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1.1 deraadt 1: /* $NetBSD: main.c,v 1.4 1995/09/28 10:34:27 tls Exp $ */
2:
3: /*
4: * Copyright (c) 1983, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Edward Wang at The University of California, Berkeley.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #ifndef lint
40: char copyright[] =
41: "@(#) Copyright (c) 1983, 1993\n\
42: The Regents of the University of California. All rights reserved.\n";
43: #endif /* not lint */
44:
45: #ifndef lint
46: #if 0
47: static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/2/94";
48: #else
49: static char rcsid[] = "$NetBSD: main.c,v 1.4 1995/09/28 10:34:27 tls Exp $";
50: #endif
51: #endif /* not lint */
52:
53: #include "defs.h"
54: #include <paths.h>
55: #include <stdio.h>
56: #include "string.h"
57: #include "char.h"
58: #include "local.h"
59:
60: #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)(long)usage()))
61:
62: /*ARGSUSED*/
63: main(argc, argv)
64: char **argv;
65: {
66: register char *p;
67: char fflag = 0;
68: char dflag = 0;
69: char xflag = 0;
70: char *cmd = 0;
71: char tflag = 0;
72:
73: escapec = ESCAPEC;
74: if (p = rindex(*argv, '/'))
75: p++;
76: else
77: p = *argv;
78: debug = strcmp(p, "a.out") == 0;
79: while (*++argv) {
80: if (**argv == '-') {
81: switch (*++*argv) {
82: case 'f':
83: fflag++;
84: break;
85: case 'c':
86: if (cmd != 0) {
87: (void) fprintf(stderr,
88: "Only one -c allowed.\n");
89: (void) usage();
90: }
91: cmd = next(argv);
92: break;
93: case 'e':
94: setescape(next(argv));
95: break;
96: case 't':
97: tflag++;
98: break;
99: case 'd':
100: dflag++;
101: break;
102: case 'D':
103: debug = !debug;
104: break;
105: case 'x':
106: xflag++;
107: break;
108: default:
109: (void) usage();
110: }
111: } else
112: (void) usage();
113: }
114: if ((p = getenv("SHELL")) == 0)
115: p = _PATH_BSHELL;
116: if ((default_shellfile = str_cpy(p)) == 0) {
117: (void) fprintf(stderr, "Out of memory.\n");
118: exit(1);
119: }
120: if (p = rindex(default_shellfile, '/'))
121: p++;
122: else
123: p = default_shellfile;
124: default_shell[0] = p;
125: default_shell[1] = 0;
126: default_nline = NLINE;
127: default_smooth = 1;
128: (void) gettimeofday(&starttime, (struct timezone *)0);
129: if (wwinit() < 0) {
130: (void) fprintf(stderr, "%s.\n", wwerror());
131: exit(1);
132: }
133:
134: #ifdef OLD_TTY
135: if (debug)
136: wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
137: if (xflag) {
138: wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
139: wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
140: }
141: #else
142: if (debug) {
143: wwnewtty.ww_termios.c_cc[VQUIT] =
144: wwoldtty.ww_termios.c_cc[VQUIT];
145: wwnewtty.ww_termios.c_lflag |= ISIG;
146: }
147: if (xflag) {
148: wwnewtty.ww_termios.c_cc[VSTOP] =
149: wwoldtty.ww_termios.c_cc[VSTOP];
150: wwnewtty.ww_termios.c_cc[VSTART] =
151: wwoldtty.ww_termios.c_cc[VSTART];
152: wwnewtty.ww_termios.c_iflag |= IXON;
153: }
154: #endif
155: if (debug || xflag)
156: (void) wwsettty(0, &wwnewtty);
157:
158: if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
159: 0, 0, 0)) == 0) {
160: wwflush();
161: (void) fprintf(stderr, "%s.\r\n", wwerror());
162: goto bad;
163: }
164: cmdwin->ww_mapnl = 1;
165: cmdwin->ww_nointr = 1;
166: cmdwin->ww_noupdate = 1;
167: cmdwin->ww_unctrl = 1;
168: if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
169: == 0) {
170: wwflush();
171: (void) fprintf(stderr, "%s.\r\n", wwerror());
172: goto bad;
173: }
174: wwadd(framewin, &wwhead);
175: if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
176: wwflush();
177: (void) fprintf(stderr, "%s.\r\n", wwerror());
178: goto bad;
179: }
180: fgwin = framewin;
181:
182: wwupdate();
183: wwflush();
184: setvars();
185:
186: setterse(tflag);
187: setcmd(1);
188: if (cmd != 0)
189: (void) dolongcmd(cmd, (struct value *)0, 0);
190: if (!fflag)
191: if (dflag || doconfig() < 0)
192: dodefault();
193: if (selwin != 0)
194: setcmd(0);
195:
196: mloop();
197:
198: bad:
199: wwend(1);
200: return 0;
201: }
202:
203: usage()
204: {
205: (void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
206: exit(1);
207: return 0; /* for lint */
208: }