games/adventure/setup.c

   1 /* $NetBSD: setup.c,v 1.10 2003/08/07 09:36:51 agc Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Jim Gillogly at The Rand Corporation.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef lint
  36 static char copyright[] = "@(#) Copyright (c) 1991, 1993\n\
  37         The Regents of the University of California.  All rights reserved.\n";
  38
  39 #if 0
  40 static char sccsid[] = "@(#)setup.c     8.1 (Berkeley) 5/31/93";
  41 #else
  42 static char rcsid[] = "$NetBSD: setup.c,v 1.10 2003/08/07 09:36:51 agc Exp $";
  43 #endif
  44 #endif                          /* not lint */
  45
  46 /*
  47  * Setup: keep the structure of the original Adventure port, but use an
  48  * internal copy of the data file, serving as a sort of virtual disk.  It's
  49  * lightly encrypted to prevent casual snooping of the executable.
  50  *
  51  * Also do appropriate things to tabs so that bogus editors will do the right
  52  * thing with the data file.
  53  *
  54  */
  55
  56 #define SIG1 " *      Jim Gillogly"
  57 #define SIG2 " *      Sterday, 6 Thrimidge S.R. 1993, 15:24"
  58
  59 #include <stdio.h>
  60 #include <errno.h>
  61 #include <string.h>
  62 #include <stdlib.h>
  63 #include "hdr.h"        /* SEED lives in there; keep them coordinated. */
  64
  65 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n"
  66
  67 #define YES 1
  68 #define NO  0
  69
  70 #define LINE 10                 /* How many values do we get on a line? */
  71
  72 int main(int, char *[]);
  73
  74 int
  75 main(int argc, char *argv[])
  76 {
  77         FILE   *infile;
  78         int     c, count, linestart;
  79
  80         if (argc != 2) {
  81                 fprintf(stderr, USAGE);
  82                 exit(1);
  83         }
  84
  85         if ((infile = fopen(argv[1], "r")) == NULL) {
  86                 fprintf(stderr, "Can't read file %s: %s\n", argv[1],
  87                     strerror(errno));
  88                 exit(1);
  89         }
  90         puts("/*\n * data.c: created by setup from the ascii data file.");
  91         puts(SIG1);
  92         puts(SIG2);
  93         puts(" */");
  94         printf("\n\nchar data_file[] =\n{");
  95         srandom(SEED);
  96         count = 0;
  97         linestart = YES;
  98
  99         while ((c = getc(infile)) != EOF) {
 100                 if (linestart && c == ' ') { /* Convert first spaces to tab */
 101                         printf("0x%02x,",
 102                             (unsigned int)('\t' ^ random()) & 0xFF);
 103                         while ((c = getc(infile)) == ' ' && c != EOF);
 104                         /* Drop the non-whitespace character through */
 105                         linestart = NO;
 106                 }
 107                 switch (c) {
 108                 case '\t':
 109                         linestart = NO; /* Don't need to convert spaces */
 110                         break;
 111                 case '\n':
 112                         linestart = YES;        /* Ready to convert spaces
 113                                                  * again */
 114                         break;
 115                 }
 116                 if (count++ % LINE == 0)        /* Finished a line? */
 117                         printf("\n\t");
 118                 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF);
 119         }
 120         puts("\n\t0\n};");
 121         fclose(infile);
 122         fflush(stdout);
 123         if (ferror(stdout)) {
 124                 perror("error writing standard output");
 125                 exit(1);
 126         }
 127         exit(0);
 128 }