULL; bp=bp->b_bufp) {
if ((bp->b_flag&BFINVS)==0 && strcmp(bp->b_fname, fname)==0) {
for (bp = bheadp; bp != NULL; bp = bp->b_bufp) {
if ((bp->b_flag & BFINVS) == 0
&& strcmp(bp->b_fname, fname) == 0) {
swbuffer(bp);
lp = curwp->w_dotp;
i = curwp->w_ntrows/2;
while (i-- && lback(lp)!=curbp->b_linep)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_flag |= WFMODE|WFHARD;
lp = curwp->w_dotp;
i = curwp->w_ntrows / 2;
while (i-- && lback(lp) != curbp->b_linep)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_flag |= WFMODE | WFHARD;
cknewwindow();
mlwrite("(Old buffer)");
return (TRUE);
}
}
makename(bname, fname); /* New buffer name. */
while ((bp=bfind(bname, FALSE, 0)) != NULL) {
return (TRUE);
}
}
makename(bname, fname); /* New buffer name. */
while ((bp = bfind(bname, FALSE, 0)) != NULL) {
/* old buffer name conflict code */
s = mlreply("Buffer name: ", bname, NBUFN);
if (s == ABORT) /* ^G to just quit */
return (s);
if (s == FALSE) { /* CR to clobber it */
makename(bname, fname);
break;
}
}
if (bp==NULL && (bp=bfind(bname, TRUE, 0))==NULL) {
mlwrite("Cannot create buffer");
return (FALSE);
}
if (--curbp->b_nwnd == 0) { /* Undisplay. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
curbp = bp; /* Switch to it. */
curwp->w_bufp = bp;
curbp->b_nwnd++;
s = readin(fname, lockfl); /* Read it in. */
s = mlreply("Buffer name: ", bname, NBUFN);
if (s == ABORT) /* ^G to just quit */
return (s);
if (s == FALSE) { /* CR to clobber it */
makename(bname, fname);
break;
}
}
if (bp == NULL && (bp = bfind(bname, TRUE, 0)) == NULL) {
mlwrite("Cannot create buffer");
return (FALSE);
}
if (--curbp->b_nwnd == 0) { /* Undisplay. */
curbp->b_dotp = curwp->w_dotp;
curbp->b_doto = curwp->w_doto;
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
}
curbp = bp; /* Switch to it. */
curwp->w_bufp = bp;
curbp->b_nwnd++;
s = readin(fname, lockfl); /* Read it in. */
cknewwindow();
return s;
}
@ -201,19 +201,19 @@ int lockfl; /* check the file for locks? */
readin(fname, lockfl)
char fname[]; /* name of file to read */
int lockfl; /* check for file locks? */
char fname[]; /* name of file to read */
int lockfl; /* check for file locks? */
{
register LINE *lp1;
register LINE *lp2;
register int i;
register WINDOW *wp;
register BUFFER *bp;
register int s;
register int nbytes;
register int nline;
int lflag; /* any lines longer than allowed? */
register LINE *lp1;
register LINE *lp2;
register int i;
register WINDOW *wp;
register BUFFER *bp;
register int s;
register int nbytes;
register int nline;
int lflag; /* any lines longer than allowed? */
char mesg[NSTRING];
#if (FILOCK && BSD) || SVR4
@ -226,62 +226,62 @@ int lockfl; /* check for file locks? */
goto out;
}
#else
return(ABORT);
return (ABORT);
#endif
#endif
#if CRYPT
s = resetkey();
if (s != TRUE)
return(s);
return (s);
#endif
bp = curbp; /* Cheap. */
if ((s=bclear(bp)) != TRUE) /* Might be old. */
return (s);
bp->b_flag &= ~(BFINVS|BFCHG);
strcpy(bp->b_fname, fname);
bp = curbp; /* Cheap. */
if ((s = bclear(bp)) != TRUE) /* Might be old. */
return (s);
bp->b_flag &= ~(BFINVS | BFCHG);
strcpy(bp->b_fname, fname);
/* let a user macro get hold of things...if he wants */
execute(META|SPEC|'R', FALSE, 1);
execute(META | SPEC | 'R', FALSE, 1);
/* turn off ALL keyboard translation in case we get a dos error */
TTkclose();
if ((s=ffropen(fname)) == FIOERR) /* Hard file open. */
goto out;
if ((s = ffropen(fname)) == FIOERR) /* Hard file open. */
goto out;
if (s == FIOFNF) { /* File not found. */
if (s == FIOFNF) { /* File not found. */
mlwrite("(New file)");
goto out;
}
goto out;
}
/* read the file in */
mlwrite("(Reading file)");
nline = 0;
nline = 0;
lflag = FALSE;
while ((s=ffgetline()) == FIOSUC) {
nbytes = strlen(fline);
if ((lp1=lalloc(nbytes)) == NULL) {
s = FIOMEM; /* Keep message on the */
break; /* display. */
}
while ((s = ffgetline()) == FIOSUC) {
nbytes = strlen(fline);
if ((lp1 = lalloc(nbytes)) == NULL) {
s = FIOMEM; /* Keep message on the */
break; /* display. */
}
#if PKCODE
if (nline > MAXNLINE) {
s = FIOMEM;
break;
}
#endif
lp2 = lback(curbp->b_linep);
lp2->l_fp = lp1;
lp1->l_fp = curbp->b_linep;
lp1->l_bp = lp2;
curbp->b_linep->l_bp = lp1;
for (i=0; i<nbytes; ++i)
lputc(lp1, i, fline[i]);
++nline;
}
ffclose(); /* Ignore errors. */
lp2 = lback(curbp->b_linep);
lp2->l_fp = lp1;
lp1->l_fp = curbp->b_linep;
lp1->l_bp = lp2;
curbp->b_linep->l_bp = lp1;
for (i = 0; i < nbytes; ++i)
lputc(lp1, i, fline[i]);
++nline;
}
ffclose(); /* Ignore errors. */
strcpy(mesg, "(");
if (s==FIOERR) {
if (s == FIOERR) {
strcat(mesg, "I/O ERROR, ");
curbp->b_flag |= BFTRUNC;
}
@ -290,30 +290,30 @@ int lockfl; /* check for file locks? */
curbp->b_flag |= BFTRUNC;
}
sprintf(&mesg[strlen(mesg)], "Read %d line", nline);
if (nline != 1)
if (nline != 1)
strcat(mesg, "s");
strcat(mesg, ")");
mlwrite(mesg);
out:
TTkopen(); /* open the keyboard again */
for (wp=wheadp; wp!=NULL; wp=wp->w_wndp) {
if (wp->w_bufp == curbp) {
wp->w_linep = lforw(curbp->b_linep);
wp->w_dotp = lforw(curbp->b_linep);
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_flag |= WFMODE|WFHARD;
}
}
if (s == FIOERR || s == FIOFNF) /* False if error. */
return(FALSE);
out:
TTkopen(); /* open the keyboard again */
for (wp = wheadp; wp != NULL; wp = wp->w_wndp) {
if (wp->w_bufp == curbp) {
wp->w_linep = lforw(curbp->b_linep);
wp->w_dotp = lforw(curbp->b_linep);
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_flag |= WFMODE | WFHARD;
}
}
if (s == FIOERR || s == FIOFNF) /* False if error. */
return (FALSE);
#if 0
if (s == ABORT)
return(ABORT);
return (ABORT);
#endif
return (TRUE);
return (TRUE);
}
/*
@ -324,41 +324,43 @@ out:
* a better place than a line of code.
*/
makename(bname, fname)
char bname[];
char fname[];
char bname[];
char fname[];
{
register char *cp1;
register char *cp2;
register char *cp1;
register char *cp2;
cp1 = &fname[0];
while (*cp1 != 0)
++cp1;
cp1 = &fname[0];
while (*cp1 != 0)
++cp1;
#if VMS
#if PKCODE
while (cp1!=&fname[0] && cp1[-1]!=':' && cp1[-1]!=']' && cp1[-1]!='>')
while (cp1 != &fname[0] && cp1[-1] != ':' && cp1[-1] != ']'
&& cp1[-1] != '>')
#else
while (cp1!=&fname[0] && cp1[-1]!=':' && cp1[-1]!=']')
while (cp1 != &fname[0] && cp1[-1] != ':' && cp1[-1] != ']')
#endif
--cp1;
--cp1;
#endif
#if MSDOS
while (cp1!=&fname[0] && cp1[-1]!=':' && cp1[-1]!='\\'&&cp1[-1]!='/')
--cp1;
while (cp1 != &fname[0] && cp1[-1] != ':' && cp1[-1] != '\\'
&& cp1[-1] != '/')
--cp1;
#endif
#if V7 | USG | BSD
while (cp1!=&fname[0] && cp1[-1]!='/')
--cp1;
while (cp1 != &fname[0] && cp1[-1] != '/')
--cp1;
#endif
cp2 = &bname[0];
while (cp2!=&bname[NBUFN-1] && *cp1!=0 && *cp1!=';')
*cp2++ = *cp1++;
*cp2 = 0;
cp2 = &bname[0];
while (cp2 != &bname[NBUFN - 1] && *cp1 != 0 && *cp1 != ';')
*cp2++ = *cp1++;
*cp2 = 0;
}
unqname(name) /* make sure a buffer name is unique */
char *name; /* name to check on */
unqname(name)
/* make sure a buffer name is unique */
char *name; /* name to check on */
{
register char *sp;
@ -370,7 +372,7 @@ char *name; /* name to check on */
sp = name;
while (*sp)
++sp;
if (sp == name || (*(sp-1) <'0' || *(sp-1) > '8')) {
if (sp == name || (*(sp - 1) < '0' || *(sp - 1) > '8')) {
*sp++ = '0';
*sp = 0;
} else
@ -389,25 +391,25 @@ char *name; /* name to check on */
*/
filewrite(f, n)
{
register WINDOW *wp;
register int s;
char fname[NFILEN];
register WINDOW *wp;
register int s;
char fname[NFILEN];
if (restflag) /* don't allow this command if restricted */
return(resterr());
if ((s=mlreply("Write file: ", fname, NFILEN)) != TRUE)
return (s);
if ((s=writeout(fname)) == TRUE) {
strcpy(curbp->b_fname, fname);
curbp->b_flag &= ~BFCHG;
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
}
return (s);
return (resterr());
if ((s = mlreply("Write file: ", fname, NFILEN)) != TRUE)
return (s);
if ((s = writeout(fname)) == TRUE) {
strcpy(curbp->b_fname, fname);
curbp->b_flag &= ~BFCHG;
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
}
return (s);
}
/*
@ -420,36 +422,36 @@ filewrite(f, n)
*/
filesave(f, n)
{
register WINDOW *wp;
register int s;
register WINDOW *wp;
register int s;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if ((curbp->b_flag&BFCHG) == 0) /* Return, no changes. */
return (TRUE);
if (curbp->b_fname[0] == 0) { /* Must have a name. */
mlwrite("No file name");
return (FALSE);
}
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if ((curbp->b_flag & BFCHG) == 0) /* Return, no changes. */
return (TRUE);
if (curbp->b_fname[0] == 0) { /* Must have a name. */
mlwrite("No file name");
return (FALSE);
}
/* complain about truncated files */
if ((curbp->b_flag&BFTRUNC) != 0) {
if ((curbp->b_flag & BFTRUNC) != 0) {
if (mlyesno("Truncated file ... write it out") == FALSE) {
mlwrite("(Aborted)");
return(FALSE);
return (FALSE);
}
}
if ((s=writeout(curbp->b_fname)) == TRUE) {
curbp->b_flag &= ~BFCHG;
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
}
return (s);
if ((s = writeout(curbp->b_fname)) == TRUE) {
curbp->b_flag &= ~BFCHG;
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
}
return (s);
}
/*
@ -461,47 +463,47 @@ filesave(f, n)
* checking of some sort.
*/
writeout(fn)
char *fn;
char *fn;
{
register int s;
register LINE *lp;
register int nline;
register int s;
register LINE *lp;
register int nline;
#if CRYPT
s = resetkey();
if (s != TRUE)
return(s);
return (s);
#endif
/* turn off ALL keyboard translation in case we get a dos error */
TTkclose();
if ((s=ffwopen(fn)) != FIOSUC) { /* Open writes message. */
if ((s = ffwopen(fn)) != FIOSUC) { /* Open writes message. */
TTkopen();
return (FALSE);
}
mlwrite("(Writing...)"); /* tell us were writing */
lp = lforw(curbp->b_linep); /* First line. */
nline = 0; /* Number of lines. */
while (lp != curbp->b_linep) {
if ((s=ffputline(&lp->l_text[0], llength(lp))) != FIOSUC)
break;
++nline;
lp = lforw(lp);
}
if (s == FIOSUC) { /* No write error. */
s = ffclose();
if (s == FIOSUC) { /* No close error. */
if (nline == 1)
return (FALSE);
}
mlwrite("(Writing...)"); /* tell us were writing */
lp = lforw(curbp->b_linep); /* First line. */
nline = 0; /* Number of lines. */
while (lp != curbp->b_linep) {
if ((s = ffputline(&lp->l_text[0], llength(lp))) != FIOSUC)
break;
++nline;
lp = lforw(lp);
}
if (s == FIOSUC) { /* No write error. */
s = ffclose();
if (s == FIOSUC) { /* No close error. */
if (nline == 1)
mlwrite("(Wrote 1 line)");
else
else
mlwrite("(Wrote %d lines)", nline);
}
} else /* Ignore close error */
ffclose(); /* if a write error. */
}
} else /* Ignore close error */
ffclose(); /* if a write error. */
TTkopen();
if (s != FIOSUC) /* Some sort of error. */
return (FALSE);
return (TRUE);
if (s != FIOSUC) /* Some sort of error. */
return (FALSE);
return (TRUE);
}
/*
@ -515,26 +517,26 @@ char *fn;
*/
filename(f, n)
{
register WINDOW *wp;
register int s;
char fname[NFILEN];
register WINDOW *wp;
register int s;
char fname[NFILEN];
if (restflag) /* don't allow this command if restricted */
return(resterr());
if ((s=mlreply("Name: ", fname, NFILEN)) == ABORT)
return (s);
if (s == FALSE)
strcpy(curbp->b_fname, "");
else
strcpy(curbp->b_fname, fname);
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
return (resterr());
if ((s = mlreply("Name: ", fname, NFILEN)) == ABORT)
return (s);
if (s == FALSE)
strcpy(curbp->b_fname, "");
else
strcpy(curbp->b_fname, fname);
wp = wheadp; /* Update mode lines. */
while (wp != NULL) {
if (wp->w_bufp == curbp)
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
curbp->b_mode &= ~MDVIEW; /* no longer read only mode */
return (TRUE);
return (TRUE);
}
/*
@ -543,34 +545,34 @@ filename(f, n)
* status of the read.
*/
ifile(fname)
char fname[];
char fname[];
{
register LINE *lp0;
register LINE *lp1;
register LINE *lp2;
register int i;
register BUFFER *bp;
register int s;
register int nbytes;
register int nline;
int lflag; /* any lines longer than allowed? */
register LINE *lp0;
register LINE *lp1;
register LINE *lp2;
register int i;
register BUFFER *bp;
register int s;
register int nbytes;
register int nline;
int lflag; /* any lines longer than allowed? */
char mesg[NSTRING];
bp = curbp; /* Cheap. */
bp->b_flag |= BFCHG; /* we have changed */
bp->b_flag &= ~BFINVS; /* and are not temporary*/
if ((s=ffropen(fname)) == FIOERR) /* Hard file open. */
goto out;
if (s == FIOFNF) { /* File not found. */
bp = curbp; /* Cheap. */
bp->b_flag |= BFCHG; /* we have changed */
bp->b_flag &= ~BFINVS; /* and are not temporary */
if ((s = ffropen(fname)) == FIOERR) /* Hard file open. */
goto out;
if (s == FIOFNF) { /* File not found. */
mlwrite("(No such file)");
return(FALSE);
}
return (FALSE);
}
mlwrite("(Inserting file)");
#if CRYPT
s = resetkey();
if (s != TRUE)
return(s);
return (s);
#endif
/* back up a line and save the mark here */
curwp->w_dotp = lback(curwp->w_dotp);
@ -578,14 +580,14 @@ char fname[];
curwp->w_markp = curwp->w_dotp;
curwp->w_marko = 0;
nline = 0;
nline = 0;
lflag = FALSE;
while ((s=ffgetline()) == FIOSUC) {
nbytes = strlen(fline);
if ((lp1=lalloc(nbytes)) == NULL) {
s = FIOMEM; /* Keep message on the */
break; /* display. */
}
while ((s = ffgetline()) == FIOSUC) {
nbytes = strlen(fline);
if ((lp1 = lalloc(nbytes)) == NULL) {
s = FIOMEM; /* Keep message on the */
break; /* display. */
}
lp0 = curwp->w_dotp; /* line previous to insert */
lp2 = lp0->l_fp; /* line after insert */
@ -597,14 +599,14 @@ char fname[];
/* and advance and write out the current line */
curwp->w_dotp = lp1;
for (i=0; i<nbytes; ++i)
lputc(lp1, i, fline[i]);
++nline;
}
ffclose(); /* Ignore errors. */
for (i = 0; i < nbytes; ++i)
lputc(lp1, i, fline[i]);
++nline;
}
ffclose(); /* Ignore errors. */
curwp->w_markp = lforw(curwp->w_markp);
strcpy(mesg, "(");
if (s==FIOERR) {
if (s == FIOERR) {
strcat(mesg, "I/O ERROR, ");
curbp->b_flag |= BFTRUNC;
}
@ -613,12 +615,12 @@ char fname[];
curbp->b_flag |= BFTRUNC;
}
sprintf(&mesg[strlen(mesg)], "Inserted %d line", nline);
if (nline > 1)
if (nline > 1)
strcat(mesg, "s");
strcat(mesg, ")");
mlwrite(mesg);
out:
out:
/* advance to the next line and mark the window for changes */
curwp->w_dotp = lforw(curwp->w_dotp);
curwp->w_flag |= WFHARD | WFMODE;
@ -629,7 +631,7 @@ out:
curbp->b_markp = curwp->w_markp;
curbp->b_marko = curwp->w_marko;
if (s == FIOERR) /* False if error. */
return (FALSE);
return (TRUE);
if (s == FIOERR) /* False if error. */
return (FALSE);
return (TRUE);
}

168
fileio.c
View File

@ -14,19 +14,19 @@
extern int nullflag;
#endif
FILE *ffp; /* File pointer, all functions. */
int eofflag; /* end-of-file flag */
FILE *ffp; /* File pointer, all functions. */
int eofflag; /* end-of-file flag */
/*
* Open a file for reading.
*/
ffropen(fn)
char *fn;
char *fn;
{
if ((ffp=fopen(fn, "r")) == NULL)
return (FIOFNF);
if ((ffp = fopen(fn, "r")) == NULL)
return (FIOFNF);
eofflag = FALSE;
return (FIOSUC);
return (FIOSUC);
}
/*
@ -34,20 +34,20 @@ char *fn;
* (cannot create).
*/
ffwopen(fn)
char *fn;
char *fn;
{
#if VMS
register int fd;
register int fd;
if ((fd=creat(fn, 0666, "rfm=var", "rat=cr")) < 0
|| (ffp=fdopen(fd, "w")) == NULL) {
if ((fd = creat(fn, 0666, "rfm=var", "rat=cr")) < 0
|| (ffp = fdopen(fd, "w")) == NULL) {
#else
if ((ffp=fopen(fn, "w")) == NULL) {
if ((ffp = fopen(fn, "w")) == NULL) {
#endif
mlwrite("Cannot open file for writing");
return (FIOERR);
}
return (FIOSUC);
mlwrite("Cannot open file for writing");
return (FIOERR);
}
return (FIOSUC);
}
/*
@ -65,16 +65,16 @@ ffclose()
#if MSDOS & CTRLZ
fputc(26, ffp); /* add a ^Z at the end of the file */
#endif
#if V7 | USG | BSD | (MSDOS & (MSC | TURBO))
if (fclose(ffp) != FALSE) {
mlwrite("Error closing file");
return(FIOERR);
}
return(FIOSUC);
if (fclose(ffp) != FALSE) {
mlwrite("Error closing file");
return (FIOERR);
}
return (FIOSUC);
#else
fclose(ffp);
return (FIOSUC);
fclose(ffp);
return (FIOSUC);
#endif
}
@ -84,34 +84,34 @@ ffclose()
* Check only at the newline.
*/
ffputline(buf, nbuf)
char buf[];
char buf[];
{
register int i;
register int i;
#if CRYPT
char c; /* character to translate */
char c; /* character to translate */
if (cryptflag) {
for (i = 0; i < nbuf; ++i) {
for (i = 0; i < nbuf; ++i) {
c = buf[i] & 0xff;
crypt(&c, 1);
fputc(c, ffp);
}
} else
for (i = 0; i < nbuf; ++i)
fputc(buf[i]&0xFF, ffp);
for (i = 0; i < nbuf; ++i)
fputc(buf[i] & 0xFF, ffp);
#else
for (i = 0; i < nbuf; ++i)
fputc(buf[i]&0xFF, ffp);
for (i = 0; i < nbuf; ++i)
fputc(buf[i] & 0xFF, ffp);
#endif
fputc('\n', ffp);
fputc('\n', ffp);
if (ferror(ffp)) {
mlwrite("Write I/O error");
return (FIOERR);
}
if (ferror(ffp)) {
mlwrite("Write I/O error");
return (FIOERR);
}
return (FIOSUC);
return (FIOSUC);
}
/*
@ -121,15 +121,14 @@ char buf[];
* errors too. Return status.
*/
ffgetline()
{
register int c; /* current character read */
register int i; /* current index into fline */
register int c; /* current character read */
register int i; /* current index into fline */
register char *tmpline; /* temp storage for expanding line */
/* if we are at the end...return it */
if (eofflag)
return(FIOEOF);
return (FIOEOF);
/* dump fline if it ended up too big */
if (flen > NSTRING) {
@ -140,77 +139,76 @@ ffgetline()
/* if we don't have an fline, allocate one */
if (fline == NULL)
if ((fline = malloc(flen = NSTRING)) == NULL)
return(FIOMEM);
return (FIOMEM);
/* read the line in */
#if PKCODE
if (!nullflag) {
if (fgets(fline, NSTRING, ffp) == (char *)NULL) { /* EOF ? */
i = 0;
c = EOF;
}
else {
i = strlen(fline);
c = 0;
if (i > 0) {
c = fline[i-1];
i--;
if (fgets(fline, NSTRING, ffp) == (char *) NULL) { /* EOF ? */
i = 0;
c = EOF;
} else {
i = strlen(fline);
c = 0;
if (i > 0) {
c = fline[i - 1];
i--;
}
}
}
}
else {
} else {
i = 0;
c = fgetc(ffp);
}
while (c != EOF && c != '\n') {
#else
i = 0;
while ((c = fgetc(ffp)) != EOF && c != '\n') {
i = 0;
while ((c = fgetc(ffp)) != EOF && c != '\n') {
#endif
#if PKCODE
if (c) {
if (c) {
#endif
fline[i++] = c;
/* if it's longer, get more room */
if (i >= flen) {
if ((tmpline = malloc(flen+NSTRING)) == NULL)
return(FIOMEM);
strncpy(tmpline, fline, flen);
flen += NSTRING;
free(fline);
fline = tmpline;
}
fline[i++] = c;
/* if it's longer, get more room */
if (i >= flen) {
if ((tmpline =
malloc(flen + NSTRING)) == NULL)
return (FIOMEM);
strncpy(tmpline, fline, flen);
flen += NSTRING;
free(fline);
fline = tmpline;
}
#if PKCODE
}
}
c = fgetc(ffp);
#endif
}
}
/* test for any errors that may have occured */
if (c == EOF) {
if (ferror(ffp)) {
mlwrite("File read error");
return(FIOERR);
}
if (c == EOF) {
if (ferror(ffp)) {
mlwrite("File read error");
return (FIOERR);
}
if (i != 0)
if (i != 0)
eofflag = TRUE;
else
return(FIOEOF);
}
return (FIOEOF);
}
/* terminate and decrypt the string */
fline[i] = 0;
fline[i] = 0;
#if CRYPT
if (cryptflag)
crypt(fline, strlen(fline));
#endif
return(FIOSUC);
return (FIOSUC);
}
int fexist(fname) /* does <fname> exist on disk? */
char *fname; /* file to check for existance */
int fexist(fname)
/* does <fname> exist on disk? */
char *fname; /* file to check for existance */
{
FILE *fp;
@ -220,9 +218,9 @@ char *fname; /* file to check for existance */
/* if it fails, just return false! */
if (fp == NULL)
return(FALSE);
return (FALSE);
/* otherwise, close it and report true */
fclose(fp);
return(TRUE);
return (TRUE);
}

323
ibmpc.c
View File

@ -8,7 +8,7 @@
* modified by Petri Kutvonen
*/
#define termdef 1 /* don't define "term" external */
#define termdef 1 /* don't define "term" external */
#include <stdio.h>
#include "estruct.h"
@ -18,80 +18,80 @@
#if PKCODE
#define NROW 50
#else
#define NROW 43 /* Max Screen size. */
#define NROW 43 /* Max Screen size. */
#endif
#define NCOL 80 /* Edit if you want to. */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define NPAUSE 200 /* # times thru update to pause */
#define BEL 0x07 /* BEL character. */
#define ESC 0x1B /* ESC character. */
#define SPACE 32 /* space character */
#define NCOL 80 /* Edit if you want to. */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define NPAUSE 200 /* # times thru update to pause */
#define BEL 0x07 /* BEL character. */
#define ESC 0x1B /* ESC character. */
#define SPACE 32 /* space character */
#define SCADC 0xb8000000L /* CGA address of screen RAM */
#define SCADM 0xb0000000L /* MONO address of screen RAM */
#define SCADE 0xb8000000L /* EGA address of screen RAM */
#define SCADC 0xb8000000L /* CGA address of screen RAM */
#define SCADM 0xb0000000L /* MONO address of screen RAM */
#define SCADE 0xb8000000L /* EGA address of screen RAM */
#define MONOCRSR 0x0B0D /* monochrome cursor */
#define CGACRSR 0x0607 /* CGA cursor */
#define EGACRSR 0x0709 /* EGA cursor */
#define MONOCRSR 0x0B0D /* monochrome cursor */
#define CGACRSR 0x0607 /* CGA cursor */
#define EGACRSR 0x0709 /* EGA cursor */
#define CDCGA 0 /* color graphics card */
#define CDMONO 1 /* monochrome text card */
#define CDEGA 2 /* EGA color adapter */
#define CDCGA 0 /* color graphics card */
#define CDMONO 1 /* monochrome text card */
#define CDEGA 2 /* EGA color adapter */
#if PKCODE
#define CDVGA 3
#endif
#define CDSENSE 9 /* detect the card type */
#define CDSENSE 9 /* detect the card type */
#if PKCODE
#define NDRIVE 4
#else
#define NDRIVE 3 /* number of screen drivers */
#define NDRIVE 3 /* number of screen drivers */
#endif
int dtype = -1; /* current display type */
char drvname[][8] = { /* screen resolution names */
int dtype = -1; /* current display type */
char drvname[][8] = { /* screen resolution names */
"CGA", "MONO", "EGA"
#if PKCODE
,"VGA"
, "VGA"
#endif
};
long scadd; /* address of screen ram */
int *scptr[NROW]; /* pointer to screen lines */
unsigned int sline[NCOL]; /* screen line image */
int egaexist = FALSE; /* is an EGA card available? */
extern union REGS rg; /* cpu register for use of DOS calls */
long scadd; /* address of screen ram */
int *scptr[NROW]; /* pointer to screen lines */
unsigned int sline[NCOL]; /* screen line image */
int egaexist = FALSE; /* is an EGA card available? */
extern union REGS rg; /* cpu register for use of DOS calls */
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int ibmmove();
extern int ibmeeol();
extern int ibmeeop();
extern int ibmbeep();
extern int ibmopen();
extern int ibmrev();
extern int ibmcres();
extern int ibmclose();
extern int ibmputc();
extern int ibmkopen();
extern int ibmkclose();
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int ibmmove();
extern int ibmeeol();
extern int ibmeeop();
extern int ibmbeep();
extern int ibmopen();
extern int ibmrev();
extern int ibmcres();
extern int ibmclose();
extern int ibmputc();
extern int ibmkopen();
extern int ibmkclose();
#if COLOR
extern int ibmfcol();
extern int ibmbcol();
extern int ibmscroll_reg();
extern int ibmfcol();
extern int ibmbcol();
extern int ibmscroll_reg();
int cfcolor = -1; /* current forground color */
int cbcolor = -1; /* current background color */
int ctrans[] = /* ansi to ibm color translation table */
int cfcolor = -1; /* current forground color */
int cbcolor = -1; /* current background color */
int ctrans[] = /* ansi to ibm color translation table */
#if PKCODE
{0, 4, 2, 6, 1, 5, 3, 7, 15};
{ 0, 4, 2, 6, 1, 5, 3, 7, 15 };
#else
{0, 4, 2, 6, 1, 5, 3, 7};
{ 0, 4, 2, 6, 1, 5, 3, 7 };
#endif
#endif
@ -99,51 +99,51 @@ int ctrans[] = /* ansi to ibm color translation table */
* Standard terminal interface dispatch table. Most of the fields point into
* "termio" code.
*/
TERM term = {
NROW-1,
NROW-1,
NCOL,
NCOL,
TERM term = {
NROW - 1,
NROW - 1,
NCOL,
NCOL,
MARGIN,
SCRSIZ,
NPAUSE,
ibmopen,
ibmclose,
ibmopen,
ibmclose,
ibmkopen,
ibmkclose,
ttgetc,
ttgetc,
ibmputc,
ttflush,
ibmmove,
ibmeeol,
ibmeeop,
ibmbeep,
ttflush,
ibmmove,
ibmeeol,
ibmeeop,
ibmbeep,
ibmrev,
ibmcres
#if COLOR
, ibmfcol,
, ibmfcol,
ibmbcol
#endif
#if SCROLLCODE
, ibmscroll_reg
, ibmscroll_reg
#endif
};
#if COLOR
ibmfcol(color) /* set the current output color */
int color; /* color to set */
ibmfcol(color)
/* set the current output color */
int color; /* color to set */
{
cfcolor = ctrans[color];
}
ibmbcol(color) /* set the current background color */
int color; /* color to set */
ibmbcol(color)
/* set the current background color */
int color; /* color to set */
{
cbcolor = ctrans[color];
cbcolor = ctrans[color];
}
#endif
@ -156,14 +156,13 @@ ibmmove(row, col)
int86(0x10, &rg, &rg);
}
ibmeeol() /* erase to the end of the line */
{
ibmeeol()
{ /* erase to the end of the line */
unsigned int attr; /* attribute byte mask to place in RAM */
unsigned int *lnptr; /* pointer to the destination line */
int i;
int ccol; /* current column cursor lives */
int crow; /* row */
int ccol; /* current column cursor lives */
int crow; /* row */
/* find the current cursor position */
rg.h.ah = 3; /* read cursor position function code */
@ -182,27 +181,25 @@ ibmeeol() /* erase to the end of the line */
attr = 0x0700;
#endif
lnptr = &sline[0];
for (i=0; i < term.t_ncol; i++)
for (i = 0; i < term.t_ncol; i++)
*lnptr++ = SPACE | attr;
if (flickcode && (dtype == CDCGA)) {
/* wait for vertical retrace to be off */
while ((inp(0x3da) & 8))
;
while ((inp(0x3da) & 8));
/* and to be back on */
while ((inp(0x3da) & 8) == 0)
;
while ((inp(0x3da) & 8) == 0);
}
/* and send the string out */
movmem(&sline[0], scptr[crow]+ccol, (term.t_ncol-ccol)*2);
movmem(&sline[0], scptr[crow] + ccol, (term.t_ncol - ccol) * 2);
}
ibmputc(ch) /* put a character at the current position in the
current colors */
ibmputc(ch)
/* put a character at the current position in the
current colors */
int ch;
{
@ -227,10 +224,11 @@ ibmeeop()
rg.h.al = 0; /* # lines to scroll (clear it) */
rg.x.cx = 0; /* upper left corner of scroll */
rg.x.dx = (term.t_nrow << 8) | (term.t_ncol - 1);
/* lower right corner of scroll */
/* lower right corner of scroll */
#if COLOR
if (dtype != CDMONO)
attr = ((ctrans[gbcolor] & 15) << 4) | (ctrans[gfcolor] & 15);
attr =
((ctrans[gbcolor] & 15) << 4) | (ctrans[gfcolor] & 15);
else
attr = 0;
#else
@ -240,27 +238,27 @@ ibmeeop()
int86(0x10, &rg, &rg);
}
ibmrev(state) /* change reverse video state */
int state; /* TRUE = reverse, FALSE = normal */
ibmrev(state)
/* change reverse video state */
int state; /* TRUE = reverse, FALSE = normal */
{
/* This never gets used under the IBM-PC driver */
}
ibmcres(res) /* change screen resolution */
char *res; /* resolution to change to */
ibmcres(res)
/* change screen resolution */
char *res; /* resolution to change to */
{
int i; /* index */
int i; /* index */
for (i = 0; i < NDRIVE; i++)
if (strcmp(res, drvname[i]) == 0) {
scinit(i);
return(TRUE);
return (TRUE);
}
return(FALSE);
return (FALSE);
}
#if SCROLLCODE
@ -272,19 +270,19 @@ ibmscroll_reg(from, to, howmany)
if (to < from)
for (i = 0; i < howmany; i++)
movmem(scptr[from+i], scptr[to+i], term.t_ncol*2);
else
if (to > from)
for (i = howmany-1; i >= 0; i--)
movmem(scptr[from+i], scptr[to+i], term.t_ncol*2);
movmem(scptr[from + i], scptr[to + i],
term.t_ncol * 2);
else if (to > from)
for (i = howmany - 1; i >= 0; i--)
movmem(scptr[from + i], scptr[to + i],
term.t_ncol * 2);
return;
}
#endif
spal() /* reset the pallette registers */
{
spal()
{ /* reset the pallette registers */
/* nothin here now..... */
}
@ -297,11 +295,10 @@ ibmopen()
{
scinit(CDSENSE);
revexist = TRUE;
ttopen();
ttopen();
}
ibmclose()
{
#if COLOR
ibmfcol(7);
@ -318,19 +315,17 @@ ibmclose()
ttclose();
}
ibmkopen() /* open the keyboard */
{
ibmkopen()
{ /* open the keyboard */
}
ibmkclose() /* close the keyboard */
{
ibmkclose()
{ /* close the keyboard */
}
scinit(type) /* initialize the screen head pointers */
int type; /* type of adapter to init for */
scinit(type)
/* initialize the screen head pointers */
int type; /* type of adapter to init for */
{
union {
@ -345,11 +340,11 @@ int type; /* type of adapter to init for */
/* if we have nothing to do....don't do it */
if (dtype == type)
return(TRUE);
return (TRUE);
/* if we try to switch to EGA and there is none, don't */
if (type == CDEGA && egaexist != TRUE)
return(FALSE);
return (FALSE);
/* if we had the EGA open... close it */
if (dtype == CDEGA)
@ -361,26 +356,26 @@ int type; /* type of adapter to init for */
/* and set up the various parameters as needed */
switch (type) {
case CDMONO: /* Monochrome adapter */
scadd = SCADM;
newsize(TRUE, 25);
break;
case CDMONO: /* Monochrome adapter */
scadd = SCADM;
newsize(TRUE, 25);
break;
case CDCGA: /* Color graphics adapter */
scadd = SCADC;
newsize(TRUE, 25);
break;
case CDCGA: /* Color graphics adapter */
scadd = SCADC;
newsize(TRUE, 25);
break;
case CDEGA: /* Enhanced graphics adapter */
scadd = SCADE;
egaopen();
newsize(TRUE, 43);
break;
case CDVGA: /* Enhanced graphics adapter */
scadd = SCADE;
egaopen();
newsize(TRUE, 50);
break;
case CDEGA: /* Enhanced graphics adapter */
scadd = SCADE;
egaopen();
newsize(TRUE, 43);
break;
case CDVGA: /* Enhanced graphics adapter */
scadd = SCADE;
egaopen();
newsize(TRUE, 50);
break;
}
/* reset the $sres environment variable */
@ -389,10 +384,10 @@ int type; /* type of adapter to init for */
/* initialize the screen pointer array */
for (i = 0; i < NROW; i++) {
addr.laddr = scadd + (long)(NCOL * i * 2);
addr.laddr = scadd + (long) (NCOL * i * 2);
scptr[i] = addr.paddr;
}
return(TRUE);
return (TRUE);
}
/* getboard: Determine which type of display board is attached.
@ -410,9 +405,8 @@ int type; /* type of adapter to init for */
*/
int getboard()
{
int type; /* board type to return */
int type; /* board type to return */
type = CDCGA;
int86(0x11, &rg, &rg);
@ -422,14 +416,13 @@ int getboard()
/* test if EGA present */
rg.x.ax = 0x1200;
rg.x.bx = 0xff10;
int86(0x10,&rg, &rg); /* If EGA, bh=0-1 and bl=0-3 */
int86(0x10, &rg, &rg); /* If EGA, bh=0-1 and bl=0-3 */
egaexist = !(rg.x.bx & 0xfefc); /* Yes, it's EGA */
return(type);
return (type);
}
egaopen() /* init the computer to work with the EGA */
{
egaopen()
{ /* init the computer to work with the EGA */
/* put the beast into EGA 43 row mode */
rg.x.ax = 3;
int86(16, &rg, &rg);
@ -453,19 +446,18 @@ egaopen() /* init the computer to work with the EGA */
}
egaclose()
{
/* put the beast into 80 column mode */
rg.x.ax = 3;
int86(16, &rg, &rg);
}
scwrite(row, outstr, forg, bacg) /* write a line out*/
int row; /* row of screen to place outstr on */
char *outstr; /* string to write out (must be term.t_ncol long) */
int forg; /* forground color of string to write */
int bacg; /* background color */
scwrite(row, outstr, forg, bacg)
/* write a line out */
int row; /* row of screen to place outstr on */
char *outstr; /* string to write out (must be term.t_ncol long) */
int forg; /* forground color of string to write */
int bacg; /* background color */
{
unsigned int attr; /* attribute byte mask to place in RAM */
@ -475,38 +467,38 @@ int bacg; /* background color */
/* build the attribute byte and setup the screen pointer */
#if COLOR
if (dtype != CDMONO)
attr = (((ctrans[bacg] & 15) << 4) | (ctrans[forg] & 15)) << 8;
attr =
(((ctrans[bacg] & 15) << 4) | (ctrans[forg] & 15)) <<
8;
else
attr = (((bacg & 15) << 4) | (forg & 15)) << 8;
#else
attr = (((bacg & 15) << 4) | (forg & 15)) << 8;
#endif
lnptr = &sline[0];
for (i=0; i<term.t_ncol; i++)
for (i = 0; i < term.t_ncol; i++)
*lnptr++ = (outstr[i] & 255) | attr;
if (flickcode && (dtype == CDCGA)) {
/* wait for vertical retrace to be off */
while ((inp(0x3da) & 8))
;
while ((inp(0x3da) & 8));
/* and to be back on */
while ((inp(0x3da) & 8) == 0)
;
while ((inp(0x3da) & 8) == 0);
}
/* and send the string out */
movmem(&sline[0], scptr[row], term.t_ncol*2);
movmem(&sline[0], scptr[row], term.t_ncol * 2);
}
#if FNLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
fnclabel(f, n)
/* label a function key */
int f, n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
return (TRUE);
}
#endif
#else
@ -514,4 +506,3 @@ ibmhello()
{
}
#endif

366
input.c
View File

@ -45,14 +45,14 @@ char *prompt;
/* get the responce */
c = tgetc();
if (c == ectoc(abortc)) /* Bail out! */
return(ABORT);
if (c == ectoc(abortc)) /* Bail out! */
return (ABORT);
if (c=='y' || c=='Y')
return(TRUE);
if (c == 'y' || c == 'Y')
return (TRUE);
if (c=='n' || c=='N')
return(FALSE);
if (c == 'n' || c == 'N')
return (FALSE);
}
}
@ -65,10 +65,10 @@ char *prompt;
*/
mlreply(prompt, buf, nbuf)
char *prompt;
char *buf;
char *prompt;
char *buf;
{
return(nextarg(prompt, buf, nbuf, ctoec('\n')));
return (nextarg(prompt, buf, nbuf, ctoec('\n')));
}
mlreplyt(prompt, buf, nbuf, eolchar)
@ -78,7 +78,7 @@ char *buf;
int eolchar;
{
return(nextarg(prompt, buf, nbuf, eolchar));
return (nextarg(prompt, buf, nbuf, eolchar));
}
/* ectoc: expanded character to character
@ -92,8 +92,8 @@ int c;
if (c & CONTROL)
c = c & ~(CONTROL | 0x40);
if (c & SPEC)
c= c & 255;
return(c);
c = c & 255;
return (c);
}
/* ctoec: character to extended character
@ -104,18 +104,17 @@ ctoec(c)
int c;
{
if (c>=0x00 && c<=0x1F)
c = CONTROL | (c+'@');
return (c);
if (c >= 0x00 && c <= 0x1F)
c = CONTROL | (c + '@');
return (c);
}
/* get a command name from the command line. Command completion means
that pressing a <SPACE> will attempt to complete an unfinished command
name if it is unique.
*/
int (*getname())()
int (*getname()) ()
{
register int cpos; /* current column on screen output */
register int c;
@ -124,7 +123,7 @@ int (*getname())()
register NBIND *cffp; /* current ptr to entry in name binding table */
register NBIND *lffp; /* last ptr to entry in name binding table */
char buf[NSTRING]; /* buffer to hold tentative command name */
int (*fncmatch())();
int (*fncmatch()) ();
/* starting at the beginning of the string buffer */
cpos = 0;
@ -132,8 +131,8 @@ int (*getname())()
/* if we are executing a command line get the next arg and match it */
if (clexec) {
if (macarg(buf) != TRUE)
return(FALSE);
return(fncmatch(&buf[0]));
return (FALSE);
return (fncmatch(&buf[0]));
}
/* build a name string from the keyboard */
@ -145,12 +144,12 @@ int (*getname())()
buf[cpos] = 0;
/* and match it off */
return(fncmatch(&buf[0]));
return (fncmatch(&buf[0]));
} else if (c == ectoc(abortc)) { /* Bell, abort */
ctrlg(FALSE, 0);
TTflush();
return( (int (*)()) NULL);
return ((int (*)()) NULL);
} else if (c == 0x7F || c == 0x08) { /* rubout/erase */
if (cpos != 0) {
@ -175,61 +174,80 @@ int (*getname())()
} else if (c == ' ' || c == 0x1b || c == 0x09) {
/* <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< */
/* attempt a completion */
buf[cpos] = 0; /* terminate it for us */
ffp = &names[0]; /* scan for matches */
while (ffp->n_func != NULL) {
if (strncmp(buf, ffp->n_name, strlen(buf)) == 0) {
/* a possible match! More than one? */
if ((ffp + 1)->n_func == NULL ||
(strncmp(buf, (ffp+1)->n_name, strlen(buf)) != 0)) {
/* no...we match, print it */
sp = ffp->n_name + cpos;
while (*sp)
TTputc(*sp++);
TTflush();
return(ffp->n_func);
} else {
/* attempt a completion */
buf[cpos] = 0; /* terminate it for us */
ffp = &names[0]; /* scan for matches */
while (ffp->n_func != NULL) {
if (strncmp(buf, ffp->n_name, strlen(buf))
== 0) {
/* a possible match! More than one? */
if ((ffp + 1)->n_func == NULL ||
(strncmp
(buf, (ffp + 1)->n_name,
strlen(buf)) != 0)) {
/* no...we match, print it */
sp = ffp->n_name + cpos;
while (*sp)
TTputc(*sp++);
TTflush();
return (ffp->n_func);
} else {
/* << << << << << << << << << << << << << << << << << */
/* try for a partial match against the list */
/* try for a partial match against the list */
/* first scan down until we no longer match the current input */
lffp = (ffp + 1);
while ((lffp+1)->n_func != NULL) {
if (strncmp(buf, (lffp+1)->n_name, strlen(buf)) != 0)
break;
++lffp;
}
/* first scan down until we no longer match the current input */
lffp = (ffp + 1);
while ((lffp +
1)->n_func !=
NULL) {
if (strncmp
(buf,
(lffp +
1)->n_name,
strlen(buf))
!= 0)
break;
++lffp;
}
/* and now, attempt to partial complete the string, char at a time */
while (TRUE) {
/* add the next char in */
buf[cpos] = ffp->n_name[cpos];
/* and now, attempt to partial complete the string, char at a time */
while (TRUE) {
/* add the next char in */
buf[cpos] =
ffp->
n_name[cpos];
/* scan through the candidates */
cffp = ffp + 1;
while (cffp <= lffp) {
if (cffp->n_name[cpos] != buf[cpos])
goto onward;
++cffp;
}
/* scan through the candidates */
cffp = ffp + 1;
while (cffp <=
lffp) {
if (cffp->
n_name
[cpos]
!=
buf
[cpos])
goto onward;
++cffp;
}
/* add the character */
TTputc(buf[cpos++]);
}
/* add the character */
TTputc(buf
[cpos++]);
}
/* << << << << << << << << << << << << << << << << << */
}
}
++ffp;
}
}
++ffp;
}
/* no match.....beep and onward */
TTbeep();
onward:;
TTflush();
/* no match.....beep and onward */
TTbeep();
onward:;
TTflush();
/* <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< */
} else {
if (cpos < NSTRING-1 && c > ' ') {
if (cpos < NSTRING - 1 && c > ' ') {
buf[cpos++] = c;
TTputc(c);
}
@ -244,16 +262,15 @@ onward:;
macro action */
int tgetc()
{
int c; /* fetched character */
int c; /* fetched character */
/* if we are playing a keyboard macro back, */
if (kbdmode == PLAY) {
/* if there is some left... */
if (kbdptr < kbdend)
return((int)*kbdptr++);
return ((int) *kbdptr++);
/* at the end of last repitition? */
if (--kbdrep < 1) {
@ -266,7 +283,7 @@ int tgetc()
/* reset the macro to the begining for the next rep */
kbdptr = &kbdm[0];
return((int)*kbdptr++);
return ((int) *kbdptr++);
}
}
@ -289,7 +306,7 @@ int tgetc()
}
/* and finally give the char back */
return(c);
return (c);
}
/* GET1KEY: Get one keystroke. The only prefixs legal here
@ -297,43 +314,41 @@ int tgetc()
*/
get1key()
{
int c;
int c;
/* get a keystroke */
c = tgetc();
c = tgetc();
#if MSDOS
if (c == 0) { /* Apply SPEC prefix */
c = tgetc();
if (c>=0x00 && c<=0x1F) /* control key? */
c = CONTROL | (c+'@');
return(SPEC | c);
#if MSDOS
if (c == 0) { /* Apply SPEC prefix */
c = tgetc();
if (c >= 0x00 && c <= 0x1F) /* control key? */
c = CONTROL | (c + '@');
return (SPEC | c);
}
#endif
if (c>=0x00 && c<=0x1F) /* C0 control -> C- */
c = CONTROL | (c+'@');
return (c);
if (c >= 0x00 && c <= 0x1F) /* C0 control -> C- */
c = CONTROL | (c + '@');
return (c);
}
/* GETCMD: Get a command from the keyboard. Process all applicable
prefix keys
*/
getcmd()
{
int c; /* fetched keystroke */
int c; /* fetched keystroke */
#if VT220
int d; /* second character P.K. */
int d; /* second character P.K. */
int cmask = 0;
#endif
/* get initial character */
c = get1key();
#if VT220
proc_metac:
proc_metac:
#endif
/* process META prefix */
if (c == (CONTROL | '[')) {
@ -342,32 +357,35 @@ proc_metac:
if (c == '[' || c == 'O') { /* CSI P.K. */
c = get1key();
if (c >= 'A' && c <= 'D')
return(SPEC | c | cmask);
return (SPEC | c | cmask);
if (c >= 'E' && c <= 'z' && c != 'i' && c != 'c')
return(SPEC | c | cmask);
return (SPEC | c | cmask);
d = get1key();
if (d == '~') /* ESC [ n ~ P.K. */
return(SPEC | c | cmask);
switch (c) { /* ESC [ n n ~ P.K. */
case '1': c = d + 32;
break;
case '2': c = d + 48;
break;
case '3': c = d + 64;
break;
default: c = '?';
break;
if (d == '~') /* ESC [ n ~ P.K. */
return (SPEC | c | cmask);
switch (c) { /* ESC [ n n ~ P.K. */
case '1':
c = d + 32;
break;
case '2':
c = d + 48;
break;
case '3':
c = d + 64;
break;
default:
c = '?';
break;
}
if (d != '~') /* eat tilde P.K. */
if (d != '~') /* eat tilde P.K. */
get1key();
if (c == 'i') { /* DO key P.K. */
if (c == 'i') { /* DO key P.K. */
c = ctlxc;
goto proc_ctlxc;
}
else if (c == 'c') /* ESC key P.K. */
} else if (c == 'c') /* ESC key P.K. */
c = get1key();
else
return(SPEC | c | cmask);
return (SPEC | c | cmask);
}
#endif
#if VT220
@ -376,15 +394,14 @@ proc_metac:
goto proc_metac;
}
#endif
if (islower(c)) /* Force to upper */
c ^= DIFCASE;
if (c>=0x00 && c<=0x1F) /* control key */
c = CONTROL | (c+'@');
return(META | c );
if (islower(c)) /* Force to upper */
c ^= DIFCASE;
if (c >= 0x00 && c <= 0x1F) /* control key */
c = CONTROL | (c + '@');
return (META | c);
}
#if PKCODE
else
if (c == metac) {
else if (c == metac) {
c = get1key();
#if VT220
if (c == (CONTROL | '[')) {
@ -392,17 +409,17 @@ proc_metac:
goto proc_metac;
}
#endif
if (islower(c)) /* Force to upper */
c ^= DIFCASE;
if (c>=0x00 && c<=0x1F) /* control key */
c = CONTROL | (c+'@');
return(META | c );
if (islower(c)) /* Force to upper */
c ^= DIFCASE;
if (c >= 0x00 && c <= 0x1F) /* control key */
c = CONTROL | (c + '@');
return (META | c);
}
#endif
#if VT220
proc_ctlxc:
proc_ctlxc:
#endif
/* process CTLX prefix */
if (c == ctlxc) {
@ -413,15 +430,15 @@ proc_ctlxc:
goto proc_metac;
}
#endif
if (c>='a' && c<='z') /* Force to upper */
c -= 0x20;
if (c>=0x00 && c<=0x1F) /* control key */
c = CONTROL | (c+'@');
return(CTLX | c);
if (c >= 'a' && c <= 'z') /* Force to upper */
c -= 0x20;
if (c >= 0x00 && c <= 0x1F) /* control key */
c = CONTROL | (c + '@');
return (CTLX | c);
}
/* otherwise, just return it */
return(c);
return (c);
}
/* A more generalized prompt/reply function allowing the caller
@ -430,7 +447,9 @@ proc_ctlxc:
*/
getstring(prompt, buf, nbuf, eolchar)
char *prompt; char *buf; int eolchar;
char *prompt;
char *buf;
int eolchar;
{
register int cpos; /* current character position in string */
@ -447,11 +466,11 @@ char *prompt; char *buf; int eolchar;
FILE *tmpf = NULL;
#endif
ffile = (strcmp(prompt, "Find file: ") == 0
|| strcmp(prompt, "View file: ") == 0
|| strcmp(prompt, "Insert file: ") == 0
|| strcmp(prompt, "Write file: ") == 0
|| strcmp(prompt, "Read file: ") == 0
|| strcmp(prompt, "File to execute: ") == 0);
|| strcmp(prompt, "View file: ") == 0
|| strcmp(prompt, "Insert file: ") == 0
|| strcmp(prompt, "Write file: ") == 0
|| strcmp(prompt, "Read file: ") == 0
|| strcmp(prompt, "File to execute: ") == 0);
#endif
cpos = 0;
@ -462,7 +481,7 @@ char *prompt; char *buf; int eolchar;
for (;;) {
#if COMPLC
if (! didtry)
if (!didtry)
nskip = -1;
didtry = 0;
#endif
@ -487,9 +506,9 @@ char *prompt; char *buf; int eolchar;
/* if we default the buffer, return FALSE */
if (buf[0] == 0)
return(FALSE);
return (FALSE);
return(TRUE);
return (TRUE);
}
/* change from command form back to character form */
@ -499,8 +518,8 @@ char *prompt; char *buf; int eolchar;
/* Abort the input? */
ctrlg(FALSE, 0);
TTflush();
return(ABORT);
} else if ((c==0x7F || c==0x08) && quotef==FALSE) {
return (ABORT);
} else if ((c == 0x7F || c == 0x08) && quotef == FALSE) {
/* rubout/erase */
if (cpos != 0) {
outstring("\b \b");
@ -536,7 +555,8 @@ char *prompt; char *buf; int eolchar;
TTflush();
#if COMPLC
} else if ((c == 0x09 || c == ' ') && quotef == FALSE && ffile) {
} else if ((c == 0x09 || c == ' ') && quotef == FALSE
&& ffile) {
/* TAB, complete file name */
char ffbuf[255];
#if MSDOS
@ -563,14 +583,14 @@ char *prompt; char *buf; int eolchar;
iswild = 1;
#if MSDOS
if (lsav < 0 && (buf[cpos] == '\\' ||
buf[cpos] == '/' ||
buf[cpos] == ':' && cpos == 1))
buf[cpos] == '/' ||
buf[cpos] == ':'
&& cpos == 1))
lsav = cpos;
#endif
}
TTflush();
if (nskip < 0)
{
if (nskip < 0) {
buf[ocpos] = 0;
#if UNIX
if (tmpf != NULL)
@ -578,8 +598,8 @@ char *prompt; char *buf; int eolchar;
strcpy(tmp, "/tmp/meXXXXXX");
strcpy(ffbuf, "echo ");
strcat(ffbuf, buf);
if (! iswild)
strcat(ffbuf,"*");
if (!iswild)
strcat(ffbuf, "*");
strcat(ffbuf, " >");
mktemp(tmp);
strcat(ffbuf, tmp);
@ -589,49 +609,47 @@ char *prompt; char *buf; int eolchar;
#endif
#if MSDOS
strcpy(sffbuf, buf);
if (! iswild)
strcat(sffbuf,"*.*");
if (!iswild)
strcat(sffbuf, "*.*");
#endif
nskip = 0;
}
#if UNIX
c = ' ';
for (n = nskip; n > 0; n--)
while ((c = getc(tmpf)) != EOF && c != ' ');
while ((c = getc(tmpf)) != EOF
&& c != ' ');
#endif
#if MSDOS
if (nskip == 0)
{
if (nskip == 0) {
strcpy(ffbuf, sffbuf);
c = findfirst(ffbuf, &ffblk, FA_DIREC) ? '*' : ' ';
}
else if (nskip > 0)
c = findfirst(ffbuf, &ffblk,
FA_DIREC) ? '*' : ' ';
} else if (nskip > 0)
c = findnext(&ffblk) ? 0 : ' ';
#endif
nskip++;
if (c != ' ')
{
if (c != ' ') {
TTbeep();
nskip = 0;
}
#if UNIX
while ((c = getc(tmpf)) != EOF && c != '\n' && c != ' ' && c != '*')
while ((c = getc(tmpf)) != EOF && c != '\n'
&& c != ' ' && c != '*')
#endif
#if MSDOS
if (c == '*')
fcp = sffbuf;
else
{
strncpy(buf, sffbuf, lsav+1);
cpos = lsav+1;
fcp = ffblk.ff_name;
}
if (c == '*')
fcp = sffbuf;
else {
strncpy(buf, sffbuf, lsav + 1);
cpos = lsav + 1;
fcp = ffblk.ff_name;
}
while (c != 0 && (c = *fcp++) != 0 && c != '*')
#endif
{
if (cpos < nbuf-1)
if (cpos < nbuf - 1)
buf[cpos++] = c;
}
#if UNIX
@ -639,8 +657,7 @@ char *prompt; char *buf; int eolchar;
TTbeep();
#endif
for (n = 0; n < cpos; n++)
{
for (n = 0; n < cpos; n++) {
c = buf[n];
if ((c < ' ') && (c != '\n')) {
outstring("^");
@ -668,7 +685,7 @@ char *prompt; char *buf; int eolchar;
quotef = TRUE;
} else {
quotef = FALSE;
if (cpos < nbuf-1) {
if (cpos < nbuf - 1) {
buf[cpos++] = c;
if ((c < ' ') && (c != '\n')) {
@ -691,9 +708,9 @@ char *prompt; char *buf; int eolchar;
}
}
outstring(s) /* output a string of characters */
char *s; /* string to output */
outstring(s)
/* output a string of characters */
char *s; /* string to output */
{
if (disinp)
@ -701,13 +718,12 @@ char *s; /* string to output */
TTputc(*s++);
}
ostring(s) /* output a string of output characters */
char *s; /* string to output */
ostring(s)
/* output a string of output characters */
char *s; /* string to output */
{
if (discmd)
while (*s)
TTputc(*s++);
}

597
isearch.c
View File

@ -28,51 +28,51 @@
#if ISRCH
extern int scanner(); /* Handy search routine */
extern int eq(); /* Compare chars, match case */
extern int scanner(); /* Handy search routine */
extern int eq(); /* Compare chars, match case */
/* A couple of "own" variables for re-eat */
int (*saved_get_char)(); /* Get character routine */
int eaten_char = -1; /* Re-eaten char */
int (*saved_get_char) (); /* Get character routine */
int eaten_char = -1; /* Re-eaten char */
/* A couple more "own" variables for the command string */
int cmd_buff[CMDBUFLEN]; /* Save the command args here */
int cmd_offset; /* Current offset into command buff */
int cmd_reexecute = -1; /* > 0 if re-executing command */
int cmd_buff[CMDBUFLEN]; /* Save the command args here */
int cmd_offset; /* Current offset into command buff */
int cmd_reexecute = -1; /* > 0 if re-executing command */
/*
* Subroutine to do incremental reverse search. It actually uses the
* same code as the normal incremental search, as both can go both ways.
*/
int risearch(f, n)
{
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
/* remember the initial . on entry: */
/* remember the initial . on entry: */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
/* Make sure the search doesn't match where we already are: */
/* Make sure the search doesn't match where we already are: */
backchar(TRUE, 1); /* Back up a character */
backchar(TRUE, 1); /* Back up a character */
if (!(isearch(f, -n))) /* Call ISearch backwards */
{ /* If error in search: */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset to original value */
curwp->w_flag |= WFMOVE; /* Say we've moved */
update(FALSE); /* And force an update */
mlwrite ("(search failed)"); /* Say we died */
if (!(isearch(f, -n))) { /* Call ISearch backwards *//* If error in search: */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset to original value */
curwp->w_flag |= WFMOVE; /* Say we've moved */
update(FALSE); /* And force an update */
mlwrite("(search failed)"); /* Say we died */
#if PKCODE
matchlen = strlen(pat);
matchlen = strlen(pat);
#endif
} else mlerase (); /* If happy, just erase the cmd line */
} else
mlerase(); /* If happy, just erase the cmd line */
#if PKCODE
matchlen = strlen(pat);
#endif
@ -82,27 +82,27 @@ int risearch(f, n)
int fisearch(f, n)
{
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
/* remember the initial . on entry: */
/* remember the initial . on entry: */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
/* do the search */
/* do the search */
if (!(isearch(f, n))) /* Call ISearch forwards */
{ /* If error in search: */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset to original value */
curwp->w_flag |= WFMOVE; /* Say we've moved */
update(FALSE); /* And force an update */
mlwrite ("(search failed)"); /* Say we died */
if (!(isearch(f, n))) { /* Call ISearch forwards *//* If error in search: */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset to original value */
curwp->w_flag |= WFMOVE; /* Say we've moved */
update(FALSE); /* And force an update */
mlwrite("(search failed)"); /* Say we died */
#if PKCODE
matchlen = strlen(pat);
matchlen = strlen(pat);
#endif
} else mlerase (); /* If happy, just erase the cmd line */
} else
mlerase(); /* If happy, just erase the cmd line */
#if PKCODE
matchlen = strlen(pat);
#endif
@ -133,139 +133,131 @@ int fisearch(f, n)
* will stall until the pattern string is edited back into something that
* exists (or until the search is aborted).
*/
isearch(f, n)
{
int status; /* Search status */
int col; /* prompt column */
register int cpos; /* character number in search string */
register int c; /* current input character */
register int expc; /* function expanded input char */
char pat_save[NPAT]; /* Saved copy of the old pattern str */
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
int init_direction; /* The initial search direction */
int status; /* Search status */
int col; /* prompt column */
register int cpos; /* character number in search string */
register int c; /* current input character */
register int expc; /* function expanded input char */
char pat_save[NPAT]; /* Saved copy of the old pattern str */
LINE *curline; /* Current line on entry */
int curoff; /* Current offset on entry */
int init_direction; /* The initial search direction */
/* Initialize starting conditions */
/* Initialize starting conditions */
cmd_reexecute = -1; /* We're not re-executing (yet?) */
cmd_offset = 0; /* Start at the beginning of the buff */
cmd_buff[0] = '\0'; /* Init the command buffer */
strncpy (pat_save, pat, NPAT); /* Save the old pattern string */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
init_direction = n; /* Save the initial search direction */
cmd_reexecute = -1; /* We're not re-executing (yet?) */
cmd_offset = 0; /* Start at the beginning of the buff */
cmd_buff[0] = '\0'; /* Init the command buffer */
strncpy(pat_save, pat, NPAT); /* Save the old pattern string */
curline = curwp->w_dotp; /* Save the current line pointer */
curoff = curwp->w_doto; /* Save the current offset */
init_direction = n; /* Save the initial search direction */
/* This is a good place to start a re-execution: */
/* This is a good place to start a re-execution: */
start_over:
start_over:
/* ask the user for the text of a pattern */
col = promptpattern("ISearch: "); /* Prompt, remember the col */
/* ask the user for the text of a pattern */
col = promptpattern("ISearch: "); /* Prompt, remember the col */
cpos = 0; /* Start afresh */
status = TRUE; /* Assume everything's cool */
cpos = 0; /* Start afresh */
status = TRUE; /* Assume everything's cool */
/*
Get the first character in the pattern. If we get an initial Control-S
or Control-R, re-use the old search string and find the first occurrence
*/
/*
Get the first character in the pattern. If we get an initial Control-S
or Control-R, re-use the old search string and find the first occurrence
*/
c = ectoc(expc = get_char()); /* Get the first character */
if ((c == IS_FORWARD) ||
(c == IS_REVERSE) ||
(c == IS_VMSFORW)) /* Reuse old search string? */
{
for (cpos = 0; pat[cpos] != 0; cpos++) /* Yup, find the length */
col = echochar(pat[cpos],col); /* and re-echo the string */
if (c == IS_REVERSE) { /* forward search? */
n = -1; /* No, search in reverse */
backchar (TRUE, 1); /* Be defensive about EOB */
} else
n = 1; /* Yes, search forward */
status = scanmore(pat, n); /* Do the search */
c = ectoc(expc = get_char()); /* Get another character */
}
/* Top of the per character loop */
for (;;) /* ISearch per character loop */
{
/* Check for special characters first: */
/* Most cases here change the search */
if (expc == metac) /* Want to quit searching? */
return (TRUE); /* Quit searching now */
switch (c) /* dispatch on the input char */
{
case IS_ABORT: /* If abort search request */
return(FALSE); /* Quit searching again */
case IS_REVERSE: /* If backward search */
case IS_FORWARD: /* If forward search */
case IS_VMSFORW: /* of either flavor */
if (c == IS_REVERSE) /* If reverse search */
n = -1; /* Set the reverse direction */
else /* Otherwise, */
n = 1; /* go forward */
status = scanmore(pat, n); /* Start the search again */
c = ectoc(expc = get_char()); /* Get the next char */
continue; /* Go continue with the search*/
case IS_NEWLINE: /* Carriage return */
c = '\n'; /* Make it a new line */
break; /* Make sure we use it */
case IS_QUOTE: /* Quote character */
case IS_VMSQUOTE: /* of either variety */
c = ectoc(expc = get_char()); /* Get the next char */
case IS_TAB: /* Generically allowed */
case '\n': /* controlled characters */
break; /* Make sure we use it */
case IS_BACKSP: /* If a backspace: */
case IS_RUBOUT: /* or if a Rubout: */
if (cmd_offset <= 1) /* Anything to delete? */
return (TRUE); /* No, just exit */
--cmd_offset; /* Back up over the Rubout */
cmd_buff[--cmd_offset] = '\0'; /* Yes, delete last char */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset */
n = init_direction; /* Reset the search direction */
strncpy (pat, pat_save, NPAT); /* Restore the old search str */
cmd_reexecute = 0; /* Start the whole mess over */
goto start_over; /* Let it take care of itself */
/* Presumably a quasi-normal character comes here */
default: /* All other chars */
if (c < ' ') /* Is it printable? */
{ /* Nope. */
reeat (c); /* Re-eat the char */
return (TRUE); /* And return the last status */
}
} /* Switch */
/* I guess we got something to search for, so search for it */
pat[cpos++] = c; /* put the char in the buffer */
if (cpos >= NPAT) /* too many chars in string? */
{ /* Yup. Complain about it */
mlwrite("? Search string too long");
return(TRUE); /* Return an error */
c = ectoc(expc = get_char()); /* Get the first character */
if ((c == IS_FORWARD) || (c == IS_REVERSE) || (c == IS_VMSFORW)) { /* Reuse old search string? */
for (cpos = 0; pat[cpos] != 0; cpos++) /* Yup, find the length */
col = echochar(pat[cpos], col); /* and re-echo the string */
if (c == IS_REVERSE) { /* forward search? */
n = -1; /* No, search in reverse */
backchar(TRUE, 1); /* Be defensive about EOB */
} else
n = 1; /* Yes, search forward */
status = scanmore(pat, n); /* Do the search */
c = ectoc(expc = get_char()); /* Get another character */
}
pat[cpos] = 0; /* null terminate the buffer */
col = echochar(c,col); /* Echo the character */
if (!status) { /* If we lost last time */
TTputc(BELL); /* Feep again */
TTflush(); /* see that the feep feeps */
} else /* Otherwise, we must have won*/
if (!(status = checknext(c, pat, n))) /* See if match */
status = scanmore(pat, n); /* or find the next match */
c = ectoc(expc = get_char()); /* Get the next char */
} /* for {;;} */
/* Top of the per character loop */
for (;;) { /* ISearch per character loop */
/* Check for special characters first: */
/* Most cases here change the search */
if (expc == metac) /* Want to quit searching? */
return (TRUE); /* Quit searching now */
switch (c) { /* dispatch on the input char */
case IS_ABORT: /* If abort search request */
return (FALSE); /* Quit searching again */
case IS_REVERSE: /* If backward search */
case IS_FORWARD: /* If forward search */
case IS_VMSFORW: /* of either flavor */
if (c == IS_REVERSE) /* If reverse search */
n = -1; /* Set the reverse direction */
else /* Otherwise, */
n = 1; /* go forward */
status = scanmore(pat, n); /* Start the search again */
c = ectoc(expc = get_char()); /* Get the next char */
continue; /* Go continue with the search */
case IS_NEWLINE: /* Carriage return */
c = '\n'; /* Make it a new line */
break; /* Make sure we use it */
case IS_QUOTE: /* Quote character */
case IS_VMSQUOTE: /* of either variety */
c = ectoc(expc = get_char()); /* Get the next char */
case IS_TAB: /* Generically allowed */
case '\n': /* controlled characters */
break; /* Make sure we use it */
case IS_BACKSP: /* If a backspace: */
case IS_RUBOUT: /* or if a Rubout: */
if (cmd_offset <= 1) /* Anything to delete? */
return (TRUE); /* No, just exit */
--cmd_offset; /* Back up over the Rubout */
cmd_buff[--cmd_offset] = '\0'; /* Yes, delete last char */
curwp->w_dotp = curline; /* Reset the line pointer */
curwp->w_doto = curoff; /* and the offset */
n = init_direction; /* Reset the search direction */
strncpy(pat, pat_save, NPAT); /* Restore the old search str */
cmd_reexecute = 0; /* Start the whole mess over */
goto start_over; /* Let it take care of itself */
/* Presumably a quasi-normal character comes here */
default: /* All other chars */
if (c < ' ') { /* Is it printable? *//* Nope. */
reeat(c); /* Re-eat the char */
return (TRUE); /* And return the last status */
}
} /* Switch */
/* I guess we got something to search for, so search for it */
pat[cpos++] = c; /* put the char in the buffer */
if (cpos >= NPAT) { /* too many chars in string? *//* Yup. Complain about it */
mlwrite("? Search string too long");
return (TRUE); /* Return an error */
}
pat[cpos] = 0; /* null terminate the buffer */
col = echochar(c, col); /* Echo the character */
if (!status) { /* If we lost last time */
TTputc(BELL); /* Feep again */
TTflush(); /* see that the feep feeps */
} else /* Otherwise, we must have won */ if (!(status = checknext(c, pat, n))) /* See if match */
status = scanmore(pat, n); /* or find the next match */
c = ectoc(expc = get_char()); /* Get the next char */
} /* for {;;} */
}
/*
@ -279,42 +271,39 @@ start_over:
* scanmore or something.
*/
int checknext (chr, patrn, dir) /* Check next character in search string */
char chr; /* Next char to look for */
char *patrn; /* The entire search string (incl chr) */
int dir; /* Search direction */
int checknext(chr, patrn, dir) /* Check next character in search string */
char chr; /* Next char to look for */
char *patrn; /* The entire search string (incl chr) */
int dir; /* Search direction */
{
register LINE *curline; /* current line during scan */
register int curoff; /* position within current line */
register int buffchar; /* character at current position */
int status; /* how well things go */
register LINE *curline; /* current line during scan */
register int curoff; /* position within current line */
register int buffchar; /* character at current position */
int status; /* how well things go */
/* setup the local scan pointer to current "." */
/* setup the local scan pointer to current "." */
curline = curwp->w_dotp; /* Get the current line structure */
curoff = curwp->w_doto; /* Get the offset within that line */
curline = curwp->w_dotp; /* Get the current line structure */
curoff = curwp->w_doto; /* Get the offset within that line */
if (dir > 0) /* If searching forward */
{
if (curoff == llength(curline)) /* If at end of line */
{
curline = lforw(curline); /* Skip to the next line */
if (curline == curbp->b_linep)
return (FALSE); /* Abort if at end of buffer */
curoff = 0; /* Start at the beginning of the line */
buffchar = '\n'; /* And say the next char is NL */
} else
buffchar = lgetc(curline, curoff++); /* Get the next char */
if (status = eq(buffchar, chr)) /* Is it what we're looking for? */
{
curwp->w_dotp = curline; /* Yes, set the buffer's point */
curwp->w_doto = curoff; /* to the matched character */
curwp->w_flag |= WFMOVE; /* Say that we've moved */
}
return (status); /* And return the status */
} else /* Else, if reverse search: */
return (match_pat (patrn)); /* See if we're in the right place */
if (dir > 0) { /* If searching forward */
if (curoff == llength(curline)) { /* If at end of line */
curline = lforw(curline); /* Skip to the next line */
if (curline == curbp->b_linep)
return (FALSE); /* Abort if at end of buffer */
curoff = 0; /* Start at the beginning of the line */
buffchar = '\n'; /* And say the next char is NL */
} else
buffchar = lgetc(curline, curoff++); /* Get the next char */
if (status = eq(buffchar, chr)) { /* Is it what we're looking for? */
curwp->w_dotp = curline; /* Yes, set the buffer's point */
curwp->w_doto = curoff; /* to the matched character */
curwp->w_flag |= WFMOVE; /* Say that we've moved */
}
return (status); /* And return the status */
} else /* Else, if reverse search: */
return (match_pat(patrn)); /* See if we're in the right place */
}
/*
@ -326,28 +315,25 @@ int dir; /* Search direction */
* forward searches and at the beginning of the matched string for reverse
* searches.
*/
int scanmore(patrn, dir) /* search forward or back for a pattern */
char *patrn; /* string to scan for */
int dir; /* direction to search */
{
int sts; /* search status */
if (dir < 0) /* reverse search? */
{
rvstrcpy(tap, patrn); /* Put reversed string in tap */
int scanmore(patrn, dir) /* search forward or back for a pattern */
char *patrn; /* string to scan for */
int dir; /* direction to search */
{
int sts; /* search status */
if (dir < 0) { /* reverse search? */
rvstrcpy(tap, patrn); /* Put reversed string in tap */
sts = scanner(tap, REVERSE, PTBEG);
}
else
} else
sts = scanner(patrn, FORWARD, PTEND); /* Nope. Go forward */
if (!sts)
{
if (!sts) {
TTputc(BELL); /* Feep if search fails */
TTflush(); /* see that the feep feeps */
TTflush(); /* see that the feep feeps */
}
return(sts); /* else, don't even try */
return (sts); /* else, don't even try */
}
/*
@ -360,36 +346,34 @@ int dir; /* direction to search */
* be done is match the last char input.
*/
int match_pat (patrn) /* See if the pattern string matches string at "." */
char *patrn; /* String to match to buffer */
int match_pat(patrn) /* See if the pattern string matches string at "." */
char *patrn; /* String to match to buffer */
{
register int i; /* Generic loop index/offset */
register int buffchar; /* character at current position */
register LINE *curline; /* current line during scan */
register int curoff; /* position within current line */
register int i; /* Generic loop index/offset */
register int buffchar; /* character at current position */
register LINE *curline; /* current line during scan */
register int curoff; /* position within current line */
/* setup the local scan pointer to current "." */
/* setup the local scan pointer to current "." */
curline = curwp->w_dotp; /* Get the current line structure */
curoff = curwp->w_doto; /* Get the offset within that line */
curline = curwp->w_dotp; /* Get the current line structure */
curoff = curwp->w_doto; /* Get the offset within that line */
/* top of per character compare loop: */
/* top of per character compare loop: */
for (i = 0; i < strlen(patrn); i++) /* Loop for all characters in patrn */
{
if (curoff == llength(curline)) /* If at end of line */
{
curline = lforw(curline); /* Skip to the next line */
curoff = 0; /* Start at the beginning of the line */
if (curline == curbp->b_linep)
return (FALSE); /* Abort if at end of buffer */
buffchar = '\n'; /* And say the next char is NL */
} else
buffchar = lgetc(curline, curoff++); /* Get the next char */
if (!eq(buffchar, patrn[i])) /* Is it what we're looking for? */
return (FALSE); /* Nope, just punt it then */
}
return (TRUE); /* Everything matched? Let's celebrate*/
for (i = 0; i < strlen(patrn); i++) { /* Loop for all characters in patrn */
if (curoff == llength(curline)) { /* If at end of line */
curline = lforw(curline); /* Skip to the next line */
curoff = 0; /* Start at the beginning of the line */
if (curline == curbp->b_linep)
return (FALSE); /* Abort if at end of buffer */
buffchar = '\n'; /* And say the next char is NL */
} else
buffchar = lgetc(curline, curoff++); /* Get the next char */
if (!eq(buffchar, patrn[i])) /* Is it what we're looking for? */
return (FALSE); /* Nope, just punt it then */
}
return (TRUE); /* Everything matched? Let's celebrate */
}
/* Routine to prompt for I-Search string. */
@ -397,63 +381,61 @@ char *patrn; /* String to match to buffer */
int promptpattern(prompt)
char *prompt;
{
char tpat[NPAT+20];
char tpat[NPAT + 20];
strcpy(tpat, prompt); /* copy prompt to output string */
strcat(tpat, " ("); /* build new prompt string */
expandp(pat, &tpat[strlen(tpat)], NPAT/2); /* add old pattern */
strcat(tpat, ")<Meta>: ");
strcpy(tpat, prompt); /* copy prompt to output string */
strcat(tpat, " ("); /* build new prompt string */
expandp(pat, &tpat[strlen(tpat)], NPAT / 2); /* add old pattern */
strcat(tpat, ")<Meta>: ");
/* check to see if we are executing a command line */
if (!clexec) {
mlwrite(tpat);
}
return(strlen(tpat));
/* check to see if we are executing a command line */
if (!clexec) {
mlwrite(tpat);
}
return (strlen(tpat));
}
/* routine to echo i-search characters */
int echochar(c,col)
int c; /* character to be echoed */
int col; /* column to be echoed in */
int echochar(c, col)
int c; /* character to be echoed */
int col; /* column to be echoed in */
{
movecursor(term.t_nrow,col); /* Position the cursor */
if ((c < ' ') || (c == 0x7F)) /* Control character? */
{
switch (c) /* Yes, dispatch special cases*/
{
case '\n': /* Newline */
TTputc('<');
TTputc('N');
TTputc('L');
TTputc('>');
col += 3;
break;
movecursor(term.t_nrow, col); /* Position the cursor */
if ((c < ' ') || (c == 0x7F)) { /* Control character? */
switch (c) { /* Yes, dispatch special cases */
case '\n': /* Newline */
TTputc('<');
TTputc('N');
TTputc('L');
TTputc('>');
col += 3;
break;
case '\t': /* Tab */
TTputc('<');
TTputc('T');
TTputc('A');
TTputc('B');
TTputc('>');
col += 4;
break;
case '\t': /* Tab */
TTputc('<');
TTputc('T');
TTputc('A');
TTputc('B');
TTputc('>');
col += 4;
break;
case 0x7F: /* Rubout: */
TTputc('^'); /* Output a funny looking */
TTputc('?'); /* indication of Rubout */
col++; /* Count the extra char */
break;
case 0x7F: /* Rubout: */
TTputc('^'); /* Output a funny looking */
TTputc('?'); /* indication of Rubout */
col++; /* Count the extra char */
break;
default: /* Vanilla control char */
TTputc('^'); /* Yes, output prefix */
TTputc(c+0x40); /* Make it "^X" */
col++; /* Count this char */
}
} else
TTputc(c); /* Otherwise, output raw char */
TTflush(); /* Flush the output */
return(++col); /* return the new column no */
default: /* Vanilla control char */
TTputc('^'); /* Yes, output prefix */
TTputc(c + 0x40); /* Make it "^X" */
col++; /* Count this char */
}
} else
TTputc(c); /* Otherwise, output raw char */
TTflush(); /* Flush the output */
return (++col); /* return the new column no */
}
/*
@ -463,29 +445,28 @@ int col; /* column to be echoed in */
* next character.
*/
int get_char ()
int get_char()
{
int c; /* A place to get a character */
int c; /* A place to get a character */
/* See if we're re-executing: */
/* See if we're re-executing: */
if (cmd_reexecute >= 0) /* Is there an offset? */
if ((c = cmd_buff[cmd_reexecute++]) != 0)
return (c); /* Yes, return any character */
if (cmd_reexecute >= 0) /* Is there an offset? */
if ((c = cmd_buff[cmd_reexecute++]) != 0)
return (c); /* Yes, return any character */
/* We're not re-executing (or aren't any more). Try for a real char */
/* We're not re-executing (or aren't any more). Try for a real char */
cmd_reexecute = -1; /* Say we're in real mode again */
update(FALSE); /* Pretty up the screen */
if (cmd_offset >= CMDBUFLEN-1) /* If we're getting too big ... */
{
mlwrite ("? command too long"); /* Complain loudly and bitterly */
return (metac); /* And force a quit */
}
c = get1key(); /* Get the next character */
cmd_buff[cmd_offset++] = c; /* Save the char for next time */
cmd_buff[cmd_offset] = '\0';/* And terminate the buffer */
return (c); /* Return the character */
cmd_reexecute = -1; /* Say we're in real mode again */
update(FALSE); /* Pretty up the screen */
if (cmd_offset >= CMDBUFLEN - 1) { /* If we're getting too big ... */
mlwrite("? command too long"); /* Complain loudly and bitterly */
return (metac); /* And force a quit */
}
c = get1key(); /* Get the next character */
cmd_buff[cmd_offset++] = c; /* Save the char for next time */
cmd_buff[cmd_offset] = '\0'; /* And terminate the buffer */
return (c); /* Return the character */
}
/*
@ -497,22 +478,22 @@ int get_char ()
int uneat()
{
int c;
int c;
term.t_getchar = saved_get_char; /* restore the routine address */
c = eaten_char; /* Get the re-eaten char */
eaten_char = -1; /* Clear the old char */
return(c); /* and return the last char */
term.t_getchar = saved_get_char; /* restore the routine address */
c = eaten_char; /* Get the re-eaten char */
eaten_char = -1; /* Clear the old char */
return (c); /* and return the last char */
}
int reeat(c)
int c;
int c;
{
if (eaten_char != -1) /* If we've already been here */
return/*(NULL)*/; /* Don't do it again */
eaten_char = c; /* Else, save the char for later */
saved_get_char = term.t_getchar; /* Save the char get routine */
term.t_getchar = uneat; /* Replace it with ours */
if (eaten_char != -1) /* If we've already been here */
return /*(NULL) */ ; /* Don't do it again */
eaten_char = c; /* Else, save the char for later */
saved_get_char = term.t_getchar; /* Save the char get routine */
term.t_getchar = uneat; /* Replace it with ours */
}
#else
isearch()

256
line.c
View File

@ -17,8 +17,8 @@
#include "estruct.h"
#include "edef.h"
KILL *ykbuf; /* ptr to current kill buffer chunk being yanked */
int ykboff; /* offset into that chunk */
KILL *ykbuf; /* ptr to current kill buffer chunk being yanked */
int ykboff; /* offset into that chunk */
/*
* This routine allocates a block of memory large enough to hold a LINE
@ -28,17 +28,17 @@ int ykboff; /* offset into that chunk */
*/
LINE *lalloc(used)
register int used;
register int used;
{
register LINE *lp;
register int size;
register LINE *lp;
register int size;
char *malloc();
size = (used+NBLOCK-1) & ~(NBLOCK-1);
if (size == 0) /* Assume that an empty */
size = NBLOCK; /* line is for type-in. */
if ((lp = (LINE *) malloc(sizeof(LINE)+size)) == NULL) {
size = (used + NBLOCK - 1) & ~(NBLOCK - 1);
if (size == 0) /* Assume that an empty */
size = NBLOCK; /* line is for type-in. */
if ((lp = (LINE *) malloc(sizeof(LINE) + size)) == NULL) {
mlwrite("(OUT OF MEMORY)");
return (NULL);
}
@ -54,7 +54,7 @@ register int used;
* conditions described in the above comments don't hold here.
*/
lfree(lp)
register LINE *lp;
register LINE *lp;
{
register BUFFER *bp;
register WINDOW *wp;
@ -63,9 +63,9 @@ register LINE *lp;
while (wp != NULL) {
if (wp->w_linep == lp)
wp->w_linep = lp->l_fp;
if (wp->w_dotp == lp) {
wp->w_dotp = lp->l_fp;
wp->w_doto = 0;
if (wp->w_dotp == lp) {
wp->w_dotp = lp->l_fp;
wp->w_doto = 0;
}
if (wp->w_markp == lp) {
wp->w_markp = lp->l_fp;
@ -76,7 +76,7 @@ register LINE *lp;
bp = bheadp;
while (bp != NULL) {
if (bp->b_nwnd == 0) {
if (bp->b_dotp == lp) {
if (bp->b_dotp == lp) {
bp->b_dotp = lp->l_fp;
bp->b_doto = 0;
}
@ -100,14 +100,14 @@ register LINE *lp;
* mode line needs to be updated (the "*" has to be set).
*/
lchange(flag)
register int flag;
register int flag;
{
register WINDOW *wp;
if (curbp->b_nwnd != 1) /* Ensure hard. */
if (curbp->b_nwnd != 1) /* Ensure hard. */
flag = WFHARD;
if ((curbp->b_flag&BFCHG) == 0) { /* First change, so */
flag |= WFMODE; /* update mode lines. */
if ((curbp->b_flag & BFCHG) == 0) { /* First change, so */
flag |= WFMODE; /* update mode lines. */
curbp->b_flag |= BFCHG;
}
wp = wheadp;
@ -118,9 +118,9 @@ register int flag;
}
}
insspace(f, n) /* insert spaces forward into text */
int f, n; /* default flag and numeric argument */
insspace(f, n)
/* insert spaces forward into text */
int f, n; /* default flag and numeric argument */
{
linsert(n, ' ');
@ -132,14 +132,15 @@ int f, n; /* default flag and numeric argument */
*/
linstr(instr)
char *instr;
char *instr;
{
register int status = TRUE;
char tmpc;
if (instr != NULL)
while ((tmpc = *instr) && status == TRUE) {
status = (tmpc == '\n'? lnewline(): linsert(1, tmpc));
status =
(tmpc == '\n' ? lnewline() : linsert(1, tmpc));
/* Insertion error? */
if (status != TRUE) {
@ -148,7 +149,7 @@ char *instr;
}
instr++;
}
return(status);
return (status);
}
/*
@ -163,40 +164,40 @@ char *instr;
linsert(n, c)
{
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register LINE *lp3;
register int doto;
register int i;
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register LINE *lp3;
register int doto;
register int i;
register WINDOW *wp;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
lchange(WFEDIT);
lp1 = curwp->w_dotp; /* Current line */
if (lp1 == curbp->b_linep) { /* At the end: special */
lp1 = curwp->w_dotp; /* Current line */
if (lp1 == curbp->b_linep) { /* At the end: special */
if (curwp->w_doto != 0) {
mlwrite("bug: linsert");
return (FALSE);
}
if ((lp2=lalloc(n)) == NULL) /* Allocate new line */
if ((lp2 = lalloc(n)) == NULL) /* Allocate new line */
return (FALSE);
lp3 = lp1->l_bp; /* Previous line */
lp3->l_fp = lp2; /* Link in */
lp3 = lp1->l_bp; /* Previous line */
lp3->l_fp = lp2; /* Link in */
lp2->l_fp = lp1;
lp1->l_bp = lp2;
lp2->l_bp = lp3;
for (i=0; i<n; ++i)
for (i = 0; i < n; ++i)
lp2->l_text[i] = c;
curwp->w_dotp = lp2;
curwp->w_doto = n;
return (TRUE);
}
doto = curwp->w_doto; /* Save for later. */
if (lp1->l_used+n > lp1->l_size) { /* Hard: reallocate */
if ((lp2=lalloc(lp1->l_used+n)) == NULL)
doto = curwp->w_doto; /* Save for later. */
if (lp1->l_used + n > lp1->l_size) { /* Hard: reallocate */
if ((lp2 = lalloc(lp1->l_used + n)) == NULL)
return (FALSE);
cp1 = &lp1->l_text[0];
cp2 = &lp2->l_text[0];
@ -210,23 +211,23 @@ linsert(n, c)
lp1->l_fp->l_bp = lp2;
lp2->l_bp = lp1->l_bp;
free((char *) lp1);
} else { /* Easy: in place */
lp2 = lp1; /* Pretend new line */
} else { /* Easy: in place */
lp2 = lp1; /* Pretend new line */
lp2->l_used += n;
cp2 = &lp1->l_text[lp1->l_used];
cp1 = cp2-n;
cp1 = cp2 - n;
while (cp1 != &lp1->l_text[doto])
*--cp2 = *--cp1;
}
for (i=0; i<n; ++i) /* Add the characters */
lp2->l_text[doto+i] = c;
wp = wheadp; /* Update windows */
for (i = 0; i < n; ++i) /* Add the characters */
lp2->l_text[doto + i] = c;
wp = wheadp; /* Update windows */
while (wp != NULL) {
if (wp->w_linep == lp1)
wp->w_linep = lp2;
if (wp->w_dotp == lp1) {
wp->w_dotp = lp2;
if (wp==curwp || wp->w_doto>doto)
if (wp == curwp || wp->w_doto > doto)
wp->w_doto += n;
}
if (wp->w_markp == lp1) {
@ -246,14 +247,14 @@ linsert(n, c)
lowrite(c)
char c; /* character to overwrite on current position */
char c; /* character to overwrite on current position */
{
if (curwp->w_doto < curwp->w_dotp->l_used &&
(lgetc(curwp->w_dotp, curwp->w_doto) != '\t' ||
((curwp->w_doto) & tabmask) == tabmask))
ldelete(1L, FALSE);
return(linsert(1, c));
(lgetc(curwp->w_dotp, curwp->w_doto) != '\t' ||
((curwp->w_doto) & tabmask) == tabmask))
ldelete(1L, FALSE);
return (linsert(1, c));
}
/*
@ -262,7 +263,7 @@ char c; /* character to overwrite on current position */
lover(ostr)
char *ostr;
char *ostr;
{
register int status = TRUE;
@ -270,16 +271,18 @@ char *ostr;
if (ostr != NULL)
while ((tmpc = *ostr) && status == TRUE) {
status = (tmpc == '\n'? lnewline(): lowrite(tmpc));
status =
(tmpc == '\n' ? lnewline() : lowrite(tmpc));
/* Insertion error? */
if (status != TRUE) {
mlwrite("%%Out of memory while overwriting");
mlwrite
("%%Out of memory while overwriting");
break;
}
ostr++;
}
return(status);
return (status);
}
/*
@ -292,25 +295,25 @@ char *ostr;
*/
lnewline()
{
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register int doto;
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register int doto;
register WINDOW *wp;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
#if SCROLLCODE
lchange(WFHARD|WFINS);
lchange(WFHARD | WFINS);
#else
lchange(WFHARD);
#endif
lp1 = curwp->w_dotp; /* Get the address and */
doto = curwp->w_doto; /* offset of "." */
if ((lp2=lalloc(doto)) == NULL) /* New first half line */
lp1 = curwp->w_dotp; /* Get the address and */
doto = curwp->w_doto; /* offset of "." */
if ((lp2 = lalloc(doto)) == NULL) /* New first half line */
return (FALSE);
cp1 = &lp1->l_text[0]; /* Shuffle text around */
cp1 = &lp1->l_text[0]; /* Shuffle text around */
cp2 = &lp2->l_text[0];
while (cp1 != &lp1->l_text[doto])
*cp2++ = *cp1++;
@ -322,7 +325,7 @@ lnewline()
lp1->l_bp = lp2;
lp2->l_bp->l_fp = lp2;
lp2->l_fp = lp1;
wp = wheadp; /* Windows */
wp = wheadp; /* Windows */
while (wp != NULL) {
if (wp->w_linep == lp1)
wp->w_linep = lp2;
@ -351,43 +354,43 @@ lnewline()
*/
ldelete(n, kflag)
long n; /* # of chars to delete */
int kflag; /* put killed text in kill buffer flag */
long n; /* # of chars to delete */
int kflag; /* put killed text in kill buffer flag */
{
register char *cp1;
register char *cp2;
register LINE *dotp;
register int doto;
register int chunk;
register char *cp1;
register char *cp2;
register LINE *dotp;
register int doto;
register int chunk;
register WINDOW *wp;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
while (n != 0) {
dotp = curwp->w_dotp;
doto = curwp->w_doto;
if (dotp == curbp->b_linep) /* Hit end of buffer. */
if (dotp == curbp->b_linep) /* Hit end of buffer. */
return (FALSE);
chunk = dotp->l_used-doto; /* Size of chunk. */
chunk = dotp->l_used - doto; /* Size of chunk. */
if (chunk > n)
chunk = n;
if (chunk == 0) { /* End of line, merge. */
if (chunk == 0) { /* End of line, merge. */
#if SCROLLCODE
lchange(WFHARD|WFKILLS);
lchange(WFHARD | WFKILLS);
#else
lchange(WFHARD);
#endif
if (ldelnewline() == FALSE
|| (kflag!=FALSE && kinsert('\n')==FALSE))
|| (kflag != FALSE && kinsert('\n') == FALSE))
return (FALSE);
--n;
continue;
}
lchange(WFEDIT);
cp1 = &dotp->l_text[doto]; /* Scrunch text. */
cp1 = &dotp->l_text[doto]; /* Scrunch text. */
cp2 = cp1 + chunk;
if (kflag != FALSE) { /* Kill? */
if (kflag != FALSE) { /* Kill? */
while (cp1 != cp2) {
if (kinsert(*cp1) == FALSE)
return (FALSE);
@ -398,14 +401,14 @@ int kflag; /* put killed text in kill buffer flag */
while (cp2 != &dotp->l_text[dotp->l_used])
*cp1++ = *cp2++;
dotp->l_used -= chunk;
wp = wheadp; /* Fix windows */
wp = wheadp; /* Fix windows */
while (wp != NULL) {
if (wp->w_dotp==dotp && wp->w_doto>=doto) {
if (wp->w_dotp == dotp && wp->w_doto >= doto) {
wp->w_doto -= chunk;
if (wp->w_doto < doto)
wp->w_doto = doto;
}
if (wp->w_markp==dotp && wp->w_marko>=doto) {
if (wp->w_markp == dotp && wp->w_marko >= doto) {
wp->w_marko -= chunk;
if (wp->w_marko < doto)
wp->w_marko = doto;
@ -422,7 +425,6 @@ int kflag; /* put killed text in kill buffer flag */
*/
char *getctext()
{
register LINE *lp; /* line to copy */
register int size; /* length of line to return */
@ -442,14 +444,14 @@ char *getctext()
while (size--)
*dp++ = *sp++;
*dp = 0;
return(rline);
return (rline);
}
/* putctext: replace the current line with the passed in text */
putctext(iline)
char *iline; /* contents of new line */
char *iline; /* contents of new line */
{
register int status;
@ -457,14 +459,14 @@ char *iline; /* contents of new line */
/* delete the current line */
curwp->w_doto = 0; /* starting at the beginning of the line */
if ((status = killtext(TRUE, 1)) != TRUE)
return(status);
return (status);
/* insert the new line */
if ((status = linstr(iline)) != TRUE)
return(status);
return (status);
status = lnewline();
backline(TRUE, 1);
return(status);
return (status);
}
/*
@ -478,23 +480,23 @@ char *iline; /* contents of new line */
*/
ldelnewline()
{
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register LINE *lp3;
register char *cp1;
register char *cp2;
register LINE *lp1;
register LINE *lp2;
register LINE *lp3;
register WINDOW *wp;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
lp1 = curwp->w_dotp;
lp2 = lp1->l_fp;
if (lp2 == curbp->b_linep) { /* At the buffer end. */
if (lp1->l_used == 0) /* Blank line. */
if (lp2 == curbp->b_linep) { /* At the buffer end. */
if (lp1->l_used == 0) /* Blank line. */
lfree(lp1);
return (TRUE);
}
if (lp2->l_used <= lp1->l_size-lp1->l_used) {
if (lp2->l_used <= lp1->l_size - lp1->l_used) {
cp1 = &lp1->l_text[lp1->l_used];
cp2 = &lp2->l_text[0];
while (cp2 != &lp2->l_text[lp2->l_used])
@ -504,11 +506,11 @@ ldelnewline()
if (wp->w_linep == lp2)
wp->w_linep = lp1;
if (wp->w_dotp == lp2) {
wp->w_dotp = lp1;
wp->w_dotp = lp1;
wp->w_doto += lp1->l_used;
}
if (wp->w_markp == lp2) {
wp->w_markp = lp1;
wp->w_markp = lp1;
wp->w_marko += lp1->l_used;
}
wp = wp->w_wndp;
@ -519,7 +521,7 @@ ldelnewline()
free((char *) lp2);
return (TRUE);
}
if ((lp3=lalloc(lp1->l_used+lp2->l_used)) == NULL)
if ((lp3 = lalloc(lp1->l_used + lp2->l_used)) == NULL)
return (FALSE);
cp1 = &lp1->l_text[0];
cp2 = &lp3->l_text[0];
@ -534,18 +536,18 @@ ldelnewline()
lp3->l_bp = lp1->l_bp;
wp = wheadp;
while (wp != NULL) {
if (wp->w_linep==lp1 || wp->w_linep==lp2)
if (wp->w_linep == lp1 || wp->w_linep == lp2)
wp->w_linep = lp3;
if (wp->w_dotp == lp1)
wp->w_dotp = lp3;
wp->w_dotp = lp3;
else if (wp->w_dotp == lp2) {
wp->w_dotp = lp3;
wp->w_dotp = lp3;
wp->w_doto += lp1->l_used;
}
if (wp->w_markp == lp1)
wp->w_markp = lp3;
wp->w_markp = lp3;
else if (wp->w_markp == lp2) {
wp->w_markp = lp3;
wp->w_markp = lp3;
wp->w_marko += lp1->l_used;
}
wp = wp->w_wndp;
@ -562,7 +564,7 @@ ldelnewline()
*/
kdelete()
{
KILL *kp; /* ptr to scan kill buffer chunk list */
KILL *kp; /* ptr to scan kill buffer chunk list */
if (kbufh != NULL) {
@ -576,7 +578,7 @@ kdelete()
/* and reset all the kill buffer pointers */
kbufh = kbufp = NULL;
kused = KBLOCK;
kused = KBLOCK;
}
}
@ -587,15 +589,15 @@ kdelete()
kinsert(c)
int c; /* character to insert in the kill buffer */
int c; /* character to insert in the kill buffer */
{
KILL *nchunk; /* ptr to newly malloced chunk */
KILL *nchunk; /* ptr to newly malloced chunk */
/* check to see if we need a new chunk */
if (kused >= KBLOCK) {
if ((nchunk = (KILL *)malloc(sizeof(KILL))) == NULL)
return(FALSE);
if ((nchunk = (KILL *) malloc(sizeof(KILL))) == NULL)
return (FALSE);
if (kbufh == NULL) /* set head ptr if first time */
kbufh = nchunk;
if (kbufp != NULL) /* point the current to this new one */
@ -607,7 +609,7 @@ int c; /* character to insert in the kill buffer */
/* and now insert the character */
kbufp->d_chunk[kused++] = c;
return(TRUE);
return (TRUE);
}
/*
@ -617,18 +619,18 @@ int c; /* character to insert in the kill buffer */
*/
yank(f, n)
{
register int c;
register int i;
register char *sp; /* pointer into string to insert */
register int c;
register int i;
register char *sp; /* pointer into string to insert */
KILL *kp; /* pointer into kill buffer */
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (n < 0)
return (FALSE);
/* make sure there is something to yank */
if (kbufh == NULL)
return(TRUE); /* not an error, just nothing */
return (TRUE); /* not an error, just nothing */
/* for each time.... */
while (n--) {

59
lock.c
View File

@ -16,14 +16,14 @@
extern int sys_nerr; /* number of system error messages defined */
extern int errno; /* current error */
char *lname[NLOCKS]; /* names of all locked files */
int numlocks; /* # of current locks active */
char *lname[NLOCKS]; /* names of all locked files */
int numlocks; /* # of current locks active */
/* lockchk: check a file for locking and add it to the list */
lockchk(fname)
char *fname; /* file to check for a lock */
char *fname; /* file to check for a lock */
{
register int i; /* loop indexes */
@ -32,41 +32,40 @@ char *fname; /* file to check for a lock */
/* check to see if that file is already locked here */
if (numlocks > 0)
for (i=0; i < numlocks; ++i)
for (i = 0; i < numlocks; ++i)
if (strcmp(fname, lname[i]) == 0)
return(TRUE);
return (TRUE);
/* if we have a full locking table, bitch and leave */
if (numlocks == NLOCKS) {
mlwrite("LOCK ERROR: Lock table full");
return(ABORT);
return (ABORT);
}
/* next, try to lock it */
status = lock(fname);
if (status == ABORT) /* file is locked, no override */
return(ABORT);
return (ABORT);
if (status == FALSE) /* locked, overriden, dont add to table */
return(TRUE);
return (TRUE);
/* we have now locked it, add it to our table */
lname[++numlocks - 1] = (char *)malloc(strlen(fname) + 1);
lname[++numlocks - 1] = (char *) malloc(strlen(fname) + 1);
if (lname[numlocks - 1] == NULL) { /* malloc failure */
undolock(fname); /* free the lock */
undolock(fname); /* free the lock */
mlwrite("Cannot lock, out of memory");
--numlocks;
return(ABORT);
return (ABORT);
}
/* everthing is cool, add it to the table */
strcpy(lname[numlocks-1], fname);
return(TRUE);
strcpy(lname[numlocks - 1], fname);
return (TRUE);
}
/* lockrel: release all the file locks so others may edit */
lockrel()
{
register int i; /* loop index */
register int status; /* status of locks */
@ -74,13 +73,13 @@ lockrel()
status = TRUE;
if (numlocks > 0)
for (i=0; i < numlocks; ++i) {
for (i = 0; i < numlocks; ++i) {
if ((s = unlock(lname[i])) != TRUE)
status = s;
free(lname[i]);
}
numlocks = 0;
return(status);
return (status);
}
/* lock: Check and lock a file from access by others
@ -91,7 +90,7 @@ lockrel()
lock(fname)
char *fname; /* file name to lock */
char *fname; /* file name to lock */
{
register char *locker; /* lock error message */
@ -102,23 +101,23 @@ char *fname; /* file name to lock */
/* attempt to lock the file */
locker = dolock(fname);
if (locker == NULL) /* we win */
return(TRUE);
return (TRUE);
/* file failed...abort */
if (strncmp(locker, "LOCK", 4) == 0) {
lckerror(locker);
return(ABORT);
return (ABORT);
}
/* someone else has it....override? */
strcpy(msg, "File in use by ");
strcat(msg, locker);
strcat(msg, ", override?");
status = mlyesno(msg); /* ask them */
status = mlyesno(msg); /* ask them */
if (status == TRUE)
return(FALSE);
return (FALSE);
else
return(ABORT);
return (ABORT);
}
/* unlock: Unlock a file
@ -127,7 +126,7 @@ char *fname; /* file name to lock */
unlock(fname)
char *fname; /* file to unlock */
char *fname; /* file to unlock */
{
register char *locker; /* undolock return string */
@ -136,16 +135,16 @@ char *fname; /* file to unlock */
/* unclock and return */
locker = undolock(fname);
if (locker == NULL)
return(TRUE);
return (TRUE);
/* report the error and come back */
lckerror(locker);
return(FALSE);
return (FALSE);
}
lckerror(errstr) /* report a lock error */
char *errstr; /* lock error string to print out */
lckerror(errstr)
/* report a lock error */
char *errstr; /* lock error string to print out */
{
char obuf[NSTRING]; /* output buffer for error message */
@ -160,7 +159,7 @@ char *errstr; /* lock error string to print out */
}
#endif
#else
lckhello() /* dummy function */
{
lckhello()
{ /* dummy function */
}
#endif

597
main.c
View File

@ -57,7 +57,7 @@
#define maindef
#include "estruct.h" /* global structures and defines */
#include "efunc.h" /* function declarations and name table */
#include "efunc.h" /* function declarations and name table */
#include "edef.h" /* global definitions */
#include "ebind.h" /* default key bindings */
@ -84,7 +84,7 @@ extern unsigned _stklen = 32766;
#include <signal.h>
static void emergencyexit();
#ifdef SIGWINCH
extern void sizesignal();
extern void sizesignal();
#endif
#endif
@ -93,37 +93,37 @@ emacs(argc, argv)
#else
main(argc, argv)
#endif
int argc; /* # of arguments */
char *argv[]; /* argument strings */
int argc; /* # of arguments */
char *argv[]; /* argument strings */
{
register int c; /* command character */
register int f; /* default flag */
register int n; /* numeric repeat count */
register int mflag; /* negative flag on repeat */
register BUFFER *bp; /* temp buffer pointer */
register int firstfile; /* first file flag */
register int carg; /* current arg to scan */
register int startflag; /* startup executed flag */
BUFFER *firstbp = NULL; /* ptr to first buffer in cmd line */
int basec; /* c stripped of meta character */
int viewflag; /* are we starting in view mode? */
int gotoflag; /* do we need to goto a line at start? */
int gline; /* if so, what line? */
int searchflag; /* Do we need to search at start? */
int saveflag; /* temp store for lastflag */
int errflag; /* C error processing? */
char bname[NBUFN]; /* buffer name of file to read */
register int c; /* command character */
register int f; /* default flag */
register int n; /* numeric repeat count */
register int mflag; /* negative flag on repeat */
register BUFFER *bp; /* temp buffer pointer */
register int firstfile; /* first file flag */
register int carg; /* current arg to scan */
register int startflag; /* startup executed flag */
BUFFER *firstbp = NULL; /* ptr to first buffer in cmd line */
int basec; /* c stripped of meta character */
int viewflag; /* are we starting in view mode? */
int gotoflag; /* do we need to goto a line at start? */
int gline; /* if so, what line? */
int searchflag; /* Do we need to search at start? */
int saveflag; /* temp store for lastflag */
int errflag; /* C error processing? */
char bname[NBUFN]; /* buffer name of file to read */
#if CRYPT
int cryptflag; /* encrypting on the way in? */
char ekey[NPAT]; /* startup encryption key */
int cryptflag; /* encrypting on the way in? */
char ekey[NPAT]; /* startup encryption key */
#endif
char *strncpy();
extern *pathname[]; /* startup file path/name array */
extern *pathname[]; /* startup file path/name array */
int newc;
#if PKCODE
int (*getbind())();
int (*execfunc)(); /* ptr to function to execute */
int (*getbind()) ();
int (*execfunc) (); /* ptr to function to execute */
#endif
#if PKCODE & VMS
@ -141,8 +141,8 @@ char *argv[]; /* argument strings */
#endif
/* initialize the editor */
vtinit(); /* Display */
edinit("main"); /* Buffers, windows */
vtinit(); /* Display */
edinit("main"); /* Buffers, windows */
varinit(); /* user variables */
viewflag = FALSE; /* view mode defaults off in command line */
@ -171,51 +171,51 @@ char *argv[]; /* argument strings */
if (argv[carg][0] == '-') {
switch (argv[carg][1]) {
/* Process Startup macroes */
case 'a': /* process error file */
case 'A':
errflag = TRUE;
break;
case 'e': /* -e for Edit file */
case 'E':
viewflag = FALSE;
break;
case 'g': /* -g for initial goto */
case 'G':
gotoflag = TRUE;
gline = atoi(&argv[carg][2]);
break;
case 'a': /* process error file */
case 'A':
errflag = TRUE;
break;
case 'e': /* -e for Edit file */
case 'E':
viewflag = FALSE;
break;
case 'g': /* -g for initial goto */
case 'G':
gotoflag = TRUE;
gline = atoi(&argv[carg][2]);
break;
#if CRYPT
case 'k': /* -k<key> for code key */
case 'K':
cryptflag = TRUE;
strcpy(ekey, &argv[carg][2]);
break;
case 'k': /* -k<key> for code key */
case 'K':
cryptflag = TRUE;
strcpy(ekey, &argv[carg][2]);
break;
#endif
#if PKCODE
case 'n': /* -n accept null chars */
case 'N':
nullflag = TRUE;
break;
case 'n': /* -n accept null chars */
case 'N':
nullflag = TRUE;
break;
#endif
case 'r': /* -r restrictive use */
case 'R':
restflag = TRUE;
break;
case 's': /* -s for initial search string */
case 'S':
searchflag = TRUE;
strncpy(pat,&argv[carg][2],NPAT);
break;
case 'v': /* -v for View File */
case 'V':
viewflag = TRUE;
break;
default: /* unknown switch */
/* ignore this for now */
break;
case 'r': /* -r restrictive use */
case 'R':
restflag = TRUE;
break;
case 's': /* -s for initial search string */
case 'S':
searchflag = TRUE;
strncpy(pat, &argv[carg][2], NPAT);
break;
case 'v': /* -v for View File */
case 'V':
viewflag = TRUE;
break;
default: /* unknown switch */
/* ignore this for now */
break;
}
} else if (argv[carg][0]== '@') {
} else if (argv[carg][0] == '@') {
/* Process Startup macroes */
if (startup(&argv[carg][1]) == TRUE)
@ -227,7 +227,7 @@ char *argv[]; /* argument strings */
/* Process an input file */
/* set up a buffer for this file */
makename(bname, argv[carg]);
makename(bname, argv[carg]);
unqname(bname);
/* set this to inactive */
@ -245,7 +245,7 @@ char *argv[]; /* argument strings */
#if CRYPT
if (cryptflag) {
bp->b_mode |= MDCRYPT;
crypt((char *)NULL, 0);
crypt((char *) NULL, 0);
crypt(ekey, strlen(ekey));
strncpy(bp->b_key, ekey, NPAT);
}
@ -254,7 +254,7 @@ char *argv[]; /* argument strings */
}
#if UNIX
signal(SIGHUP, emergencyexit);
signal(SIGHUP, emergencyexit);
signal(SIGTERM, emergencyexit);
#endif
@ -270,7 +270,7 @@ char *argv[]; /* argument strings */
startup("");
startflag = TRUE;
}
discmd = TRUE; /* P.K. */
discmd = TRUE; /* P.K. */
/* if there are any files to read, read the first one! */
bp = bfind("main", FALSE, 0);
@ -280,85 +280,79 @@ char *argv[]; /* argument strings */
} else
bp->b_mode |= gmode;
/* Deal with startup gotos and searches */
if (gotoflag && searchflag) {
update(FALSE);
/* Deal with startup gotos and searches */
if (gotoflag && searchflag) {
update(FALSE);
mlwrite("(Can not search and goto at the same time!)");
}
else if (gotoflag) {
if (gotoline(TRUE,gline) == FALSE) {
update(FALSE);
} else if (gotoflag) {
if (gotoline(TRUE, gline) == FALSE) {
update(FALSE);
mlwrite("(Bogus goto argument)");
}
} else if (searchflag) {
if (forwhunt(FALSE, 0) == FALSE)
update(FALSE);
}
} else if (searchflag) {
if (forwhunt(FALSE, 0) == FALSE)
update(FALSE);
}
/* setup to process commands */
lastflag = 0; /* Fake last flags. */
lastflag = 0; /* Fake last flags. */
loop:
loop:
#if CALLED
/* if we were called as a subroutine and want to leave, do so */
if (eexitflag)
return(eexitval);
return (eexitval);
#endif
/* execute the "command" macro...normally null */
saveflag = lastflag; /* preserve lastflag through this */
execute(META|SPEC|'C', FALSE, 1);
execute(META | SPEC | 'C', FALSE, 1);
lastflag = saveflag;
#if TYPEAH && PKCODE
if (typahead())
{
if (typahead()) {
newc = getcmd();
update(FALSE);
do
{
do {
if (c == newc && (execfunc = getbind(c)) != NULL
&& execfunc != newline
&& execfunc != tab)
&& execfunc != newline && execfunc != tab)
newc = getcmd();
else
break;
} while (typahead());
c = newc;
}
else
{
} else {
update(FALSE);
c = getcmd();
}
#else
/* Fix up the screen */
update(FALSE);
update(FALSE);
/* get the next command from the keyboard */
c = getcmd();
#endif
/* if there is something on the command line, clear it */
if (mpresf != FALSE) {
mlerase();
update(FALSE);
if (mpresf != FALSE) {
mlerase();
update(FALSE);
#if CLRMSG
if (c == ' ') /* ITS EMACS does this */
goto loop;
if (c == ' ') /* ITS EMACS does this */
goto loop;
#endif
}
f = FALSE;
n = 1;
}
f = FALSE;
n = 1;
/* do META-# processing if needed */
basec = c & ~META; /* strip meta char off if there */
basec = c & ~META; /* strip meta char off if there */
if ((c & META) && ((basec >= '0' && basec <= '9') || basec == '-')) {
f = TRUE; /* there is a # arg */
n = 0; /* start with a zero default */
mflag = 1; /* current minus flag */
c = basec; /* strip the META */
f = TRUE; /* there is a # arg */
n = 0; /* start with a zero default */
mflag = 1; /* current minus flag */
c = basec; /* strip the META */
while ((c >= '0' && c <= '9') || (c == '-')) {
if (c == '-') {
/* already hit a minus or digit? */
@ -371,7 +365,7 @@ loop:
if ((n == 0) && (mflag == -1)) /* lonely - */
mlwrite("Arg:");
else
mlwrite("Arg: %d",n * mflag);
mlwrite("Arg: %d", n * mflag);
c = getcmd(); /* get the next key */
}
@ -380,54 +374,56 @@ loop:
/* do ^U repeat argument processing */
if (c == reptc) { /* ^U, start argument */
f = TRUE;
n = 4; /* with argument of 4 */
mflag = 0; /* that can be discarded. */
mlwrite("Arg: 4");
while ((c=getcmd()) >='0' && c<='9' || c==reptc || c=='-'){
if (c == reptc)
if ((n > 0) == ((n*4) > 0))
n = n*4;
else
n = 1;
/*
* If dash, and start of argument string, set arg.
* to -1. Otherwise, insert it.
*/
else if (c == '-') {
if (mflag)
break;
n = 0;
mflag = -1;
}
/*
* If first digit entered, replace previous argument
* with digit and set sign. Otherwise, append to arg.
*/
else {
if (!mflag) {
n = 0;
mflag = 1;
}
n = 10*n + c - '0';
}
mlwrite("Arg: %d", (mflag >=0) ? n : (n ? -n : -1));
}
/*
* Make arguments preceded by a minus sign negative and change
* the special argument "^U -" to an effective "^U -1".
*/
if (mflag == -1) {
if (n == 0)
n++;
n = -n;
}
}
if (c == reptc) { /* ^U, start argument */
f = TRUE;
n = 4; /* with argument of 4 */
mflag = 0; /* that can be discarded. */
mlwrite("Arg: 4");
while ((c = getcmd()) >= '0' && c <= '9' || c == reptc
|| c == '-') {
if (c == reptc)
if ((n > 0) == ((n * 4) > 0))
n = n * 4;
else
n = 1;
/*
* If dash, and start of argument string, set arg.
* to -1. Otherwise, insert it.
*/
else if (c == '-') {
if (mflag)
break;
n = 0;
mflag = -1;
}
/*
* If first digit entered, replace previous argument
* with digit and set sign. Otherwise, append to arg.
*/
else {
if (!mflag) {
n = 0;
mflag = 1;
}
n = 10 * n + c - '0';
}
mlwrite("Arg: %d",
(mflag >= 0) ? n : (n ? -n : -1));
}
/*
* Make arguments preceded by a minus sign negative and change
* the special argument "^U -" to an effective "^U -1".
*/
if (mflag == -1) {
if (n == 0)
n++;
n = -n;
}
}
/* and execute the command */
execute(c, f, n);
goto loop;
execute(c, f, n);
goto loop;
}
/*
@ -436,37 +432,37 @@ loop:
* file by default, and we want the buffer name to be right.
*/
edinit(bname)
char bname[];
char bname[];
{
register BUFFER *bp;
register WINDOW *wp;
register BUFFER *bp;
register WINDOW *wp;
char *malloc();
bp = bfind(bname, TRUE, 0); /* First buffer */
blistp = bfind("*List*", TRUE, BFINVS); /* Buffer list buffer */
wp = (WINDOW *) malloc(sizeof(WINDOW)); /* First window */
if (bp==NULL || wp==NULL || blistp==NULL)
exit(1);
curbp = bp; /* Make this current */
wheadp = wp;
curwp = wp;
wp->w_wndp = NULL; /* Initialize window */
wp->w_bufp = bp;
bp->b_nwnd = 1; /* Displayed. */
wp->w_linep = bp->b_linep;
wp->w_dotp = bp->b_linep;
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_toprow = 0;
bp = bfind(bname, TRUE, 0); /* First buffer */
blistp = bfind("*List*", TRUE, BFINVS); /* Buffer list buffer */
wp = (WINDOW *) malloc(sizeof(WINDOW)); /* First window */
if (bp == NULL || wp == NULL || blistp == NULL)
exit(1);
curbp = bp; /* Make this current */
wheadp = wp;
curwp = wp;
wp->w_wndp = NULL; /* Initialize window */
wp->w_bufp = bp;
bp->b_nwnd = 1; /* Displayed. */
wp->w_linep = bp->b_linep;
wp->w_dotp = bp->b_linep;
wp->w_doto = 0;
wp->w_markp = NULL;
wp->w_marko = 0;
wp->w_toprow = 0;
#if COLOR
/* initalize colors to global defaults */
wp->w_fcolor = gfcolor;
wp->w_bcolor = gbcolor;
#endif
wp->w_ntrows = term.t_nrow-1; /* "-1" for mode line. */
wp->w_force = 0;
wp->w_flag = WFMODE|WFHARD; /* Full. */
wp->w_ntrows = term.t_nrow - 1; /* "-1" for mode line. */
wp->w_force = 0;
wp->w_flag = WFMODE | WFHARD; /* Full. */
}
/*
@ -477,70 +473,70 @@ char bname[];
*/
execute(c, f, n)
{
register int status;
int (*execfunc)(); /* ptr to function to execute */
int (*getbind())();
register int status;
int (*execfunc) (); /* ptr to function to execute */
int (*getbind()) ();
/* if the keystroke is a bound function...do it */
execfunc = getbind(c);
if (execfunc != NULL) {
if (execfunc != NULL) {
thisflag = 0;
status = (*execfunc)(f, n);
status = (*execfunc) (f, n);
lastflag = thisflag;
return (status);
}
}
/*
* If a space was typed, fill column is defined, the argument is non-
* negative, wrap mode is enabled, and we are now past fill column,
/*
* If a space was typed, fill column is defined, the argument is non-
* negative, wrap mode is enabled, and we are now past fill column,
* and we are not read-only, perform word wrap.
*/
if (c == ' ' && (curwp->w_bufp->b_mode & MDWRAP) && fillcol > 0 &&
*/
if (c == ' ' && (curwp->w_bufp->b_mode & MDWRAP) && fillcol > 0 &&
n >= 0 && getccol(FALSE) > fillcol &&
(curwp->w_bufp->b_mode & MDVIEW) == FALSE)
execute(META|SPEC|'W', FALSE, 1);
execute(META | SPEC | 'W', FALSE, 1);
#if PKCODE
if ((c>=0x20 && c<=0x7E) /* Self inserting. */
if ((c >= 0x20 && c <= 0x7E) /* Self inserting. */
#if IBMPC
|| (c>=0x80 && c<=0xFE)) {
|| (c >= 0x80 && c <= 0xFE)) {
#else
#if VMS || BSD || USG /* 8BIT P.K. */
|| (c>=0xA0 && c<=0xFE)) {
#if VMS || BSD || USG /* 8BIT P.K. */
|| (c >= 0xA0 && c <= 0xFE)) {
#else
) {
) {
#endif
#endif
#else
if ((c>=0x20 && c<=0xFF)) { /* Self inserting. */
if ((c >= 0x20 && c <= 0xFF)) { /* Self inserting. */
#endif
if (n <= 0) { /* Fenceposts. */
lastflag = 0;
return (n<0 ? FALSE : TRUE);
}
thisflag = 0; /* For the future. */
if (n <= 0) { /* Fenceposts. */
lastflag = 0;
return (n < 0 ? FALSE : TRUE);
}
thisflag = 0; /* For the future. */
/* if we are in overwrite mode, not at eol,
and next char is not a tab or we are at a tab stop,
delete a char forword */
delete a char forword */
if (curwp->w_bufp->b_mode & MDOVER &&
curwp->w_doto < curwp->w_dotp->l_used &&
(lgetc(curwp->w_dotp, curwp->w_doto) != '\t' ||
(curwp->w_doto) % 8 == 7))
ldelete(1L, FALSE);
(lgetc(curwp->w_dotp, curwp->w_doto) != '\t' ||
(curwp->w_doto) % 8 == 7))
ldelete(1L, FALSE);
/* do the appropriate insertion */
if (c == '}' && (curbp->b_mode & MDCMOD) != 0)
status = insbrace(n, c);
else if (c == '#' && (curbp->b_mode & MDCMOD) != 0)
status = inspound();
else
status = linsert(n, c);
status = insbrace(n, c);
else if (c == '#' && (curbp->b_mode & MDCMOD) != 0)
status = inspound();
else
status = linsert(n, c);
#if CFENCE
/* check for CMODE fence matching */
if ((c == '}' || c == ')' || c == ']') &&
(curbp->b_mode & MDCMOD) != 0)
(curbp->b_mode & MDCMOD) != 0)
fmatch(c);
#endif
@ -553,13 +549,13 @@ execute(c, f, n)
gacount = gasave;
}
lastflag = thisflag;
return (status);
}
lastflag = thisflag;
return (status);
}
TTbeep();
mlwrite("(Key not bound)"); /* complain */
lastflag = 0; /* Fake last flags. */
return (FALSE);
mlwrite("(Key not bound)"); /* complain */
lastflag = 0; /* Fake last flags. */
return (FALSE);
}
/*
@ -569,38 +565,38 @@ execute(c, f, n)
quickexit(f, n)
{
register BUFFER *bp; /* scanning pointer to buffers */
register BUFFER *oldcb; /* original current buffer */
register BUFFER *oldcb; /* original current buffer */
register int status;
oldcb = curbp; /* save in case we fail */
oldcb = curbp; /* save in case we fail */
bp = bheadp;
while (bp != NULL) {
if ((bp->b_flag&BFCHG) != 0 /* Changed. */
&& (bp->b_flag&BFTRUNC) == 0 /* Not truncated P.K. */
&& (bp->b_flag&BFINVS) == 0) { /* Real. */
curbp = bp; /* make that buffer cur */
mlwrite("(Saving %s)",bp->b_fname);
if ((bp->b_flag & BFCHG) != 0 /* Changed. */
&& (bp->b_flag & BFTRUNC) == 0 /* Not truncated P.K. */
&& (bp->b_flag & BFINVS) == 0) { /* Real. */
curbp = bp; /* make that buffer cur */
mlwrite("(Saving %s)", bp->b_fname);
#if PKCODE
#else
mlwrite("\n");
#endif
if ((status = filesave(f, n)) != TRUE) {
curbp = oldcb; /* restore curbp */
return(status);
}
if ((status = filesave(f, n)) != TRUE) {
curbp = oldcb; /* restore curbp */
return (status);
}
}
bp = bp->b_bufp; /* on to the next buffer */
bp = bp->b_bufp; /* on to the next buffer */
}
quit(f, n); /* conditionally quit */
return(TRUE);
quit(f, n); /* conditionally quit */
return (TRUE);
}
static void emergencyexit(signr)
int signr;
{
quickexit(FALSE, 0);
quit(TRUE, 0);
quit(TRUE, 0);
}
/*
@ -609,12 +605,13 @@ int signr;
*/
quit(f, n)
{
register int s;
register int s;
if (f != FALSE /* Argument forces it. */
|| anycb() == FALSE /* All buffers clean. */
/* User says it's OK. */
|| (s=mlyesno("Modified buffers exist. Leave anyway")) == TRUE) {
if (f != FALSE /* Argument forces it. */
|| anycb() == FALSE /* All buffers clean. */
/* User says it's OK. */
|| (s =
mlyesno("Modified buffers exist. Leave anyway")) == TRUE) {
#if (FILOCK && BSD) || SVR4
if (lockrel() != TRUE) {
TTputc('\n');
@ -624,14 +621,14 @@ quit(f, n)
exit(1);
}
#endif
vttidy();
vttidy();
if (f)
exit(n);
else
exit(GOOD);
}
exit(GOOD);
}
mlwrite("");
return(s);
return (s);
}
/*
@ -641,15 +638,15 @@ quit(f, n)
*/
ctlxlp(f, n)
{
if (kbdmode != STOP) {
mlwrite("%%Macro already active");
return(FALSE);
}
mlwrite("(Start macro)");
if (kbdmode != STOP) {
mlwrite("%%Macro already active");
return (FALSE);
}
mlwrite("(Start macro)");
kbdptr = &kbdm[0];
kbdend = kbdptr;
kbdmode = RECORD;
return (TRUE);
kbdmode = RECORD;
return (TRUE);
}
/*
@ -658,15 +655,15 @@ ctlxlp(f, n)
*/
ctlxrp(f, n)
{
if (kbdmode == STOP) {
mlwrite("%%Macro not active");
return(FALSE);
}
if (kbdmode == RECORD) {
mlwrite("(End macro)");
kbdmode = STOP;
if (kbdmode == STOP) {
mlwrite("%%Macro not active");
return (FALSE);
}
return(TRUE);
if (kbdmode == RECORD) {
mlwrite("(End macro)");
kbdmode = STOP;
}
return (TRUE);
}
/*
@ -676,16 +673,16 @@ ctlxrp(f, n)
*/
ctlxe(f, n)
{
if (kbdmode != STOP) {
mlwrite("%%Macro already active");
return(FALSE);
}
if (n <= 0)
return (TRUE);
if (kbdmode != STOP) {
mlwrite("%%Macro already active");
return (FALSE);
}
if (n <= 0)
return (TRUE);
kbdrep = n; /* remember how many times to execute */
kbdmode = PLAY; /* start us in play mode */
kbdptr = &kbdm[0]; /* at the beginning */
return(TRUE);
return (TRUE);
}
/*
@ -695,46 +692,43 @@ ctlxe(f, n)
*/
ctrlg(f, n)
{
TTbeep();
TTbeep();
kbdmode = STOP;
mlwrite("(Aborted)");
return(ABORT);
return (ABORT);
}
/* tell the user that this command is illegal while we are in
VIEW (read-only) mode */
rdonly()
{
TTbeep();
mlwrite("(Key illegal in VIEW mode)");
return(FALSE);
return (FALSE);
}
resterr()
{
TTbeep();
mlwrite("(That command is RESTRICTED)");
return(FALSE);
return (FALSE);
}
nullproc() /* user function that does NOTHING */
{
nullproc()
{ /* user function that does NOTHING */
}
meta() /* dummy function for binding to meta prefix */
{
meta()
{ /* dummy function for binding to meta prefix */
}
cex() /* dummy function for binding to control-x prefix */
{
cex()
{ /* dummy function for binding to control-x prefix */
}
unarg() /* dummy function for binding to universal-argument */
{
unarg()
{ /* dummy function for binding to universal-argument */
}
/***** Compiler specific Library functions ****/
@ -746,12 +740,12 @@ unarg() /* dummy function for binding to universal-argument */
char *strncpy(dst, src, maxlen)
char *dst; /* destination of copied string */
char *src; /* source */
int maxlen; /* maximum length */
char *dst; /* destination of copied string */
char *src; /* source */
int maxlen; /* maximum length */
{
char *dptr; /* ptr into dst */
char *dptr; /* ptr into dst */
dptr = dst;
/* while (*src && (maxlen-- > 0))
@ -760,11 +754,11 @@ int maxlen; /* maximum length */
*dptr++ = *src++;
maxlen--;
}
*dptr = 0; /* orig */
*dptr = 0; /* orig */
/* if (maxlen > 0)
*dptr = 0; */
return(dst);
return (dst);
}
#endif
@ -781,12 +775,12 @@ int maxlen; /* maximum length */
#undef malloc
#undef free
char *allocate(nbytes) /* allocate nbytes and track */
unsigned nbytes; /* # of bytes to allocate */
char *allocate(nbytes)
/* allocate nbytes and track */
unsigned nbytes; /* # of bytes to allocate */
{
char *mp; /* ptr returned from malloc */
char *mp; /* ptr returned from malloc */
char *malloc();
mp = malloc(nbytes);
@ -797,20 +791,20 @@ unsigned nbytes; /* # of bytes to allocate */
#endif
}
return(mp);
return (mp);
}
release(mp) /* release malloced memory and track */
char *mp; /* chunk of RAM to release */
release(mp)
/* release malloced memory and track */
char *mp; /* chunk of RAM to release */
{
unsigned *lp; /* ptr to the long containing the block size */
unsigned *lp; /* ptr to the long containing the block size */
if (mp) {
/* update amount of ram currently malloced */
lp = ((unsigned *)mp) - 1;
envram -= (long)*lp - 2;
lp = ((unsigned *) mp) - 1;
envram -= (long) *lp - 2;
free(mp);
#if RAMSHOW
dspram();
@ -819,9 +813,8 @@ char *mp; /* chunk of RAM to release */
}
#if RAMSHOW
dspram() /* display the amount of RAM currently malloced */
{
dspram()
{ /* display the amount of RAM currently malloced */
char mbuf[20];
char *sp;
@ -848,7 +841,7 @@ dspram() /* display the amount of RAM currently malloced */
#if CLEAN
cexit(status)
int status; /* return status of emacs */
int status; /* return status of emacs */
{
register BUFFER *bp; /* buffer list pointer */
@ -883,7 +876,7 @@ int status; /* return status of emacs */
#if CALLED
eexitflag = TRUE; /* flag a program exit */
eexitval = status;
return(status);
return (status);
#else
#undef exit
exit(status);

41
pklock.c
View File

@ -2,7 +2,7 @@
*
* locking routines as modified by Petri Kutvonen
*/
#include "estruct.h"
#if (FILOCK && BSD) || SVR4
@ -26,7 +26,7 @@
int gethostname(char *name, int namelen)
{
return(sysinfo(SI_HOSTNAME, name, namelen));
return (sysinfo(SI_HOSTNAME, name, namelen));
}
#endif
@ -40,18 +40,18 @@ int gethostname(char *name, int namelen)
*
*********************/
char *dolock(fname)
char *fname;
char *fname;
{
int fd, lk, n;
static char lname[MAXLOCK], locker[MAXNAME+1];
static char lname[MAXLOCK], locker[MAXNAME + 1];
int mask;
struct stat sbuf;
strcat(strcpy(lname, fname), ".lock~");
/* check that we are not being cheated, qname must point to */
/* a regular file - even this code leaves a small window of */
/* vulnerability but it is rather hard to exploit it */
/* check that we are not being cheated, qname must point to */
/* a regular file - even this code leaves a small window of */
/* vulnerability but it is rather hard to exploit it */
#if defined(S_IFLNK)
if (lstat(lname, &sbuf) == 0)
@ -59,17 +59,16 @@ char *dolock(fname)
if (stat(lname, &sbuf) == 0)
#endif
#if defined(S_ISREG)
if (! S_ISREG(sbuf.st_mode))
if (!S_ISREG(sbuf.st_mode))
#else
if (! (((sbuf.st_mode) & 070000) == 0)) /* SysV R2 */
if (!(((sbuf.st_mode) & 070000) == 0)) /* SysV R2 */
#endif
return "LOCK ERROR: not a regular file";
mask = umask(0);
fd = open(lname, O_RDWR | O_CREAT, 0666);
umask(mask);
if (fd < 0)
{
if (fd < 0) {
if (errno == EACCES)
return NULL;
#ifdef EROFS
@ -78,20 +77,19 @@ char *dolock(fname)
#endif
return "LOCK ERROR: cannot access lock file";
}
if ((n = read(fd, locker, MAXNAME)) < 1)
{
if ((n = read(fd, locker, MAXNAME)) < 1) {
lseek(fd, 0, SEEK_SET);
/* strcpy(locker, getlogin()); */
cuserid(locker);
strcat(locker+strlen(locker), "@");
gethostname(locker+strlen(locker), 64);
strcat(locker + strlen(locker), "@");
gethostname(locker + strlen(locker), 64);
write(fd, locker, strlen(locker));
close(fd);
return NULL;
}
locker[n > MAXNAME ? MAXNAME : n] = 0;
return locker;
}
}
/*********************
@ -102,16 +100,15 @@ char *dolock(fname)
* if other error, returns "LOCK ERROR: explanation"
*
*********************/
char *undolock(fname)
char *fname;
char *fname;
{
int fd, lk;
static char lname[MAXLOCK];
strcat(strcpy(lname, fname), ".lock~");
if (unlink(lname) != 0)
{
if (unlink(lname) != 0) {
if (errno == EACCES || errno == ENOENT)
return NULL;
#ifdef EROFS
@ -121,5 +118,5 @@ char *undolock(fname)
return "LOCK ERROR: cannot remove lock file";
}
return NULL;
}
}
#endif

33
posix.c
View File

@ -21,16 +21,16 @@
#include <fcntl.h>
#include <errno.h>
int kbdflgs; /* saved keyboard fd flags */
int kbdpoll; /* in O_NDELAY mode */
int kbdqp; /* there is a char in kbdq */
char kbdq; /* char we've already read */
int kbdflgs; /* saved keyboard fd flags */
int kbdpoll; /* in O_NDELAY mode */
int kbdqp; /* there is a char in kbdq */
char kbdq; /* char we've already read */
struct termios otermios; /* original terminal characteristics */
struct termios ntermios; /* charactoristics to use inside */
struct termios otermios; /* original terminal characteristics */
struct termios ntermios; /* charactoristics to use inside */
#define TBUFSIZ 128
char tobuf[TBUFSIZ]; /* terminal output buffer */
char tobuf[TBUFSIZ]; /* terminal output buffer */
/*
@ -53,12 +53,13 @@ ttopen()
| INPCK | INLCR | IGNCR | ICRNL);
/* raw CR/NR etc output handling */
ntermios.c_oflag &= ~(OPOST | ONLCR | OLCUC | OCRNL | ONOCR | ONLRET);
ntermios.c_oflag &=
~(OPOST | ONLCR | OLCUC | OCRNL | ONOCR | ONLRET);
/* No signal handling, no echo etc */
ntermios.c_lflag &= ~(ISIG | ICANON | XCASE | ECHO | ECHOE | ECHOK
| ECHONL | NOFLSH | TOSTOP | ECHOCTL | ECHOPRT
| ECHOKE | FLUSHO | PENDIN | IEXTEN);
| ECHONL | NOFLSH | TOSTOP | ECHOCTL |
ECHOPRT | ECHOKE | FLUSHO | PENDIN | IEXTEN);
/* one character, no timeout */
ntermios.c_cc[VMIN] = 1;
@ -71,11 +72,11 @@ ttopen()
*/
setbuffer(stdout, &tobuf[0], TBUFSIZ);
kbdflgs = fcntl( 0, F_GETFL, 0 );
kbdflgs = fcntl(0, F_GETFL, 0);
kbdpoll = FALSE;
/* on all screens we are not sure of the initial position
of the cursor */
of the cursor */
ttrow = 999;
ttcol = 999;
}
@ -136,7 +137,7 @@ ttflush()
*/
ttgetc()
{
return(255 & fgetc(stdin)); /* 8BIT P.K. */
return (255 & fgetc(stdin)); /* 8BIT P.K. */
}
/* typahead: Check to see if any characters are already in the
@ -145,10 +146,10 @@ ttgetc()
typahead()
{
int x; /* holds # of pending chars */
int x; /* holds # of pending chars */
#ifdef FIONREAD
if (ioctl(0,FIONREAD,&x) < 0)
if (ioctl(0, FIONREAD, &x) < 0)
x = 0;
#else
x = 0;
@ -156,4 +157,4 @@ typahead()
return x;
}
#endif /* POSIX */
#endif /* POSIX */

825
random.c
View File

File diff suppressed because it is too large Load Diff

265
region.c
View File

@ -21,19 +21,19 @@
*/
killregion(f, n)
{
register int s;
REGION region;
register int s;
REGION region;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if ((s=getregion(&region)) != TRUE)
return (s);
if ((lastflag&CFKILL) == 0) /* This is a kill type */
kdelete(); /* command, so do magic */
thisflag |= CFKILL; /* kill buffer stuff. */
curwp->w_dotp = region.r_linep;
curwp->w_doto = region.r_offset;
return (ldelete(region.r_size, TRUE));
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if ((s = getregion(&region)) != TRUE)
return (s);
if ((lastflag & CFKILL) == 0) /* This is a kill type */
kdelete(); /* command, so do magic */
thisflag |= CFKILL; /* kill buffer stuff. */
curwp->w_dotp = region.r_linep;
curwp->w_doto = region.r_offset;
return (ldelete(region.r_size, TRUE));
}
/*
@ -44,32 +44,32 @@ killregion(f, n)
*/
copyregion(f, n)
{
register LINE *linep;
register int loffs;
register int s;
REGION region;
register LINE *linep;
register int loffs;
register int s;
REGION region;
if ((s=getregion(&region)) != TRUE)
return (s);
if ((lastflag&CFKILL) == 0) /* Kill type command. */
kdelete();
thisflag |= CFKILL;
linep = region.r_linep; /* Current line. */
loffs = region.r_offset; /* Current offset. */
while (region.r_size--) {
if (loffs == llength(linep)) { /* End of line. */
if ((s=kinsert('\n')) != TRUE)
return (s);
linep = lforw(linep);
loffs = 0;
} else { /* Middle of line. */
if ((s=kinsert(lgetc(linep, loffs))) != TRUE)
return (s);
++loffs;
}
}
if ((s = getregion(&region)) != TRUE)
return (s);
if ((lastflag & CFKILL) == 0) /* Kill type command. */
kdelete();
thisflag |= CFKILL;
linep = region.r_linep; /* Current line. */
loffs = region.r_offset; /* Current offset. */
while (region.r_size--) {
if (loffs == llength(linep)) { /* End of line. */
if ((s = kinsert('\n')) != TRUE)
return (s);
linep = lforw(linep);
loffs = 0;
} else { /* Middle of line. */
if ((s = kinsert(lgetc(linep, loffs))) != TRUE)
return (s);
++loffs;
}
}
mlwrite("(region copied)");
return (TRUE);
return (TRUE);
}
/*
@ -82,31 +82,31 @@ copyregion(f, n)
*/
lowerregion(f, n)
{
register LINE *linep;
register int loffs;
register int c;
register int s;
REGION region;
register LINE *linep;
register int loffs;
register int c;
register int s;
REGION region;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if ((s=getregion(&region)) != TRUE)
return (s);
lchange(WFHARD);
linep = region.r_linep;
loffs = region.r_offset;
while (region.r_size--) {
if (loffs == llength(linep)) {
linep = lforw(linep);
loffs = 0;
} else {
c = lgetc(linep, loffs);
if (c>='A' && c<='Z')
lputc(linep, loffs, c+'a'-'A');
++loffs;
}
}
return (TRUE);
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if ((s = getregion(&region)) != TRUE)
return (s);
lchange(WFHARD);
linep = region.r_linep;
loffs = region.r_offset;
while (region.r_size--) {
if (loffs == llength(linep)) {
linep = lforw(linep);
loffs = 0;
} else {
c = lgetc(linep, loffs);
if (c >= 'A' && c <= 'Z')
lputc(linep, loffs, c + 'a' - 'A');
++loffs;
}
}
return (TRUE);
}
/*
@ -119,31 +119,31 @@ lowerregion(f, n)
*/
upperregion(f, n)
{
register LINE *linep;
register int loffs;
register int c;
register int s;
REGION region;
register LINE *linep;
register int loffs;
register int c;
register int s;
REGION region;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if ((s=getregion(&region)) != TRUE)
return (s);
lchange(WFHARD);
linep = region.r_linep;
loffs = region.r_offset;
while (region.r_size--) {
if (loffs == llength(linep)) {
linep = lforw(linep);
loffs = 0;
} else {
c = lgetc(linep, loffs);
if (c>='a' && c<='z')
lputc(linep, loffs, c-'a'+'A');
++loffs;
}
}
return (TRUE);
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if ((s = getregion(&region)) != TRUE)
return (s);
lchange(WFHARD);
linep = region.r_linep;
loffs = region.r_offset;
while (region.r_size--) {
if (loffs == llength(linep)) {
linep = lforw(linep);
loffs = 0;
} else {
c = lgetc(linep, loffs);
if (c >= 'a' && c <= 'z')
lputc(linep, loffs, c - 'a' + 'A');
++loffs;
}
}
return (TRUE);
}
/*
@ -160,53 +160,54 @@ upperregion(f, n)
getregion(rp)
register REGION *rp;
{
register LINE *flp;
register LINE *blp;
long fsize;
long bsize;
register LINE *flp;
register LINE *blp;
long fsize;
long bsize;
if (curwp->w_markp == NULL) {
mlwrite("No mark set in this window");
return (FALSE);
}
if (curwp->w_dotp == curwp->w_markp) {
rp->r_linep = curwp->w_dotp;
if (curwp->w_doto < curwp->w_marko) {
rp->r_offset = curwp->w_doto;
rp->r_size = (long)(curwp->w_marko-curwp->w_doto);
} else {
rp->r_offset = curwp->w_marko;
rp->r_size = (long)(curwp->w_doto-curwp->w_marko);
}
return (TRUE);
}
blp = curwp->w_dotp;
bsize = (long)curwp->w_doto;
flp = curwp->w_dotp;
fsize = (long)(llength(flp)-curwp->w_doto+1);
while (flp!=curbp->b_linep || lback(blp)!=curbp->b_linep) {
if (flp != curbp->b_linep) {
flp = lforw(flp);
if (flp == curwp->w_markp) {
rp->r_linep = curwp->w_dotp;
rp->r_offset = curwp->w_doto;
rp->r_size = fsize+curwp->w_marko;
return (TRUE);
}
fsize += llength(flp)+1;
}
if (lback(blp) != curbp->b_linep) {
blp = lback(blp);
bsize += llength(blp)+1;
if (blp == curwp->w_markp) {
rp->r_linep = blp;
rp->r_offset = curwp->w_marko;
rp->r_size = bsize - curwp->w_marko;
return (TRUE);
}
}
}
mlwrite("Bug: lost mark");
return (FALSE);
if (curwp->w_markp == NULL) {
mlwrite("No mark set in this window");
return (FALSE);
}
if (curwp->w_dotp == curwp->w_markp) {
rp->r_linep = curwp->w_dotp;
if (curwp->w_doto < curwp->w_marko) {
rp->r_offset = curwp->w_doto;
rp->r_size =
(long) (curwp->w_marko - curwp->w_doto);
} else {
rp->r_offset = curwp->w_marko;
rp->r_size =
(long) (curwp->w_doto - curwp->w_marko);
}
return (TRUE);
}
blp = curwp->w_dotp;
bsize = (long) curwp->w_doto;
flp = curwp->w_dotp;
fsize = (long) (llength(flp) - curwp->w_doto + 1);
while (flp != curbp->b_linep || lback(blp) != curbp->b_linep) {
if (flp != curbp->b_linep) {
flp = lforw(flp);
if (flp == curwp->w_markp) {
rp->r_linep = curwp->w_dotp;
rp->r_offset = curwp->w_doto;
rp->r_size = fsize + curwp->w_marko;
return (TRUE);
}
fsize += llength(flp) + 1;
}
if (lback(blp) != curbp->b_linep) {
blp = lback(blp);
bsize += llength(blp) + 1;
if (blp == curwp->w_markp) {
rp->r_linep = blp;
rp->r_offset = curwp->w_marko;
rp->r_size = bsize - curwp->w_marko;
return (TRUE);
}
}
}
mlwrite("Bug: lost mark");
return (FALSE);
}

1008
search.c
View File

File diff suppressed because it is too large Load Diff

396
spawn.c
View File

@ -9,16 +9,16 @@
#include "edef.h"
#if VMS
#define EFN 0 /* Event flag. */
#define EFN 0 /* Event flag. */
#include <ssdef.h> /* Random headers. */
#include <ssdef.h> /* Random headers. */
#include <stsdef.h>
#include <descrip.h>
#include <iodef.h>
extern int oldmode[3]; /* In "termio.c" */
extern int newmode[3]; /* In "termio.c" */
extern short iochan; /* In "termio.c" */
extern int oldmode[3]; /* In "termio.c" */
extern int newmode[3]; /* In "termio.c" */
extern short iochan; /* In "termio.c" */
#endif
#if V7 | USG | BSD
@ -43,50 +43,50 @@ extern void sizesignal();
spawncli(f, n)
{
#if V7 | USG | BSD
register char *cp;
char *getenv();
register char *cp;
char *getenv();
#endif
/* don't allow this command if restricted */
if (restflag)
return(resterr());
return (resterr());
#if VMS
movecursor(term.t_nrow, 0); /* In last line. */
mlputs("(Starting DCL)\r\n");
TTflush(); /* Ignore "ttcol". */
sgarbf = TRUE;
movecursor(term.t_nrow, 0); /* In last line. */
mlputs("(Starting DCL)\r\n");
TTflush(); /* Ignore "ttcol". */
sgarbf = TRUE;
sys(NULL);
sleep(1);
mlputs("\r\n(Returning from DCL)\r\n");
TTflush();
sleep(1);
return(TRUE);
return (TRUE);
#endif
#if MSDOS & (MSC | TURBO)
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTkclose();
shellprog("");
TTkopen();
sgarbf = TRUE;
return(TRUE);
sgarbf = TRUE;
return (TRUE);
#endif
#if V7 | USG | BSD
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTclose(); /* stty to old settings */
if ((cp = getenv("SHELL")) != NULL && *cp != '\0')
system(cp);
else
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTclose(); /* stty to old settings */
if ((cp = getenv("SHELL")) != NULL && *cp != '\0')
system(cp);
else
#if BSD
system("exec /bin/csh");
system("exec /bin/csh");
#else
system("exec /bin/sh");
system("exec /bin/sh");
#endif
sgarbf = TRUE;
sgarbf = TRUE;
sleep(2);
TTopen();
TTopen();
TTkopen();
#ifdef SIGWINCH
/*
@ -95,17 +95,17 @@ spawncli(f, n)
* -lbt
*/
chg_width = term.t_ncol;
chg_height = term.t_nrow+1;
chg_height = term.t_nrow + 1;
term.t_nrow = term.t_ncol = 0;
#endif
return(TRUE);
return (TRUE);
#endif
}
#if BSD | __hpux | SVR4
bktoshell() /* suspend MicroEMACS and wait to wake up */
{
bktoshell()
{ /* suspend MicroEMACS and wait to wake up */
int pid;
vttidy();
@ -131,62 +131,61 @@ rtfrmshell()
*/
spawn(f, n)
{
register int s;
char line[NLINE];
register int s;
char line[NLINE];
/* don't allow this command if restricted */
if (restflag)
return(resterr());
return (resterr());
#if VMS
if ((s=mlreply("!", line, NLINE)) != TRUE)
return (s);
if ((s = mlreply("!", line, NLINE)) != TRUE)
return (s);
movecursor(term.t_nrow, 0);
TTflush();
s = sys(line); /* Run the command. */
TTflush();
s = sys(line); /* Run the command. */
if (clexec == FALSE) {
mlputs("\r\n\n(End)"); /* Pause. */
mlputs("\r\n\n(End)"); /* Pause. */
TTflush();
tgetc();
}
sgarbf = TRUE;
return (s);
sgarbf = TRUE;
return (s);
#endif
#if MSDOS
if ((s=mlreply("!", line, NLINE)) != TRUE)
return(s);
if ((s = mlreply("!", line, NLINE)) != TRUE)
return (s);
movecursor(term.t_nrow, 0);
TTkclose();
shellprog(line);
shellprog(line);
TTkopen();
/* if we are interactive, pause here */
if (clexec == FALSE) {
mlputs("\r\n(End)");
tgetc();
}
sgarbf = TRUE;
return (TRUE);
mlputs("\r\n(End)");
tgetc();
}
sgarbf = TRUE;
return (TRUE);
#endif
#if V7 | USG | BSD
if ((s=mlreply("!", line, NLINE)) != TRUE)
return (s);
TTflush();
TTclose(); /* stty to old modes */
if ((s = mlreply("!", line, NLINE)) != TRUE)
return (s);
TTflush();
TTclose(); /* stty to old modes */
TTkclose();
system(line);
fflush(stdout); /* to be sure P.K. */
TTopen();
system(line);
fflush(stdout); /* to be sure P.K. */
TTopen();
if (clexec == FALSE) {
mlputs("(End)"); /* Pause. */
mlputs("(End)"); /* Pause. */
TTflush();
while ((s = tgetc()) != '\r' && s != ' ')
;
while ((s = tgetc()) != '\r' && s != ' ');
mlputs("\r\n");
}
TTkopen();
sgarbf = TRUE;
return (TRUE);
sgarbf = TRUE;
return (TRUE);
#endif
}
@ -197,58 +196,56 @@ spawn(f, n)
*/
execprg(f, n)
{
register int s;
char line[NLINE];
register int s;
char line[NLINE];
/* don't allow this command if restricted */
if (restflag)
return(resterr());
return (resterr());
#if VMS
if ((s=mlreply("!", line, NLINE)) != TRUE)
return (s);
TTflush();
s = sys(line); /* Run the command. */
mlputs("\r\n\n(End)"); /* Pause. */
TTflush();
tgetc();
sgarbf = TRUE;
return (s);
if ((s = mlreply("!", line, NLINE)) != TRUE)
return (s);
TTflush();
s = sys(line); /* Run the command. */
mlputs("\r\n\n(End)"); /* Pause. */
TTflush();
tgetc();
sgarbf = TRUE;
return (s);
#endif
#if MSDOS
if ((s=mlreply("$", line, NLINE)) != TRUE)
return(s);
if ((s = mlreply("$", line, NLINE)) != TRUE)
return (s);
movecursor(term.t_nrow, 0);
TTkclose();
execprog(line);
execprog(line);
TTkopen();
/* if we are interactive, pause here */
if (clexec == FALSE) {
mlputs("\r\n(End)");
tgetc();
}
sgarbf = TRUE;
return (TRUE);
mlputs("\r\n(End)");
tgetc();
}
sgarbf = TRUE;
return (TRUE);
#endif
#if V7 | USG | BSD
if ((s=mlreply("!", line, NLINE)) != TRUE)
return (s);
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
system(line);
fflush(stdout); /* to be sure P.K. */
TTopen();
mlputs("(End)"); /* Pause. */
TTflush();
while ((s = tgetc()) != '\r' && s != ' ')
;
sgarbf = TRUE;
return (TRUE);
if ((s = mlreply("!", line, NLINE)) != TRUE)
return (s);
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
system(line);
fflush(stdout); /* to be sure P.K. */
TTopen();
mlputs("(End)"); /* Pause. */
TTflush();
while ((s = tgetc()) != '\r' && s != ' ');
sgarbf = TRUE;
return (TRUE);
#endif
}
@ -258,10 +255,10 @@ execprg(f, n)
*/
pipecmd(f, n)
{
register int s; /* return status from CLI */
register int s; /* return status from CLI */
register WINDOW *wp; /* pointer to new window */
register BUFFER *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NSTRING] = "command";
@ -271,36 +268,38 @@ pipecmd(f, n)
char *getenv();
FILE *fp;
FILE *fopen();
int len;
int len;
#endif
/* don't allow this command if restricted */
if (restflag)
return(resterr());
return (resterr());
#if MSDOS
if ((tmp = getenv("TMP")) == NULL && (tmp = getenv("TEMP")) == NULL)
if ((tmp = getenv("TMP")) == NULL
&& (tmp = getenv("TEMP")) == NULL)
strcpy(filnam, "command");
else {
strcpy(filnam, tmp);
len = strlen(tmp);
if (len <= 0 || filnam[len-1] != '\\' && filnam[len-1] != '/')
strcat(filnam,"\\");
strcat(filnam,"command");
}
if (len <= 0 || filnam[len - 1] != '\\'
&& filnam[len - 1] != '/')
strcat(filnam, "\\");
strcat(filnam, "command");
}
#endif
#if VMS
mlwrite("Not available under VMS");
return(FALSE);
return (FALSE);
#endif
/* get the command to pipe in */
if ((s=mlreply("@", line, NLINE)) != TRUE)
return(s);
if ((s = mlreply("@", line, NLINE)) != TRUE)
return (s);
/* get rid of the command output buffer if it exists */
if ((bp=bfind(bname, FALSE, 0)) != FALSE) {
if ((bp = bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
@ -320,17 +319,16 @@ pipecmd(f, n)
}
if (zotbuf(bp) != TRUE)
return(FALSE);
return (FALSE);
}
#if MSDOS
strcat(line," >>");
strcat(line,filnam);
strcat(line, " >>");
strcat(line, filnam);
movecursor(term.t_nrow, 0);
TTkclose();
shellprog(line);
shellprog(line);
TTkopen();
sgarbf = TRUE;
sgarbf = TRUE;
if ((fp = fopen(filnam, "r")) == NULL) {
s = FALSE;
} else {
@ -340,27 +338,27 @@ pipecmd(f, n)
#endif
#if V7 | USG | BSD
TTflush();
TTclose(); /* stty to old modes */
strcat(line,">");
strcat(line,filnam);
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
TTflush();
TTclose(); /* stty to old modes */
strcat(line, ">");
strcat(line, filnam);
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
#endif
if (s != TRUE)
return(s);
return (s);
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return(FALSE);
return (FALSE);
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
@ -372,7 +370,7 @@ pipecmd(f, n)
/* and get rid of the temporary file */
unlink(filnam);
return(TRUE);
return (TRUE);
}
/*
@ -380,11 +378,10 @@ pipecmd(f, n)
* Bound to ^X #
*/
filter(f, n)
{
register int s; /* return status from CLI */
register int s; /* return status from CLI */
register BUFFER *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
char line[NLINE]; /* command line send to shell */
char tmpnam[NFILEN]; /* place to store real file name */
static char bname1[] = "fltinp";
@ -393,19 +390,19 @@ filter(f, n)
/* don't allow this command if restricted */
if (restflag)
return(resterr());
return (resterr());
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
#if VMS
mlwrite("Not available under VMS");
return(FALSE);
return (FALSE);
#endif
/* get the filter name and its args */
if ((s=mlreply("#", line, NLINE)) != TRUE)
return(s);
if ((s = mlreply("#", line, NLINE)) != TRUE)
return (s);
/* setup the proper file names */
bp = curbp;
@ -416,48 +413,47 @@ filter(f, n)
if (writeout(filnam1) != TRUE) {
mlwrite("(Cannot write filter file)");
strcpy(bp->b_fname, tmpnam);
return(FALSE);
return (FALSE);
}
#if MSDOS
strcat(line," <fltinp >fltout");
strcat(line, " <fltinp >fltout");
movecursor(term.t_nrow - 1, 0);
TTkclose();
shellprog(line);
shellprog(line);
TTkopen();
sgarbf = TRUE;
sgarbf = TRUE;
s = TRUE;
#endif
#if V7 | USG | BSD
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
strcat(line," <fltinp >fltout");
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
strcat(line, " <fltinp >fltout");
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
#endif
/* on failure, escape gracefully */
if (s != TRUE || (readin(filnam2,FALSE) == FALSE)) {
if (s != TRUE || (readin(filnam2, FALSE) == FALSE)) {
mlwrite("(Execution failed)");
strcpy(bp->b_fname, tmpnam);
unlink(filnam1);
unlink(filnam2);
return(s);
return (s);
}
/* reset file name */
strcpy(bp->b_fname, tmpnam); /* restore name */
bp->b_flag |= BFCHG; /* flag it as changed */
bp->b_flag |= BFCHG; /* flag it as changed */
/* and get rid of the temporary file */
unlink(filnam1);
unlink(filnam2);
return(TRUE);
return (TRUE);
}
#if VMS
@ -468,36 +464,36 @@ filter(f, n)
* and the way out, because DCL does not want the channel to be in raw mode.
*/
sys(cmd)
register char *cmd;
register char *cmd;
{
struct dsc$descriptor cdsc;
struct dsc$descriptor *cdscp;
long status;
long substatus;
long iosb[2];
struct dsc$descriptor cdsc;
struct dsc$descriptor *cdscp;
long status;
long substatus;
long iosb[2];
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
return (FALSE);
cdscp = NULL; /* Assume DCL. */
if (cmd != NULL) { /* Build descriptor. */
cdsc.dsc$a_pointer = cmd;
cdsc.dsc$w_length = strlen(cmd);
cdsc.dsc$b_dtype = DSC$K_DTYPE_T;
cdsc.dsc$b_class = DSC$K_CLASS_S;
cdscp = &cdsc;
}
status = LIB$SPAWN(cdscp, 0, 0, 0, 0, 0, &substatus, 0, 0, 0);
if (status != SS$_NORMAL)
substatus = status;
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
newmode, sizeof(newmode), 0, 0, 0, 0);
if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
return (FALSE);
if ((substatus&STS$M_SUCCESS) == 0) /* Command failed. */
return (FALSE);
return (TRUE);
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
return (FALSE);
cdscp = NULL; /* Assume DCL. */
if (cmd != NULL) { /* Build descriptor. */
cdsc.dsc$a_pointer = cmd;
cdsc.dsc$w_length = strlen(cmd);
cdsc.dsc$b_dtype = DSC$K_DTYPE_T;
cdsc.dsc$b_class = DSC$K_CLASS_S;
cdscp = &cdsc;
}
status = LIB$SPAWN(cdscp, 0, 0, 0, 0, 0, &substatus, 0, 0, 0);
if (status != SS$_NORMAL)
substatus = status;
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
newmode, sizeof(newmode), 0, 0, 0, 0);
if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
return (FALSE);
if ((substatus & STS$M_SUCCESS) == 0) /* Command failed. */
return (FALSE);
return (TRUE);
}
#endif
@ -507,7 +503,7 @@ register char *cmd;
shellprog(cmd)
char *cmd; /* Incoming command line to execute */
char *cmd; /* Incoming command line to execute */
{
char *shell; /* Name of system command processor */
@ -521,11 +517,11 @@ char *cmd; /* Incoming command line to execute */
regs.h.ah = 0x37; /* get setting data */
regs.h.al = 0x00; /* get switch character */
intdos(&regs, &regs);
swchar = (char)regs.h.dl;
swchar = (char) regs.h.dl;
/* get name of system shell */
if ((shell = getenv("COMSPEC")) == NULL) {
return(FALSE); /* No shell located */
return (FALSE); /* No shell located */
}
/* trim leading whitespace off the command */
@ -543,9 +539,9 @@ char *cmd; /* Incoming command line to execute */
comline[strlen(comline)] = swchar;
strcat(comline, "c ");
strcat(comline, cmd);
return(execprog(comline));
return (execprog(comline));
} else
return(execprog(shell));
return (execprog(shell));
}
/* EXECPROG: A function to execute a named program
@ -554,7 +550,7 @@ char *cmd; /* Incoming command line to execute */
execprog(cmd)
char *cmd; /* Incoming command line to execute */
char *cmd; /* Incoming command line to execute */
{
char *sp; /* temporary string pointer */
@ -581,16 +577,16 @@ char *cmd; /* Incoming command line to execute */
/* and parse out the command tail */
while (*cmd && ((*cmd == ' ') || (*cmd == '\t')))
++cmd;
*tail = (char)(strlen(cmd)); /* record the byte length */
*tail = (char) (strlen(cmd)); /* record the byte length */
strcpy(&tail[1], cmd);
strcat(&tail[1], "\r");
/* look up the program on the path trying various extentions */
if ((sp = flook(prog, TRUE)) == NULL)
if ((sp = flook(strcat(prog, ".exe"), TRUE)) == NULL) {
strcpy(&prog[strlen(prog)-4], ".com");
strcpy(&prog[strlen(prog) - 4], ".com");
if ((sp = flook(prog, TRUE)) == NULL)
return(FALSE);
return (FALSE);
}
strcpy(prog, sp);
@ -599,17 +595,17 @@ char *cmd; /* Incoming command line to execute */
/* set up the EXEC parameter block */
pblock.envptr = 0; /* make the child inherit the parents env */
pblock.fcb1 = f1; /* point to a blank FCB */
pblock.fcb2 = f2; /* point to a blank FCB */
pblock.cline = tail; /* parameter line pointer */
pblock.fcb1 = f1; /* point to a blank FCB */
pblock.fcb2 = f2; /* point to a blank FCB */
pblock.cline = tail; /* parameter line pointer */
/* and make the call */
regs.h.ah = 0x4b; /* EXEC Load or Execute a Program */
regs.h.al = 0x00; /* load end execute function subcode */
segreg.ds = ((unsigned long)(prog) >> 16); /* program name ptr */
regs.x.dx = (unsigned int)(prog);
segreg.es = ((unsigned long)(&pblock) >> 16); /* set up param block ptr */
regs.x.bx = (unsigned int)(&pblock);
segreg.ds = ((unsigned long) (prog) >> 16); /* program name ptr */
regs.x.dx = (unsigned int) (prog);
segreg.es = ((unsigned long) (&pblock) >> 16); /* set up param block ptr */
regs.x.bx = (unsigned int) (&pblock);
#if TURBO | MSC
intdosx(&regs, &regs, &segreg);
if (regs.x.cflag == 0) {
@ -623,6 +619,6 @@ char *cmd; /* Incoming command line to execute */
rval = -_doserrno; /* failed child call */
#endif
#endif
return((rval < 0) ? FALSE : TRUE);
return ((rval < 0) ? FALSE : TRUE);
}
#endif

392
tcap.c
View File

@ -11,7 +11,7 @@
* -lbt
*/
#define USE_BROKEN_OPTIMIZATION 0
#define termdef 1 /* don't define "term" external */
#define termdef 1 /* don't define "term" external */
#include <stdio.h>
#include "estruct.h"
@ -25,37 +25,37 @@
#define MARGIN 8
#define SCRSIZ 64
#define NPAUSE 10 /* # times thru update to pause */
#define NPAUSE 10 /* # times thru update to pause */
#define BEL 0x07
#define ESC 0x1B
extern int ttopen();
extern int ttgetc();
extern int ttputc();
extern int tgetnum();
extern int ttflush();
extern int ttclose();
extern int tcapkopen();
extern int tcapkclose();
extern int tcapmove();
extern int tcapeeol();
extern int tcapeeop();
extern int tcapbeep();
extern int tcaprev();
extern int tcapcres();
extern int tcapopen();
extern int ttopen();
extern int ttgetc();
extern int ttputc();
extern int tgetnum();
extern int ttflush();
extern int ttclose();
extern int tcapkopen();
extern int tcapkclose();
extern int tcapmove();
extern int tcapeeol();
extern int tcapeeop();
extern int tcapbeep();
extern int tcaprev();
extern int tcapcres();
extern int tcapopen();
#if PKCODE
extern int tcapclose();
extern int tcapclose();
#endif
extern int tput();
extern char *tgoto();
extern int tput();
extern char *tgoto();
#if COLOR
extern int tcapfcol();
extern int tcapbcol();
extern int tcapfcol();
extern int tcapbcol();
#endif
#if SCROLLCODE
extern int tcapscroll_reg();
extern int tcapscroll_delins();
extern int tcapscroll_reg();
extern int tcapscroll_delins();
#endif
@ -73,155 +73,150 @@ char *CS, *DL, *AL, *SF, *SR;
#endif
TERM term = {
0, /* these four values are set dynamically at open time */
0, /* these four values are set dynamically at open time */
0,
0,
0,
MARGIN,
SCRSIZ,
NPAUSE,
tcapopen,
tcapopen,
#if PKCODE
tcapclose,
#else
ttclose,
ttclose,
#endif
tcapkopen,
tcapkclose,
ttgetc,
ttputc,
ttflush,
tcapmove,
tcapeeol,
tcapeeop,
tcapbeep,
tcaprev,
tcapcres
tcapkopen,
tcapkclose,
ttgetc,
ttputc,
ttflush,
tcapmove,
tcapeeol,
tcapeeop,
tcapbeep,
tcaprev,
tcapcres
#if COLOR
, tcapfcol,
, tcapfcol,
tcapbcol
#endif
#if SCROLLCODE
, NULL /* set dynamically at open time */
#if SCROLLCODE
, NULL /* set dynamically at open time */
#endif
};
tcapopen()
{
char *getenv();
char *t, *p, *tgetstr();
char tcbuf[1024];
char *tv_stype;
char err_str[72];
int int_col, int_row;
char *getenv();
char *t, *p, *tgetstr();
char tcbuf[1024];
char *tv_stype;
char err_str[72];
int int_col, int_row;
#if PKCODE && USE_BROKEN_OPTIMIZATION
if (! term_init_ok)
{
if (!term_init_ok) {
#endif
if ((tv_stype = getenv("TERM")) == NULL)
{
puts("Environment variable TERM not defined!");
exit(1);
}
if ((tv_stype = getenv("TERM")) == NULL) {
puts("Environment variable TERM not defined!");
exit(1);
}
if ((tgetent(tcbuf, tv_stype)) != 1)
{
sprintf(err_str, "Unknown terminal type %s!", tv_stype);
puts(err_str);
exit(1);
}
if ((tgetent(tcbuf, tv_stype)) != 1) {
sprintf(err_str, "Unknown terminal type %s!",
tv_stype);
puts(err_str);
exit(1);
}
/* Get screen size from system, or else from termcap. */
getscreensize(&int_col, &int_row);
term.t_nrow = int_row-1;
term.t_ncol = int_col;
if ((term.t_nrow <= 0) && (term.t_nrow=(short)tgetnum("li")-1) == -1){
puts("termcap entry incomplete (lines)");
exit(1);
}
/* Get screen size from system, or else from termcap. */
getscreensize(&int_col, &int_row);
term.t_nrow = int_row - 1;
term.t_ncol = int_col;
if ((term.t_ncol <= 0) && (term.t_ncol=(short)tgetnum("co")) == -1){
puts("Termcap entry incomplete (columns)");
exit(1);
}
if ((term.t_nrow <= 0)
&& (term.t_nrow = (short) tgetnum("li") - 1) == -1) {
puts("termcap entry incomplete (lines)");
exit(1);
}
if ((term.t_ncol <= 0)
&& (term.t_ncol = (short) tgetnum("co")) == -1) {
puts("Termcap entry incomplete (columns)");
exit(1);
}
#ifdef SIGWINCH
term.t_mrow = MAXROW;
term.t_mcol = MAXCOL;
term.t_mrow = MAXROW;
term.t_mcol = MAXCOL;
#else
term.t_mrow = term.t_nrow > MAXROW ? MAXROW : term.t_nrow;
term.t_mcol = term.t_ncol > MAXCOL ? MAXCOL : term.t_ncol;
term.t_mrow = term.t_nrow > MAXROW ? MAXROW : term.t_nrow;
term.t_mcol = term.t_ncol > MAXCOL ? MAXCOL : term.t_ncol;
#endif
p = tcapbuf;
t = tgetstr("pc", &p);
if(t)
PC = *t;
else
PC = 0;
p = tcapbuf;
t = tgetstr("pc", &p);
if (t)
PC = *t;
else
PC = 0;
CL = tgetstr("cl", &p);
CM = tgetstr("cm", &p);
CE = tgetstr("ce", &p);
UP = tgetstr("up", &p);
SE = tgetstr("se", &p);
SO = tgetstr("so", &p);
if (SO != NULL)
revexist = TRUE;
CL = tgetstr("cl", &p);
CM = tgetstr("cm", &p);
CE = tgetstr("ce", &p);
UP = tgetstr("up", &p);
SE = tgetstr("se", &p);
SO = tgetstr("so", &p);
if (SO != NULL)
revexist = TRUE;
#if PKCODE
if (tgetnum("sg") > 0) { /* can reverse be used? P.K. */
revexist = FALSE;
SE = NULL;
SO = NULL;
}
TI = tgetstr("ti", &p); /* terminal init and exit */
TE = tgetstr("te", &p);
if (tgetnum("sg") > 0) { /* can reverse be used? P.K. */
revexist = FALSE;
SE = NULL;
SO = NULL;
}
TI = tgetstr("ti", &p); /* terminal init and exit */
TE = tgetstr("te", &p);
#endif
if(CL == NULL || CM == NULL || UP == NULL)
{
puts("Incomplete termcap entry\n");
exit(1);
}
if (CL == NULL || CM == NULL || UP == NULL) {
puts("Incomplete termcap entry\n");
exit(1);
}
if (CE == NULL) /* will we be able to use clear to EOL? */
eolexist = FALSE;
#if SCROLLCODE
CS = tgetstr("cs", &p);
SF = tgetstr("sf", &p);
SR = tgetstr("sr", &p);
DL = tgetstr("dl", &p);
AL = tgetstr("al", &p);
if (CS && SR) {
if (SF == NULL) /* assume '\n' scrolls forward */
SF = "\n";
term.t_scroll = tcapscroll_reg;
} else if (DL && AL) {
term.t_scroll = tcapscroll_delins;
} else {
term.t_scroll = NULL;
}
if (CE == NULL) /* will we be able to use clear to EOL? */
eolexist = FALSE;
#if SCROLLCODE
CS = tgetstr("cs", &p);
SF = tgetstr("sf", &p);
SR = tgetstr("sr", &p);
DL = tgetstr("dl", &p);
AL = tgetstr("al", &p);
if (CS && SR) {
if (SF == NULL) /* assume '\n' scrolls forward */
SF = "\n";
term.t_scroll = tcapscroll_reg;
} else if (DL && AL) {
term.t_scroll = tcapscroll_delins;
} else {
term.t_scroll = NULL;
}
#endif
if (p >= &tcapbuf[TCAPSLEN])
{
puts("Terminal description too big!\n");
exit(1);
}
if (p >= &tcapbuf[TCAPSLEN]) {
puts("Terminal description too big!\n");
exit(1);
}
#if PKCODE && USE_BROKEN_OPTIMIZATION
term_init_ok = 1;
term_init_ok = 1;
}
#endif
ttopen();
ttopen();
}
#if PKCODE
tcapclose()
{
putpad(tgoto(CM, 0, term.t_nrow));
putpad(TE);
@ -231,7 +226,6 @@ tcapclose()
#endif
tcapkopen()
{
#if PKCODE
putpad(TI);
@ -241,111 +235,109 @@ tcapkopen()
}
tcapkclose()
{
}
tcapmove(row, col)
register int row, col;
{
putpad(tgoto(CM, col, row));
putpad(tgoto(CM, col, row));
}
tcapeeol()
{
putpad(CE);
putpad(CE);
}
tcapeeop()
{
putpad(CL);
putpad(CL);
}
tcaprev(state) /* change reverse video status */
int state; /* FALSE = normal video, TRUE = reverse video */
tcaprev(state)
/* change reverse video status */
int state; /* FALSE = normal video, TRUE = reverse video */
{
static int revstate = FALSE;
if (state) {
if (SO != NULL)
putpad(SO);
} else
if (SE != NULL)
putpad(SE);
} else if (SE != NULL)
putpad(SE);
}
tcapcres() /* change screen resolution */
{
return(TRUE);
tcapcres()
{ /* change screen resolution */
return (TRUE);
}
#if SCROLLCODE
#if SCROLLCODE
/* move howmanylines lines starting at from to to */
tcapscroll_reg(from,to,howmanylines)
{
int i;
if (to == from) return;
if (to < from) {
tcapscrollregion(to, from + howmanylines - 1);
tcapmove(from + howmanylines - 1,0);
for (i = from - to; i > 0; i--)
putpad(SF);
} else { /* from < to */
tcapscrollregion(from, to + howmanylines - 1);
tcapmove(from,0);
for (i = to - from; i > 0; i--)
putpad(SR);
}
tcapscroll_reg(from, to, howmanylines)
{
int i;
if (to == from)
return;
if (to < from) {
tcapscrollregion(to, from + howmanylines - 1);
tcapmove(from + howmanylines - 1, 0);
for (i = from - to; i > 0; i--)
putpad(SF);
} else { /* from < to */
tcapscrollregion(from, to + howmanylines - 1);
tcapmove(from, 0);
for (i = to - from; i > 0; i--)
putpad(SR);
}
tcapscrollregion(0, term.t_nrow);
}
/* move howmanylines lines starting at from to to */
tcapscroll_delins(from,to,howmanylines)
tcapscroll_delins(from, to, howmanylines)
{
int i;
if (to == from) return;
if (to < from) {
tcapmove(to,0);
for (i = from - to; i > 0; i--)
putpad(DL);
tcapmove(to+howmanylines,0);
for (i = from - to; i > 0; i--)
putpad(AL);
} else {
tcapmove(from+howmanylines,0);
for (i = to - from; i > 0; i--)
putpad(DL);
tcapmove(from,0);
for (i = to - from; i > 0; i--)
putpad(AL);
}
int i;
if (to == from)
return;
if (to < from) {
tcapmove(to, 0);
for (i = from - to; i > 0; i--)
putpad(DL);
tcapmove(to + howmanylines, 0);
for (i = from - to; i > 0; i--)
putpad(AL);
} else {
tcapmove(from + howmanylines, 0);
for (i = to - from; i > 0; i--)
putpad(DL);
tcapmove(from, 0);
for (i = to - from; i > 0; i--)
putpad(AL);
}
}
/* cs is set up just like cm, so we use tgoto... */
tcapscrollregion(top,bot)
tcapscrollregion(top, bot)
{
ttputc(PC);
putpad(tgoto(CS, bot, top));
putpad(tgoto(CS, bot, top));
}
#endif
spal(dummy) /* change palette string */
{
/* Does nothing here */
spal(dummy)
{ /* change palette string */
/* Does nothing here */
}
#if COLOR
tcapfcol() /* no colors here, ignore this */
{
tcapfcol()
{ /* no colors here, ignore this */
}
tcapbcol() /* no colors here, ignore this */
{
tcapbcol()
{ /* no colors here, ignore this */
}
#endif
@ -355,26 +347,26 @@ tcapbeep()
}
putpad(str)
char *str;
char *str;
{
tputs(str, 1, ttputc);
}
putnpad(str, n)
char *str;
char *str;
{
tputs(str, n, ttputc);
}
#if FNLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
fnclabel(f, n)
/* label a function key */
int f, n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
return (TRUE);
}
#endif
#else

351
termio.c
View File

@ -9,7 +9,7 @@
*/
#ifndef POSIX
#include <stdio.h>
#include "estruct.h"
#include "edef.h"
@ -22,35 +22,35 @@
#include <ttdef.h>
#include <tt2def.h>
#define NIBUF 128 /* Input buffer size */
#define NOBUF 1024 /* MM says bug buffers win! */
#define EFN 0 /* Event flag */
#define NIBUF 128 /* Input buffer size */
#define NOBUF 1024 /* MM says bug buffers win! */
#define EFN 0 /* Event flag */
char obuf[NOBUF]; /* Output buffer */
int nobuf; /* # of bytes in above */
char ibuf[NIBUF]; /* Input buffer */
int nibuf; /* # of bytes in above */
int ibufi; /* Read index */
int oldmode[3]; /* Old TTY mode bits */
int newmode[3]; /* New TTY mode bits */
short iochan; /* TTY I/O channel */
char obuf[NOBUF]; /* Output buffer */
int nobuf; /* # of bytes in above */
char ibuf[NIBUF]; /* Input buffer */
int nibuf; /* # of bytes in above */
int ibufi; /* Read index */
int oldmode[3]; /* Old TTY mode bits */
int newmode[3]; /* New TTY mode bits */
short iochan; /* TTY I/O channel */
#endif
#if MSDOS & (MSC | TURBO)
union REGS rg; /* cpu register for use of DOS calls */
int nxtchar = -1; /* character held from type ahead */
union REGS rg; /* cpu register for use of DOS calls */
int nxtchar = -1; /* character held from type ahead */
#endif
#if USG /* System V */
#include <signal.h>
#include <termio.h>
#include <fcntl.h>
int kbdflgs; /* saved keyboard fd flags */
int kbdpoll; /* in O_NDELAY mode */
int kbdqp; /* there is a char in kbdq */
char kbdq; /* char we've already read */
struct termio otermio; /* original terminal characteristics */
struct termio ntermio; /* charactoristics to use inside */
int kbdflgs; /* saved keyboard fd flags */
int kbdpoll; /* in O_NDELAY mode */
int kbdqp; /* there is a char in kbdq */
char kbdq; /* char we've already read */
struct termio otermio; /* original terminal characteristics */
struct termio ntermio; /* charactoristics to use inside */
#if XONXOFF
#define XXMASK 0016000
#endif
@ -59,34 +59,37 @@ struct termio ntermio; /* charactoristics to use inside */
#if V7 | BSD
#include <sgtty.h> /* for stty/gtty functions */
#include <signal.h>
struct sgttyb ostate; /* saved tty state */
struct sgttyb nstate; /* values for editor mode */
struct tchars otchars; /* Saved terminal special character set */
struct sgttyb ostate; /* saved tty state */
struct sgttyb nstate; /* values for editor mode */
struct tchars otchars; /* Saved terminal special character set */
#if XONXOFF
struct tchars ntchars = { 0xff, 0xff, 0x11, 0x13, 0xff, 0xff };
struct tchars ntchars = { 0xff, 0xff, 0x11, 0x13, 0xff, 0xff };
/* A lot of nothing and XON/XOFF */
#else
struct tchars ntchars = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
struct tchars ntchars = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
/* A lot of nothing */
#endif
#if BSD & PKCODE
struct ltchars oltchars; /* Saved terminal local special character set */
struct ltchars nltchars = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
struct ltchars oltchars; /* Saved terminal local special character set */
struct ltchars nltchars = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
/* A lot of nothing */
#endif
#if BSD
#include <sys/ioctl.h> /* to get at the typeahead */
extern int rtfrmshell(); /* return from suspended shell */
extern int rtfrmshell(); /* return from suspended shell */
#define TBUFSIZ 128
char tobuf[TBUFSIZ]; /* terminal output buffer */
#endif
#endif
#if __hpux | SVR4
extern int rtfrmshell(); /* return from suspended shell */
extern int rtfrmshell(); /* return from suspended shell */
#define TBUFSIZ 128
char tobuf[TBUFSIZ]; /* terminal output buffer */
char tobuf[TBUFSIZ]; /* terminal output buffer */
#endif
/*
@ -97,51 +100,51 @@ char tobuf[TBUFSIZ]; /* terminal output buffer */
ttopen()
{
#if VMS
struct dsc$descriptor idsc;
struct dsc$descriptor odsc;
char oname[40];
int iosb[2];
int status;
struct dsc$descriptor idsc;
struct dsc$descriptor odsc;
char oname[40];
int iosb[2];
int status;
odsc.dsc$a_pointer = "TT";
odsc.dsc$w_length = strlen(odsc.dsc$a_pointer);
odsc.dsc$b_dtype = DSC$K_DTYPE_T;
odsc.dsc$b_class = DSC$K_CLASS_S;
idsc.dsc$b_dtype = DSC$K_DTYPE_T;
idsc.dsc$b_class = DSC$K_CLASS_S;
do {
idsc.dsc$a_pointer = odsc.dsc$a_pointer;
idsc.dsc$w_length = odsc.dsc$w_length;
odsc.dsc$a_pointer = &oname[0];
odsc.dsc$w_length = sizeof(oname);
status = LIB$SYS_TRNLOG(&idsc, &odsc.dsc$w_length, &odsc);
if (status!=SS$_NORMAL && status!=SS$_NOTRAN)
exit(status);
if (oname[0] == 0x1B) {
odsc.dsc$a_pointer += 4;
odsc.dsc$w_length -= 4;
}
} while (status == SS$_NORMAL);
status = SYS$ASSIGN(&odsc, &iochan, 0, 0);
if (status != SS$_NORMAL)
exit(status);
status = SYS$QIOW(EFN, iochan, IO$_SENSEMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
exit(status);
newmode[0] = oldmode[0];
newmode[1] = oldmode[1] | TT$M_NOECHO;
odsc.dsc$a_pointer = "TT";
odsc.dsc$w_length = strlen(odsc.dsc$a_pointer);
odsc.dsc$b_dtype = DSC$K_DTYPE_T;
odsc.dsc$b_class = DSC$K_CLASS_S;
idsc.dsc$b_dtype = DSC$K_DTYPE_T;
idsc.dsc$b_class = DSC$K_CLASS_S;
do {
idsc.dsc$a_pointer = odsc.dsc$a_pointer;
idsc.dsc$w_length = odsc.dsc$w_length;
odsc.dsc$a_pointer = &oname[0];
odsc.dsc$w_length = sizeof(oname);
status = LIB$SYS_TRNLOG(&idsc, &odsc.dsc$w_length, &odsc);
if (status != SS$_NORMAL && status != SS$_NOTRAN)
exit(status);
if (oname[0] == 0x1B) {
odsc.dsc$a_pointer += 4;
odsc.dsc$w_length -= 4;
}
} while (status == SS$_NORMAL);
status = SYS$ASSIGN(&odsc, &iochan, 0, 0);
if (status != SS$_NORMAL)
exit(status);
status = SYS$QIOW(EFN, iochan, IO$_SENSEMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
exit(status);
newmode[0] = oldmode[0];
newmode[1] = oldmode[1] | TT$M_NOECHO;
#if XONXOFF
#else
newmode[1] &= ~(TT$M_TTSYNC|TT$M_HOSTSYNC);
newmode[1] &= ~(TT$M_TTSYNC | TT$M_HOSTSYNC);
#endif
newmode[2] = oldmode[2] | TT2$M_PASTHRU;
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
newmode, sizeof(newmode), 0, 0, 0, 0);
if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
exit(status);
term.t_nrow = (newmode[1]>>24) - 1;
term.t_ncol = newmode[0]>>16;
newmode[2] = oldmode[2] | TT2$M_PASTHRU;
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
newmode, sizeof(newmode), 0, 0, 0, 0);
if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
exit(status);
term.t_nrow = (newmode[1] >> 24) - 1;
term.t_ncol = newmode[0] >> 16;
#endif
@ -155,7 +158,7 @@ ttopen()
#if USG
ioctl(0, TCGETA, &otermio); /* save old settings */
ntermio.c_iflag = 0; /* setup new settings */
ntermio.c_iflag = 0; /* setup new settings */
#if XONXOFF
ntermio.c_iflag = otermio.c_iflag & XXMASK; /* save XON/XOFF P.K. */
#endif
@ -170,46 +173,46 @@ ttopen()
#else
ioctl(0, TCSETA, &ntermio); /* and activate them */
#endif
kbdflgs = fcntl( 0, F_GETFL, 0 );
kbdflgs = fcntl(0, F_GETFL, 0);
kbdpoll = FALSE;
#endif
#if V7 | BSD
gtty(0, &ostate); /* save old state */
gtty(0, &nstate); /* get base of new state */
gtty(0, &ostate); /* save old state */
gtty(0, &nstate); /* get base of new state */
#if XONXOFF
nstate.sg_flags |= (CBREAK|TANDEM);
nstate.sg_flags |= (CBREAK | TANDEM);
#else
nstate.sg_flags |= RAW;
nstate.sg_flags |= RAW;
#endif
nstate.sg_flags &= ~(ECHO|CRMOD); /* no echo for now... */
stty(0, &nstate); /* set mode */
ioctl(0, TIOCGETC, &otchars); /* Save old characters */
ioctl(0, TIOCSETC, &ntchars); /* Place new character into K */
nstate.sg_flags &= ~(ECHO | CRMOD); /* no echo for now... */
stty(0, &nstate); /* set mode */
ioctl(0, TIOCGETC, &otchars); /* Save old characters */
ioctl(0, TIOCSETC, &ntchars); /* Place new character into K */
#if BSD & PKCODE
ioctl(0, TIOCGLTC, &oltchars); /* Save old local characters */
ioctl(0, TIOCSLTC, &nltchars); /* New local characters */
ioctl(0, TIOCGLTC, &oltchars); /* Save old local characters */
ioctl(0, TIOCSLTC, &nltchars); /* New local characters */
#endif
#if BSD
/* provide a smaller terminal output buffer so that
the type ahead detection works better (more often) */
setbuffer(stdout, &tobuf[0], TBUFSIZ);
signal(SIGTSTP,SIG_DFL); /* set signals so that we can */
signal(SIGCONT,rtfrmshell); /* suspend & restart emacs */
signal(SIGTSTP, SIG_DFL); /* set signals so that we can */
signal(SIGCONT, rtfrmshell); /* suspend & restart emacs */
#endif
#endif
#if __hpux | SVR4
/* provide a smaller terminal output buffer so that
the type ahead detection works better (more often) */
setvbuf(stdout, &tobuf[0], _IOFBF, TBUFSIZ);
signal(SIGTSTP,SIG_DFL); /* set signals so that we can */
signal(SIGCONT,rtfrmshell); /* suspend & restart emacs */
TTflush();
#endif /* __hpux */
/* provide a smaller terminal output buffer so that
the type ahead detection works better (more often) */
setvbuf(stdout, &tobuf[0], _IOFBF, TBUFSIZ);
signal(SIGTSTP, SIG_DFL); /* set signals so that we can */
signal(SIGCONT, rtfrmshell); /* suspend & restart emacs */
TTflush();
#endif /* __hpux */
/* on all screens we are not sure of the initial position
of the cursor */
of the cursor */
ttrow = 999;
ttcol = 999;
}
@ -222,17 +225,17 @@ ttopen()
ttclose()
{
#if VMS
int status;
int iosb[1];
int status;
int iosb[1];
ttflush();
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status!=SS$_NORMAL || (iosb[0]&0xFFFF)!=SS$_NORMAL)
exit(status);
status = SYS$DASSGN(iochan);
if (status != SS$_NORMAL)
exit(status);
ttflush();
status = SYS$QIOW(EFN, iochan, IO$_SETMODE, iosb, 0, 0,
oldmode, sizeof(oldmode), 0, 0, 0, 0);
if (status != SS$_NORMAL || (iosb[0] & 0xFFFF) != SS$_NORMAL)
exit(status);
status = SYS$DASSGN(iochan);
if (status != SS$_NORMAL)
exit(status);
#endif
#if MSDOS & (TURBO | (PKCODE & MSC))
/* restore the CONTROL-break interupt */
@ -252,7 +255,7 @@ ttclose()
#endif
#if V7 | BSD
stty(0, &ostate);
stty(0, &ostate);
ioctl(0, TIOCSETC, &otchars); /* Place old character into K */
#if BSD & PKCODE
ioctl(0, TIOCSLTC, &oltchars); /* Place old local character into K */
@ -269,9 +272,9 @@ ttclose()
ttputc(c)
{
#if VMS
if (nobuf >= NOBUF)
ttflush();
obuf[nobuf++] = c;
if (nobuf >= NOBUF)
ttflush();
obuf[nobuf++] = c;
#endif
#if MSDOS & ~IBMPC
@ -279,7 +282,7 @@ ttputc(c)
#endif
#if V7 | USG | BSD
fputc(c, stdout);
fputc(c, stdout);
#endif
}
@ -290,18 +293,19 @@ ttputc(c)
ttflush()
{
#if VMS
int status;
int iosb[2];
int status;
int iosb[2];
status = SS$_NORMAL;
if (nobuf != 0) {
status = SYS$QIOW(EFN, iochan, IO$_WRITELBLK|IO$M_NOFORMAT,
iosb, 0, 0, obuf, nobuf, 0, 0, 0, 0);
if (status == SS$_NORMAL)
status = iosb[0] & 0xFFFF;
nobuf = 0;
}
return (status);
status = SS$_NORMAL;
if (nobuf != 0) {
status =
SYS$QIOW(EFN, iochan, IO$_WRITELBLK | IO$M_NOFORMAT,
iosb, 0, 0, obuf, nobuf, 0, 0, 0, 0);
if (status == SS$_NORMAL)
status = iosb[0] & 0xFFFF;
nobuf = 0;
}
return (status);
#endif
#if MSDOS
@ -318,15 +322,15 @@ ttflush()
* jph, 8-Oct-1993
*/
#include <errno.h>
#include <errno.h>
int status;
int status;
status = fflush(stdout);
status = fflush(stdout);
if (status != 0 && errno != EAGAIN) {
exit(errno);
}
if (status != 0 && errno != EAGAIN) {
exit(errno);
}
#endif
}
@ -338,69 +342,68 @@ ttflush()
ttgetc()
{
#if VMS
int status;
int iosb[2];
int term[2];
int status;
int iosb[2];
int term[2];
while (ibufi >= nibuf) {
ibufi = 0;
term[0] = 0;
term[1] = 0;
status = SYS$QIOW(EFN, iochan, IO$_READLBLK|IO$M_TIMED,
iosb, 0, 0, ibuf, NIBUF, 0, term, 0, 0);
if (status != SS$_NORMAL)
exit(status);
status = iosb[0] & 0xFFFF;
if (status!=SS$_NORMAL && status!=SS$_TIMEOUT &&
status!=SS$_DATAOVERUN)
exit(status);
nibuf = (iosb[0]>>16) + (iosb[1]>>16);
if (nibuf == 0) {
status = SYS$QIOW(EFN, iochan, IO$_READLBLK,
iosb, 0, 0, ibuf, 1, 0, term, 0, 0);
if (status != SS$_NORMAL
|| (status = (iosb[0]&0xFFFF)) != SS$_NORMAL)
while (ibufi >= nibuf) {
ibufi = 0;
term[0] = 0;
term[1] = 0;
status = SYS$QIOW(EFN, iochan, IO$_READLBLK | IO$M_TIMED,
iosb, 0, 0, ibuf, NIBUF, 0, term, 0, 0);
if (status != SS$_NORMAL)
exit(status);
status = iosb[0] & 0xFFFF;
if (status != SS$_NORMAL && status != SS$_TIMEOUT &&
status != SS$_DATAOVERUN)
exit(status);
nibuf = (iosb[0] >> 16) + (iosb[1] >> 16);
if (nibuf == 0) {
status = SYS$QIOW(EFN, iochan, IO$_READLBLK,
iosb, 0, 0, ibuf, 1, 0, term, 0,
0);
if (status != SS$_NORMAL
|| (status = (iosb[0] & 0xFFFF)) != SS$_NORMAL)
if (status != SS$_DATAOVERUN)
exit(status);
nibuf = (iosb[0]>>16) + (iosb[1]>>16);
}
}
return (ibuf[ibufi++] & 0xFF); /* Allow multinational */
nibuf = (iosb[0] >> 16) + (iosb[1] >> 16);
}
}
return (ibuf[ibufi++] & 0xFF); /* Allow multinational */
#endif
#if MSDOS & (MSC | TURBO)
int c; /* character read */
int c; /* character read */
/* if a char already is ready, return it */
if (nxtchar >= 0) {
c = nxtchar;
nxtchar = -1;
return(c);
return (c);
}
/* call the dos to get a char */
rg.h.ah = 7; /* dos Direct Console Input call */
intdos(&rg, &rg);
c = rg.h.al; /* grab the char */
return(c & 255);
return (c & 255);
#endif
#if V7 | BSD
return(255 & fgetc(stdin)); /* 8BIT P.K. */
return (255 & fgetc(stdin)); /* 8BIT P.K. */
#endif
#if USG
if( kbdqp )
if (kbdqp)
kbdqp = FALSE;
else
{
if( kbdpoll && fcntl( 0, F_SETFL, kbdflgs ) < 0 )
else {
if (kbdpoll && fcntl(0, F_SETFL, kbdflgs) < 0)
return FALSE;
kbdpoll = FALSE;
while (read(0, &kbdq, 1) != 1)
;
while (read(0, &kbdq, 1) != 1);
}
return ( kbdq & 255 );
return (kbdq & 255);
#endif
}
@ -410,42 +413,40 @@ ttgetc()
*/
typahead()
{
#if MSDOS & (MSC | TURBO)
if (kbhit() != 0)
return(TRUE);
return (TRUE);
else
return(FALSE);
return (FALSE);
#endif
#if BSD
int x; /* holds # of pending chars */
int x; /* holds # of pending chars */
return((ioctl(0,FIONREAD,&x) < 0) ? 0 : x);
return ((ioctl(0, FIONREAD, &x) < 0) ? 0 : x);
#endif
#if PKCODE & VMS
return(ibufi < nibuf);
return (ibufi < nibuf);
#endif
#if USG
if( !kbdqp )
{
if( !kbdpoll && fcntl( 0, F_SETFL, kbdflgs | O_NDELAY ) < 0 )
return(FALSE);
if (!kbdqp) {
if (!kbdpoll && fcntl(0, F_SETFL, kbdflgs | O_NDELAY) < 0)
return (FALSE);
#if PKCODE
kbdpoll = 1;
#endif
kbdqp = (1 == read( 0, &kbdq, 1 ));
kbdqp = (1 == read(0, &kbdq, 1));
}
return ( kbdqp );
return (kbdqp);
#endif
#if !UNIX & !VMS & !MSDOS
return(FALSE);
return (FALSE);
#endif
}
#endif
#endif /* not POSIX */
#endif /* not POSIX */

292
vmsvt.c
View File

@ -9,17 +9,17 @@
* modified by Petri Kutvonen
*/
#include <stdio.h> /* Standard I/O package */
#include "estruct.h" /* Emacs' structures */
#include "edef.h" /* Emacs' definitions */
#include <stdio.h> /* Standard I/O package */
#include "estruct.h" /* Emacs' structures */
#include "edef.h" /* Emacs' definitions */
#if VMSVT
#include <descrip.h> /* Descriptor definitions */
#include <descrip.h> /* Descriptor definitions */
/* These would normally come from iodef.h and ttdef.h */
#define IO$_SENSEMODE 0x27 /* Sense mode of terminal */
#define TT$_UNKNOWN 0x00 /* Unknown terminal */
#define IO$_SENSEMODE 0x27 /* Sense mode of terminal */
#define TT$_UNKNOWN 0x00 /* Unknown terminal */
#define TT$_VT100 96
/** Forward references **/
@ -34,8 +34,8 @@ int vmsfcol(), vmsbcol();
#endif
/** SMG stuff **/
static char * begin_reverse, * end_reverse, * erase_to_end_line;
static char * erase_whole_display;
static char *begin_reverse, *end_reverse, *erase_to_end_line;
static char *erase_whole_display;
static int termtype;
#define SMG$K_BEGIN_REVERSE 0x1bf
@ -46,7 +46,7 @@ static int termtype;
#if SCROLLCODE
#define SMG$K_SCROLL_FORWARD 561 /* from sys$library:smgtrmptr.h */
#define SMG$K_SCROLL_FORWARD 561 /* from sys$library:smgtrmptr.h */
#define SMG$K_SCROLL_REVERSE 562
#define SMG$K_SET_SCROLL_REGION 572
@ -55,37 +55,39 @@ static char *scroll_forward, *scroll_reverse;
#endif
/* Dispatch table. All hard fields just point into the terminal I/O code. */
TERM term = {
TERM term = {
#if PKCODE
MAXROW,
#else
24 - 1, /* Max number of rows allowable */
24 - 1, /* Max number of rows allowable */
#endif
/* Filled in */ - 1, /* Current number of rows used */
MAXCOL, /* Max number of columns */
/* Filled in */ 0, /* Current number of columns */
64, /* Min margin for extended lines*/
8, /* Size of scroll region */
100, /* # times thru update to pause */
vmsopen, /* Open terminal at the start */
ttclose, /* Close terminal at end */
vmskopen, /* Open keyboard */
vmskclose, /* Close keyboard */
ttgetc, /* Get character from keyboard */
ttputc, /* Put character to display */
ttflush, /* Flush output buffers */
vmsmove, /* Move cursor, origin 0 */
vmseeol, /* Erase to end of line */
vmseeop, /* Erase to end of page */
vmsbeep, /* Beep */
vmsrev, /* Set reverse video state */
vmscres /* Change screen resolution */
/* Filled in */ -1,
/* Current number of rows used */
MAXCOL, /* Max number of columns */
/* Filled in */ 0,
/* Current number of columns */
64, /* Min margin for extended lines */
8, /* Size of scroll region */
100, /* # times thru update to pause */
vmsopen, /* Open terminal at the start */
ttclose, /* Close terminal at end */
vmskopen, /* Open keyboard */
vmskclose, /* Close keyboard */
ttgetc, /* Get character from keyboard */
ttputc, /* Put character to display */
ttflush, /* Flush output buffers */
vmsmove, /* Move cursor, origin 0 */
vmseeol, /* Erase to end of line */
vmseeop, /* Erase to end of page */
vmsbeep, /* Beep */
vmsrev, /* Set reverse video state */
vmscres /* Change screen resolution */
#if COLOR
, vmsfcol, /* Set forground color */
vmsbcol /* Set background color */
, vmsfcol, /* Set forground color */
vmsbcol /* Set background color */
#endif
#if SCROLLCODE
, NULL
, NULL
#endif
};
@ -95,7 +97,7 @@ TERM term = {
* Nothing returned
***/
ttputs(string)
char * string; /* String to write */
char *string; /* String to write */
{
if (string)
while (*string != '\0')
@ -109,16 +111,16 @@ char * string; /* String to write */
* Nothing returned
***/
vmsmove(row, col)
int row; /* Row position */
int col; /* Column position */
int row; /* Row position */
int col; /* Column position */
{
char buffer[32];
int ret_length;
static int request_code = SMG$K_SET_CURSOR_ABS;
static int max_buffer_length = sizeof(buffer);
static int arg_list[3] = { 2 };
register char * cp;
register char *cp;
register int i;
/* Set the arguments into the arg_list array
@ -127,21 +129,22 @@ int col; /* Column position */
arg_list[1] = row + 1;
arg_list[2] = col + 1;
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list) /* Argument list array */
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list)
/* We'll know soon enough if this doesn't work */
& 1) == 0) {
ttputs("OOPS");
return;
}
/* Argument list array */
/* We'll know soon enough if this doesn't work */
&1) == 0) {
ttputs("OOPS");
return;
}
/* Send out resulting sequence */
/* Send out resulting sequence */
i = ret_length;
cp = buffer;
while (i-- > 0)
@ -150,35 +153,36 @@ int col; /* Column position */
#if SCROLLCODE
vmsscroll_reg(from,to,howmany)
vmsscroll_reg(from, to, howmany)
{
int i;
if (to == from) return;
if (to < from) {
vmsscrollregion(to, from + howmany - 1);
vmsmove(from + howmany - 1,0);
for (i = from - to; i > 0; i--)
ttputs(scroll_forward);
} else { /* from < to */
vmsscrollregion(from, to + howmany - 1);
vmsmove(from,0);
for (i = to - from; i > 0; i--)
ttputs(scroll_reverse);
}
vmsscrollregion(-1, -1);
int i;
if (to == from)
return;
if (to < from) {
vmsscrollregion(to, from + howmany - 1);
vmsmove(from + howmany - 1, 0);
for (i = from - to; i > 0; i--)
ttputs(scroll_forward);
} else { /* from < to */
vmsscrollregion(from, to + howmany - 1);
vmsmove(from, 0);
for (i = to - from; i > 0; i--)
ttputs(scroll_reverse);
}
vmsscrollregion(-1, -1);
}
vmsscrollregion(top, bot)
int top; /* Top position */
int bot; /* Bottom position */
int top; /* Top position */
int bot; /* Bottom position */
{
char buffer[32];
int ret_length;
static int request_code = SMG$K_SET_SCROLL_REGION;
static int max_buffer_length = sizeof(buffer);
static int arg_list[3] = { 2 };
register char * cp;
register char *cp;
register int i;
/* Set the arguments into the arg_list array
@ -187,22 +191,23 @@ int bot; /* Bottom position */
arg_list[1] = top + 1;
arg_list[2] = bot + 1;
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list) /* Argument list array */
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list)
/* We'll know soon enough if this doesn't work */
& 1) == 0) {
ttputs("OOPS");
return;
}
/* Argument list array */
/* We'll know soon enough if this doesn't work */
&1) == 0) {
ttputs("OOPS");
return;
}
ttputc(0);
/* Send out resulting sequence */
/* Send out resulting sequence */
i = ret_length;
cp = buffer;
while (i-- > 0)
@ -216,11 +221,11 @@ int bot; /* Bottom position */
* Nothing returned
***/
vmsrev(status)
int status; /* TRUE if setting reverse */
int status; /* TRUE if setting reverse */
{
if (status)
ttputs(begin_reverse);
else
else
ttputs(end_reverse);
}
@ -232,7 +237,7 @@ int status; /* TRUE if setting reverse */
vmscres()
{
/* But it could. For vt100/vt200s, one could switch from
80 and 132 columns modes */
80 and 132 columns modes */
}
@ -294,56 +299,56 @@ vmsbeep()
*
* Returns: Escape sequence
* NULL No escape sequence available
***/
char * vmsgetstr(request_code)
int request_code; /* Request code */
***/
char *vmsgetstr(request_code)
int request_code; /* Request code */
{
register char * result;
register char *result;
static char seq_storage[1024];
static char * buffer = seq_storage;
static char *buffer = seq_storage;
static int arg_list[2] = { 1, 1 };
int max_buffer_length, ret_length;
/* Precompute buffer length */
max_buffer_length = (seq_storage + sizeof(seq_storage)) - buffer;
/* Get terminal commands sequence from master table */
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length,/* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list) /* Argument list array */
if ((smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer, /* Capability data buffer */
arg_list)
/* If this doesn't work, try again with no arguments */
& 1) == 0 &&
(smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length,/* Maximum buffer length */
&ret_length, /* Return length */
buffer) /* Capability data buffer */
/* Argument list array */
/* If this doesn't work, try again with no arguments */
&1) == 0 && (smg$get_term_data( /* Get terminal data */
&termtype, /* Terminal table address */
&request_code, /* Request code */
&max_buffer_length, /* Maximum buffer length */
&ret_length, /* Return length */
buffer)
/* Return NULL pointer if capability is not available */
& 1) == 0)
return NULL;
/* Capability data buffer */
/* Return NULL pointer if capability is not available */
&1) == 0)
return NULL;
/* Check for empty result */
if (ret_length == 0)
return NULL;
/* Save current position so we can return it to caller */
result = buffer;
/* NIL terminate the sequence for return */
buffer[ret_length] = 0;
/* Advance buffer */
@ -356,19 +361,19 @@ int request_code; /* Request code */
/** I/O information block definitions **/
struct iosb { /* I/O status block */
short i_cond; /* Condition value */
short i_xfer; /* Transfer count */
long i_info; /* Device information */
struct iosb { /* I/O status block */
short i_cond; /* Condition value */
short i_xfer; /* Transfer count */
long i_info; /* Device information */
};
struct termchar { /* Terminal characteristics */
char t_class; /* Terminal class */
char t_type; /* Terminal type */
short t_width; /* Terminal width in characters */
long t_mandl; /* Terminal's mode and length */
long t_extend; /* Extended terminal characteristics */
struct termchar { /* Terminal characteristics */
char t_class; /* Terminal class */
char t_type; /* Terminal type */
short t_width; /* Terminal width in characters */
long t_mandl; /* Terminal's mode and length */
long t_extend; /* Extended terminal characteristics */
};
static struct termchar tc; /* Terminal characteristics */
static struct termchar tc; /* Terminal characteristics */
/***
* vmsgtty - Get terminal type from system control block
@ -385,18 +390,18 @@ vmsgtty()
/* Assign input to a channel */
status = sys$assign(&devnam, &fd, 0, 0);
if ((status & 1) == 0)
exit (status);
exit(status);
/* Get terminal characteristics */
status = sys$qiow( /* Queue and wait */
0, /* Wait on event flag zero */
fd, /* Channel to input terminal */
IO$_SENSEMODE, /* Get current characteristic */
&iostatus, /* Status after operation */
0, 0, /* No AST service */
&tc, /* Terminal characteristics buf */
sizeof(tc), /* Size of the buffer */
0, 0, 0, 0); /* P3-P6 unused */
status = sys$qiow( /* Queue and wait */
0, /* Wait on event flag zero */
fd, /* Channel to input terminal */
IO$_SENSEMODE, /* Get current characteristic */
&iostatus, /* Status after operation */
0, 0, /* No AST service */
&tc, /* Terminal characteristics buf */
sizeof(tc), /* Size of the buffer */
0, 0, 0, 0); /* P3-P6 unused */
/* De-assign the input device */
if ((sys$dassgn(fd) & 1) == 0)
@ -421,16 +426,17 @@ vmsopen()
vmsgtty();
if (tc.t_type == TT$_UNKNOWN) {
printf("Terminal type is unknown!\n");
printf("Try set your terminal type with SET TERMINAL/INQUIRE\n");
printf
("Try set your terminal type with SET TERMINAL/INQUIRE\n");
printf("Or get help on SET TERMINAL/DEVICE_TYPE\n");
exit(3);
}
/* Access the system terminal definition table for the */
/* information of the terminal type returned by IO$_SENSEMODE */
/* Access the system terminal definition table for the */
/* information of the terminal type returned by IO$_SENSEMODE */
if ((smg$init_term_table_by_type(&tc.t_type, &termtype) & 1) == 0)
return -1;
/* Set sizes */
term.t_nrow = ((unsigned int) tc.t_mandl >> 24) - 1;
term.t_ncol = tc.t_width;
@ -446,8 +452,8 @@ vmsopen()
#if SCROLLCODE
scroll_forward = vmsgetstr(SMG$K_SCROLL_FORWARD);
scroll_reverse = vmsgetstr(SMG$K_SCROLL_REVERSE);
if (tc.t_type < TT$_VT100 || scroll_reverse == NULL ||
scroll_forward == NULL)
if (tc.t_type < TT$_VT100 || scroll_reverse == NULL ||
scroll_forward == NULL)
term.t_scroll = NULL;
else
term.t_scroll = vmsscroll_reg;
@ -487,11 +493,11 @@ vmskclose()
* Nothing returned
***/
#if FNLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
fnclabel(f, n) /* label a function key */
int f, n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
return (TRUE);
}
#endif

167
vt52.c
View File

@ -11,7 +11,7 @@
* modified by Petri Kutvonen
*/
#define termdef 1 /* don't define "term" external */
#define termdef 1 /* don't define "term" external */
#include <stdio.h>
#include "estruct.h"
@ -19,33 +19,33 @@
#if VT52
#define NROW 24 /* Screen size. */
#define NCOL 80 /* Edit if you want to. */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define NPAUSE 100 /* # times thru update to pause */
#define BIAS 0x20 /* Origin 0 coordinate bias. */
#define ESC 0x1B /* ESC character. */
#define BEL 0x07 /* ascii bell character */
#define NROW 24 /* Screen size. */
#define NCOL 80 /* Edit if you want to. */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define NPAUSE 100 /* # times thru update to pause */
#define BIAS 0x20 /* Origin 0 coordinate bias. */
#define ESC 0x1B /* ESC character. */
#define BEL 0x07 /* ascii bell character */
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int vt52move();
extern int vt52eeol();
extern int vt52eeop();
extern int vt52beep();
extern int vt52open();
extern int vt52rev();
extern int vt52cres();
extern int vt52kopen();
extern int vt52kclose();
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int vt52move();
extern int vt52eeol();
extern int vt52eeop();
extern int vt52beep();
extern int vt52open();
extern int vt52rev();
extern int vt52cres();
extern int vt52kopen();
extern int vt52kclose();
#if COLOR
extern int vt52fcol();
extern int vt52bcol();
extern int vt52fcol();
extern int vt52bcol();
#endif
/*
@ -53,137 +53,132 @@ extern int vt52bcol();
* hard fields just point into the
* terminal I/O code.
*/
TERM term = {
NROW-1,
NROW-1,
NCOL,
NCOL,
TERM term = {
NROW - 1,
NROW - 1,
NCOL,
NCOL,
MARGIN,
SCRSIZ,
NPAUSE,
&vt52open,
&ttclose,
&vt52open,
&ttclose,
&vt52kopen,
&vt52kclose,
&ttgetc,
&ttputc,
&ttflush,
&vt52move,
&vt52eeol,
&vt52eeop,
&vt52beep,
&vt52rev,
&vt52cres
&ttgetc,
&ttputc,
&ttflush,
&vt52move,
&vt52eeol,
&vt52eeop,
&vt52beep,
&vt52rev,
&vt52cres
#if COLOR
, &vt52fcol,
, &vt52fcol,
&vt52bcol
#endif
#if SCROLLCODE
, NULL
, NULL
#endif
};
vt52move(row, col)
{
ttputc(ESC);
ttputc('Y');
ttputc(row+BIAS);
ttputc(col+BIAS);
ttputc(ESC);
ttputc('Y');
ttputc(row + BIAS);
ttputc(col + BIAS);
}
vt52eeol()
{
ttputc(ESC);
ttputc('K');
ttputc(ESC);
ttputc('K');
}
vt52eeop()
{
ttputc(ESC);
ttputc('J');
ttputc(ESC);
ttputc('J');
}
vt52rev(status) /* set the reverse video state */
int status; /* TRUE = reverse video, FALSE = normal video */
vt52rev(status)
/* set the reverse video state */
int status; /* TRUE = reverse video, FALSE = normal video */
{
/* can't do this here, so we won't */
}
vt52cres() /* change screen resolution - (not here though) */
{
return(TRUE);
vt52cres()
{ /* change screen resolution - (not here though) */
return (TRUE);
}
spal() /* change palette string */
{
/* Does nothing here */
spal()
{ /* change palette string */
/* Does nothing here */
}
#if COLOR
vt52fcol() /* set the forground color [NOT IMPLIMENTED] */
{
vt52fcol()
{ /* set the forground color [NOT IMPLIMENTED] */
}
vt52bcol() /* set the background color [NOT IMPLIMENTED] */
{
vt52bcol()
{ /* set the background color [NOT IMPLIMENTED] */
}
#endif
vt52beep()
{
#ifdef BEL
ttputc(BEL);
ttflush();
ttputc(BEL);
ttflush();
#endif
}
vt52open()
{
#if V7 | BSD
register char *cp;
char *getenv();
register char *cp;
char *getenv();
if ((cp = getenv("TERM")) == NULL) {
puts("Shell variable TERM not defined!");
exit(1);
}
if (strcmp(cp, "vt52") != 0 && strcmp(cp, "z19") != 0) {
puts("Terminal type not 'vt52'or 'z19' !");
exit(1);
}
if ((cp = getenv("TERM")) == NULL) {
puts("Shell variable TERM not defined!");
exit(1);
}
if (strcmp(cp, "vt52") != 0 && strcmp(cp, "z19") != 0) {
puts("Terminal type not 'vt52'or 'z19' !");
exit(1);
}
#endif
ttopen();
ttopen();
}
vt52kopen()
{
}
vt52kclose()
{
}
#if FNLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
fnclabel(f, n)
/* label a function key */
int f, n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
return (TRUE);
}
#endif
#else
vt52hello()
{
}

601
window.c
View File

@ -16,30 +16,29 @@
* redisplay code does). With no argument it defaults to 0. Bound to M-!.
*/
reposition(f, n)
{
if (f == FALSE) /* default to 0 to center screen */
n = 0;
curwp->w_force = n;
curwp->w_flag |= WFFORCE;
return (TRUE);
}
{
if (f == FALSE) /* default to 0 to center screen */
n = 0;
curwp->w_force = n;
curwp->w_flag |= WFFORCE;
return (TRUE);
}
/*
* Refresh the screen. With no argument, it just does the refresh. With an
* argument it recenters "." in the current window. Bound to "C-L".
*/
refresh(f, n)
{
if (f == FALSE)
sgarbf = TRUE;
else
{
curwp->w_force = 0; /* Center dot. */
curwp->w_flag |= WFFORCE;
}
{
if (f == FALSE)
sgarbf = TRUE;
else {
curwp->w_force = 0; /* Center dot. */
curwp->w_flag |= WFFORCE;
}
return (TRUE);
}
return (TRUE);
}
/*
* The command make the next window (next => down the screen) the current
@ -51,11 +50,11 @@ refresh(f, n)
*/
nextwind(f, n)
int f, n; /* default flag and numeric argument */
int f, n; /* default flag and numeric argument */
{
register WINDOW *wp;
register int nwindows; /* total number of windows */
register int nwindows; /* total number of windows */
if (f) {
@ -68,7 +67,7 @@ int f, n; /* default flag and numeric argument */
}
/* if the argument is negative, it is the nth window
from the bottom of the screen */
from the bottom of the screen */
if (n < 0)
n = nwindows + n + 1;
@ -79,11 +78,10 @@ int f, n; /* default flag and numeric argument */
wp = wp->w_wndp;
} else {
mlwrite("Window number out of range");
return(FALSE);
return (FALSE);
}
} else
if ((wp = curwp->w_wndp) == NULL)
wp = wheadp;
} else if ((wp = curwp->w_wndp) == NULL)
wp = wheadp;
curwp = wp;
curbp = wp->w_bufp;
cknewwindow();
@ -103,7 +101,7 @@ prevwind(f, n)
/* if we have an argument, we mean the nth window from the bottom */
if (f)
return(nextwind(f, -n));
return (nextwind(f, -n));
wp1 = wheadp;
wp2 = curwp;
@ -116,7 +114,7 @@ prevwind(f, n)
curwp = wp1;
curbp = wp1->w_bufp;
cknewwindow();
cknewwindow();
upmode();
return (TRUE);
}
@ -144,47 +142,43 @@ int n;
* "C-X C-P".
*/
mvupwind(f, n)
int n;
int n;
{
register LINE *lp;
register int i;
{
register LINE *lp;
register int i;
lp = curwp->w_linep;
lp = curwp->w_linep;
if (n < 0)
{
while (n++ && lp!=curbp->b_linep)
lp = lforw(lp);
}
else
{
while (n-- && lback(lp)!=curbp->b_linep)
lp = lback(lp);
}
if (n < 0) {
while (n++ && lp != curbp->b_linep)
lp = lforw(lp);
} else {
while (n-- && lback(lp) != curbp->b_linep)
lp = lback(lp);
}
curwp->w_linep = lp;
curwp->w_flag |= WFHARD; /* Mode line is OK. */
curwp->w_linep = lp;
curwp->w_flag |= WFHARD; /* Mode line is OK. */
for (i = 0; i < curwp->w_ntrows; ++i)
{
if (lp == curwp->w_dotp)
return (TRUE);
if (lp == curbp->b_linep)
break;
lp = lforw(lp);
}
for (i = 0; i < curwp->w_ntrows; ++i) {
if (lp == curwp->w_dotp)
return (TRUE);
if (lp == curbp->b_linep)
break;
lp = lforw(lp);
}
lp = curwp->w_linep;
i = curwp->w_ntrows/2;
lp = curwp->w_linep;
i = curwp->w_ntrows / 2;
while (i-- && lp != curbp->b_linep)
lp = lforw(lp);
while (i-- && lp != curbp->b_linep)
lp = lforw(lp);
curwp->w_dotp = lp;
curwp->w_doto = 0;
return (TRUE);
}
curwp->w_dotp = lp;
curwp->w_doto = 0;
return (TRUE);
}
/*
* This command makes the current window the only window on the screen. Bound
@ -195,43 +189,43 @@ mvupwind(f, n)
*/
onlywind(f, n)
{
register WINDOW *wp;
register LINE *lp;
register int i;
register WINDOW *wp;
register LINE *lp;
register int i;
while (wheadp != curwp) {
wp = wheadp;
wheadp = wp->w_wndp;
if (--wp->w_bufp->b_nwnd == 0) {
wp->w_bufp->b_dotp = wp->w_dotp;
wp->w_bufp->b_doto = wp->w_doto;
wp->w_bufp->b_markp = wp->w_markp;
wp->w_bufp->b_marko = wp->w_marko;
}
free((char *) wp);
}
while (curwp->w_wndp != NULL) {
wp = curwp->w_wndp;
curwp->w_wndp = wp->w_wndp;
if (--wp->w_bufp->b_nwnd == 0) {
wp->w_bufp->b_dotp = wp->w_dotp;
wp->w_bufp->b_doto = wp->w_doto;
wp->w_bufp->b_markp = wp->w_markp;
wp->w_bufp->b_marko = wp->w_marko;
}
free((char *) wp);
}
lp = curwp->w_linep;
i = curwp->w_toprow;
while (i!=0 && lback(lp)!=curbp->b_linep) {
--i;
lp = lback(lp);
}
curwp->w_toprow = 0;
curwp->w_ntrows = term.t_nrow-1;
curwp->w_linep = lp;
curwp->w_flag |= WFMODE|WFHARD;
return (TRUE);
while (wheadp != curwp) {
wp = wheadp;
wheadp = wp->w_wndp;
if (--wp->w_bufp->b_nwnd == 0) {
wp->w_bufp->b_dotp = wp->w_dotp;
wp->w_bufp->b_doto = wp->w_doto;
wp->w_bufp->b_markp = wp->w_markp;
wp->w_bufp->b_marko = wp->w_marko;
}
free((char *) wp);
}
while (curwp->w_wndp != NULL) {
wp = curwp->w_wndp;
curwp->w_wndp = wp->w_wndp;
if (--wp->w_bufp->b_nwnd == 0) {
wp->w_bufp->b_dotp = wp->w_dotp;
wp->w_bufp->b_doto = wp->w_doto;
wp->w_bufp->b_markp = wp->w_markp;
wp->w_bufp->b_marko = wp->w_marko;
}
free((char *) wp);
}
lp = curwp->w_linep;
i = curwp->w_toprow;
while (i != 0 && lback(lp) != curbp->b_linep) {
--i;
lp = lback(lp);
}
curwp->w_toprow = 0;
curwp->w_ntrows = term.t_nrow - 1;
curwp->w_linep = lp;
curwp->w_flag |= WFMODE | WFHARD;
return (TRUE);
}
/*
@ -239,9 +233,9 @@ onlywind(f, n)
* or, if it is the top window, the window below. Bound to C-X 0.
*/
delwind(f,n)
delwind(f, n)
int f, n; /* arguments are ignored for this command */
int f, n; /* arguments are ignored for this command */
{
register WINDOW *wp; /* window to recieve deleted space */
@ -251,7 +245,7 @@ int f, n; /* arguments are ignored for this command */
/* if there is only one window, don't delete it */
if (wheadp->w_wndp == NULL) {
mlwrite("Can not delete this window");
return(FALSE);
return (FALSE);
}
/* find window before curwp in linked list */
@ -275,7 +269,7 @@ int f, n; /* arguments are ignored for this command */
wp = wp->w_wndp;
}
if (wp == NULL)
return(FALSE);
return (FALSE);
wp->w_toprow = 0;
wp->w_ntrows += target;
} else {
@ -287,7 +281,7 @@ int f, n; /* arguments are ignored for this command */
wp = wp->w_wndp;
}
if (wp == NULL)
return(FALSE);
return (FALSE);
wp->w_ntrows += 1 + curwp->w_ntrows;
}
@ -302,13 +296,13 @@ int f, n; /* arguments are ignored for this command */
wheadp = curwp->w_wndp;
else
lwp->w_wndp = curwp->w_wndp;
free((char *)curwp);
free((char *) curwp);
curwp = wp;
wp->w_flag |= WFHARD;
curbp = wp->w_bufp;
cknewwindow();
cknewwindow();
upmode();
return(TRUE);
return (TRUE);
}
/*
@ -322,82 +316,82 @@ for the new window. Bound to "C-X 2".
*/
splitwind(f, n)
int f, n; /* default flag and numeric argument */
int f, n; /* default flag and numeric argument */
{
register WINDOW *wp;
register LINE *lp;
register int ntru;
register int ntrl;
register int ntrd;
register WINDOW *wp1;
register WINDOW *wp2;
register WINDOW *wp;
register LINE *lp;
register int ntru;
register int ntrl;
register int ntrd;
register WINDOW *wp1;
register WINDOW *wp2;
char *malloc();
if (curwp->w_ntrows < 3) {
mlwrite("Cannot split a %d line window", curwp->w_ntrows);
return (FALSE);
}
if ((wp = (WINDOW *) malloc(sizeof(WINDOW))) == NULL) {
mlwrite("(OUT OF MEMORY)");
return (FALSE);
}
++curbp->b_nwnd; /* Displayed twice. */
wp->w_bufp = curbp;
wp->w_dotp = curwp->w_dotp;
wp->w_doto = curwp->w_doto;
wp->w_markp = curwp->w_markp;
wp->w_marko = curwp->w_marko;
wp->w_flag = 0;
wp->w_force = 0;
if (curwp->w_ntrows < 3) {
mlwrite("Cannot split a %d line window", curwp->w_ntrows);
return (FALSE);
}
if ((wp = (WINDOW *) malloc(sizeof(WINDOW))) == NULL) {
mlwrite("(OUT OF MEMORY)");
return (FALSE);
}
++curbp->b_nwnd; /* Displayed twice. */
wp->w_bufp = curbp;
wp->w_dotp = curwp->w_dotp;
wp->w_doto = curwp->w_doto;
wp->w_markp = curwp->w_markp;
wp->w_marko = curwp->w_marko;
wp->w_flag = 0;
wp->w_force = 0;
#if COLOR
/* set the colors of the new window */
wp->w_fcolor = gfcolor;
wp->w_bcolor = gbcolor;
#endif
ntru = (curwp->w_ntrows-1) / 2; /* Upper size */
ntrl = (curwp->w_ntrows-1) - ntru; /* Lower size */
lp = curwp->w_linep;
ntrd = 0;
while (lp != curwp->w_dotp) {
++ntrd;
lp = lforw(lp);
}
lp = curwp->w_linep;
if (((f == FALSE) && (ntrd <= ntru)) || ((f == TRUE) && (n == 1))) {
/* Old is upper window. */
if (ntrd == ntru) /* Hit mode line. */
lp = lforw(lp);
curwp->w_ntrows = ntru;
wp->w_wndp = curwp->w_wndp;
curwp->w_wndp = wp;
wp->w_toprow = curwp->w_toprow+ntru+1;
wp->w_ntrows = ntrl;
} else { /* Old is lower window */
wp1 = NULL;
wp2 = wheadp;
while (wp2 != curwp) {
wp1 = wp2;
wp2 = wp2->w_wndp;
}
if (wp1 == NULL)
wheadp = wp;
else
wp1->w_wndp = wp;
wp->w_wndp = curwp;
wp->w_toprow = curwp->w_toprow;
wp->w_ntrows = ntru;
++ntru; /* Mode line. */
curwp->w_toprow += ntru;
curwp->w_ntrows = ntrl;
while (ntru--)
lp = lforw(lp);
}
curwp->w_linep = lp; /* Adjust the top lines */
wp->w_linep = lp; /* if necessary. */
curwp->w_flag |= WFMODE|WFHARD;
wp->w_flag |= WFMODE|WFHARD;
return (TRUE);
ntru = (curwp->w_ntrows - 1) / 2; /* Upper size */
ntrl = (curwp->w_ntrows - 1) - ntru; /* Lower size */
lp = curwp->w_linep;
ntrd = 0;
while (lp != curwp->w_dotp) {
++ntrd;
lp = lforw(lp);
}
lp = curwp->w_linep;
if (((f == FALSE) && (ntrd <= ntru)) || ((f == TRUE) && (n == 1))) {
/* Old is upper window. */
if (ntrd == ntru) /* Hit mode line. */
lp = lforw(lp);
curwp->w_ntrows = ntru;
wp->w_wndp = curwp->w_wndp;
curwp->w_wndp = wp;
wp->w_toprow = curwp->w_toprow + ntru + 1;
wp->w_ntrows = ntrl;
} else { /* Old is lower window */
wp1 = NULL;
wp2 = wheadp;
while (wp2 != curwp) {
wp1 = wp2;
wp2 = wp2->w_wndp;
}
if (wp1 == NULL)
wheadp = wp;
else
wp1->w_wndp = wp;
wp->w_wndp = curwp;
wp->w_toprow = curwp->w_toprow;
wp->w_ntrows = ntru;
++ntru; /* Mode line. */
curwp->w_toprow += ntru;
curwp->w_ntrows = ntrl;
while (ntru--)
lp = lforw(lp);
}
curwp->w_linep = lp; /* Adjust the top lines */
wp->w_linep = lp; /* if necessary. */
curwp->w_flag |= WFMODE | WFHARD;
wp->w_flag |= WFMODE | WFHARD;
return (TRUE);
}
/*
@ -408,48 +402,48 @@ int f, n; /* default flag and numeric argument */
*/
enlargewind(f, n)
{
register WINDOW *adjwp;
register LINE *lp;
register int i;
register WINDOW *adjwp;
register LINE *lp;
register int i;
if (n < 0)
return (shrinkwind(f, -n));
if (wheadp->w_wndp == NULL) {
mlwrite("Only one window");
return (FALSE);
}
if ((adjwp=curwp->w_wndp) == NULL) {
adjwp = wheadp;
while (adjwp->w_wndp != curwp)
adjwp = adjwp->w_wndp;
}
if (adjwp->w_ntrows <= n) {
mlwrite("Impossible change");
return (FALSE);
}
if (curwp->w_wndp == adjwp) { /* Shrink below. */
lp = adjwp->w_linep;
for (i=0; i<n && lp!=adjwp->w_bufp->b_linep; ++i)
lp = lforw(lp);
adjwp->w_linep = lp;
adjwp->w_toprow += n;
} else { /* Shrink above. */
lp = curwp->w_linep;
for (i=0; i<n && lback(lp)!=curbp->b_linep; ++i)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_toprow -= n;
}
curwp->w_ntrows += n;
adjwp->w_ntrows -= n;
if (n < 0)
return (shrinkwind(f, -n));
if (wheadp->w_wndp == NULL) {
mlwrite("Only one window");
return (FALSE);
}
if ((adjwp = curwp->w_wndp) == NULL) {
adjwp = wheadp;
while (adjwp->w_wndp != curwp)
adjwp = adjwp->w_wndp;
}
if (adjwp->w_ntrows <= n) {
mlwrite("Impossible change");
return (FALSE);
}
if (curwp->w_wndp == adjwp) { /* Shrink below. */
lp = adjwp->w_linep;
for (i = 0; i < n && lp != adjwp->w_bufp->b_linep; ++i)
lp = lforw(lp);
adjwp->w_linep = lp;
adjwp->w_toprow += n;
} else { /* Shrink above. */
lp = curwp->w_linep;
for (i = 0; i < n && lback(lp) != curbp->b_linep; ++i)
lp = lback(lp);
curwp->w_linep = lp;
curwp->w_toprow -= n;
}
curwp->w_ntrows += n;
adjwp->w_ntrows -= n;
#if SCROLLCODE
curwp->w_flag |= WFMODE|WFHARD|WFINS;
adjwp->w_flag |= WFMODE|WFHARD|WFKILLS;
curwp->w_flag |= WFMODE | WFHARD | WFINS;
adjwp->w_flag |= WFMODE | WFHARD | WFKILLS;
#else
curwp->w_flag |= WFMODE|WFHARD;
adjwp->w_flag |= WFMODE|WFHARD;
curwp->w_flag |= WFMODE | WFHARD;
adjwp->w_flag |= WFMODE | WFHARD;
#endif
return (TRUE);
return (TRUE);
}
/*
@ -459,71 +453,72 @@ enlargewind(f, n)
*/
shrinkwind(f, n)
{
register WINDOW *adjwp;
register LINE *lp;
register int i;
register WINDOW *adjwp;
register LINE *lp;
register int i;
if (n < 0)
return (enlargewind(f, -n));
if (wheadp->w_wndp == NULL) {
mlwrite("Only one window");
return (FALSE);
}
if ((adjwp=curwp->w_wndp) == NULL) {
adjwp = wheadp;
while (adjwp->w_wndp != curwp)
adjwp = adjwp->w_wndp;
}
if (curwp->w_ntrows <= n) {
mlwrite("Impossible change");
return (FALSE);
}
if (curwp->w_wndp == adjwp) { /* Grow below. */
lp = adjwp->w_linep;
for (i=0; i<n && lback(lp)!=adjwp->w_bufp->b_linep; ++i)
lp = lback(lp);
adjwp->w_linep = lp;
adjwp->w_toprow -= n;
} else { /* Grow above. */
lp = curwp->w_linep;
for (i=0; i<n && lp!=curbp->b_linep; ++i)
lp = lforw(lp);
curwp->w_linep = lp;
curwp->w_toprow += n;
}
curwp->w_ntrows -= n;
adjwp->w_ntrows += n;
if (n < 0)
return (enlargewind(f, -n));
if (wheadp->w_wndp == NULL) {
mlwrite("Only one window");
return (FALSE);
}
if ((adjwp = curwp->w_wndp) == NULL) {
adjwp = wheadp;
while (adjwp->w_wndp != curwp)
adjwp = adjwp->w_wndp;
}
if (curwp->w_ntrows <= n) {
mlwrite("Impossible change");
return (FALSE);
}
if (curwp->w_wndp == adjwp) { /* Grow below. */
lp = adjwp->w_linep;
for (i = 0; i < n && lback(lp) != adjwp->w_bufp->b_linep;
++i)
lp = lback(lp);
adjwp->w_linep = lp;
adjwp->w_toprow -= n;
} else { /* Grow above. */
lp = curwp->w_linep;
for (i = 0; i < n && lp != curbp->b_linep; ++i)
lp = lforw(lp);
curwp->w_linep = lp;
curwp->w_toprow += n;
}
curwp->w_ntrows -= n;
adjwp->w_ntrows += n;
#if SCROLLCODE
curwp->w_flag |= WFMODE|WFHARD|WFKILLS;
adjwp->w_flag |= WFMODE|WFHARD|WFINS;
curwp->w_flag |= WFMODE | WFHARD | WFKILLS;
adjwp->w_flag |= WFMODE | WFHARD | WFINS;
#else
curwp->w_flag |= WFMODE|WFHARD;
adjwp->w_flag |= WFMODE|WFHARD;
curwp->w_flag |= WFMODE | WFHARD;
adjwp->w_flag |= WFMODE | WFHARD;
#endif
return (TRUE);
return (TRUE);
}
/* Resize the current window to the requested size */
resize(f, n)
int f, n; /* default flag and numeric argument */
int f, n; /* default flag and numeric argument */
{
int clines; /* current # of lines in window */
int clines; /* current # of lines in window */
/* must have a non-default argument, else ignore call */
if (f == FALSE)
return(TRUE);
return (TRUE);
/* find out what to do */
clines = curwp->w_ntrows;
/* already the right size? */
if (clines == n)
return(TRUE);
return (TRUE);
return(enlargewind(TRUE, n - clines));
return (enlargewind(TRUE, n - clines));
}
/*
@ -531,46 +526,41 @@ int f, n; /* default flag and numeric argument */
* Pick the uppermost window that isn't the current window. An LRU algorithm
* might be better. Return a pointer, or NULL on error.
*/
WINDOW *
wpopup()
WINDOW *wpopup()
{
register WINDOW *wp;
register WINDOW *wp;
if (wheadp->w_wndp == NULL /* Only 1 window */
&& splitwind(FALSE, 0) == FALSE) /* and it won't split */
return (NULL);
wp = wheadp; /* Find window to use */
while (wp!=NULL && wp==curwp)
wp = wp->w_wndp;
return (wp);
if (wheadp->w_wndp == NULL /* Only 1 window */
&& splitwind(FALSE, 0) == FALSE) /* and it won't split */
return (NULL);
wp = wheadp; /* Find window to use */
while (wp != NULL && wp == curwp)
wp = wp->w_wndp;
return (wp);
}
scrnextup(f, n) /* scroll the next window up (back) a page */
{
scrnextup(f, n)
{ /* scroll the next window up (back) a page */
nextwind(FALSE, 1);
backpage(f, n);
prevwind(FALSE, 1);
}
scrnextdw(f, n) /* scroll the next window down (forward) a page */
{
scrnextdw(f, n)
{ /* scroll the next window down (forward) a page */
nextwind(FALSE, 1);
forwpage(f, n);
prevwind(FALSE, 1);
}
savewnd(f, n) /* save ptr to current window */
{
savewnd(f, n)
{ /* save ptr to current window */
swindow = curwp;
return(TRUE);
return (TRUE);
}
restwnd(f, n) /* restore the saved screen */
{
restwnd(f, n)
{ /* restore the saved screen */
register WINDOW *wp;
/* find the window */
@ -586,19 +576,19 @@ restwnd(f, n) /* restore the saved screen */
}
mlwrite("(No such window exists)");
return(FALSE);
return (FALSE);
}
newsize(f, n) /* resize the screen, re-writing the screen */
int f; /* default flag */
int n; /* numeric argument */
newsize(f, n)
/* resize the screen, re-writing the screen */
int f; /* default flag */
int n; /* numeric argument */
{
WINDOW *wp; /* current window being examined */
WINDOW *nextwp; /* next window to scan */
WINDOW *lastwp; /* last window scanned */
int lastline; /* screen line of last line of current window */
WINDOW *wp; /* current window being examined */
WINDOW *nextwp; /* next window to scan */
WINDOW *lastwp; /* last window scanned */
int lastline; /* screen line of last line of current window */
/* if the command defaults, assume the largest */
if (f == FALSE)
@ -607,11 +597,11 @@ int n; /* numeric argument */
/* make sure it's in range */
if (n < 3 || n > term.t_mrow + 1) {
mlwrite("%%Screen size out of range");
return(FALSE);
return (FALSE);
}
if (term.t_nrow == n - 1)
return(TRUE);
return (TRUE);
else if (term.t_nrow < n - 1) {
/* go to the last window */
@ -621,7 +611,7 @@ int n; /* numeric argument */
/* and enlarge it as needed */
wp->w_ntrows = n - wp->w_toprow - 2;
wp->w_flag |= WFHARD|WFMODE;
wp->w_flag |= WFHARD | WFMODE;
} else {
@ -632,7 +622,7 @@ int n; /* numeric argument */
while (nextwp != NULL) {
wp = nextwp;
nextwp = wp->w_wndp;
/* get rid of it if it is too low */
if (wp->w_toprow > n - 2) {
@ -643,24 +633,25 @@ int n; /* numeric argument */
wp->w_bufp->b_markp = wp->w_markp;
wp->w_bufp->b_marko = wp->w_marko;
}
/* update curwp and lastwp if needed */
if (wp == curwp)
curwp = wheadp;
curbp = curwp->w_bufp;
curbp = curwp->w_bufp;
if (lastwp != NULL)
lastwp->w_wndp = NULL;
/* free the structure */
free((char *)wp);
free((char *) wp);
wp = NULL;
} else {
/* need to change this window size? */
lastline = wp->w_toprow + wp->w_ntrows - 1;
if (lastline >= n - 2) {
wp->w_ntrows = n - wp->w_toprow - 2;
wp->w_flag |= WFHARD|WFMODE;
wp->w_ntrows =
n - wp->w_toprow - 2;
wp->w_flag |= WFHARD | WFMODE;
}
}
@ -671,13 +662,13 @@ int n; /* numeric argument */
/* screen is garbage */
term.t_nrow = n - 1;
sgarbf = TRUE;
return(TRUE);
return (TRUE);
}
newwidth(f, n) /* resize the screen, re-writing the screen */
int f; /* default flag */
int n; /* numeric argument */
newwidth(f, n)
/* resize the screen, re-writing the screen */
int f; /* default flag */
int n; /* numeric argument */
{
register WINDOW *wp;
@ -689,7 +680,7 @@ int n; /* numeric argument */
/* make sure it's in range */
if (n < 10 || n > term.t_mcol) {
mlwrite("%%Screen width out of range");
return(FALSE);
return (FALSE);
}
/* otherwise, just re-width it (no big deal) */
@ -705,12 +696,11 @@ int n; /* numeric argument */
}
sgarbf = TRUE;
return(TRUE);
return (TRUE);
}
int getwpos() /* get screen offset of current line in current window */
{
int getwpos()
{ /* get screen offset of current line in current window */
register int sline; /* screen line from top of window */
register LINE *lp; /* scannile line pointer */
@ -723,11 +713,10 @@ int getwpos() /* get screen offset of current line in current window */
}
/* and return the value */
return(sline);
return (sline);
}
cknewwindow()
{
execute(META|SPEC|'X', FALSE, 1);
execute(META | SPEC | 'X', FALSE, 1);
}

245
word.c
View File

@ -20,46 +20,46 @@
*/
wrapword(f, n)
int f; /* default flag */
int n; /* numeric argument */
int f; /* default flag */
int n; /* numeric argument */
{
register int cnt; /* size of word wrapped to next line */
register int c; /* charector temporary */
/* backup from the <NL> 1 char */
if (!backchar(0, 1))
return(FALSE);
return (FALSE);
/* back up until we aren't in a word,
make sure there is a break in the line */
cnt = 0;
while (((c = lgetc(curwp->w_dotp, curwp->w_doto)) != ' ')
&& (c != '\t')) {
&& (c != '\t')) {
cnt++;
if (!backchar(0, 1))
return(FALSE);
return (FALSE);
/* if we make it to the beginning, start a new line */
if (curwp->w_doto == 0) {
gotoeol(FALSE, 0);
return(lnewline());
return (lnewline());
}
}
/* delete the forward white space */
if (!forwdel(0, 1))
return(FALSE);
return (FALSE);
/* put in a end of line */
if (!lnewline())
return(FALSE);
return (FALSE);
/* and past the first word */
while (cnt-- > 0) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
}
return(TRUE);
return (TRUE);
}
/*
@ -105,7 +105,7 @@ forwword(f, n)
return (FALSE);
}
}
return(TRUE);
return (TRUE);
}
/*
@ -115,10 +115,10 @@ forwword(f, n)
*/
upperword(f, n)
{
register int c;
register int c;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (n < 0)
return (FALSE);
while (n--) {
@ -131,9 +131,9 @@ upperword(f, n)
#if PKCODE
if (islower(c)) {
#else
if (c>='a' && c<='z') {
if (c >= 'a' && c <= 'z') {
#endif
c -= 'a'-'A';
c -= 'a' - 'A';
lputc(curwp->w_dotp, curwp->w_doto, c);
lchange(WFHARD);
}
@ -151,10 +151,10 @@ upperword(f, n)
*/
lowerword(f, n)
{
register int c;
register int c;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (n < 0)
return (FALSE);
while (n--) {
@ -167,9 +167,9 @@ lowerword(f, n)
#if PKCODE
if (isupper(c)) {
#else
if (c>='A' && c<='Z') {
if (c >= 'A' && c <= 'Z') {
#endif
c += 'a'-'A';
c += 'a' - 'A';
lputc(curwp->w_dotp, curwp->w_doto, c);
lchange(WFHARD);
}
@ -188,10 +188,10 @@ lowerword(f, n)
*/
capword(f, n)
{
register int c;
register int c;
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (n < 0)
return (FALSE);
while (n--) {
@ -204,9 +204,9 @@ capword(f, n)
#if PKCODE
if (islower(c)) {
#else
if (c>='a' && c<='z') {
if (c >= 'a' && c <= 'z') {
#endif
c -= 'a'-'A';
c -= 'a' - 'A';
lputc(curwp->w_dotp, curwp->w_doto, c);
lchange(WFHARD);
}
@ -217,10 +217,11 @@ capword(f, n)
#if PKCODE
if (isupper(c)) {
#else
if (c>='A' && c<='Z') {
if (c >= 'A' && c <= 'Z') {
#endif
c += 'a'-'A';
lputc(curwp->w_dotp, curwp->w_doto, c);
c += 'a' - 'A';
lputc(curwp->w_dotp, curwp->w_doto,
c);
lchange(WFHARD);
}
if (forwchar(FALSE, 1) == FALSE)
@ -239,21 +240,21 @@ capword(f, n)
*/
delfword(f, n)
{
register LINE *dotp; /* original cursor line */
register int doto; /* and row */
register LINE *dotp; /* original cursor line */
register int doto; /* and row */
register int c; /* temp char */
long size; /* # of chars to delete */
/* don't allow this command if we are in read only mode */
if (curbp->b_mode&MDVIEW)
return(rdonly());
if (curbp->b_mode & MDVIEW)
return (rdonly());
/* ignore the command if there is a negative argument */
if (n < 0)
return (FALSE);
/* Clear the kill buffer if last command wasn't a kill */
if ((lastflag&CFKILL) == 0)
if ((lastflag & CFKILL) == 0)
kdelete();
thisflag |= CFKILL; /* this command is a kill */
@ -267,7 +268,7 @@ delfword(f, n)
/* get us into a word.... */
while (inword() == FALSE) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
++size;
}
@ -275,43 +276,43 @@ delfword(f, n)
/* skip one word, no whitespace! */
while (inword() == TRUE) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
++size;
}
} else {
/* skip n words.... */
while (n--) {
/* if we are at EOL; skip to the beginning of the next */
while (curwp->w_doto == llength(curwp->w_dotp)) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
++size;
}
/* move forward till we are at the end of the word */
while (inword() == TRUE) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
++size;
}
/* if there are more words, skip the interword stuff */
if (n != 0)
while (inword() == FALSE) {
if (forwchar(FALSE, 1) == FALSE)
return(FALSE);
return (FALSE);
++size;
}
}
/* skip whitespace and newlines */
while ((curwp->w_doto == llength(curwp->w_dotp)) ||
((c = lgetc(curwp->w_dotp, curwp->w_doto)) == ' ') ||
(c == '\t')) {
if (forwchar(FALSE, 1) == FALSE)
break;
++size;
((c = lgetc(curwp->w_dotp, curwp->w_doto)) == ' ')
|| (c == '\t')) {
if (forwchar(FALSE, 1) == FALSE)
break;
++size;
}
}
@ -331,15 +332,15 @@ delbword(f, n)
long size;
/* don't allow this command if we are in read only mode */
if (curbp->b_mode&MDVIEW)
return(rdonly());
if (curbp->b_mode & MDVIEW)
return (rdonly());
/* ignore the command if there is a nonpositive argument */
if (n <= 0)
return (FALSE);
/* Clear the kill buffer if last command wasn't a kill */
if ((lastflag&CFKILL) == 0)
if ((lastflag & CFKILL) == 0)
kdelete();
thisflag |= CFKILL; /* this command is a kill */
@ -360,7 +361,7 @@ delbword(f, n)
}
if (forwchar(FALSE, 1) == FALSE)
return (FALSE);
bckdel: return (ldelete(size, TRUE));
bckdel:return (ldelete(size, TRUE));
}
/*
@ -369,7 +370,7 @@ bckdel: return (ldelete(size, TRUE));
*/
inword()
{
register int c;
register int c;
if (curwp->w_doto == llength(curwp->w_dotp))
return (FALSE);
@ -377,39 +378,39 @@ inword()
#if PKCODE
if (isletter(c))
#else
if (c>='a' && c<='z')
if (c >= 'a' && c <= 'z')
return (TRUE);
if (c>='A' && c<='Z')
if (c >= 'A' && c <= 'Z')
#endif
return (TRUE);
if (c>='0' && c<='9')
if (c >= '0' && c <= '9')
return (TRUE);
return (FALSE);
}
#if WORDPRO
fillpara(f, n) /* Fill the current paragraph according to the current
fill column */
int f, n; /* deFault flag and Numeric argument */
fillpara(f, n)
/* Fill the current paragraph according to the current
fill column */
int f, n; /* deFault flag and Numeric argument */
{
register int c; /* current char durring scan */
register int wordlen; /* length of current word */
register int clength; /* position on line during fill */
register int i; /* index during word copy */
register int newlength; /* tentative new line length */
register int eopflag; /* Are we at the End-Of-Paragraph? */
register int firstflag; /* first word? (needs no space) */
register LINE *eopline; /* pointer to line just past EOP */
register int dotflag; /* was the last char a period? */
char wbuf[NSTRING]; /* buffer for current word */
register int c; /* current char durring scan */
register int wordlen; /* length of current word */
register int clength; /* position on line during fill */
register int i; /* index during word copy */
register int newlength; /* tentative new line length */
register int eopflag; /* Are we at the End-Of-Paragraph? */
register int firstflag; /* first word? (needs no space) */
register LINE *eopline; /* pointer to line just past EOP */
register int dotflag; /* was the last char a period? */
char wbuf[NSTRING]; /* buffer for current word */
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (fillcol == 0) { /* no fill column set */
mlwrite("No fill column set");
return(FALSE);
return (FALSE);
}
#if PKCODE
justflag = FALSE;
@ -446,7 +447,7 @@ int f, n; /* deFault flag and Numeric argument */
/* if not a separator, just add it in */
if (c != ' ' && c != '\t') {
dotflag = (c == '.'); /* was it a dot */
dotflag = (c == '.'); /* was it a dot */
if (wordlen < NSTRING - 1)
wbuf[wordlen++] = c;
} else if (wordlen) {
@ -456,7 +457,7 @@ int f, n; /* deFault flag and Numeric argument */
if (newlength <= fillcol) {
/* add word to current line */
if (!firstflag) {
linsert(1, ' '); /* the space */
linsert(1, ' '); /* the space */
++clength;
}
firstflag = FALSE;
@ -467,7 +468,7 @@ int f, n; /* deFault flag and Numeric argument */
}
/* and add the word in in either case */
for (i=0; i<wordlen; i++) {
for (i = 0; i < wordlen; i++) {
linsert(1, wbuf[i]);
++clength;
}
@ -480,40 +481,40 @@ int f, n; /* deFault flag and Numeric argument */
}
/* and add a last newline for the end of our new paragraph */
lnewline();
return(TRUE);
return (TRUE);
}
#if PKCODE
justpara(f, n) /* Fill the current paragraph according to the current
fill column and cursor position */
int f, n; /* deFault flag and Numeric argument */
justpara(f, n)
/* Fill the current paragraph according to the current
fill column and cursor position */
int f, n; /* deFault flag and Numeric argument */
{
register int c; /* current char durring scan */
register int wordlen; /* length of current word */
register int clength; /* position on line during fill */
register int i; /* index during word copy */
register int newlength; /* tentative new line length */
register int eopflag; /* Are we at the End-Of-Paragraph? */
register int firstflag; /* first word? (needs no space) */
register LINE *eopline; /* pointer to line just past EOP */
char wbuf[NSTRING]; /* buffer for current word */
int leftmarg; /* left marginal */
register int c; /* current char durring scan */
register int wordlen; /* length of current word */
register int clength; /* position on line during fill */
register int i; /* index during word copy */
register int newlength; /* tentative new line length */
register int eopflag; /* Are we at the End-Of-Paragraph? */
register int firstflag; /* first word? (needs no space) */
register LINE *eopline; /* pointer to line just past EOP */
char wbuf[NSTRING]; /* buffer for current word */
int leftmarg; /* left marginal */
if (curbp->b_mode&MDVIEW) /* don't allow this command if */
return(rdonly()); /* we are in read only mode */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return (rdonly()); /* we are in read only mode */
if (fillcol == 0) { /* no fill column set */
mlwrite("No fill column set");
return(FALSE);
return (FALSE);
}
justflag = TRUE;
leftmarg = curwp->w_doto;
if (leftmarg+10 > fillcol) {
if (leftmarg + 10 > fillcol) {
leftmarg = 0;
mlwrite("Column too narrow");
return(FALSE);
}
return (FALSE);
}
/* record the pointer to the line just past the EOP */
gotoeop(FALSE, 1);
@ -558,20 +559,20 @@ int f, n; /* deFault flag and Numeric argument */
if (newlength <= fillcol) {
/* add word to current line */
if (!firstflag) {
linsert(1, ' '); /* the space */
linsert(1, ' '); /* the space */
++clength;
}
firstflag = FALSE;
} else {
/* start a new line */
lnewline();
for (i=0; i<leftmarg; i++)
for (i = 0; i < leftmarg; i++)
linsert(1, ' ');
clength = leftmarg;
}
/* and add the word in in either case */
for (i=0; i<wordlen; i++) {
for (i = 0; i < wordlen; i++) {
linsert(1, wbuf[i]);
++clength;
}
@ -588,14 +589,14 @@ int f, n; /* deFault flag and Numeric argument */
curwp->w_doto = llength(curwp->w_dotp);
justflag = FALSE;
return(TRUE);
return (TRUE);
}
#endif
killpara(f, n) /* delete n paragraphs starting with the current one */
int f; /* default flag */
int n; /* # of paras to delete */
killpara(f, n)
/* delete n paragraphs starting with the current one */
int f; /* default flag */
int n; /* # of paras to delete */
{
register int status; /* returned status of functions */
@ -612,15 +613,15 @@ int n; /* # of paras to delete */
/* go to the beginning of the paragraph */
gotobop(FALSE, 1);
curwp->w_doto = 0; /* force us to the beginning of line */
/* and delete it */
if ((status = killregion(FALSE, 1)) != TRUE)
return(status);
return (status);
/* and clean up the 2 extra lines */
ldelete(2L, TRUE);
}
return(TRUE);
return (TRUE);
}
@ -630,7 +631,7 @@ int n; /* # of paras to delete */
wordcount(f, n)
int f, n; /* ignored numeric arguments */
int f, n; /* ignored numeric arguments */
{
register LINE *lp; /* current line to scan */
@ -648,16 +649,16 @@ int f, n; /* ignored numeric arguments */
#if PKCODE
struct {
long pk_1;
long pk_2;
int pk_3;
int pk_4;
long pk_1;
long pk_2;
int pk_3;
int pk_4;
} pk_mlrec;
#endif
/* make sure we have a region to count */
if ((status = getregion(&region)) != TRUE)
return(status);
return (status);
lp = region.r_linep;
offset = region.r_offset;
size = region.r_size;
@ -683,12 +684,12 @@ int f, n; /* ignored numeric arguments */
/* and tabulate it */
wordflag = (
#if PKCODE
(isletter(ch)) ||
(isletter(ch)) ||
#else
(ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
(ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
#endif
(ch >= '0' && ch <= '9'));
(ch >= '0' && ch <= '9'));
if (wordflag == TRUE && lastword == FALSE)
++nwords;
lastword = wordflag;
@ -697,7 +698,7 @@ int f, n; /* ignored numeric arguments */
/* and report on the info */
if (nwords > 0L)
avgch = (int)((100L * nchars) / nwords);
avgch = (int) ((100L * nchars) / nwords);
else
avgch = 0;
@ -706,12 +707,12 @@ int f, n; /* ignored numeric arguments */
pk_mlrec.pk_2 = nchars;
pk_mlrec.pk_3 = nlines + 1;
pk_mlrec.pk_4 = avgch;
mlwrite("%*Words %D Chars %D Lines %d Avg chars/word %f",
mlwrite("%*Words %D Chars %D Lines %d Avg chars/word %f",
&pk_mlrec);
#else
mlwrite("Words %D Chars %D Lines %d Avg chars/word %f",
nwords, nchars, nlines + 1, avgch);
#endif
return(TRUE);
return (TRUE);
}
#endif