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setup.c revision 1.1 
      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 }
    126