xref: /original-bsd/usr.bin/window/main.c (revision b485b642)
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	3.38 (Berkeley) 10/13/89";
20 #endif /* not lint */
21 
22 #include "defs.h"
23 #include <paths.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 	escapec = ESCAPEC;
43 	if (p = rindex(*argv, '/'))
44 		p++;
45 	else
46 		p = *argv;
47 	debug = strcmp(p, "a.out") == 0;
48 	while (*++argv) {
49 		if (**argv == '-') {
50 			switch (*++*argv) {
51 			case 'f':
52 				fflag++;
53 				break;
54 			case 'c':
55 				if (cmd != 0) {
56 					(void) fprintf(stderr,
57 						"Only one -c allowed.\n");
58 					(void) usage();
59 				}
60 				cmd = next(argv);
61 				break;
62 			case 'e':
63 				setescape(next(argv));
64 				break;
65 			case 't':
66 				tflag++;
67 				break;
68 			case 'd':
69 				dflag++;
70 				break;
71 			case 'D':
72 				debug = !debug;
73 				break;
74 			case 'x':
75 				xflag++;
76 				break;
77 			default:
78 				(void) usage();
79 			}
80 		} else
81 			(void) usage();
82 	}
83 	if ((p = getenv("SHELL")) == 0)
84 		p = _PATH_BSHELL;
85 	if ((default_shellfile = str_cpy(p)) == 0) {
86 		(void) fprintf(stderr, "Out of memory.\n");
87 		exit(1);
88 	}
89 	if (p = rindex(default_shellfile, '/'))
90 		p++;
91 	else
92 		p = default_shellfile;
93 	default_shell[0] = p;
94 	default_shell[1] = 0;
95 	default_nline = NLINE;
96 	default_smooth = 1;
97 	(void) gettimeofday(&starttime, (struct timezone *)0);
98 	if (wwinit() < 0) {
99 		(void) fprintf(stderr, "%s.\n", wwerror());
100 		exit(1);
101 	}
102 	if (debug)
103 		wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
104 	if (xflag) {
105 		wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
106 		wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
107 	}
108 	if (debug || xflag)
109 		(void) wwsettty(0, &wwnewtty, &wwoldtty);
110 
111 	if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
112 			     0, 0, 0)) == 0) {
113 		wwflush();
114 		(void) fprintf(stderr, "%s.\r\n", wwerror());
115 		goto bad;
116 	}
117 	cmdwin->ww_mapnl = 1;
118 	cmdwin->ww_nointr = 1;
119 	cmdwin->ww_noupdate = 1;
120 	cmdwin->ww_unctrl = 1;
121 	if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
122 	    == 0) {
123 		wwflush();
124 		(void) fprintf(stderr, "%s.\r\n", wwerror());
125 		goto bad;
126 	}
127 	wwadd(framewin, &wwhead);
128 	if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
129 		wwflush();
130 		(void) fprintf(stderr, "%s.\r\n", wwerror());
131 		goto bad;
132 	}
133 	fgwin = framewin;
134 
135 	wwupdate();
136 	wwflush();
137 	setvars();
138 
139 	setterse(tflag);
140 	setcmd(1);
141 	if (cmd != 0)
142 		(void) dolongcmd(cmd, (struct value *)0, 0);
143 	if (!fflag)
144 		if (dflag || doconfig() < 0)
145 			dodefault();
146 	if (selwin != 0)
147 		setcmd(0);
148 
149 	mloop();
150 
151 bad:
152 	wwend();
153 	return 0;
154 }
155 
156 usage()
157 {
158 	(void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
159 	exit(1);
160 	return 0;			/* for lint */
161 }
162