1 /* $NetBSD: setup.c,v 1.11 2005/07/01 00:03:36 jmc 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static char copyright[] = "@(#) Copyright (c) 1991, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 39 #if 0 40 static char sccsid[] = "@(#)setup.c 8.1 (Berkeley) 5/31/93"; 41 #else 42 static char rcsid[] = "$NetBSD: setup.c,v 1.11 2005/07/01 00:03:36 jmc Exp $"; 43 #endif 44 #endif /* not lint */ 45 46 /* 47 * Setup: keep the structure of the original Adventure port, but use an 48 * internal copy of the data file, serving as a sort of virtual disk. It's 49 * lightly encrypted to prevent casual snooping of the executable. 50 * 51 * Also do appropriate things to tabs so that bogus editors will do the right 52 * thing with the data file. 53 * 54 */ 55 56 #define SIG1 " * Jim Gillogly" 57 #define SIG2 " * Sterday, 6 Thrimidge S.R. 1993, 15:24" 58 59 #include <stdio.h> 60 #include <errno.h> 61 #include <string.h> 62 #include <stdlib.h> 63 #include "hdr.h" /* SEED lives in there; keep them coordinated. */ 64 65 #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n" 66 67 #define YES 1 68 #define NO 0 69 70 #define LINE 10 /* How many values do we get on a line? */ 71 72 int main(int, char *[]); 73 74 int 75 main(int argc, char *argv[]) 76 { 77 FILE *infile; 78 int c, count, linestart; 79 80 if (argc != 2) { 81 fprintf(stderr, USAGE); 82 exit(1); 83 } 84 85 if ((infile = fopen(argv[1], "r")) == NULL) { 86 fprintf(stderr, "Can't read file %s: %s\n", argv[1], 87 strerror(errno)); 88 exit(1); 89 } 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,", 102 (unsigned int)('\t' ^ random()) & 0xFF); 103 while ((c = getc(infile)) == ' ' && c != EOF); 104 /* Drop the non-whitespace character through */ 105 linestart = NO; 106 } 107 switch (c) { 108 case '\t': 109 linestart = NO; /* Don't need to convert spaces */ 110 break; 111 case '\n': 112 linestart = YES; /* Ready to convert spaces 113 * again */ 114 break; 115 } 116 if (count++ % LINE == 0) /* Finished a line? */ 117 printf("\n\t"); 118 printf("0x%02x,", (unsigned int)(c ^ random()) & 0xFF); 119 } 120 puts("\n\t0\n};"); 121 fclose(infile); 122 fflush(stdout); 123 if (ferror(stdout)) { 124 perror("error writing standard output"); 125 exit(1); 126 } 127 exit(0); 128 } 129