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
main(int argc,char * argv[])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