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main.c revision 1.12 
      1 /*	$NetBSD: main.c,v 1.12 2000/11/30 22:06:04 jwise 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 1.12 2000/11/30 22:06:04 jwise Exp $");
     47 #endif
     48 #endif /* not lint */
     49 
     50 #include "extern.h"
     51 #include <fcntl.h>
     52 #include <unistd.h>
     53 #include <stdlib.h>
     54 #include <string.h>
     55 
     56 int main (int, char **);
     57 
     58 int
     59 main(int argc, char **argv)
     60 {
     61 	char *p;
     62 	int a,i;
     63 	int fd;
     64 
     65 	gid = getgid();
     66 	egid = getegid();
     67 	setegid(gid);
     68 
     69 	fd = open("/dev/null", O_RDONLY);
     70 	if (fd < 3)
     71 		exit(1);
     72 	close(fd);
     73 
     74 	srandom((u_long)time(NULL));
     75 
     76 	if ((p = strrchr(*argv, '/')) != NULL)
     77 		p++;
     78 	else
     79 		p = *argv;
     80 
     81 	if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0)
     82 		mode = MODE_DRIVER;
     83 	else if (strcmp(p, "sail.log") == 0)
     84 		mode = MODE_LOGGER;
     85 	else
     86 		mode = MODE_PLAYER;
     87 
     88 	while (a = getopt(argc, argv, "dsDxlb"))
     89 		switch (a) {
     90 		case 'd':
     91 			mode = MODE_DRIVER;
     92 			break;
     93 		case 's':
     94 			mode = MODE_LOGGER;
     95 			break;
     96 		case 'D':
     97 			debug++;
     98 			break;
     99 		case 'x':
    100 			randomize++;
    101 			break;
    102 		case 'l':
    103 			longfmt++;
    104 			break;
    105 		case 'b':
    106 			nobells++;
    107 			break;
    108 		default:
    109 			fprintf(stderr, "SAIL: Unknown flag %s.\n", p);
    110 			exit(1);
    111 		}
    112 
    113 	if (*argv)
    114 		game = atoi(*argv);
    115 	else
    116 		game = -1;
    117 
    118 	if ((i = setjmp(restart)) != 0)
    119 		mode = i;
    120 
    121 	switch (mode) {
    122 	case MODE_PLAYER:
    123 		return pl_main();
    124 	case MODE_DRIVER:
    125 		return dr_main();
    126 	case MODE_LOGGER:
    127 		return lo_main();
    128 	default:
    129 		fprintf(stderr, "SAIL: Unknown mode %d.\n", mode);
    130 		abort();
    131 	}
    132 	/*NOTREACHED*/
    133 }
    134