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Diffstat (limited to 'maketree.c')
-rw-r--r-- | maketree.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/maketree.c b/maketree.c deleted file mode 100644 index a16d4b1..0000000 --- a/maketree.c +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* maketree.c -- make inffixed.h table for decoding fixed codes | ||
2 | * Copyright (C) 1995-2002 Mark Adler | ||
3 | * For conditions of distribution and use, see copyright notice in zlib.h | ||
4 | */ | ||
5 | |||
6 | /* WARNING: this file should *not* be used by applications. It is | ||
7 | part of the implementation of the compression library and is | ||
8 | subject to change. Applications should only use zlib.h. | ||
9 | */ | ||
10 | |||
11 | /* This program is included in the distribution for completeness. | ||
12 | You do not need to compile or run this program since inffixed.h | ||
13 | is already included in the distribution. To use this program | ||
14 | you need to compile zlib with BUILDFIXED defined and then compile | ||
15 | and link this program with the zlib library. Then the output of | ||
16 | this program can be piped to inffixed.h. */ | ||
17 | |||
18 | #include <stdio.h> | ||
19 | #include <stdlib.h> | ||
20 | #include "zutil.h" | ||
21 | #include "inftrees.h" | ||
22 | |||
23 | /* simplify the use of the inflate_huft type with some defines */ | ||
24 | #define exop word.what.Exop | ||
25 | #define bits word.what.Bits | ||
26 | |||
27 | /* generate initialization table for an inflate_huft structure array */ | ||
28 | void maketree(uInt b, inflate_huft *t) | ||
29 | { | ||
30 | int i, e; | ||
31 | |||
32 | i = 0; | ||
33 | while (1) | ||
34 | { | ||
35 | e = t[i].exop; | ||
36 | if (e && (e & (16+64)) == 0) /* table pointer */ | ||
37 | { | ||
38 | fprintf(stderr, "maketree: cannot initialize sub-tables!\n"); | ||
39 | exit(1); | ||
40 | } | ||
41 | if (i % 4 == 0) | ||
42 | printf("\n "); | ||
43 | printf(" {{{%u,%u}},%u}", t[i].exop, t[i].bits, t[i].base); | ||
44 | if (++i == (1<<b)) | ||
45 | break; | ||
46 | putchar(','); | ||
47 | } | ||
48 | puts(""); | ||
49 | } | ||
50 | |||
51 | /* create the fixed tables in C initialization syntax */ | ||
52 | void main(void) | ||
53 | { | ||
54 | int r; | ||
55 | uInt bl, bd; | ||
56 | inflate_huft *tl, *td; | ||
57 | z_stream z; | ||
58 | |||
59 | z.zalloc = zcalloc; | ||
60 | z.opaque = (voidpf)0; | ||
61 | z.zfree = zcfree; | ||
62 | r = inflate_trees_fixed(&bl, &bd, &tl, &td, &z); | ||
63 | if (r) | ||
64 | { | ||
65 | fprintf(stderr, "inflate_trees_fixed error %d\n", r); | ||
66 | return; | ||
67 | } | ||
68 | puts("/* inffixed.h -- table for decoding fixed codes"); | ||
69 | puts(" * Generated automatically by the maketree.c program"); | ||
70 | puts(" */"); | ||
71 | puts(""); | ||
72 | puts("/* WARNING: this file should *not* be used by applications. It is"); | ||
73 | puts(" part of the implementation of the compression library and is"); | ||
74 | puts(" subject to change. Applications should only use zlib.h."); | ||
75 | puts(" */"); | ||
76 | puts(""); | ||
77 | printf("local uInt fixed_bl = %d;\n", bl); | ||
78 | printf("local uInt fixed_bd = %d;\n", bd); | ||
79 | printf("local inflate_huft fixed_tl[] = {"); | ||
80 | maketree(bl, tl); | ||
81 | puts(" };"); | ||
82 | printf("local inflate_huft fixed_td[] = {"); | ||
83 | maketree(bd, td); | ||
84 | puts(" };"); | ||
85 | } | ||