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freebsd/usr.bin/window/main.c

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C
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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/2/94";
#endif /* not lint */
#include "defs.h"
#include <paths.h>
#include <locale.h>
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#include <stdio.h>
#include <string.h> /* System string definitions. */
#include "string.h" /* Local string definitions. */
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#include "char.h"
#include "local.h"
#define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage()))
/*ARGSUSED*/
main(argc, argv)
char **argv;
{
register char *p;
char fflag = 0;
char dflag = 0;
char xflag = 0;
char *cmd = 0;
char tflag = 0;
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escapec = ESCAPEC;
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if (p = rindex(*argv, '/'))
p++;
else
p = *argv;
debug = strcmp(p, "a.out") == 0;
while (*++argv) {
if (**argv == '-') {
switch (*++*argv) {
case 'f':
fflag++;
break;
case 'c':
if (cmd != 0) {
(void) fprintf(stderr,
"Only one -c allowed.\n");
(void) usage();
}
cmd = next(argv);
break;
case 'e':
setescape(next(argv));
break;
case 't':
tflag++;
break;
case 'd':
dflag++;
break;
case 'D':
debug = !debug;
break;
case 'x':
xflag++;
break;
default:
(void) usage();
}
} else
(void) usage();
}
if ((p = getenv("SHELL")) == 0)
p = _PATH_BSHELL;
if ((default_shellfile = str_cpy(p)) == 0) {
(void) fprintf(stderr, "Out of memory.\n");
exit(1);
}
if (p = rindex(default_shellfile, '/'))
p++;
else
p = default_shellfile;
default_shell[0] = p;
default_shell[1] = 0;
default_nline = NLINE;
default_smooth = 1;
(void) gettimeofday(&starttime, (struct timezone *)0);
(void) setlocale(LC_CTYPE, "");
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if (wwinit() < 0) {
(void) fprintf(stderr, "%s.\n", wwerror());
exit(1);
}
#ifdef OLD_TTY
if (debug)
wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
if (xflag) {
wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
}
#else
if (debug) {
wwnewtty.ww_termios.c_cc[VQUIT] =
wwoldtty.ww_termios.c_cc[VQUIT];
wwnewtty.ww_termios.c_lflag |= ISIG;
}
if (xflag) {
wwnewtty.ww_termios.c_cc[VSTOP] =
wwoldtty.ww_termios.c_cc[VSTOP];
wwnewtty.ww_termios.c_cc[VSTART] =
wwoldtty.ww_termios.c_cc[VSTART];
wwnewtty.ww_termios.c_iflag |= IXON;
}
#endif
if (debug || xflag)
(void) wwsettty(0, &wwnewtty);
if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
0, 0, 0)) == 0) {
wwflush();
(void) fprintf(stderr, "%s.\r\n", wwerror());
goto bad;
}
cmdwin->ww_mapnl = 1;
cmdwin->ww_nointr = 1;
cmdwin->ww_noupdate = 1;
cmdwin->ww_unctrl = 1;
if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
== 0) {
wwflush();
(void) fprintf(stderr, "%s.\r\n", wwerror());
goto bad;
}
wwadd(framewin, &wwhead);
if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
wwflush();
(void) fprintf(stderr, "%s.\r\n", wwerror());
goto bad;
}
fgwin = framewin;
wwupdate();
wwflush();
setvars();
setterse(tflag);
setcmd(1);
if (cmd != 0)
(void) dolongcmd(cmd, (struct value *)0, 0);
if (!fflag)
if (dflag || doconfig() < 0)
dodefault();
if (selwin != 0)
setcmd(0);
mloop();
bad:
wwend(1);
return 0;
}
usage()
{
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(void) fprintf(stderr, "usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
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exit(1);
return 0; /* for lint */
}