Makefile

@@ -13,6 +13,11 @@ else
 endif
 export E Q
 
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+# for windows based target, insure we strip the variant part
+# CYGWIN_NT-6.1, CYGWIN_NT-6.1-WOW, CYGWIN_NT-6.1-WOW64, MSYS_NT-10.0-19042
+uname_S := $(shell sh -c 'echo $(uname_S) | sed s/_.*$$//')
+
 PROGRAM=ue
 
 CC=gcc
@@ -20,7 +25,18 @@ WARNINGS=-pedantic -Wall -Wextra -Wstrict-prototypes -Wno-unused-parameter
 CFLAGS=-O2 $(WARNINGS)
 LDFLAGS=-s
 LIBS=-lcurses
-DEFINES=-DPROGRAM=$(PROGRAM) -D_GNU_SOURCE # -DNDEBUG
+DEFINES=-DAUTOCONF -DPROGRAM=$(PROGRAM) # -DNDEBUG
+ifeq ($(uname_S),Linux)
+ DEFINES += -DPOSIX -DUSG
+else ifeq ($(uname_S),CYGWIN)
+ DEFINES += -DCYGWIN -DSYSV
+else ifeq ($(uname_S),MSYS)
+ DEFINES += -DCYGWIN -DSYSV
+else ifeq ($(uname_S),NetBSD)
+ DEFINES += -DPOSIX -DBSD=1
+else
+ $(error $(uname_S) needs configuration)
+endif
 
 BINDIR=/usr/bin
 LIBDIR=/usr/lib

buffer.c

@@ -1,9 +1,8 @@
 /* buffer.c -- implements buffer.h */
 #include "buffer.h"
 
-/* Buffer management.  Some of the functions are internal, and some are
+/*  Buffer management.  Some of the functions are internal, and some are actually attached to
-   actually attached to user keys.  Like everyone else, they set hints for
+    user keys.  Like everyone else, they set hints for the display system.
-   the display system.
 
     modified by Petri Kutvonen
  */
@@ -12,6 +11,7 @@
 #include <string.h>
 
 #include "defines.h"
+#include "estruct.h"
 #include "file.h"
 #include "input.h"
 #include "mlout.h"

defines.h

@@ -1,64 +1,17 @@
-/* defines.h -- customization based on gcc predefined macroes */
+/* defines.h -- */
 #ifndef __DEFINES_H__
 #define __DEFINES_H__
 
-#if __unix__
+/* Must define one of
-# define UNIX 1
+    USG | BSD
-# if __NetBSD__
+*/
-#  define BSD 1
-#  define POSIX 1
-# elsif __linux__
 #define USG 1
-#  define SVR4 1	/* locks */
+
-#  define POSIX 1
+#define PKCODE 1
-# else	/* __CYGWIN__ */
+#define SCROLLCODE 1   /* scrolling code P.K.                          */
-#  define USG 1
+#define ENVFUNC 1
-//#  define POSIX 1
-# endif
-#else
-# error Missing gcc predefined __unix__
-#endif
 
 #define NSTRING 128     /* # of bytes, string buffers   */
 
-#define TERMCAP 1		/* UNIX */
-#define XONXOFF 1		/* UNIX */
-
-#define VISMAC  0  		/* update display during keyboard macros        */
-
-#define MSDOS	0
-#define IBMPC	MSDOS
-#define COLOR	MSDOS
-#define MEMMAP	IBMPC
-
-
-#define FILOCK (SVR4 | BSD)
-#define ENVFUNC 1		/* only two types so far (USG | BSD) */
-
-#define PKCODE 1		/* include P.K. extensions, define always    */
-#define SCROLLCODE 1	/* scrolling code P.K. */
-
-/*  Dynamic RAM tracking and reporting redefinitions    */
-#define RAMSIZE 0		/* dynamic RAM memory usage tracking */
-#if RAMSIZE
-# define RAMSHOW 1      /* auto dynamic RAM reporting */
-# include <stdlib.h>
-  void *allocate( size_t size) ;
-  void release( void *ptr) ;
-  
-# define    malloc  allocate
-# define    free    release
 #endif
-
+/* end of defines.h */
-/* De-allocate memory always on exit (if the operating system or main
-   program can not
-*/
-#define CLEAN 0			/* de-alloc memory on exit */
-#if CLEAN
-# define exit(a) cexit(a)
-
-  void cexit( int status) ;
-#endif
-
-#endif
-/* end of predefs.h */

display.c

@@ -12,13 +12,12 @@
  */
 
 #include <errno.h>
-#include <locale.h>
 #include <stdarg.h>
 #include <string.h>
 #include <unistd.h>
 
 #include "buffer.h"
-#include "defines.h"
+#include "estruct.h"
 #include "input.h"
 #include "line.h"
 #include "termio.h"
@@ -51,16 +50,16 @@ static video_p *pscreen ;	/* Physical screen. */
 #endif
 
 static int displaying = TRUE ;
+#if UNIX
+# include <signal.h>
+#endif
 
 #ifdef SIGWINCH
 # include <sys/ioctl.h>
 /* for window size changes */
  int chg_width, chg_height ;
-
-  static void sizesignal( int signr) ;
 #endif
 
-
 static int currow ;		/* Cursor row                   */
 static int curcol ;		/* Cursor column                */
 static int vtrow = 0 ;	/* Row location of SW cursor */
@@ -106,11 +105,6 @@ static int newscreensize( int h, int w) ;
    completely redrawn on the first call to "update".
  */
 void vtinit( void) {
-#ifdef SIGWINCH
-	signal( SIGWINCH, sizesignal) ;
-#endif
-
-	setlocale( LC_CTYPE, "") ; /* expects $LANG like en_GB.UTF-8 */
 	TTopen() ;		/* open the screen */
 	TTkopen() ;		/* open the keyboard */
 	TTrev( FALSE) ;
@@ -1410,7 +1404,7 @@ void getscreensize( int *widthp, int *heightp) {
 }
 
 #ifdef SIGWINCH
-static void sizesignal( int signr) {
+void sizesignal( int signr) {
 	int w, h ;
 	int old_errno = errno ;
 

display.h

@@ -4,7 +4,7 @@
 
 #include <stdarg.h>
 
-#include "defines.h"		/* UNIX */
+#include "estruct.h"
 #include "names.h"          /* BINDABLE() */
 #include "utf8.h"           /* unicode_t */
 
@@ -40,6 +40,8 @@ void getscreensize( int *widthp, int *heightp) ;
 # include <signal.h>
 # ifdef SIGWINCH
    extern int chg_width, chg_height ;
+
+   void sizesignal( int signr) ;
 # endif
 #endif
 

estruct.h

@@ -0,0 +1,135 @@
+/* estruct.h -- */
+#ifndef _ESTRUCT_H_
+#define _ESTRUCT_H_
+
+/*  Structure and preprocessor defines
+ *
+ *  written by Dave G. Conroy
+ *  modified by Steve Wilhite, George Jones
+ *  substantially modified by Daniel Lawrence
+ *  modified by Petri Kutvonen
+ */
+
+#ifdef  MSDOS
+# undef MSDOS
+#endif
+
+/* Machine/OS definitions. */
+
+#if defined(AUTOCONF) || defined(BSD) || defined(SYSV)
+
+/* Make an intelligent guess about the target system. */
+
+# if defined(BSD) || defined(sun) || defined(ultrix) || defined(__osf__)
+#  ifndef BSD
+#   define BSD 1 /* Berkeley UNIX */
+#  endif
+# else
+#  define BSD 0
+# endif
+
+# if defined(SVR4) || defined(__linux__)    /* ex. SunOS 5.3 */
+#  define SVR4 1
+#  define SYSV 1
+#  undef BSD
+# endif
+
+# if defined(SYSV) || defined(u3b2) || defined(_AIX) || (defined(i386) && defined(unix)) || defined( __unix__)
+#  define   USG 1 /* System V UNIX */
+# else
+#  define   USG 0
+# endif
+
+#else
+# define BSD    0       /* UNIX BSD 4.2 and ULTRIX      */
+# define USG    1       /* UNIX system V                */
+#endif  /*autoconf || BSD || SYSV */
+
+#define MSDOS   0       /* MS-DOS                       */
+
+/*  Compiler definitions    */
+#ifndef AUTOCONF
+# define UNIX   1       /* a random UNIX compiler */
+#else
+# define UNIX   (BSD | USG)
+#endif  /*autoconf */
+
+/*  Debugging options   */
+
+#define RAMSIZE 0       /* dynamic RAM memory usage tracking */
+#if RAMSIZE
+# define    RAMSHOW 1       /* auto dynamic RAM reporting */
+#endif
+
+#ifndef AUTOCONF
+/*  Terminal Output definitions     */
+# define TERMCAP    0       /* Use TERMCAP                  */
+# define IBMPC      1       /* IBM-PC CGA/MONO/EGA driver   */
+#else
+# define TERMCAP    UNIX
+# define IBMPC      MSDOS
+#endif /* Autoconf. */
+
+/*  Configuration options   */
+
+#define VISMAC  0  /* update display during keyboard macros        */
+
+#ifndef AUTOCONF
+# define    COLOR   1  /* color commands and windows                   */
+# define    FILOCK  0  /* file locking under unix BSD 4.2              */
+#else
+# define    COLOR   MSDOS
+# ifdef  SVR4
+#  define FILOCK  1
+# else
+#  define   FILOCK  BSD
+# endif
+#endif /* Autoconf. */
+
+#define CLEAN   0  /* de-alloc memory on exit                      */
+
+#ifndef AUTOCONF
+# define XONXOFF    0  /* don't disable XON-XOFF flow control P.K.     */
+#else
+# define XONXOFF    UNIX
+#endif /* Autoconf. */
+
+#define PKCODE  1      /* include my extensions P.K., define always    */
+#define SCROLLCODE 1   /* scrolling code P.K.                          */
+
+/* Define some ability flags. */
+
+#if IBMPC
+# define    MEMMAP  1
+#else
+# define    MEMMAP  0
+#endif
+
+#if USG | BSD
+# define ENVFUNC    1
+#else
+# define ENVFUNC    0
+#endif
+
+/*  Dynamic RAM tracking and reporting redefinitions    */
+
+#if RAMSIZE
+# include <stdlib.h>
+  void *allocate( size_t size) ;
+  void release( void *ptr) ;
+# define    malloc  allocate
+# define    free    release
+#endif
+
+/*  De-allocate memory always on exit (if the operating system or
+    main program can not
+*/
+
+#if CLEAN
+# define    exit(a) cexit(a)
+
+  void cexit( int status) ;
+#endif
+
+#endif
+/* end of estruct.h */

eval.c

@@ -15,8 +15,8 @@
 #include "basic.h"
 #include "bind.h"
 #include "buffer.h"
-#include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "exec.h"
 #include "execute.h"
 #include "flook.h"

execute.c

@@ -7,12 +7,12 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-#include "defines.h"
+#include "estruct.h"
+#include "random.h"
 #include "display.h"
 #include "file.h"
 #include "input.h"
 #include "mlout.h"
-#include "random.h"
 #include "search.h"
 #include "terminal.h"
 #include "window.h"

file.c

@@ -17,6 +17,7 @@
 #include "buffer.h"
 #include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "execute.h"
 #include "fileio.h"
 #include "input.h"

input.c

@@ -13,8 +13,8 @@
 #include <unistd.h>
 
 #include "bind.h"
+#include "estruct.h"
 #include "bindable.h"
-#include "defines.h"
 #include "display.h"	/* rubout(), echos(), echoc(), update() */
 #include "exec.h"
 #include "isa.h"

isearch.c

@@ -27,8 +27,8 @@
 
 #include "basic.h"
 #include "buffer.h"
-#include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "exec.h"
 #include "input.h"
 #include "line.h"

line.c

@@ -20,7 +20,7 @@
 #include <string.h>
 
 #include "buffer.h"
-#include "defines.h"
+#include "estruct.h"
 #include "mlout.h"
 #include "utf8.h"
 #include "window.h"

lock.h

@@ -2,7 +2,7 @@
 #ifndef _LOCK_H_
 #define _LOCK_H_
 
-#include "defines.h"	/* BSD, SVR4 */
+#include "estruct.h"
 
 #if BSD | SVR4
 int lockchk( const char *fname) ;

main.c

@@ -62,11 +62,12 @@
  *
  */
 
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "defines.h"	/* OS specific customization */
+#include "estruct.h"	/* Global structures and defines. */
 #if UNIX
 #include <signal.h>
 #endif
@@ -90,7 +91,8 @@
 #include "window.h"
 
 #if UNIX
-static void emergencyexit( int signr) {
+static void emergencyexit(int signr)
+{
 	quickexit(FALSE, 0);
 	quit( TRUE, 0) ; /* If quickexit fails (to save changes), do a force quit */
 }
@@ -122,12 +124,13 @@ static void usage( void) {
 }
 
 
-int main( int argc, char *argv[]) {
+int main(int argc, char **argv)
-	buffer_p bp;	/* temp buffer pointer */
+{
+	struct buffer *bp;	/* temp buffer pointer */
 	int firstfile;	/* first file flag */
 	int carg;	/* current arg to scan */
 	int startflag;	/* startup executed flag */
-	buffer_p firstbp = NULL;	/* ptr to first buffer in cmd line */
+	struct buffer *firstbp = NULL;	/* ptr to first buffer in cmd line */
 	int viewflag;		/* are we starting in view mode? */
 	int gotoflag;		/* do we need to goto a line at start? */
 	int gline = 0;		/* if so, what line? */
@@ -135,10 +138,17 @@ int main( int argc, char *argv[]) {
 	int errflag;		/* C error processing? */
 	bname_t bname ;	/* buffer name of file to read */
 
+	setlocale( LC_CTYPE, "") ; /* expects $LANG like en_GB.UTF-8 */
+
 #if	PKCODE & BSD
 	sleep(1); /* Time for window manager. */
 #endif
 
+#if	UNIX
+#ifdef SIGWINCH
+	signal(SIGWINCH, sizesignal);
+#endif
+#endif
 	if( argc == 2) {
 		if( strcmp( argv[ 1], "--help") == 0) {
 			usage() ;
@@ -315,7 +325,7 @@ int main( int argc, char *argv[]) {
  */
 static void edinit( char *bname) {
 	buffer_p bp;
-	window_p wp;
+	struct window *wp;
 
 	if( !init_bindings()	/* initialize mapping of function to name and key */
 	||  NULL == (bp = bfind( bname, TRUE, 0))				/* First buffer */
@@ -432,27 +442,32 @@ static void dspram( void)
 
 #if	CLEAN
 
-/* cexit()
+/*
+ * cexit()
  *
  * int status;		return status of emacs
  */
 void cexit( int status) {
+	struct buffer *bp;	/* buffer list pointer */
+	struct window *wp;	/* window list pointer */
+	struct window *tp;	/* temporary window pointer */
+
 	/* first clean up the windows */
-	window_p wp = wheadp ;
+	wp = wheadp;
 	while (wp) {
-		window_p tp = wp->w_wndp ;
+		tp = wp->w_wndp;
 		free(wp);
 		wp = tp;
 	}
-	
 	wheadp = NULL;
 
 	/* then the buffers */
-	buffer_p bp ;
+	bp = bheadp;
-	while( (bp = bheadp) != NULL) {
+	while (bp) {
 		bp->b_nwnd = 0;
 		bp->b_flag = 0;	/* don't say anything about a changed buffer! */
 		zotbuf(bp);
+		bp = bheadp;
 	}
 
 	/* and the kill buffer */
@@ -461,7 +476,8 @@ void cexit( int status) {
 	/* and the video buffers */
 	vtfree();
 
-	(exit)( status) ;
+#undef	exit
+	exit(status);
 }
 #endif
 

pklock.h

@@ -2,7 +2,7 @@
 #ifndef _PKLOCK_H_
 #define _PKLOCK_H_
 
-#include "defines.h"	/* FILOCK, BSD, SVR4 */
+#include "estruct.h"
 
 #if (FILOCK && BSD) || SVR4
 char *dolock( const char *fname) ;

posix.c

@@ -1,17 +1,18 @@
 /* posix.c -- posix implementation of termio.h */
-#include "termio.h"
-
-#include "defines.h"	/* POSIX */
 #ifdef POSIX
 
-/* The functions in this file negotiate with the operating system for
+#include "termio.h"
-   characters, and write characters in a barely buffered fashion on the
-   display.  All operating systems.
 
-   modified by Petri Kutvonen
+/*	posix.c
- 
+ *
-   based on termio.c, with all the old cruft removed, and
+ *      The functions in this file negotiate with the operating system for
-   fixed for termios rather than the old termio.. Linus Torvalds
+ *      characters, and write characters in a barely buffered fashion on the
+ *      display. All operating systems.
+ *
+ *	modified by Petri Kutvonen
+ *
+ *	based on termio.c, with all the old cruft removed, and
+ *	fixed for termios rather than the old termio.. Linus Torvalds
  */
 
 #include <errno.h>
@@ -23,19 +24,21 @@
 #include <termios.h>
 #include <unistd.h>
 
+#include "estruct.h"
 #include "retcode.h"
 #include "utf8.h"
 
-int ttrow = -1 ;		/* Row location of HW cursor */
+int ttrow = HUGE ;		/* Row location of HW cursor */
-int ttcol = -1 ;		/* Column location of HW cursor */
+int ttcol = HUGE ;		/* Column location of HW cursor */
 
-/* Define missing macroes for BSD and CYGWIN environment */
+/* Since Mac OS X's termios.h doesn't have the following 2 macros, define them.
-#if BSD
+ */
+#if BSD || defined(SYSV) && (defined(_DARWIN_C_SOURCE) || defined(_FREEBSD_C_SOURCE))
 #define OLCUC 0000002
 #define XCASE 0000004
 #endif
 
-#ifdef __CYGWIN__			/* gcc predefined (see cpp -dM) */
+#ifdef CYGWIN
 #define XCASE 0
 #define ECHOPRT 0
 #define PENDIN 0
@@ -93,8 +96,10 @@ void ttopen(void)
 	kbdflgs = fcntl(0, F_GETFL, 0);
 	kbdpoll = FALSE;
 
-/* on all screens we are not sure of the initial position of the cursor */
+	/* on all screens we are not sure of the initial position
-	ttrow = ttcol = -1 ;
+	   of the cursor                                        */
+	ttrow = 999;
+	ttcol = 999;
 }
 
 /*
@@ -242,6 +247,8 @@ int typahead(void)
 	return x;
 }
 
-#endif
+#else
+typedef void _pedantic_empty_translation_unit ;
+#endif              /* not POSIX */
 
 /* end of posix.c */

random.c

@@ -14,8 +14,8 @@
 
 #include "basic.h"
 #include "buffer.h"
-#include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "execute.h"
 #include "input.h"
 #include "line.h"

region.c

@@ -12,7 +12,7 @@
 #include <stddef.h>
 
 #include "buffer.h"
-#include "defines.h"
+#include "estruct.h"
 #include "line.h"
 #include "mlout.h"
 #include "random.h"

search.c

@@ -65,8 +65,8 @@
 
 #include "basic.h"
 #include "buffer.h"
-#include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "input.h"
 #include "isa.h"
 #include "line.h"

spawn.c

@@ -12,9 +12,11 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "buffer.h"
 #include "defines.h"
+
+#include "buffer.h"
 #include "display.h"
+#include "estruct.h"
 #include "exec.h"
 #include "file.h"
 #include "flook.h"
@@ -25,6 +27,8 @@
 
 #if	USG | BSD
 #include        <signal.h>
+#ifdef SIGWINCH
+#endif
 #endif
 
 

tcap.c

@@ -20,8 +20,8 @@
 #include <curses.h>
 #include <term.h>
 
-#include "defines.h"
 #include "display.h"
+#include "estruct.h"
 #include "termio.h"
 
 #if TERMCAP
@@ -83,7 +83,7 @@ static char *_UP, _PC, *CM, *CE, *CL, *SO, *SE;
    static char *CS, *DL, *AL, *SF, *SR;
 # endif
 
-terminal_t term = {
+struct terminal term = {
 	480,	/* actual 479 on 2560x1440 landscape terminal window */
 	2550,	/* actual 2541 */
 	0,		/* These four values are set dynamically at open time. */
@@ -231,11 +231,13 @@ static void tcapclose(void)
 }
 # endif
 
-static void tcapkopen( void) {
+static void tcapkopen(void)
+{
 # if PKCODE
 	putpad(TI);
 	ttflush();
-	ttrow = ttcol = -1 ;
+	ttrow = 999;
+	ttcol = 999;
 	sgarbf = TRUE;
 # endif
 	strcpy(sres, "NORMAL");

terminal.h

@@ -6,15 +6,15 @@
 #include "retcode.h"
 #include "utf8.h"
 
-/* The editor communicates with the display using a high level interface.
+/* The editor communicates with the display using a high level interface. A
-   A "TERM" structure holds useful variables, and indirect pointers to
+ * "TERM" structure holds useful variables, and indirect pointers to routines
-   routines that do useful operations.  The low level get and put routines
+ * that do useful operations. The low level get and put routines are here too.
-   are here too.  This lets a terminal, in addition to having non standard
+ * This lets a terminal, in addition to having non standard commands, have
-   commands, have funny get and put character code too.  The calls might
+ * funny get and put character code too. The calls might get changed to
-   get changed to "termp->t_field" style in the future, to make it possible
+ * "termp->t_field" style in the future, to make it possible to run more than
-   to run more than one terminal type.
+ * one terminal type.
  */
-typedef struct {
+struct terminal {
     const short t_maxrow ;  /* max number of rows allowable         */
     const short t_maxcol ;  /* max number of columns allowable      */
     short t_mrow ;          /* max number of rows displayable       */
@@ -22,19 +22,19 @@ typedef struct {
     short t_mcol ;          /* max number of rows displayable       */
     short t_ncol ;          /* current number of columns displayed  */
     short t_margin;     /* min margin for extended lines */
-    short t_scrsiz ;                /* size of scroll region */
+    short t_scrsiz;     /* size of scroll region "      */
     int t_pause;        /* # times thru update to pause */
-    void (*t_open)( void) ;         /* Open terminal at the start */
+    void (*t_open)(void);   /* Open terminal at the start.  */
     void (*t_close)(void);  /* Close terminal at end.       */
     void (*t_kopen)(void);  /* Open keyboard                */
     void (*t_kclose)(void); /* close keyboard               */
-    int (*t_getchar)( void) ;       /* Get character from keyboard */
+    int (*t_getchar)(void); /* Get character from keyboard. */
-    int (*t_putchar)( unicode_t) ;  /* Put character to display */
+    int (*t_putchar)( unicode_t) ;  /* Put character to display.    */
-    void (*t_flush) (void) ;        /* Flush output buffers */
+    void (*t_flush) (void); /* Flush output buffers.        */
-    void (*t_move)( int, int) ;     /* Move the cursor, origin 0 */
+    void (*t_move)(int, int);/* Move the cursor, origin 0.   */
-    void (*t_eeol)( void) ;         /* Erase to end of line */
+    void (*t_eeol)(void);   /* Erase to end of line.        */
-    void (*t_eeop)( void) ;         /* Erase to end of page */
+    void (*t_eeop)(void);   /* Erase to end of page.        */
-    void (*t_beep)( void) ;         /* Beep */
+    void (*t_beep)(void);   /* Beep.                        */
     void (*t_rev)(int); /* set reverse video state      */
     int (*t_rez)(char *);   /* change screen resolution     */
 #if COLOR
@@ -44,7 +44,7 @@ typedef struct {
 #if     SCROLLCODE
     void (*t_scroll)(int, int,int); /* scroll a region of the screen */
 #endif
-} terminal_t ;
+};
 
 /* TEMPORARY macros for terminal I/O (to be placed in a machine dependant
    place later)
@@ -68,8 +68,11 @@ typedef struct {
 #define TTbacg      (*term.t_setback)
 #endif
 
-/* Terminal table defined only in tcap.c */
+/* Terminal table defined only in term.c */
-extern terminal_t term ;
+extern struct terminal term ;
+
+extern int ttrow ;          /* Row location of HW cursor */
+extern int ttcol ;          /* Column location of HW cursor */
 
 extern boolean eolexist ;   /* does clear to EOL exist?     */
 extern boolean revexist ;   /* does reverse video exist?    */

termio.c

@@ -1,19 +1,21 @@
 /* termio.c -- implements termio.h */
+#if !defined( POSIX)
+
 #include "termio.h"
 
-#include "defines.h"	/* POSIX */
+/*  TERMIO.C
-#ifndef POSIX
+ *
-
+ * The functions in this file negotiate with the operating system for
-/* The functions in this file negotiate with the operating system for
+ * characters, and write characters in a barely buffered fashion on the display.
-   characters, and write characters in a barely buffered fashion on the
+ * All operating systems.
-   display.  All operating systems.
+ *
-
+ *  modified by Petri Kutvonen
-   modified by Petri Kutvonen
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "estruct.h"
 #include "retcode.h"
 #include "utf8.h"
 
@@ -21,8 +23,8 @@
 #include <unistd.h>
 #include <sys/ioctl.h>
 
-int ttrow = -1 ;    /* Row location of HW cursor */
+int ttrow = HUGE ;      /* Row location of HW cursor */
-int ttcol = -1 ;	/* Column location of HW cursor */
+int ttcol = HUGE ;      /* Column location of HW cursor */
 
 
 #if USG         /* System V */
@@ -139,7 +141,8 @@ void ttopen(void)
 
     /* on all screens we are not sure of the initial position
        of the cursor                                        */
-    ttrow = ttcol = -1 ;
+    ttrow = 999;
+    ttcol = 999;
 }
 
 /*
@@ -261,6 +264,8 @@ int typahead( void)
 }
 #endif
 
+#else
+typedef void _pedantic_empty_translation_unit ;
 #endif              /* not POSIX */
 
 /* end of termio.c */

termio.h

@@ -6,6 +6,8 @@
 
 #define TYPEAH  1       /* type ahead causes update to be skipped */
 
+#define HUGE    1000    /* Huge number (for row/col)    */
+
 extern int ttrow ;      /* Row location of HW cursor    */
 extern int ttcol ;      /* Column location of HW cursor */
 

utf8.c

@@ -1,13 +1,16 @@
 /* utf8.c -- implements utf8.h, conversion between unicode and UTF-8 */
 #include "utf8.h"
 
+#define _XOPEN_SOURCE   /* wcwidth in wchar.h */
+
 #include <assert.h>
-#include <wchar.h>					/* either _XOPEN_SOURCE or _GNU_SOURCE */
+#include <wchar.h>
 
 
 /* Display width of UTF-8 character */
 int _utf8_width( unicode_t c) {
-#if __SIZEOF_WCHAR_T__ == 2		    /* wcwidth only supports UTF-16 */
+#if CYGWIN
+    assert( sizeof( wchar_t) == 2) ;    /* wcwidth only supports UTF-16 */
     return (c < 0x10000) ? wcwidth( (wchar_t) c) : -1 ;
 #else
     return wcwidth( (wchar_t) c) ;

window.c

@@ -9,8 +9,8 @@
 
 #include "basic.h"
 #include "buffer.h"
-#include "defines.h"
 #include "display.h"	/* upmode() */
+#include "estruct.h"
 #include "execute.h"
 #include "line.h"
 #include "mlout.h"

word.c

@@ -14,7 +14,7 @@
 
 #include "basic.h"
 #include "buffer.h"
-#include "defines.h"
+#include "estruct.h"
 #include "isa.h"
 #include "line.h"
 #include "mlout.h"