1 /* $OpenBSD: main.c,v 1.5 2003/06/03 03:01:41 millert Exp $ */ 2 /* $NetBSD: main.c,v 1.3 1995/04/22 10:37:01 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 static char copyright[] = 35 "@(#) Copyright (c) 1983, 1993\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37 #endif /* not lint */ 38 39 #ifndef lint 40 #if 0 41 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/28/95"; 42 #else 43 static char rcsid[] = "$OpenBSD: main.c,v 1.5 2003/06/03 03:01:41 millert Exp $"; 44 #endif 45 #endif /* not lint */ 46 47 #include "extern.h" 48 #include <fcntl.h> 49 #include <unistd.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <err.h> 53 54 /*ARGSUSED*/ 55 int 56 main(argc, argv) 57 int argc; 58 char **argv; 59 { 60 char *p; 61 int i; 62 int fd; 63 64 gid = getgid(); 65 egid = getegid(); 66 setegid(gid); 67 68 fd = open("/dev/null", O_RDONLY); 69 if (fd < 3) 70 exit(1); 71 close(fd); 72 73 srandomdev(); 74 if ((p = strrchr(*argv, '/'))) 75 p++; 76 else 77 p = *argv; 78 if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0) 79 mode = MODE_DRIVER; 80 else if (strcmp(p, "sail.log") == 0) 81 mode = MODE_LOGGER; 82 else 83 mode = MODE_PLAYER; 84 while ((p = *++argv) && *p == '-') 85 switch (p[1]) { 86 case 'd': 87 mode = MODE_DRIVER; 88 break; 89 case 's': 90 mode = MODE_LOGGER; 91 break; 92 case 'D': 93 debug++; 94 break; 95 case 'x': 96 randomize++; 97 break; 98 case 'l': 99 longfmt++; 100 break; 101 case 'b': 102 nobells++; 103 break; 104 default: 105 errx(1, "unknown flag %s", p); 106 } 107 if (*argv) 108 game = atoi(*argv); 109 else 110 game = -1; 111 if ((i = setjmp(restart))) 112 mode = i; 113 switch (mode) { 114 case MODE_PLAYER: 115 return pl_main(); 116 case MODE_DRIVER: 117 return dr_main(); 118 case MODE_LOGGER: 119 return lo_main(); 120 default: 121 warnx("Unknown mode %d", mode); 122 abort(); 123 } 124 /*NOTREACHED*/ 125 } 126