adventure/setup.c

   1 /* $NetBSD: setup.c,v 1.8 2000/07/31 11:25:50 simonb 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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #ifndef lint
  40 static char copyright[] = "@(#) Copyright (c) 1991, 1993\n\
  41         The Regents of the University of California.  All rights reserved.\n";
  42
  43 #if 0
  44 static char sccsid[] = "@(#)setup.c     8.1 (Berkeley) 5/31/93";
  45 #else
  46 static char rcsid[] = "$NetBSD: setup.c,v 1.8 2000/07/31 11:25:50 simonb Exp $";
  47 #endif
  48 #endif                          /* not lint */
  49
  50 /*
  51  * Setup: keep the structure of the original Adventure port, but use an
  52  * internal copy of the data file, serving as a sort of virtual disk.  It's
  53  * lightly encrypted to prevent casual snooping of the executable.
  54  *
  55  * Also do appropriate things to tabs so that bogus editors will do the right
  56  * thing with the data file.
  57  *
  58  */
  59
  60 #define SIG1 " *      Jim Gillogly"
  61 #define SIG2 " *      Sterday, 6 Thrimidge S.R. 1993, 15:24"
  62
  63 #include <stdio.h>
  64 #include <errno.h>
  65 #include <string.h>
  66 #include <stdlib.h>
  67 #include "hdr.h"                /* SEED lives in there; keep them coordinated. */
  68
  69 #define USAGE "Usage: setup file > data.c (file is typically glorkz)"
  70
  71 #define YES 1
  72 #define NO  0
  73
  74 #define LINE 10                 /* How many values do we get on a line? */
  75
  76 int main(int, char *[]);
  77
  78 int
  79 main(argc, argv)
  80         int     argc;
  81         char   *argv[];
  82 {
  83         FILE   *infile;
  84         int     c, count, linestart;
  85
  86         if (argc != 2) {
  87                 fprintf(stderr, USAGE);
  88                 exit(1);
  89         }
  90
  91         if ((infile = fopen(argv[1], "r")) == NULL) {
  92                 fprintf(stderr, "Can't read file %s: %s\n", argv[1],
  93                     strerror(errno));
  94                 exit(1);
  95         }
  96         puts("/*\n * data.c: created by setup from the ascii data file.");
  97         puts(SIG1);
  98         puts(SIG2);
  99         puts(" */");
 100         printf("\n\nchar data_file[] =\n{");
 101         srandom(SEED);
 102         count = 0;
 103         linestart = YES;
 104
 105         while ((c = getc(infile)) != EOF) {
 106                 if (linestart && c == ' ') {    /* Convert first spaces to tab */
 107                         printf("0x%02x,", (unsigned int)('\t' ^ random()) & 0xFF);
 108                         while ((c = getc(infile)) == ' ' && c != EOF);
 109                         /* Drop the non-whitespace character through */
 110                         linestart = NO;
 111                 }
 112                 switch (c) {
 113                 case '\t':
 114                         linestart = NO; /* Don't need to convert spaces */
 115                         break;
 116                 case '\n':
 117                         linestart = YES;        /* Ready to convert spaces
 118                                                  * again */
 119                         break;
 120                 }
 121                 if (count++ % LINE == 0)        /* Finished a line? */
 122                         printf("\n\t");
 123                 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF);
 124         }
 125         puts("\n\t0\n};");
 126         fclose(infile);
 127         fflush(stdout);
 128         if (ferror(stdout)) {
 129                 perror("error writing standard output");
 130                 exit(1);
 131         }
 132         exit(0);
 133 }