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-rw-r--r--hack/hack.termcap.c236
1 files changed, 138 insertions, 98 deletions
diff --git a/hack/hack.termcap.c b/hack/hack.termcap.c
index f1314a0e..79de41b2 100644
--- a/hack/hack.termcap.c
+++ b/hack/hack.termcap.c
@@ -1,50 +1,50 @@
+/* $NetBSD: hack.termcap.c,v 1.7 1997/10/19 16:59:06 christos Exp $ */
+
/*
* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
*/
+#include <sys/cdefs.h>
#ifndef lint
-static char rcsid[] = "$NetBSD: hack.termcap.c,v 1.6 1995/04/29 01:20:00 mycroft Exp $";
-#endif /* not lint */
+__RCSID("$NetBSD: hack.termcap.c,v 1.7 1997/10/19 16:59:06 christos Exp $");
+#endif /* not lint */
-#include <stdio.h>
#include <string.h>
#include <termios.h>
-#include "config.h" /* for ROWNO and COLNO */
-#include "def.flag.h" /* for flags.nonull */
-extern char *tgetstr(), *tgoto(), *getenv();
-extern long *alloc();
+#include <termcap.h>
+#include <stdlib.h>
+#include "hack.h"
+#include "extern.h"
+#include "def.flag.h" /* for flags.nonull */
-#ifndef lint
-extern /* it is defined in libtermlib (libtermcap) */
-#endif lint
- speed_t ospeed; /* terminal baudrate; used by tputs */
-static char tbuf[512];
-static char *HO, *CL, *CE, *UP, *CM, *ND, *XD, *BC, *SO, *SE, *TI, *TE;
-static char *VS, *VE;
-static int SG;
-static char PC = '\0';
-char *CD; /* tested in pri.c: docorner() */
-int CO, LI; /* used in pri.c and whatis.c */
+static char tbuf[512];
+static char *HO, *CL, *CE, *UP, *CM, *ND, *XD, *BC, *SO, *SE, *TI, *TE;
+static char *VS, *VE;
+static int SG;
+static char PC = '\0';
+char *CD; /* tested in pri.c: docorner() */
+int CO, LI; /* used in pri.c and whatis.c */
+void
startup()
{
- register char *term;
- register char *tptr;
- char *tbufptr, *pc;
+ char *term;
+ char *tptr;
+ char *tbufptr, *pc;
tptr = (char *) alloc(1024);
tbufptr = tbuf;
- if(!(term = getenv("TERM")))
+ if (!(term = getenv("TERM")))
error("Can't get TERM.");
- if(!strncmp(term, "5620", 4))
+ if (!strncmp(term, "5620", 4))
flags.nonull = 1; /* this should be a termcap flag */
- if(tgetent(tptr, term) < 1)
+ if (tgetent(tptr, term) < 1)
error("Unknown terminal type: %s.", term);
- if(pc = tgetstr("pc", &tbufptr))
+ if ((pc = tgetstr("pc", &tbufptr)) != NULL)
PC = *pc;
- if(!(BC = tgetstr("bc", &tbufptr))) {
- if(!tgetflag("bs"))
+ if (!(BC = tgetstr("bc", &tbufptr))) {
+ if (!tgetflag("bs"))
error("Terminal must backspace.");
BC = tbufptr;
tbufptr += 2;
@@ -53,23 +53,25 @@ startup()
HO = tgetstr("ho", &tbufptr);
CO = tgetnum("co");
LI = tgetnum("li");
- if(CO < COLNO || LI < ROWNO+2)
+ if (CO < COLNO || LI < ROWNO + 2)
setclipped();
- if(!(CL = tgetstr("cl", &tbufptr)))
+ if (!(CL = tgetstr("cl", &tbufptr)))
error("Hack needs CL.");
ND = tgetstr("nd", &tbufptr);
- if(tgetflag("os"))
+ if (tgetflag("os"))
error("Hack can't have OS.");
CE = tgetstr("ce", &tbufptr);
UP = tgetstr("up", &tbufptr);
- /* It seems that xd is no longer supported, and we should use
- a linefeed instead; unfortunately this requires resetting
- CRMOD, and many output routines will have to be modified
- slightly. Let's leave that till the next release. */
+ /*
+ * It seems that xd is no longer supported, and we should use a
+ * linefeed instead; unfortunately this requires resetting CRMOD, and
+ * many output routines will have to be modified slightly. Let's
+ * leave that till the next release.
+ */
XD = tgetstr("xd", &tbufptr);
-/* not: XD = tgetstr("do", &tbufptr); */
- if(!(CM = tgetstr("cm", &tbufptr))) {
- if(!UP && !HO)
+ /* not: XD = tgetstr("do", &tbufptr); */
+ if (!(CM = tgetstr("cm", &tbufptr))) {
+ if (!UP && !HO)
error("Hack needs CM or UP or HO.");
printf("Playing hack on terminals without cm is suspect...\n");
getret();
@@ -77,19 +79,23 @@ startup()
SO = tgetstr("so", &tbufptr);
SE = tgetstr("se", &tbufptr);
SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */
- if(!SO || !SE || (SG > 0)) SO = SE = 0;
+ if (!SO || !SE || (SG > 0))
+ SO = SE = 0;
CD = tgetstr("cd", &tbufptr);
- set_whole_screen(); /* uses LI and CD */
- if(tbufptr-tbuf > sizeof(tbuf)) error("TERMCAP entry too big...\n");
+ set_whole_screen(); /* uses LI and CD */
+ if (tbufptr - tbuf > sizeof(tbuf))
+ error("TERMCAP entry too big...\n");
free(tptr);
}
+void
start_screen()
{
xputs(TI);
xputs(VS);
}
+void
end_screen()
{
xputs(VE);
@@ -97,55 +103,56 @@ end_screen()
}
/* Cursor movements */
-extern xchar curx, cury;
-
+void
curs(x, y)
-register int x, y; /* not xchar: perhaps xchar is unsigned and
- curx-x would be unsigned as well */
+ int x, y; /* not xchar: perhaps xchar is unsigned and
+ * curx-x would be unsigned as well */
{
if (y == cury && x == curx)
return;
- if(!ND && (curx != x || x <= 3)) { /* Extremely primitive */
- cmov(x, y); /* bunker!wtm */
+ if (!ND && (curx != x || x <= 3)) { /* Extremely primitive */
+ cmov(x, y); /* bunker!wtm */
return;
}
- if(abs(cury-y) <= 3 && abs(curx-x) <= 3)
+ if (abs(cury - y) <= 3 && abs(curx - x) <= 3)
nocmov(x, y);
- else if((x <= 3 && abs(cury-y)<= 3) || (!CM && x<abs(curx-x))) {
+ else if ((x <= 3 && abs(cury - y) <= 3) || (!CM && x < abs(curx - x))) {
(void) putchar('\r');
curx = 1;
nocmov(x, y);
- } else if(!CM) {
+ } else if (!CM) {
nocmov(x, y);
} else
cmov(x, y);
}
+void
nocmov(x, y)
+ int x, y;
{
if (cury > y) {
- if(UP) {
+ if (UP) {
while (cury > y) { /* Go up. */
xputs(UP);
cury--;
}
- } else if(CM) {
+ } else if (CM) {
cmov(x, y);
- } else if(HO) {
+ } else if (HO) {
home();
curs(x, y);
- } /* else impossible("..."); */
+ } /* else impossible("..."); */
} else if (cury < y) {
- if(XD) {
- while(cury < y) {
+ if (XD) {
+ while (cury < y) {
xputs(XD);
cury++;
}
- } else if(CM) {
+ } else if (CM) {
cmov(x, y);
} else {
- while(cury < y) {
+ while (cury < y) {
xputc('\n');
curx = 1;
cury++;
@@ -153,12 +160,14 @@ nocmov(x, y)
}
}
if (curx < x) { /* Go to the right. */
- if(!ND) cmov(x, y); else /* bah */
+ if (!ND)
+ cmov(x, y);
+ else /* bah */
/* should instead print what is there already */
- while (curx < x) {
- xputs(ND);
- curx++;
- }
+ while (curx < x) {
+ xputs(ND);
+ curx++;
+ }
} else if (curx > x) {
while (curx > x) { /* Go to the left. */
xputs(BC);
@@ -167,31 +176,42 @@ nocmov(x, y)
}
}
+void
cmov(x, y)
-register x, y;
+ int x, y;
{
- xputs(tgoto(CM, x-1, y-1));
+ xputs(tgoto(CM, x - 1, y - 1));
cury = y;
curx = x;
}
-xputc(c) char c; {
+void
+xputc(c)
+ char c;
+{
(void) fputc(c, stdout);
}
-xputs(s) char *s; {
+void
+xputs(s)
+ char *s;
+{
tputs(s, 1, xputc);
}
-cl_end() {
- if(CE)
+void
+cl_end()
+{
+ if (CE)
xputs(CE);
- else { /* no-CE fix - free after Harold Rynes */
- /* this looks terrible, especially on a slow terminal
- but is better than nothing */
- register cx = curx, cy = cury;
+ else { /* no-CE fix - free after Harold Rynes */
+ /*
+ * this looks terrible, especially on a slow terminal but is
+ * better than nothing
+ */
+ int cx = curx, cy = cury;
- while(curx < COLNO) {
+ while (curx < COLNO) {
xputc(' ');
curx++;
}
@@ -199,74 +219,94 @@ cl_end() {
}
}
-clear_screen() {
+void
+clear_screen()
+{
xputs(CL);
curx = cury = 1;
}
+void
home()
{
- if(HO)
+ if (HO)
xputs(HO);
- else if(CM)
+ else if (CM)
xputs(tgoto(CM, 0, 0));
else
curs(1, 1); /* using UP ... */
curx = cury = 1;
}
+void
standoutbeg()
{
- if(SO) xputs(SO);
+ if (SO)
+ xputs(SO);
}
+void
standoutend()
{
- if(SE) xputs(SE);
+ if (SE)
+ xputs(SE);
}
+void
backsp()
{
xputs(BC);
curx--;
}
+void
bell()
{
- (void) putchar('\007'); /* curx does not change */
+ (void) putchar('\007'); /* curx does not change */
(void) fflush(stdout);
}
-delay_output() {
+void
+delay_output()
+{
+ extern speed_t ospeed;
/* delay 50 ms - could also use a 'nap'-system call */
- /* BUG: if the padding character is visible, as it is on the 5620
- then this looks terrible. */
- if(!flags.nonull)
+ /*
+ * BUG: if the padding character is visible, as it is on the 5620
+ * then this looks terrible.
+ */
+ if (!flags.nonull)
tputs("50", 1, xputc);
- /* cbosgd!cbcephus!pds for SYS V R2 */
- /* is this terminfo, or what? */
- /* tputs("$<50>", 1, xputc); */
+ /* cbosgd!cbcephus!pds for SYS V R2 */
+ /* is this terminfo, or what? */
+ /* tputs("$<50>", 1, xputc); */
- else if(ospeed > 0) if(CM) {
- /* delay by sending cm(here) an appropriate number of times */
- register int cmlen = strlen(tgoto(CM, curx-1, cury-1));
- register int i = (ospeed + (100 * cmlen)) / (200 * cmlen);
+ else if (ospeed > 0)
+ if (CM) {
+ /*
+ * delay by sending cm(here) an appropriate number of
+ * times
+ */
+ int cmlen = strlen(tgoto(CM, curx - 1, cury - 1));
+ int i = (ospeed + (100 * cmlen)) / (200 * cmlen);
- while(i > 0) {
- cmov(curx, cury);
+ while (i > 0) {
+ cmov(curx, cury);
+ }
}
- }
}
-cl_eos() /* free after Robert Viduya */
-{ /* must only be called with curx = 1 */
+void
+cl_eos()
+{ /* free after Robert Viduya *//* must only be
+ * called with curx = 1 */
- if(CD)
+ if (CD)
xputs(CD);
else {
- register int cx = curx, cy = cury;
- while(cury <= LI-2) {
+ int cx = curx, cy = cury;
+ while (cury <= LI - 2) {
cl_end();
xputc('\n');
curx = 1;
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