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setup.c revision 1.8 
      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 }
    134