xref: /netbsd-src/usr.bin/menuc/main.c (revision 4b896b232495b7a9b8b94a1cf1e21873296d53b8)
1 /*	$NetBSD: main.c,v 1.9 2003/07/17 08:33:43 lukem Exp $	*/
2 
3 /*
4  * Copyright 1997 Piermont Information Systems Inc.
5  * All rights reserved.
6  *
7  * Written by Philip A. Nelson for Piermont Information Systems Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software develooped for the NetBSD Project by
20  *      Piermont Information Systems Inc.
21  * 4. The name of Piermont Information Systems Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
26  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
29  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35  * THE POSSIBILITY OF SUCH DAMAGE.
36  *
37  */
38 
39 /* main.c - main program for menu compiler. */
40 
41 #include <sys/cdefs.h>
42 
43 #if defined(__RCSID) && !defined(lint)
44 __RCSID("$NetBSD: main.c,v 1.9 2003/07/17 08:33:43 lukem Exp $");
45 #endif
46 
47 
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <unistd.h>
51 
52 #define MAIN
53 #include "defs.h"
54 
55 /* Local prototypes */
56 void usage (char *);
57 
58 int
59 main (int argc, char **argv)
60 {
61 	int ch;
62 
63 	prog_name = argv[0];
64 
65 	/* Process the arguments. */
66 	while ( (ch = getopt (argc, argv, "o:")) != -1 ) {
67 		switch (ch) {
68 		case 'o': /* output file name */
69 			out_name = optarg;
70 			break;
71 		default:
72 			usage (prog_name);
73 		}
74 	}
75 
76 	if (optind != argc-1)
77 		usage (prog_name);
78 
79 	src_name = argv[optind];
80 
81 	yyin = fopen (src_name, "r");
82 	if (yyin == NULL) {
83 		(void) fprintf (stderr, "%s: could not open %s.\n",
84 				prog_name, src_name);
85 		exit (1);
86 	}
87 
88 	/* The default menu */
89 	default_menu.info = &default_info;
90 	default_info.title = "\"\"";
91 	default_info.helpstr = NULL;
92 	default_info.exitstr = NULL;
93 	default_info.mopt = 0;
94 	default_info.x = -1;
95 	default_info.y = 0;
96 	default_info.h = 0;
97 	default_info.w = 0;
98 	default_info.numopt = 0;
99 	default_info.optns = NULL;
100 	default_info.postact.code = NULL;
101 	default_info.postact.endwin = FALSE;
102 	default_info.exitact.code = NULL;
103 	default_info.exitact.endwin = FALSE;
104 
105 	/* Do the parse */
106 	(void) yyparse ();
107 
108 	if (had_errors)
109 		return 1;
110 
111 	return 0;
112 }
113 
114 
115 void
116 usage (char *prog)
117 {
118 	(void) fprintf (stderr, "%s [-o name] file\n", prog);
119 	exit (1);
120 }
121