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. 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  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
  34  * @(#)main.c   8.1 (Berkeley) 5/31/93
  35  * $FreeBSD: src/games/sail/main.c,v 1.5 1999/11/30 03:49:34 billf Exp $
  36  * $DragonFly: src/games/sail/main.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $
  37  */
  38
  39 #include "externs.h"
  40
  41 /*ARGSUSED*/
  42 int
  43 main(__unused int argc, char **argv)
  44 {
  45         char *p;
  46         int i;
  47
  48         srandomdev();
  49         issetuid = getuid() != geteuid();
  50         if ((p = rindex(*argv, '/')))
  51                 p++;
  52         else
  53                 p = *argv;
  54         if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0)
  55                 mode = MODE_DRIVER;
  56         else if (strcmp(p, "sail.log") == 0)
  57                 mode = MODE_LOGGER;
  58         else
  59                 mode = MODE_PLAYER;
  60         while ((p = *++argv) && *p == '-')
  61                 switch (p[1]) {
  62                 case 'd':
  63                         mode = MODE_DRIVER;
  64                         break;
  65                 case 's':
  66                         mode = MODE_LOGGER;
  67                         break;
  68                 case 'D':
  69                         debug++;
  70                         break;
  71                 case 'x':
  72                         randomize++;
  73                         break;
  74                 case 'l':
  75                         longfmt++;
  76                         break;
  77                 case 'b':
  78                         nobells++;
  79                         break;
  80                 default:
  81                         fprintf(stderr, "SAIL: Unknown flag %s.\n", p);
  82                         exit(1);
  83                 }
  84         if (*argv)
  85                 game = atoi(*argv);
  86         else
  87                 game = -1;
  88         if ((i = setjmp(restart)))
  89                 mode = i;
  90         switch (mode) {
  91         case MODE_PLAYER:
  92                 return pl_main();
  93         case MODE_DRIVER:
  94                 return dr_main();
  95         case MODE_LOGGER:
  96                 return lo_main();
  97         default:
  98                 fprintf(stderr, "SAIL: Unknown mode %d.\n", mode);
  99                 abort();
 100         }
 101         /*NOTREACHED*/
 102 }