1 /* $NetBSD: main.c,v 1.20 2001/08/29 18:23:44 jsm 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/28/95"; 45 #else 46 __RCSID("$NetBSD: main.c,v 1.20 2001/08/29 18:23:44 jsm Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <fcntl.h> 51 #include <setjmp.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <time.h> 56 #include <unistd.h> 57 #include "extern.h" 58 #include "restart.h" 59 60 int 61 main(int argc, char **argv) 62 { 63 char *p; 64 int a,i; 65 int fd; 66 67 gid = getgid(); 68 egid = getegid(); 69 setegid(gid); 70 71 fd = open("/dev/null", O_RDONLY); 72 if (fd < 3) 73 exit(1); 74 close(fd); 75 76 srandom((u_long)time(NULL)); 77 78 if ((p = strrchr(*argv, '/')) != NULL) 79 p++; 80 else 81 p = *argv; 82 83 if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0) 84 mode = MODE_DRIVER; 85 else if (strcmp(p, "sail.log") == 0) 86 mode = MODE_LOGGER; 87 else 88 mode = MODE_PLAYER; 89 90 while ((a = getopt(argc, argv, "dsxlb")) != -1) 91 switch (a) { 92 case 'd': 93 mode = MODE_DRIVER; 94 break; 95 case 's': 96 mode = MODE_LOGGER; 97 break; 98 case 'x': 99 randomize++; 100 break; 101 case 'l': 102 longfmt++; 103 break; 104 case 'b': 105 nobells++; 106 break; 107 default: 108 fprintf(stderr, "SAIL: Unknown flag %s.\n", p); 109 exit(1); 110 } 111 112 argc -= optind; 113 argv += optind; 114 115 if (*argv) 116 game = atoi(*argv); 117 else 118 game = -1; 119 120 if ((i = setjmp(restart)) != 0) 121 mode = i; 122 123 switch (mode) { 124 case MODE_PLAYER: 125 return pl_main(); 126 case MODE_DRIVER: 127 return dr_main(); 128 case MODE_LOGGER: 129 return lo_main(); 130 default: 131 fprintf(stderr, "SAIL: Unknown mode %d.\n", mode); 132 abort(); 133 } 134 /*NOTREACHED*/ 135 } 136