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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that the above copyright notice and this paragraph are
7: * duplicated in all such forms and that any documentation,
8: * advertising materials, and other materials related to such
9: * distribution and use acknowledge that the software was developed
10: * by the University of California, Berkeley. The name of the
11: * University may not be used to endorse or promote products derived
12: * from this software without specific prior written permission.
13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16: */
17:
18: #ifndef lint
19: static char sccsid[] = "@(#)main.c 3.33 (Berkeley) 6/29/88";
20: #endif /* not lint */
21:
22: #include "defs.h"
23: #include <sys/signal.h>
24: #include <stdio.h>
25: #include "string.h"
26: #include "char.h"
27: #include "local.h"
28:
29: #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage()))
30:
31: /*ARGSUSED*/
32: main(argc, argv)
33: char **argv;
34: {
35: register char *p;
36: char fflag = 0;
37: char dflag = 0;
38: char xflag = 0;
39: char *cmd = 0;
40: char tflag = 0;
41:
42: nbufline = NLINE;
43: escapec = ESCAPEC;
44: if (p = rindex(*argv, '/'))
45: p++;
46: else
47: p = *argv;
48: debug = strcmp(p, "a.out") == 0;
49: while (*++argv) {
50: if (**argv == '-') {
51: switch (*++*argv) {
52: case 'f':
53: fflag++;
54: break;
55: case 'c':
56: if (cmd != 0) {
57: (void) fprintf(stderr,
58: "Only one -c allowed.\n");
59: (void) usage();
60: }
61: cmd = next(argv);
62: break;
63: case 'e':
64: setescape(next(argv));
65: break;
66: case 't':
67: tflag++;
68: break;
69: case 'd':
70: dflag++;
71: break;
72: case 'D':
73: debug = !debug;
74: break;
75: case 'x':
76: xflag++;
77: break;
78: default:
79: (void) usage();
80: }
81: } else
82: (void) usage();
83: }
84: if ((p = getenv("SHELL")) == 0)
85: p = SHELL;
86: if ((shellfile = str_cpy(p)) == 0)
87: nomem();
88: if (p = rindex(shellfile, '/'))
89: p++;
90: else
91: p = shellfile;
92: shell[0] = p;
93: shell[1] = 0;
94: (void) gettimeofday(&starttime, (struct timezone *)0);
95: if (wwinit() < 0) {
96: (void) fprintf(stderr, "%s.\n", wwerror());
97: exit(1);
98: }
99: if (debug)
100: wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
101: if (xflag) {
102: wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
103: wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
104: }
105: if (debug || xflag)
106: (void) wwsettty(0, &wwnewtty, &wwoldtty);
107:
108: if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
109: 0, 0, 0)) == 0) {
110: (void) wwflush();
111: (void) fprintf(stderr, "%s.\r\n", wwerror());
112: goto bad;
113: }
114: cmdwin->ww_mapnl = 1;
115: cmdwin->ww_nointr = 1;
116: cmdwin->ww_noupdate = 1;
117: cmdwin->ww_unctrl = 1;
118: if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
119: == 0) {
120: (void) wwflush();
121: (void) fprintf(stderr, "%s.\r\n", wwerror());
122: goto bad;
123: }
124: wwadd(framewin, &wwhead);
125: if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
126: (void) wwflush();
127: (void) fprintf(stderr, "%s.\r\n", wwerror());
128: goto bad;
129: }
130: fgwin = framewin;
131:
132: wwupdate();
133: wwflush();
134: (void) signal(SIGCHLD, wwchild);
135: setvars();
136:
137: setterse(tflag);
138: setcmd(1);
139: if (cmd != 0)
140: (void) dolongcmd(cmd, (struct value *)0, 0);
141: if (!fflag) {
142: if (dflag || doconfig() < 0)
143: dodefault();
144: if (selwin != 0)
145: setcmd(0);
146: }
147:
148: mloop();
149:
150: bad:
151: wwend();
152: return 0;
153: }
154:
155: usage()
156: {
157: (void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
158: exit(1);
159: return 0; /* for lint */
160: }
161:
162: nomem()
163: {
164: (void) fprintf(stderr, "Out of memory.\n");
165: exit(1);
166: }
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