adventure/setup.c

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Jim Gillogly at The Rand Corporation.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 #ifndef lint
  38 static char copyright[] =
  39 "@(#) Copyright (c) 1991, 1993\n\
  40         The Regents of the University of California.  All rights reserved.\n";
  41 #endif /* not lint */
  42
  43 #ifndef lint
  44 static char sccsid[] = "@(#)setup.c     8.1 (Berkeley) 5/31/93";
  45 #endif /* not lint */
  46
  47 /*
  48  * Setup: keep the structure of the original Adventure port, but use an
  49  * internal copy of the data file, serving as a sort of virtual disk.  It's
  50  * lightly encrypted to prevent casual snooping of the executable.
  51  *
  52  * Also do appropriate things to tabs so that bogus editors will do the right
  53  * thing with the data file.
  54  *
  55  */
  56
  57 #define SIG1 " *      Jim Gillogly"
  58 #define SIG2 " *      Sterday, 6 Thrimidge S.R. 1993, 15:24"
  59
  60 #include <stdio.h>
  61 #include "hdr.h"        /* SEED lives in there; keep them coordinated. */
  62
  63 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n"
  64
  65 #define YES 1
  66 #define NO  0
  67
  68 void fatal();
  69
  70 #define LINE 10         /* How many values do we get on a line? */
  71
  72 main(argc, argv)
  73 int argc;
  74 char *argv[];
  75 {
  76         FILE *infile;
  77         int c, count, linestart;
  78
  79         if (argc != 2) fatal(USAGE);
  80
  81         if ((infile = fopen(argv[1], "r")) == NULL)
  82                 fatal("Can't read file %s.\n", argv[1]);
  83         puts("/*\n * data.c: created by setup from the ascii data file.");
  84         puts(SIG1);
  85         puts(SIG2);
  86         puts(" */");
  87         printf("\n\nchar data_file[] =\n{");
  88         srandom(SEED);
  89         count = 0;
  90         linestart = YES;
  91
  92         while ((c = getc(infile)) != EOF)
  93         {
  94                 if (linestart && c == ' ') /* Convert first spaces to tab */
  95                 {
  96                         printf("0x%02x,", ('\t' ^ random()) & 0xFF);
  97                         while ((c = getc(infile)) == ' ' && c != EOF);
  98                         /* Drop the non-whitespace character through */
  99                         linestart = NO;
 100                 }
 101                 switch(c)
 102                 {
 103                     case '\t':
 104                         linestart = NO; /* Don't need to convert spaces */
 105                         break;
 106                     case '\n':
 107                         linestart = YES; /* Ready to convert spaces again */
 108                         break;
 109                 }
 110                 if (count++ % LINE == 0)   /* Finished a line? */
 111                         printf("\n\t");
 112                 printf("0x%02x,", (c ^ random()) & 0xFF);
 113         }
 114         puts("\n\t0\n};");
 115         fclose(infile);
 116         exit(0);
 117 }
 118
 119
 120 void fatal(format, arg)
 121 char *format;
 122 {
 123         fprintf(stderr, format, arg);
 124         exit(1);
 125 }