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: }