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c29fdfc1 WD |
1 | /* |
2 | * This file is a modified version of bzlib.h from the bzip2-1.0.2 | |
3 | * distribution which can be found at http://sources.redhat.com/bzip2/ | |
4 | */ | |
5 | ||
6 | /*-------------------------------------------------------------*/ | |
7 | /*--- Public header file for the library. ---*/ | |
8 | /*--- bzlib.h ---*/ | |
9 | /*-------------------------------------------------------------*/ | |
10 | ||
11 | /*-- | |
12 | This file is a part of bzip2 and/or libbzip2, a program and | |
13 | library for lossless, block-sorting data compression. | |
14 | ||
15 | Copyright (C) 1996-2002 Julian R Seward. All rights reserved. | |
16 | ||
17 | Redistribution and use in source and binary forms, with or without | |
18 | modification, are permitted provided that the following conditions | |
19 | are met: | |
20 | ||
21 | 1. Redistributions of source code must retain the above copyright | |
22 | notice, this list of conditions and the following disclaimer. | |
23 | ||
24 | 2. The origin of this software must not be misrepresented; you must | |
25 | not claim that you wrote the original software. If you use this | |
26 | software in a product, an acknowledgment in the product | |
27 | documentation would be appreciated but is not required. | |
28 | ||
29 | 3. Altered source versions must be plainly marked as such, and must | |
30 | not be misrepresented as being the original software. | |
31 | ||
32 | 4. The name of the author may not be used to endorse or promote | |
33 | products derived from this software without specific prior written | |
34 | permission. | |
35 | ||
36 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS | |
37 | OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
38 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
39 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
40 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
41 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
42 | GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
43 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
44 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
45 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
46 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | ||
48 | Julian Seward, Cambridge, UK. | |
49 | [email protected] | |
50 | bzip2/libbzip2 version 1.0 of 21 March 2000 | |
51 | ||
52 | This program is based on (at least) the work of: | |
53 | Mike Burrows | |
54 | David Wheeler | |
55 | Peter Fenwick | |
56 | Alistair Moffat | |
57 | Radford Neal | |
58 | Ian H. Witten | |
59 | Robert Sedgewick | |
60 | Jon L. Bentley | |
61 | ||
62 | For more information on these sources, see the manual. | |
63 | --*/ | |
64 | ||
65 | ||
66 | #ifndef _BZLIB_H | |
67 | #define _BZLIB_H | |
68 | ||
69 | /* Configure for U-Boot environment */ | |
70 | #define BZ_NO_STDIO | |
cf204528 SG |
71 | |
72 | #ifndef CONFIG_SANDBOX | |
c29fdfc1 | 73 | #define BZ_NO_COMPRESS |
cf204528 | 74 | #endif |
c29fdfc1 WD |
75 | /* End of configuration for U-Boot environment */ |
76 | ||
77 | #ifdef __cplusplus | |
78 | extern "C" { | |
79 | #endif | |
80 | ||
81 | #define BZ_RUN 0 | |
82 | #define BZ_FLUSH 1 | |
83 | #define BZ_FINISH 2 | |
84 | ||
85 | #define BZ_OK 0 | |
86 | #define BZ_RUN_OK 1 | |
87 | #define BZ_FLUSH_OK 2 | |
88 | #define BZ_FINISH_OK 3 | |
89 | #define BZ_STREAM_END 4 | |
90 | #define BZ_SEQUENCE_ERROR (-1) | |
91 | #define BZ_PARAM_ERROR (-2) | |
92 | #define BZ_MEM_ERROR (-3) | |
93 | #define BZ_DATA_ERROR (-4) | |
94 | #define BZ_DATA_ERROR_MAGIC (-5) | |
95 | #define BZ_IO_ERROR (-6) | |
96 | #define BZ_UNEXPECTED_EOF (-7) | |
97 | #define BZ_OUTBUFF_FULL (-8) | |
98 | #define BZ_CONFIG_ERROR (-9) | |
99 | ||
100 | typedef | |
101 | struct { | |
102 | char *next_in; | |
103 | unsigned int avail_in; | |
104 | unsigned int total_in_lo32; | |
105 | unsigned int total_in_hi32; | |
106 | ||
107 | char *next_out; | |
108 | unsigned int avail_out; | |
109 | unsigned int total_out_lo32; | |
110 | unsigned int total_out_hi32; | |
111 | ||
112 | void *state; | |
113 | ||
114 | void *(*bzalloc)(void *,int,int); | |
115 | void (*bzfree)(void *,void *); | |
116 | void *opaque; | |
117 | } | |
118 | bz_stream; | |
119 | ||
120 | ||
121 | #ifndef BZ_IMPORT | |
122 | #define BZ_EXPORT | |
123 | #endif | |
124 | ||
125 | #ifdef _WIN32 | |
126 | # include <windows.h> | |
127 | # ifdef small | |
128 | /* windows.h define small to char */ | |
129 | # undef small | |
130 | # endif | |
131 | # ifdef BZ_EXPORT | |
132 | # define BZ_API(func) WINAPI func | |
133 | # define BZ_EXTERN extern | |
134 | # else | |
135 | /* import windows dll dynamically */ | |
136 | # define BZ_API(func) (WINAPI * func) | |
137 | # define BZ_EXTERN | |
138 | # endif | |
139 | #else | |
140 | # define BZ_API(func) func | |
141 | # define BZ_EXTERN extern | |
142 | #endif | |
143 | ||
144 | ||
145 | /*-- Core (low-level) library functions --*/ | |
146 | ||
147 | BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( | |
148 | bz_stream* strm, | |
149 | int blockSize100k, | |
150 | int verbosity, | |
151 | int workFactor | |
152 | ); | |
153 | ||
154 | BZ_EXTERN int BZ_API(BZ2_bzCompress) ( | |
155 | bz_stream* strm, | |
156 | int action | |
157 | ); | |
158 | ||
159 | BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( | |
160 | bz_stream* strm | |
161 | ); | |
162 | ||
163 | BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( | |
164 | bz_stream *strm, | |
165 | int verbosity, | |
166 | int small | |
167 | ); | |
168 | ||
169 | BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( | |
170 | bz_stream* strm | |
171 | ); | |
172 | ||
173 | BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( | |
174 | bz_stream *strm | |
175 | ); | |
176 | ||
177 | ||
c29fdfc1 WD |
178 | /*-- High(er) level library functions --*/ |
179 | ||
180 | #ifndef BZ_NO_STDIO | |
181 | #define BZ_MAX_UNUSED 5000 | |
182 | ||
183 | /* Need a definitition for FILE */ | |
184 | #include <stdio.h> | |
185 | ||
186 | typedef void BZFILE; | |
187 | ||
188 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( | |
189 | int* bzerror, | |
190 | FILE* f, | |
191 | int verbosity, | |
192 | int small, | |
193 | void* unused, | |
194 | int nUnused | |
195 | ); | |
196 | ||
197 | BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( | |
198 | int* bzerror, | |
199 | BZFILE* b | |
200 | ); | |
201 | ||
202 | BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( | |
203 | int* bzerror, | |
204 | BZFILE* b, | |
205 | void** unused, | |
206 | int* nUnused | |
207 | ); | |
208 | ||
209 | BZ_EXTERN int BZ_API(BZ2_bzRead) ( | |
210 | int* bzerror, | |
211 | BZFILE* b, | |
212 | void* buf, | |
213 | int len | |
214 | ); | |
215 | ||
216 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( | |
217 | int* bzerror, | |
218 | FILE* f, | |
219 | int blockSize100k, | |
220 | int verbosity, | |
221 | int workFactor | |
222 | ); | |
223 | ||
224 | BZ_EXTERN void BZ_API(BZ2_bzWrite) ( | |
225 | int* bzerror, | |
226 | BZFILE* b, | |
227 | void* buf, | |
228 | int len | |
229 | ); | |
230 | ||
231 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( | |
232 | int* bzerror, | |
233 | BZFILE* b, | |
234 | int abandon, | |
235 | unsigned int* nbytes_in, | |
236 | unsigned int* nbytes_out | |
237 | ); | |
238 | ||
239 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( | |
240 | int* bzerror, | |
241 | BZFILE* b, | |
242 | int abandon, | |
243 | unsigned int* nbytes_in_lo32, | |
244 | unsigned int* nbytes_in_hi32, | |
245 | unsigned int* nbytes_out_lo32, | |
246 | unsigned int* nbytes_out_hi32 | |
247 | ); | |
248 | #endif | |
249 | ||
250 | ||
251 | /*-- Utility functions --*/ | |
252 | ||
253 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( | |
254 | char* dest, | |
255 | unsigned int* destLen, | |
256 | char* source, | |
257 | unsigned int sourceLen, | |
258 | int blockSize100k, | |
259 | int verbosity, | |
260 | int workFactor | |
261 | ); | |
262 | ||
263 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( | |
264 | char* dest, | |
265 | unsigned int* destLen, | |
266 | char* source, | |
267 | unsigned int sourceLen, | |
268 | int small, | |
269 | int verbosity | |
270 | ); | |
271 | ||
272 | ||
273 | /*-- | |
274 | Code contributed by Yoshioka Tsuneo | |
275 | ([email protected]/[email protected]), | |
276 | to support better zlib compatibility. | |
277 | This code is not _officially_ part of libbzip2 (yet); | |
278 | I haven't tested it, documented it, or considered the | |
279 | threading-safeness of it. | |
280 | If this code breaks, please contact both Yoshioka and me. | |
281 | --*/ | |
282 | ||
283 | BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( | |
284 | void | |
285 | ); | |
286 | ||
287 | #ifndef BZ_NO_STDIO | |
288 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( | |
289 | const char *path, | |
290 | const char *mode | |
291 | ); | |
292 | ||
293 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( | |
294 | int fd, | |
295 | const char *mode | |
296 | ); | |
297 | ||
298 | BZ_EXTERN int BZ_API(BZ2_bzread) ( | |
299 | BZFILE* b, | |
300 | void* buf, | |
301 | int len | |
302 | ); | |
303 | ||
304 | BZ_EXTERN int BZ_API(BZ2_bzwrite) ( | |
305 | BZFILE* b, | |
306 | void* buf, | |
307 | int len | |
308 | ); | |
309 | ||
310 | BZ_EXTERN int BZ_API(BZ2_bzflush) ( | |
311 | BZFILE* b | |
312 | ); | |
313 | ||
314 | BZ_EXTERN void BZ_API(BZ2_bzclose) ( | |
315 | BZFILE* b | |
316 | ); | |
317 | ||
318 | BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( | |
319 | BZFILE *b, | |
320 | int *errnum | |
321 | ); | |
322 | #endif | |
323 | ||
324 | #ifdef __cplusplus | |
325 | } | |
326 | #endif | |
327 | ||
328 | #endif | |
329 | ||
330 | /*-------------------------------------------------------------*/ | |
331 | /*--- end bzlib.h ---*/ | |
332 | /*-------------------------------------------------------------*/ |