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author | Nicolas Pennequin <nicolas.pennequin@free.fr> | 2008-07-11 16:51:25 +0000 |
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committer | Nicolas Pennequin <nicolas.pennequin@free.fr> | 2008-07-11 16:51:25 +0000 |
commit | ca5bb76d2b8f65aa97e50b633f828c1deb241526 (patch) | |
tree | 453a1b2de3a0dc0d0b2f7080d10d033bf8fbcdf1 /utils/zenutils/libraries/zlib123/zlib/zutil.c | |
parent | 141774be48940d56e3ad4dbf451d245b61d4f8b2 (diff) | |
download | rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.tar.gz rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.zip |
Delete the svn:executable property and set svn:eol-style to native for all those text files.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18012 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/zenutils/libraries/zlib123/zlib/zutil.c')
-rw-r--r--[-rwxr-xr-x] | utils/zenutils/libraries/zlib123/zlib/zutil.c | 636 |
1 files changed, 318 insertions, 318 deletions
diff --git a/utils/zenutils/libraries/zlib123/zlib/zutil.c b/utils/zenutils/libraries/zlib123/zlib/zutil.c index 0f4bd7871d..d55f5948a3 100755..100644 --- a/utils/zenutils/libraries/zlib123/zlib/zutil.c +++ b/utils/zenutils/libraries/zlib123/zlib/zutil.c | |||
@@ -1,318 +1,318 @@ | |||
1 | /* zutil.c -- target dependent utility functions for the compression library | 1 | /* zutil.c -- target dependent utility functions for the compression library |
2 | * Copyright (C) 1995-2005 Jean-loup Gailly. | 2 | * Copyright (C) 1995-2005 Jean-loup Gailly. |
3 | * For conditions of distribution and use, see copyright notice in zlib.h | 3 | * For conditions of distribution and use, see copyright notice in zlib.h |
4 | */ | 4 | */ |
5 | 5 | ||
6 | /* @(#) $Id$ */ | 6 | /* @(#) $Id$ */ |
7 | 7 | ||
8 | #include "zutil.h" | 8 | #include "zutil.h" |
9 | 9 | ||
10 | #ifndef NO_DUMMY_DECL | 10 | #ifndef NO_DUMMY_DECL |
11 | struct internal_state {int dummy;}; /* for buggy compilers */ | 11 | struct internal_state {int dummy;}; /* for buggy compilers */ |
12 | #endif | 12 | #endif |
13 | 13 | ||
14 | const char * const z_errmsg[10] = { | 14 | const char * const z_errmsg[10] = { |
15 | "need dictionary", /* Z_NEED_DICT 2 */ | 15 | "need dictionary", /* Z_NEED_DICT 2 */ |
16 | "stream end", /* Z_STREAM_END 1 */ | 16 | "stream end", /* Z_STREAM_END 1 */ |
17 | "", /* Z_OK 0 */ | 17 | "", /* Z_OK 0 */ |
18 | "file error", /* Z_ERRNO (-1) */ | 18 | "file error", /* Z_ERRNO (-1) */ |
19 | "stream error", /* Z_STREAM_ERROR (-2) */ | 19 | "stream error", /* Z_STREAM_ERROR (-2) */ |
20 | "data error", /* Z_DATA_ERROR (-3) */ | 20 | "data error", /* Z_DATA_ERROR (-3) */ |
21 | "insufficient memory", /* Z_MEM_ERROR (-4) */ | 21 | "insufficient memory", /* Z_MEM_ERROR (-4) */ |
22 | "buffer error", /* Z_BUF_ERROR (-5) */ | 22 | "buffer error", /* Z_BUF_ERROR (-5) */ |
23 | "incompatible version",/* Z_VERSION_ERROR (-6) */ | 23 | "incompatible version",/* Z_VERSION_ERROR (-6) */ |
24 | ""}; | 24 | ""}; |
25 | 25 | ||
26 | 26 | ||
27 | const char * ZEXPORT zlibVersion() | 27 | const char * ZEXPORT zlibVersion() |
28 | { | 28 | { |
29 | return ZLIB_VERSION; | 29 | return ZLIB_VERSION; |
30 | } | 30 | } |
31 | 31 | ||
32 | uLong ZEXPORT zlibCompileFlags() | 32 | uLong ZEXPORT zlibCompileFlags() |
33 | { | 33 | { |
34 | uLong flags; | 34 | uLong flags; |
35 | 35 | ||
36 | flags = 0; | 36 | flags = 0; |
37 | switch (sizeof(uInt)) { | 37 | switch (sizeof(uInt)) { |
38 | case 2: break; | 38 | case 2: break; |
39 | case 4: flags += 1; break; | 39 | case 4: flags += 1; break; |
40 | case 8: flags += 2; break; | 40 | case 8: flags += 2; break; |
41 | default: flags += 3; | 41 | default: flags += 3; |
42 | } | 42 | } |
43 | switch (sizeof(uLong)) { | 43 | switch (sizeof(uLong)) { |
44 | case 2: break; | 44 | case 2: break; |
45 | case 4: flags += 1 << 2; break; | 45 | case 4: flags += 1 << 2; break; |
46 | case 8: flags += 2 << 2; break; | 46 | case 8: flags += 2 << 2; break; |
47 | default: flags += 3 << 2; | 47 | default: flags += 3 << 2; |
48 | } | 48 | } |
49 | switch (sizeof(voidpf)) { | 49 | switch (sizeof(voidpf)) { |
50 | case 2: break; | 50 | case 2: break; |
51 | case 4: flags += 1 << 4; break; | 51 | case 4: flags += 1 << 4; break; |
52 | case 8: flags += 2 << 4; break; | 52 | case 8: flags += 2 << 4; break; |
53 | default: flags += 3 << 4; | 53 | default: flags += 3 << 4; |
54 | } | 54 | } |
55 | switch (sizeof(z_off_t)) { | 55 | switch (sizeof(z_off_t)) { |
56 | case 2: break; | 56 | case 2: break; |
57 | case 4: flags += 1 << 6; break; | 57 | case 4: flags += 1 << 6; break; |
58 | case 8: flags += 2 << 6; break; | 58 | case 8: flags += 2 << 6; break; |
59 | default: flags += 3 << 6; | 59 | default: flags += 3 << 6; |
60 | } | 60 | } |
61 | #ifdef DEBUG | 61 | #ifdef DEBUG |
62 | flags += 1 << 8; | 62 | flags += 1 << 8; |
63 | #endif | 63 | #endif |
64 | #if defined(ASMV) || defined(ASMINF) | 64 | #if defined(ASMV) || defined(ASMINF) |
65 | flags += 1 << 9; | 65 | flags += 1 << 9; |
66 | #endif | 66 | #endif |
67 | #ifdef ZLIB_WINAPI | 67 | #ifdef ZLIB_WINAPI |
68 | flags += 1 << 10; | 68 | flags += 1 << 10; |
69 | #endif | 69 | #endif |
70 | #ifdef BUILDFIXED | 70 | #ifdef BUILDFIXED |
71 | flags += 1 << 12; | 71 | flags += 1 << 12; |
72 | #endif | 72 | #endif |
73 | #ifdef DYNAMIC_CRC_TABLE | 73 | #ifdef DYNAMIC_CRC_TABLE |
74 | flags += 1 << 13; | 74 | flags += 1 << 13; |
75 | #endif | 75 | #endif |
76 | #ifdef NO_GZCOMPRESS | 76 | #ifdef NO_GZCOMPRESS |
77 | flags += 1L << 16; | 77 | flags += 1L << 16; |
78 | #endif | 78 | #endif |
79 | #ifdef NO_GZIP | 79 | #ifdef NO_GZIP |
80 | flags += 1L << 17; | 80 | flags += 1L << 17; |
81 | #endif | 81 | #endif |
82 | #ifdef PKZIP_BUG_WORKAROUND | 82 | #ifdef PKZIP_BUG_WORKAROUND |
83 | flags += 1L << 20; | 83 | flags += 1L << 20; |
84 | #endif | 84 | #endif |
85 | #ifdef FASTEST | 85 | #ifdef FASTEST |
86 | flags += 1L << 21; | 86 | flags += 1L << 21; |
87 | #endif | 87 | #endif |
88 | #ifdef STDC | 88 | #ifdef STDC |
89 | # ifdef NO_vsnprintf | 89 | # ifdef NO_vsnprintf |
90 | flags += 1L << 25; | 90 | flags += 1L << 25; |
91 | # ifdef HAS_vsprintf_void | 91 | # ifdef HAS_vsprintf_void |
92 | flags += 1L << 26; | 92 | flags += 1L << 26; |
93 | # endif | 93 | # endif |
94 | # else | 94 | # else |
95 | # ifdef HAS_vsnprintf_void | 95 | # ifdef HAS_vsnprintf_void |
96 | flags += 1L << 26; | 96 | flags += 1L << 26; |
97 | # endif | 97 | # endif |
98 | # endif | 98 | # endif |
99 | #else | 99 | #else |
100 | flags += 1L << 24; | 100 | flags += 1L << 24; |
101 | # ifdef NO_snprintf | 101 | # ifdef NO_snprintf |
102 | flags += 1L << 25; | 102 | flags += 1L << 25; |
103 | # ifdef HAS_sprintf_void | 103 | # ifdef HAS_sprintf_void |
104 | flags += 1L << 26; | 104 | flags += 1L << 26; |
105 | # endif | 105 | # endif |
106 | # else | 106 | # else |
107 | # ifdef HAS_snprintf_void | 107 | # ifdef HAS_snprintf_void |
108 | flags += 1L << 26; | 108 | flags += 1L << 26; |
109 | # endif | 109 | # endif |
110 | # endif | 110 | # endif |
111 | #endif | 111 | #endif |
112 | return flags; | 112 | return flags; |
113 | } | 113 | } |
114 | 114 | ||
115 | #ifdef DEBUG | 115 | #ifdef DEBUG |
116 | 116 | ||
117 | # ifndef verbose | 117 | # ifndef verbose |
118 | # define verbose 0 | 118 | # define verbose 0 |
119 | # endif | 119 | # endif |
120 | int z_verbose = verbose; | 120 | int z_verbose = verbose; |
121 | 121 | ||
122 | void z_error (m) | 122 | void z_error (m) |
123 | char *m; | 123 | char *m; |
124 | { | 124 | { |
125 | fprintf(stderr, "%s\n", m); | 125 | fprintf(stderr, "%s\n", m); |
126 | exit(1); | 126 | exit(1); |
127 | } | 127 | } |
128 | #endif | 128 | #endif |
129 | 129 | ||
130 | /* exported to allow conversion of error code to string for compress() and | 130 | /* exported to allow conversion of error code to string for compress() and |
131 | * uncompress() | 131 | * uncompress() |
132 | */ | 132 | */ |
133 | const char * ZEXPORT zError(err) | 133 | const char * ZEXPORT zError(err) |
134 | int err; | 134 | int err; |
135 | { | 135 | { |
136 | return ERR_MSG(err); | 136 | return ERR_MSG(err); |
137 | } | 137 | } |
138 | 138 | ||
139 | #if defined(_WIN32_WCE) | 139 | #if defined(_WIN32_WCE) |
140 | /* The Microsoft C Run-Time Library for Windows CE doesn't have | 140 | /* The Microsoft C Run-Time Library for Windows CE doesn't have |
141 | * errno. We define it as a global variable to simplify porting. | 141 | * errno. We define it as a global variable to simplify porting. |
142 | * Its value is always 0 and should not be used. | 142 | * Its value is always 0 and should not be used. |
143 | */ | 143 | */ |
144 | int errno = 0; | 144 | int errno = 0; |
145 | #endif | 145 | #endif |
146 | 146 | ||
147 | #ifndef HAVE_MEMCPY | 147 | #ifndef HAVE_MEMCPY |
148 | 148 | ||
149 | void zmemcpy(dest, source, len) | 149 | void zmemcpy(dest, source, len) |
150 | Bytef* dest; | 150 | Bytef* dest; |
151 | const Bytef* source; | 151 | const Bytef* source; |
152 | uInt len; | 152 | uInt len; |
153 | { | 153 | { |
154 | if (len == 0) return; | 154 | if (len == 0) return; |
155 | do { | 155 | do { |
156 | *dest++ = *source++; /* ??? to be unrolled */ | 156 | *dest++ = *source++; /* ??? to be unrolled */ |
157 | } while (--len != 0); | 157 | } while (--len != 0); |
158 | } | 158 | } |
159 | 159 | ||
160 | int zmemcmp(s1, s2, len) | 160 | int zmemcmp(s1, s2, len) |
161 | const Bytef* s1; | 161 | const Bytef* s1; |
162 | const Bytef* s2; | 162 | const Bytef* s2; |
163 | uInt len; | 163 | uInt len; |
164 | { | 164 | { |
165 | uInt j; | 165 | uInt j; |
166 | 166 | ||
167 | for (j = 0; j < len; j++) { | 167 | for (j = 0; j < len; j++) { |
168 | if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; | 168 | if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; |
169 | } | 169 | } |
170 | return 0; | 170 | return 0; |
171 | } | 171 | } |
172 | 172 | ||
173 | void zmemzero(dest, len) | 173 | void zmemzero(dest, len) |
174 | Bytef* dest; | 174 | Bytef* dest; |
175 | uInt len; | 175 | uInt len; |
176 | { | 176 | { |
177 | if (len == 0) return; | 177 | if (len == 0) return; |
178 | do { | 178 | do { |
179 | *dest++ = 0; /* ??? to be unrolled */ | 179 | *dest++ = 0; /* ??? to be unrolled */ |
180 | } while (--len != 0); | 180 | } while (--len != 0); |
181 | } | 181 | } |
182 | #endif | 182 | #endif |
183 | 183 | ||
184 | 184 | ||
185 | #ifdef SYS16BIT | 185 | #ifdef SYS16BIT |
186 | 186 | ||
187 | #ifdef __TURBOC__ | 187 | #ifdef __TURBOC__ |
188 | /* Turbo C in 16-bit mode */ | 188 | /* Turbo C in 16-bit mode */ |
189 | 189 | ||
190 | # define MY_ZCALLOC | 190 | # define MY_ZCALLOC |
191 | 191 | ||
192 | /* Turbo C malloc() does not allow dynamic allocation of 64K bytes | 192 | /* Turbo C malloc() does not allow dynamic allocation of 64K bytes |
193 | * and farmalloc(64K) returns a pointer with an offset of 8, so we | 193 | * and farmalloc(64K) returns a pointer with an offset of 8, so we |
194 | * must fix the pointer. Warning: the pointer must be put back to its | 194 | * must fix the pointer. Warning: the pointer must be put back to its |
195 | * original form in order to free it, use zcfree(). | 195 | * original form in order to free it, use zcfree(). |
196 | */ | 196 | */ |
197 | 197 | ||
198 | #define MAX_PTR 10 | 198 | #define MAX_PTR 10 |
199 | /* 10*64K = 640K */ | 199 | /* 10*64K = 640K */ |
200 | 200 | ||
201 | local int next_ptr = 0; | 201 | local int next_ptr = 0; |
202 | 202 | ||
203 | typedef struct ptr_table_s { | 203 | typedef struct ptr_table_s { |
204 | voidpf org_ptr; | 204 | voidpf org_ptr; |
205 | voidpf new_ptr; | 205 | voidpf new_ptr; |
206 | } ptr_table; | 206 | } ptr_table; |
207 | 207 | ||
208 | local ptr_table table[MAX_PTR]; | 208 | local ptr_table table[MAX_PTR]; |
209 | /* This table is used to remember the original form of pointers | 209 | /* This table is used to remember the original form of pointers |
210 | * to large buffers (64K). Such pointers are normalized with a zero offset. | 210 | * to large buffers (64K). Such pointers are normalized with a zero offset. |
211 | * Since MSDOS is not a preemptive multitasking OS, this table is not | 211 | * Since MSDOS is not a preemptive multitasking OS, this table is not |
212 | * protected from concurrent access. This hack doesn't work anyway on | 212 | * protected from concurrent access. This hack doesn't work anyway on |
213 | * a protected system like OS/2. Use Microsoft C instead. | 213 | * a protected system like OS/2. Use Microsoft C instead. |
214 | */ | 214 | */ |
215 | 215 | ||
216 | voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) | 216 | voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) |
217 | { | 217 | { |
218 | voidpf buf = opaque; /* just to make some compilers happy */ | 218 | voidpf buf = opaque; /* just to make some compilers happy */ |
219 | ulg bsize = (ulg)items*size; | 219 | ulg bsize = (ulg)items*size; |
220 | 220 | ||
221 | /* If we allocate less than 65520 bytes, we assume that farmalloc | 221 | /* If we allocate less than 65520 bytes, we assume that farmalloc |
222 | * will return a usable pointer which doesn't have to be normalized. | 222 | * will return a usable pointer which doesn't have to be normalized. |
223 | */ | 223 | */ |
224 | if (bsize < 65520L) { | 224 | if (bsize < 65520L) { |
225 | buf = farmalloc(bsize); | 225 | buf = farmalloc(bsize); |
226 | if (*(ush*)&buf != 0) return buf; | 226 | if (*(ush*)&buf != 0) return buf; |
227 | } else { | 227 | } else { |
228 | buf = farmalloc(bsize + 16L); | 228 | buf = farmalloc(bsize + 16L); |
229 | } | 229 | } |
230 | if (buf == NULL || next_ptr >= MAX_PTR) return NULL; | 230 | if (buf == NULL || next_ptr >= MAX_PTR) return NULL; |
231 | table[next_ptr].org_ptr = buf; | 231 | table[next_ptr].org_ptr = buf; |
232 | 232 | ||
233 | /* Normalize the pointer to seg:0 */ | 233 | /* Normalize the pointer to seg:0 */ |
234 | *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; | 234 | *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; |
235 | *(ush*)&buf = 0; | 235 | *(ush*)&buf = 0; |
236 | table[next_ptr++].new_ptr = buf; | 236 | table[next_ptr++].new_ptr = buf; |
237 | return buf; | 237 | return buf; |
238 | } | 238 | } |
239 | 239 | ||
240 | void zcfree (voidpf opaque, voidpf ptr) | 240 | void zcfree (voidpf opaque, voidpf ptr) |
241 | { | 241 | { |
242 | int n; | 242 | int n; |
243 | if (*(ush*)&ptr != 0) { /* object < 64K */ | 243 | if (*(ush*)&ptr != 0) { /* object < 64K */ |
244 | farfree(ptr); | 244 | farfree(ptr); |
245 | return; | 245 | return; |
246 | } | 246 | } |
247 | /* Find the original pointer */ | 247 | /* Find the original pointer */ |
248 | for (n = 0; n < next_ptr; n++) { | 248 | for (n = 0; n < next_ptr; n++) { |
249 | if (ptr != table[n].new_ptr) continue; | 249 | if (ptr != table[n].new_ptr) continue; |
250 | 250 | ||
251 | farfree(table[n].org_ptr); | 251 | farfree(table[n].org_ptr); |
252 | while (++n < next_ptr) { | 252 | while (++n < next_ptr) { |
253 | table[n-1] = table[n]; | 253 | table[n-1] = table[n]; |
254 | } | 254 | } |
255 | next_ptr--; | 255 | next_ptr--; |
256 | return; | 256 | return; |
257 | } | 257 | } |
258 | ptr = opaque; /* just to make some compilers happy */ | 258 | ptr = opaque; /* just to make some compilers happy */ |
259 | Assert(0, "zcfree: ptr not found"); | 259 | Assert(0, "zcfree: ptr not found"); |
260 | } | 260 | } |
261 | 261 | ||
262 | #endif /* __TURBOC__ */ | 262 | #endif /* __TURBOC__ */ |
263 | 263 | ||
264 | 264 | ||
265 | #ifdef M_I86 | 265 | #ifdef M_I86 |
266 | /* Microsoft C in 16-bit mode */ | 266 | /* Microsoft C in 16-bit mode */ |
267 | 267 | ||
268 | # define MY_ZCALLOC | 268 | # define MY_ZCALLOC |
269 | 269 | ||
270 | #if (!defined(_MSC_VER) || (_MSC_VER <= 600)) | 270 | #if (!defined(_MSC_VER) || (_MSC_VER <= 600)) |
271 | # define _halloc halloc | 271 | # define _halloc halloc |
272 | # define _hfree hfree | 272 | # define _hfree hfree |
273 | #endif | 273 | #endif |
274 | 274 | ||
275 | voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) | 275 | voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) |
276 | { | 276 | { |
277 | if (opaque) opaque = 0; /* to make compiler happy */ | 277 | if (opaque) opaque = 0; /* to make compiler happy */ |
278 | return _halloc((long)items, size); | 278 | return _halloc((long)items, size); |
279 | } | 279 | } |
280 | 280 | ||
281 | void zcfree (voidpf opaque, voidpf ptr) | 281 | void zcfree (voidpf opaque, voidpf ptr) |
282 | { | 282 | { |
283 | if (opaque) opaque = 0; /* to make compiler happy */ | 283 | if (opaque) opaque = 0; /* to make compiler happy */ |
284 | _hfree(ptr); | 284 | _hfree(ptr); |
285 | } | 285 | } |
286 | 286 | ||
287 | #endif /* M_I86 */ | 287 | #endif /* M_I86 */ |
288 | 288 | ||
289 | #endif /* SYS16BIT */ | 289 | #endif /* SYS16BIT */ |
290 | 290 | ||
291 | 291 | ||
292 | #ifndef MY_ZCALLOC /* Any system without a special alloc function */ | 292 | #ifndef MY_ZCALLOC /* Any system without a special alloc function */ |
293 | 293 | ||
294 | #ifndef STDC | 294 | #ifndef STDC |
295 | extern voidp malloc OF((uInt size)); | 295 | extern voidp malloc OF((uInt size)); |
296 | extern voidp calloc OF((uInt items, uInt size)); | 296 | extern voidp calloc OF((uInt items, uInt size)); |
297 | extern void free OF((voidpf ptr)); | 297 | extern void free OF((voidpf ptr)); |
298 | #endif | 298 | #endif |
299 | 299 | ||
300 | voidpf zcalloc (opaque, items, size) | 300 | voidpf zcalloc (opaque, items, size) |
301 | voidpf opaque; | 301 | voidpf opaque; |
302 | unsigned items; | 302 | unsigned items; |
303 | unsigned size; | 303 | unsigned size; |
304 | { | 304 | { |
305 | if (opaque) items += size - size; /* make compiler happy */ | 305 | if (opaque) items += size - size; /* make compiler happy */ |
306 | return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : | 306 | return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : |
307 | (voidpf)calloc(items, size); | 307 | (voidpf)calloc(items, size); |
308 | } | 308 | } |
309 | 309 | ||
310 | void zcfree (opaque, ptr) | 310 | void zcfree (opaque, ptr) |
311 | voidpf opaque; | 311 | voidpf opaque; |
312 | voidpf ptr; | 312 | voidpf ptr; |
313 | { | 313 | { |
314 | free(ptr); | 314 | free(ptr); |
315 | if (opaque) return; /* make compiler happy */ | 315 | if (opaque) return; /* make compiler happy */ |
316 | } | 316 | } |
317 | 317 | ||
318 | #endif /* MY_ZCALLOC */ | 318 | #endif /* MY_ZCALLOC */ |