1 /* @(#)setup.c 8.1 (Berkeley) 5/31/93 */ 2 /* $NetBSD: setup.c,v 1.11 2005/07/01 00:03:36 jmc 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 encrypted 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 <stdio.h> 50 #include <errno.h> 51 #include <string.h> 52 #include <stdlib.h> 53 #include "hdr.h" /* SEED lives in there; keep them coordinated. */ 54 55 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n" 56 57 #define YES 1 58 #define NO 0 59 60 #define LINE 10 /* How many values do we get on a line? */ 61 62 int main(int, char *[]); 63 64 int 65 main(int argc, char *argv[]) 66 { 67 FILE *infile; 68 int c, count, linestart; 69 70 if (argc != 2) { 71 fprintf(stderr, USAGE); 72 exit(1); 73 } 74 75 if ((infile = fopen(argv[1], "r")) == NULL) { 76 fprintf(stderr, "Can't read file %s: %s\n", argv[1], 77 strerror(errno)); 78 exit(1); 79 } 80 puts("/*\n * data.c: created by setup from the ascii data file."); 81 puts(SIG1); 82 puts(SIG2); 83 puts(" */"); 84 printf("\n\nchar data_file[] =\n{"); 85 srandom(SEED); 86 count = 0; 87 linestart = YES; 88 89 while ((c = getc(infile)) != EOF) { 90 if (linestart && c == ' ') { /* Convert first spaces to tab */ 91 printf("0x%02x,", 92 (unsigned int)('\t' ^ random()) & 0xFF); 93 while ((c = getc(infile)) == ' ' && c != EOF); 94 /* Drop the non-whitespace character through */ 95 linestart = NO; 96 } 97 switch (c) { 98 case '\t': 99 linestart = NO; /* Don't need to convert spaces */ 100 break; 101 case '\n': 102 linestart = YES; /* Ready to convert spaces 103 * again */ 104 break; 105 } 106 if (count++ % LINE == 0) /* Finished a line? */ 107 printf("\n\t"); 108 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF); 109 } 110 puts("\n\t0\n};"); 111 fclose(infile); 112 fflush(stdout); 113 if (ferror(stdout)) { 114 perror("error writing standard output"); 115 exit(1); 116 } 117 exit(0); 118 } 119