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[bsdgames-darwin.git] / sail / main.c
1 /* $NetBSD: main.c,v 1.21 2003/08/07 09:37:43 agc Exp $ */
2
3 /*
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
35 The Regents of the University of California. All rights reserved.\n");
36 #endif /* not lint */
37
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/28/95";
41 #else
42 __RCSID("$NetBSD: main.c,v 1.21 2003/08/07 09:37:43 agc Exp $");
43 #endif
44 #endif /* not lint */
45
46 #include <fcntl.h>
47 #include <setjmp.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <time.h>
52 #include <unistd.h>
53 #include "extern.h"
54 #include "restart.h"
55
56 int
57 main(int argc, char **argv)
58 {
59 char *p;
60 int a,i;
61 int fd;
62
63 gid = getgid();
64 egid = getegid();
65 setegid(gid);
66
67 fd = open("/dev/null", O_RDONLY);
68 if (fd < 3)
69 exit(1);
70 close(fd);
71
72 srandom((u_long)time(NULL));
73
74 if ((p = strrchr(*argv, '/')) != NULL)
75 p++;
76 else
77 p = *argv;
78
79 if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0)
80 mode = MODE_DRIVER;
81 else if (strcmp(p, "sail.log") == 0)
82 mode = MODE_LOGGER;
83 else
84 mode = MODE_PLAYER;
85
86 while ((a = getopt(argc, argv, "dsxlb")) != -1)
87 switch (a) {
88 case 'd':
89 mode = MODE_DRIVER;
90 break;
91 case 's':
92 mode = MODE_LOGGER;
93 break;
94 case 'x':
95 randomize++;
96 break;
97 case 'l':
98 longfmt++;
99 break;
100 case 'b':
101 nobells++;
102 break;
103 default:
104 fprintf(stderr, "SAIL: Unknown flag %s.\n", p);
105 exit(1);
106 }
107
108 argc -= optind;
109 argv += optind;
110
111 if (*argv)
112 game = atoi(*argv);
113 else
114 game = -1;
115
116 if ((i = setjmp(restart)) != 0)
117 mode = i;
118
119 switch (mode) {
120 case MODE_PLAYER:
121 return pl_main();
122 case MODE_DRIVER:
123 return dr_main();
124 case MODE_LOGGER:
125 return lo_main();
126 default:
127 fprintf(stderr, "SAIL: Unknown mode %d.\n", mode);
128 abort();
129 }
130 /*NOTREACHED*/
131 }