adventure/setup.c

   1 /*      $NetBSD: setup.c,v 1.7 1999/07/14 17:21:03 hubertf 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 #include <sys/cdefs.h>
  40 #ifndef lint
  41 __COPYRIGHT("@(#) Copyright (c) 1991, 1993\n\
  42         The Regents of the University of California.  All rights reserved.\n");
  43 #endif                          /* not lint */
  44
  45 #ifndef lint
  46 #if 0
  47 static char sccsid[] = "@(#)setup.c     8.1 (Berkeley) 5/31/93";
  48 #else
  49 __RCSID("$NetBSD: setup.c,v 1.7 1999/07/14 17:21:03 hubertf Exp $");
  50 #endif
  51 #endif                          /* not lint */
  52
  53 /*
  54  * Setup: keep the structure of the original Adventure port, but use an
  55  * internal copy of the data file, serving as a sort of virtual disk.  It's
  56  * lightly encrypted to prevent casual snooping of the executable.
  57  *
  58  * Also do appropriate things to tabs so that bogus editors will do the right
  59  * thing with the data file.
  60  *
  61  */
  62
  63 #define SIG1 " *      Jim Gillogly"
  64 #define SIG2 " *      Sterday, 6 Thrimidge S.R. 1993, 15:24"
  65
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <err.h>
  69 #include "hdr.h"                /* SEED lives in there; keep them coordinated. */
  70
  71 #define USAGE "Usage: setup file > data.c (file is typically glorkz)"
  72
  73 #define YES 1
  74 #define NO  0
  75
  76 #define LINE 10                 /* How many values do we get on a line? */
  77
  78 int main __P((int, char *[]));
  79
  80 int
  81 main(argc, argv)
  82         int     argc;
  83         char   *argv[];
  84 {
  85         FILE   *infile;
  86         int     c, count, linestart;
  87
  88         if (argc != 2)
  89                 errx(1, USAGE);
  90
  91         if ((infile = fopen(argv[1], "r")) == NULL)
  92                 err(1, "Can't read file %s", argv[1]);
  93         puts("/*\n * data.c: created by setup from the ascii data file.");
  94         puts(SIG1);
  95         puts(SIG2);
  96         puts(" */");
  97         printf("\n\nchar data_file[] =\n{");
  98         srandom(SEED);
  99         count = 0;
 100         linestart = YES;
 101
 102         while ((c = getc(infile)) != EOF) {
 103                 if (linestart && c == ' ') {    /* Convert first spaces to tab */
 104                         printf("0x%02x,", (unsigned int)('\t' ^ random()) & 0xFF);
 105                         while ((c = getc(infile)) == ' ' && c != EOF);
 106                         /* Drop the non-whitespace character through */
 107                         linestart = NO;
 108                 }
 109                 switch (c) {
 110                 case '\t':
 111                         linestart = NO; /* Don't need to convert spaces */
 112                         break;
 113                 case '\n':
 114                         linestart = YES;        /* Ready to convert spaces
 115                                                  * again */
 116                         break;
 117                 }
 118                 if (count++ % LINE == 0)        /* Finished a line? */
 119                         printf("\n\t");
 120                 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF);
 121         }
 122         puts("\n\t0\n};");
 123         fclose(infile);
 124         fflush(stdout);
 125         if (ferror(stdout))
 126                 err(1, "writing standard output");
 127         exit(0);
 128 }