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setup.c revision 1.3 
      1 /*	$NetBSD: setup.c,v 1.3 1997/10/11 01:53:35 lukem 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[] =
     41 "@(#) 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 static char rcsid[] = "$NetBSD: setup.c,v 1.3 1997/10/11 01:53:35 lukem 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 "hdr.h"		/* SEED lives in there; keep them coordinated. */
     68 
     69 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n"
     70 
     71 #define YES 1
     72 #define NO  0
     73 
     74 void    fatal();
     75 
     76 #define LINE 10			/* How many values do we get on a line? */
     77 
     78 main(argc, argv)
     79 	int     argc;
     80 	char   *argv[];
     81 {
     82 	FILE   *infile;
     83 	int     c, count, linestart;
     84 
     85 	if (argc != 2)
     86 		fatal(USAGE);
     87 
     88 	if ((infile = fopen(argv[1], "r")) == NULL)
     89 		fatal("Can't read file %s.\n", argv[1]);
     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,", ('\t' ^ random()) & 0xFF);
    102 			while ((c = getc(infile)) == ' ' && c != EOF);
    103 			/* Drop the non-whitespace character through */
    104 			linestart = NO;
    105 		}
    106 		switch (c) {
    107 		case '\t':
    108 			linestart = NO;	/* Don't need to convert spaces */
    109 			break;
    110 		case '\n':
    111 			linestart = YES;	/* Ready to convert spaces
    112 						 * again */
    113 			break;
    114 		}
    115 		if (count++ % LINE == 0)	/* Finished a line? */
    116 			printf("\n\t");
    117 		printf("0x%02x,", (c ^ random()) & 0xFF);
    118 	}
    119 	puts("\n\t0\n};");
    120 	fclose(infile);
    121 	exit(0);
    122 }
    123 
    124 
    125 void
    126 fatal(format, arg)
    127 	char   *format;
    128 {
    129 	fprintf(stderr, format, arg);
    130 	exit(1);
    131 }
    132