sail/main.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 char copyright[] =
  36 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
  37  All rights reserved.\n";
  38 #endif /* not lint */
  39
  40 #ifndef lint
  41 /*static char sccsid[] = "from: @(#)main.c      5.5 (Berkeley) 6/1/90";*/
  42 static char rcsid[] = "$Id: main.c,v 1.2 1993/08/01 18:51:44 mycroft Exp $";
  43 #endif /* not lint */
  44
  45 #include "externs.h"
  46
  47 /*ARGSUSED*/
  48 main(argc, argv)
  49         int argc;
  50         register char **argv;
  51 {
  52         register char *p;
  53         int i;
  54
  55         (void) srand(getpid());
  56         issetuid = getuid() != geteuid();
  57         if (p = rindex(*argv, '/'))
  58                 p++;
  59         else
  60                 p = *argv;
  61         if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0)
  62                 mode = MODE_DRIVER;
  63         else if (strcmp(p, "sail.log") == 0)
  64                 mode = MODE_LOGGER;
  65         else
  66                 mode = MODE_PLAYER;
  67         while ((p = *++argv) && *p == '-')
  68                 switch (p[1]) {
  69                 case 'd':
  70                         mode = MODE_DRIVER;
  71                         break;
  72                 case 's':
  73                         mode = MODE_LOGGER;
  74                         break;
  75                 case 'D':
  76                         debug++;
  77                         break;
  78                 case 'x':
  79                         randomize;
  80                         break;
  81                 case 'l':
  82                         longfmt++;
  83                         break;
  84                 case 'b':
  85                         nobells++;
  86                         break;
  87                 default:
  88                         fprintf(stderr, "SAIL: Unknown flag %s.\n", p);
  89                         exit(1);
  90                 }
  91         if (*argv)
  92                 game = atoi(*argv);
  93         else
  94                 game = -1;
  95         if (i = setjmp(restart))
  96                 mode = i;
  97         switch (mode) {
  98         case MODE_PLAYER:
  99                 return pl_main();
 100         case MODE_DRIVER:
 101                 return dr_main();
 102         case MODE_LOGGER:
 103                 return lo_main();
 104         default:
 105                 fprintf(stderr, "SAIL: Unknown mode %d.\n", mode);
 106                 abort();
 107         }
 108         /*NOTREACHED*/
 109 }