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ansi.c:255:6: warning: symbol 'ansihello' was not declared. Should it be static? epath.h:11:6: warning: symbol 'pathname' was not declared. Should it be static? display.c:36:7: warning: symbol 'vscreen' was not declared. Should it be static? display.c:38:7: warning: symbol 'pscreen' was not declared. Should it be static? display.c:927:5: warning: symbol 'updateline' was not declared. Should it be static? evar.h:20:6: warning: symbol 'uv' was not declared. Should it be static? evar.h:24:6: warning: symbol 'envars' was not declared. Should it be static? evar.h:128:7: warning: symbol 'funcs' was not declared. Should it be static? fileio.c:14:6: warning: symbol 'ffp' was not declared. Should it be static? fileio.c:15:5: warning: symbol 'eofflag' was not declared. Should it be static? ibmpc.c:505:6: warning: symbol 'ibmhello' was not declared. Should it be static? isearch.c:36:5: warning: symbol 'saved_get_char' was not declared. Should it be static? isearch.c:37:5: warning: symbol 'eaten_char' was not declared. Should it be static? isearch.c:41:5: warning: symbol 'cmd_buff' was not declared. Should it be static? isearch.c:42:5: warning: symbol 'cmd_offset' was not declared. Should it be static? isearch.c:43:5: warning: symbol 'cmd_reexecute' was not declared. Should it be static? line.c:21:6: warning: symbol 'ykbuf' was not declared. Should it be static? line.c:22:5: warning: symbol 'ykboff' was not declared. Should it be static? lock.c:17:6: warning: symbol 'lname' was not declared. Should it be static? lock.c:18:5: warning: symbol 'numlocks' was not declared. Should it be static? vmsvt.c:521:6: warning: symbol 'hellovms' was not declared. Should it be static? vt52.c:181:6: warning: symbol 'vt52hello' was not declared. Should it be static? Signed-off-by: Thiago Farina <tfransosi@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
186 lines
3.0 KiB
C
186 lines
3.0 KiB
C
/* VT52.C
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*
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* The routines in this file
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* provide support for VT52 style terminals
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* over a serial line. The serial I/O services are
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* provided by routines in "termio.c". It compiles
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* into nothing if not a VT52 style device. The
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* bell on the VT52 is terrible, so the "beep"
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* routine is conditionalized on defining BEL.
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*
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* modified by Petri Kutvonen
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*/
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#define termdef 1 /* don't define "term" external */
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#include <stdio.h>
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#include "estruct.h"
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#include "edef.h"
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#if VT52
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#define NROW 24 /* Screen size. */
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#define NCOL 80 /* Edit if you want to. */
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#define MARGIN 8 /* size of minimim margin and */
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#define SCRSIZ 64 /* scroll size for extended lines */
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#define NPAUSE 100 /* # times thru update to pause */
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#define BIAS 0x20 /* Origin 0 coordinate bias. */
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#define ESC 0x1B /* ESC character. */
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#define BEL 0x07 /* ascii bell character */
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extern int ttopen(); /* Forward references. */
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extern int ttgetc();
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extern int ttputc();
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extern int ttflush();
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extern int ttclose();
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extern int vt52move();
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extern int vt52eeol();
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extern int vt52eeop();
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extern int vt52beep();
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extern int vt52open();
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extern int vt52rev();
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extern int vt52cres();
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extern int vt52kopen();
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extern int vt52kclose();
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#if COLOR
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extern int vt52fcol();
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extern int vt52bcol();
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#endif
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/*
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* Dispatch table. All the
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* hard fields just point into the
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* terminal I/O code.
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*/
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TERM term = {
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NROW - 1,
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NROW - 1,
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NCOL,
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NCOL,
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MARGIN,
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SCRSIZ,
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NPAUSE,
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&vt52open,
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&ttclose,
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&vt52kopen,
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&vt52kclose,
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&ttgetc,
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&ttputc,
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&ttflush,
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&vt52move,
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&vt52eeol,
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&vt52eeop,
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&vt52beep,
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&vt52rev,
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&vt52cres
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#if COLOR
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, &vt52fcol,
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&vt52bcol
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#endif
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#if SCROLLCODE
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, NULL
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#endif
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};
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vt52move(row, col)
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{
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ttputc(ESC);
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ttputc('Y');
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ttputc(row + BIAS);
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ttputc(col + BIAS);
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}
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vt52eeol()
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{
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ttputc(ESC);
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ttputc('K');
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}
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vt52eeop()
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{
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ttputc(ESC);
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ttputc('J');
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}
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vt52rev(status)
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/* set the reverse video state */
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int status; /* TRUE = reverse video, FALSE = normal video */
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{
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/* can't do this here, so we won't */
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}
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vt52cres()
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{ /* change screen resolution - (not here though) */
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return (TRUE);
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}
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spal()
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{ /* change palette string */
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/* Does nothing here */
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}
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#if COLOR
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vt52fcol()
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{ /* set the forground color [NOT IMPLIMENTED] */
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}
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vt52bcol()
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{ /* set the background color [NOT IMPLIMENTED] */
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}
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#endif
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vt52beep()
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{
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#ifdef BEL
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ttputc(BEL);
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ttflush();
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#endif
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}
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vt52open()
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{
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#if V7 | BSD
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register char *cp;
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char *getenv();
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if ((cp = getenv("TERM")) == NULL) {
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puts("Shell variable TERM not defined!");
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exit(1);
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}
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if (strcmp(cp, "vt52") != 0 && strcmp(cp, "z19") != 0) {
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puts("Terminal type not 'vt52'or 'z19' !");
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exit(1);
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}
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#endif
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ttopen();
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}
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vt52kopen()
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{
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}
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vt52kclose()
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{
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}
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#if FNLABEL
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fnclabel(f, n)
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/* label a function key */
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int f, n; /* default flag, numeric argument [unused] */
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{
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/* on machines with no function keys...don't bother */
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return (TRUE);
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}
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#endif
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#else
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static void vt52hello(void)
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{
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}
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#endif
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