Mercurial > hg > CbC > CbC_gcc

annotate zlib/zutil.c @ 51:ae3a4bfb450b

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add some files of version 4.4.3 that have been forgotten.
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Sun, 07 Feb 2010 18:27:48 +0900
parents
children 04ced10e8804
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rev   line source
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /* zutil.c -- target dependent utility functions for the compression library
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 * Copyright (C) 1995-2005 Jean-loup Gailly.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 * For conditions of distribution and use, see copyright notice in zlib.h
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
5
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 /* @(#) $Id: zutil.c,v 1.1.1.2 2002/03/11 21:53:27 tromey Exp $ */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
7
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 #include "zutil.h"
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
9
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 #ifndef NO_DUMMY_DECL
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 struct internal_state {int dummy;}; /* for buggy compilers */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 #endif
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
13
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 const char * const z_errmsg[10] = {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 "need dictionary", /* Z_NEED_DICT 2 */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 "stream end", /* Z_STREAM_END 1 */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 "", /* Z_OK 0 */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 "file error", /* Z_ERRNO (-1) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 "stream error", /* Z_STREAM_ERROR (-2) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 "data error", /* Z_DATA_ERROR (-3) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 "insufficient memory", /* Z_MEM_ERROR (-4) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 "buffer error", /* Z_BUF_ERROR (-5) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 "incompatible version",/* Z_VERSION_ERROR (-6) */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 ""};
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
25
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
26
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 const char * ZEXPORT zlibVersion()
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
29 return ZLIB_VERSION;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
31
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 uLong ZEXPORT zlibCompileFlags()
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 uLong flags;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
35
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 flags = 0;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 switch (sizeof(uInt)) {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 case 2: break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 case 4: flags += 1; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 case 8: flags += 2; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 default: flags += 3;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 switch (sizeof(uLong)) {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 case 2: break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
45 case 4: flags += 1 << 2; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 case 8: flags += 2 << 2; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 default: flags += 3 << 2;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 switch (sizeof(voidpf)) {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 case 2: break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 case 4: flags += 1 << 4; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 case 8: flags += 2 << 4; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
53 default: flags += 3 << 4;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 switch (sizeof(z_off_t)) {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 case 2: break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 case 4: flags += 1 << 6; break;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 case 8: flags += 2 << 6; break;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 default: flags += 3 << 6;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 #ifdef DEBUG
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 flags += 1 << 8;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 #if defined(ASMV) || defined(ASMINF)
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 flags += 1 << 9;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 #ifdef ZLIB_WINAPI
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 flags += 1 << 10;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 #ifdef BUILDFIXED
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 flags += 1 << 12;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 #ifdef DYNAMIC_CRC_TABLE
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 flags += 1 << 13;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 #ifdef NO_GZCOMPRESS
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 flags += 1L << 16;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 #ifdef NO_GZIP
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 flags += 1L << 17;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
82 #ifdef PKZIP_BUG_WORKAROUND
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 flags += 1L << 20;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 #ifdef FASTEST
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 flags += 1L << 21;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 #ifdef STDC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 # ifdef NO_vsnprintf
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 flags += 1L << 25;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 # ifdef HAS_vsprintf_void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 flags += 1L << 26;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 # endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 # else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 # ifdef HAS_vsnprintf_void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 flags += 1L << 26;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 # endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 # endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 #else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 flags += 1L << 24;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 # ifdef NO_snprintf
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 flags += 1L << 25;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 # ifdef HAS_sprintf_void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 flags += 1L << 26;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 # endif
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 # else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
107 # ifdef HAS_snprintf_void
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 flags += 1L << 26;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 # endif
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 # endif
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 #endif
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 return flags;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
114
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
115 #ifdef DEBUG
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
116
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
117 # ifndef verbose
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 # define verbose 0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 # endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
120 int z_verbose = verbose;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
121
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 void z_error (m)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
123 char *m;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
125 fprintf(stderr, "%s\n", m);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 exit(1);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
129
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 /* exported to allow conversion of error code to string for compress() and
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 * uncompress()
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 const char * ZEXPORT zError(err)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 int err;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 return ERR_MSG(err);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
138
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 #if defined(_WIN32_WCE)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 /* The Microsoft C Run-Time Library for Windows CE doesn't have
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 * errno. We define it as a global variable to simplify porting.
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 * Its value is always 0 and should not be used.
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 int errno = 0;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
146
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 #ifndef HAVE_MEMCPY
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
148
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 void zmemcpy(dest, source, len)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 Bytef* dest;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 const Bytef* source;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 uInt len;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 if (len == 0) return;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 do {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 *dest++ = *source++; /* ??? to be unrolled */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 } while (--len != 0);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 int zmemcmp(s1, s2, len)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 const Bytef* s1;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 const Bytef* s2;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 uInt len;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 uInt j;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
166
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 for (j = 0; j < len; j++) {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 return 0;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
172
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 void zmemzero(dest, len)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 Bytef* dest;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 uInt len;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 if (len == 0) return;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 do {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 *dest++ = 0; /* ??? to be unrolled */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 } while (--len != 0);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
183
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
184
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 #ifdef SYS16BIT
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
186
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 #ifdef __TURBOC__
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 /* Turbo C in 16-bit mode */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
189
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 # define MY_ZCALLOC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
191
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 /* Turbo C malloc() does not allow dynamic allocation of 64K bytes
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 * and farmalloc(64K) returns a pointer with an offset of 8, so we
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 * must fix the pointer. Warning: the pointer must be put back to its
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 * original form in order to free it, use zcfree().
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
197
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 #define MAX_PTR 10
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 /* 10*64K = 640K */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
200
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 local int next_ptr = 0;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
202
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 typedef struct ptr_table_s {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 voidpf org_ptr;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 voidpf new_ptr;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 } ptr_table;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
207
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 local ptr_table table[MAX_PTR];
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 /* This table is used to remember the original form of pointers
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 * to large buffers (64K). Such pointers are normalized with a zero offset.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 * Since MSDOS is not a preemptive multitasking OS, this table is not
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 * protected from concurrent access. This hack doesn't work anyway on
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 * a protected system like OS/2. Use Microsoft C instead.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
215
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 voidpf buf = opaque; /* just to make some compilers happy */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 ulg bsize = (ulg)items*size;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
220
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 /* If we allocate less than 65520 bytes, we assume that farmalloc
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 * will return a usable pointer which doesn't have to be normalized.
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 if (bsize < 65520L) {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 buf = farmalloc(bsize);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 if (*(ush*)&buf != 0) return buf;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 } else {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 buf = farmalloc(bsize + 16L);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 table[next_ptr].org_ptr = buf;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
232
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 /* Normalize the pointer to seg:0 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 *(ush*)&buf = 0;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 table[next_ptr++].new_ptr = buf;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 return buf;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
239
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 void zcfree (voidpf opaque, voidpf ptr)
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 {
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 int n;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 if (*(ush*)&ptr != 0) { /* object < 64K */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 farfree(ptr);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 return;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 /* Find the original pointer */
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 for (n = 0; n < next_ptr; n++) {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 if (ptr != table[n].new_ptr) continue;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
250
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 farfree(table[n].org_ptr);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 while (++n < next_ptr) {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 table[n-1] = table[n];
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 next_ptr--;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 return;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 ptr = opaque; /* just to make some compilers happy */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 Assert(0, "zcfree: ptr not found");
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
261
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 #endif /* __TURBOC__ */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
263
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
264
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
265 #ifdef M_I86
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
266 /* Microsoft C in 16-bit mode */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
267
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 # define MY_ZCALLOC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
269
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 #if (!defined(_MSC_VER) || (_MSC_VER <= 600))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 # define _halloc halloc
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 # define _hfree hfree
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
274
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
276 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 if (opaque) opaque = 0; /* to make compiler happy */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 return _halloc((long)items, size);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
279 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
280
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 void zcfree (voidpf opaque, voidpf ptr)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
282 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 if (opaque) opaque = 0; /* to make compiler happy */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 _hfree(ptr);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
286
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 #endif /* M_I86 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
288
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 #endif /* SYS16BIT */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
290
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
291
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 #ifndef MY_ZCALLOC /* Any system without a special alloc function */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
293
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
294 #ifndef STDC
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
295 extern voidp malloc OF((uInt size));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 extern voidp calloc OF((uInt items, uInt size));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 extern void free OF((voidpf ptr));
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
298 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
299
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
300 voidpf zcalloc (opaque, items, size)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
301 voidpf opaque;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
302 unsigned items;
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
303 unsigned size;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 if (opaque) items += size - size; /* make compiler happy */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
306 return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
307 (voidpf)calloc(items, size);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
309
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
310 void zcfree (opaque, ptr)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
311 voidpf opaque;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
312 voidpf ptr;
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
314 free(ptr);
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
315 if (opaque) return; /* make compiler happy */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 }
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
317
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 #endif /* MY_ZCALLOC */