games/sail/main.c

   1 /*-
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
  30  * @(#)main.c   8.1 (Berkeley) 5/31/93
  31  * $FreeBSD: src/games/sail/main.c,v 1.5 1999/11/30 03:49:34 billf Exp $
  32  * $DragonFly: src/games/sail/main.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $
  33  */
  34
  35 #include "externs.h"
  36
  37 int
  38 main(int argc __unused, char **argv)
  39 {
  40         char *p;
  41         int i;
  42
  43         srandomdev();
  44         issetuid = getuid() != geteuid();
  45         if ((p = rindex(*argv, '/')))
  46                 p++;
  47         else
  48                 p = *argv;
  49         if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0)
  50                 mode = MODE_DRIVER;
  51         else if (strcmp(p, "sail.log") == 0)
  52                 mode = MODE_LOGGER;
  53         else
  54                 mode = MODE_PLAYER;
  55         while ((p = *++argv) && *p == '-')
  56                 switch (p[1]) {
  57                 case 'd':
  58                         mode = MODE_DRIVER;
  59                         break;
  60                 case 's':
  61                         mode = MODE_LOGGER;
  62                         break;
  63                 case 'D':
  64                         debug++;
  65                         break;
  66                 case 'x':
  67                         randomize++;
  68                         break;
  69                 case 'l':
  70                         longfmt++;
  71                         break;
  72                 case 'b':
  73                         nobells++;
  74                         break;
  75                 default:
  76                         fprintf(stderr, "SAIL: Unknown flag %s.\n", p);
  77                         exit(1);
  78                 }
  79         if (*argv)
  80                 game = atoi(*argv);
  81         else
  82                 game = -1;
  83
  84         if ((i = setjmp(restart)) != 0)
  85                 mode = i;
  86
  87         switch (mode) {
  88         case MODE_PLAYER:
  89                 return pl_main();
  90         case MODE_DRIVER:
  91                 return dr_main();
  92         case MODE_LOGGER:
  93                 return lo_main();
  94         default:
  95                 fprintf(stderr, "SAIL: Unknown mode %d.\n", mode);
  96                 abort();
  97         }
  98         /*NOTREACHED*/
  99 }