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
main(int argc,char * argv[])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