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 } 132