1 /* $OpenBSD: setup.c,v 1.13 2016/01/07 16:00:31 tb Exp $ */ 2 /* $NetBSD: setup.c,v 1.2 1995/03/21 12:05:10 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jim Gillogly at The Rand Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Setup: keep the structure of the original Adventure port, but use an 38 * internal copy of the data file, serving as a sort of virtual disk. It's 39 * lightly obfuscated to prevent casual snooping of the executable. 40 * 41 * Also do appropriate things to tabs so that bogus editors will do the right 42 * thing with the data file. 43 * 44 */ 45 46 #define SIG1 " * Jim Gillogly" 47 #define SIG2 " * Sterday, 6 Thrimidge S.R. 1993, 15:24" 48 49 #include <err.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <unistd.h> 53 54 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n" 55 56 #define YES 1 57 #define NO 0 58 59 #define LINE 10 /* How many values do we get on a line? */ 60 61 int 62 main(int argc, char *argv[]) 63 { 64 FILE *infile; 65 int c, count, linestart; 66 67 if (pledge("stdio rpath", NULL) == -1) 68 err(1, "pledge"); 69 70 if (argc != 2) { 71 fprintf(stderr, USAGE); 72 return 1; 73 } 74 75 if ((infile = fopen(argv[1], "r")) == NULL) 76 err(1, "Can't read file %s", argv[1]); 77 78 if (pledge("stdio", NULL) == -1) 79 err(1, "pledge"); 80 81 puts("/*\n * data.c: created by setup from the ascii data file."); 82 puts(SIG1); 83 puts(SIG2); 84 puts(" */"); 85 printf("\n\nchar data_file[] =\n{"); 86 count = 0; 87 linestart = YES; 88 89 srandom_deterministic(1); 90 91 while ((c = getc(infile)) != EOF) { 92 if (count++ % LINE == 0) 93 printf("\n\t"); 94 if (linestart && c == ' ') { /* Convert first spaces to tab */ 95 printf("0x%02x,", (unsigned int)('\t' ^ random()) & 0xFF); 96 while ((c = getc(infile)) == ' ' && c != EOF); 97 /* Drop the non-whitespace character through */ 98 linestart = NO; 99 } 100 switch (c) { 101 case '\t': 102 linestart = NO; /* Don't need to convert spaces */ 103 break; 104 case '\n': 105 linestart = YES; /* Ready to convert spaces again */ 106 break; 107 } 108 if (count++ % LINE == 0) 109 printf("\n\t"); 110 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF); 111 } 112 puts("\n\t0\n};"); 113 fclose(infile); 114 return 0; 115 } 116