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b4686327 | 1 | /*- |
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2 | * Copyright (c) 1991, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
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4 | * |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Jim Gillogly at The Rand Corporation. | |
7 | * | |
8 | * %sccs.include.redist.c% | |
9 | */ | |
10 | ||
11 | #ifndef lint | |
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12 | static char copyright[] = |
13 | "@(#) Copyright (c) 1991, 1993\n\ | |
14 | The Regents of the University of California. All rights reserved.\n"; | |
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15 | #endif /* not lint */ |
16 | ||
17 | #ifndef lint | |
9189ca05 | 18 | static char sccsid[] = "@(#)setup.c 8.1 (Berkeley) %G%"; |
b4686327 KB |
19 | #endif /* not lint */ |
20 | ||
21 | /* | |
22 | * Setup: keep the structure of the original Adventure port, but use an | |
23 | * internal copy of the data file, serving as a sort of virtual disk. It's | |
24 | * lightly encrypted to prevent casual snooping of the executable. | |
25 | * | |
26 | * Also do appropriate things to tabs so that bogus editors will do the right | |
27 | * thing with the data file. | |
28 | * | |
29 | */ | |
30 | ||
31 | #define SIG1 " * Jim Gillogly" | |
32 | #define SIG2 " * Sterday, 6 Thrimidge S.R. 1993, 15:24" | |
33 | ||
34 | #include <stdio.h> | |
35 | #include "hdr.h" /* SEED lives in there; keep them coordinated. */ | |
36 | ||
37 | #define USAGE "Usage: setup file > data.c (file is typically glorkz)\n" | |
38 | ||
39 | #define YES 1 | |
40 | #define NO 0 | |
41 | ||
42 | void fatal(); | |
43 | ||
44 | #define LINE 10 /* How many values do we get on a line? */ | |
45 | ||
46 | main(argc, argv) | |
47 | int argc; | |
48 | char *argv[]; | |
49 | { | |
50 | FILE *infile; | |
51 | int c, count, linestart; | |
52 | ||
53 | if (argc != 2) fatal(USAGE); | |
54 | ||
55 | if ((infile = fopen(argv[1], "r")) == NULL) | |
56 | fatal("Can't read file %s.\n", argv[1]); | |
57 | puts("/*\n * data.c: created by setup from the ascii data file."); | |
58 | puts(SIG1); | |
59 | puts(SIG2); | |
60 | puts(" */"); | |
61 | printf("\n\nchar data_file[] =\n{"); | |
62 | srandom(SEED); | |
63 | count = 0; | |
64 | linestart = YES; | |
65 | ||
66 | while ((c = getc(infile)) != EOF) | |
67 | { | |
68 | if (linestart && c == ' ') /* Convert first spaces to tab */ | |
69 | { | |
70 | printf("0x%02x,", ('\t' ^ random()) & 0xFF); | |
71 | while ((c = getc(infile)) == ' ' && c != EOF); | |
72 | /* Drop the non-whitespace character through */ | |
73 | linestart = NO; | |
74 | } | |
75 | switch(c) | |
76 | { | |
77 | case '\t': | |
78 | linestart = NO; /* Don't need to convert spaces */ | |
79 | break; | |
80 | case '\n': | |
81 | linestart = YES; /* Ready to convert spaces again */ | |
82 | break; | |
83 | } | |
84 | if (count++ % LINE == 0) /* Finished a line? */ | |
85 | printf("\n\t"); | |
86 | printf("0x%02x,", (c ^ random()) & 0xFF); | |
87 | } | |
88 | puts("\n\t0\n};"); | |
89 | fclose(infile); | |
90 | exit(0); | |
91 | } | |
92 | ||
93 | ||
94 | void fatal(format, arg) | |
95 | char *format; | |
96 | { | |
97 | fprintf(stderr, format, arg); | |
98 | exit(1); | |
99 | } |