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- /*
- * Copyright (c) 1983 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
- static char sccsid[] = "@(#)main.c 3.42 (Berkeley) 8/12/90";
- #endif /* not lint */
-
- #include "defs.h"
- #include <paths.h>
- #include <stdio.h>
- #include "string.h"
- #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;
-
- escapec = ESCAPEC;
- 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);
- 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();
- return 0;
- }
-
- usage()
- {
- (void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
- exit(1);
- return 0; /* for lint */
- }
-