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bdb7fd9f RGS |
1 | |
2 | /*-------------------------------------------------------------*/ | |
3 | /*--- Public header file for the library. ---*/ | |
4 | /*--- bzlib.h ---*/ | |
5 | /*-------------------------------------------------------------*/ | |
6 | ||
7 | /* ------------------------------------------------------------------ | |
8 | This file is part of bzip2/libbzip2, a program and library for | |
9 | lossless, block-sorting data compression. | |
10 | ||
daec2498 CBW |
11 | bzip2/libbzip2 version 1.0.6 of 6 September 2010 |
12 | Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org> | |
bdb7fd9f RGS |
13 | |
14 | Please read the WARNING, DISCLAIMER and PATENTS sections in the | |
15 | README file. | |
16 | ||
17 | This program is released under the terms of the license contained | |
18 | in the file LICENSE. | |
19 | ------------------------------------------------------------------ */ | |
20 | ||
21 | ||
22 | #ifndef _BZLIB_H | |
23 | #define _BZLIB_H | |
24 | ||
25 | #ifdef __cplusplus | |
26 | extern "C" { | |
27 | #endif | |
28 | ||
29 | #define BZ_RUN 0 | |
30 | #define BZ_FLUSH 1 | |
31 | #define BZ_FINISH 2 | |
32 | ||
33 | #define BZ_OK 0 | |
34 | #define BZ_RUN_OK 1 | |
35 | #define BZ_FLUSH_OK 2 | |
36 | #define BZ_FINISH_OK 3 | |
37 | #define BZ_STREAM_END 4 | |
38 | #define BZ_SEQUENCE_ERROR (-1) | |
39 | #define BZ_PARAM_ERROR (-2) | |
40 | #define BZ_MEM_ERROR (-3) | |
41 | #define BZ_DATA_ERROR (-4) | |
42 | #define BZ_DATA_ERROR_MAGIC (-5) | |
43 | #define BZ_IO_ERROR (-6) | |
44 | #define BZ_UNEXPECTED_EOF (-7) | |
45 | #define BZ_OUTBUFF_FULL (-8) | |
46 | #define BZ_CONFIG_ERROR (-9) | |
47 | ||
48 | typedef | |
49 | struct { | |
50 | char *next_in; | |
51 | unsigned int avail_in; | |
52 | unsigned int total_in_lo32; | |
53 | unsigned int total_in_hi32; | |
54 | ||
55 | char *next_out; | |
56 | unsigned int avail_out; | |
57 | unsigned int total_out_lo32; | |
58 | unsigned int total_out_hi32; | |
59 | ||
60 | void *state; | |
61 | ||
62 | void *(*bzalloc)(void *,int,int); | |
63 | void (*bzfree)(void *,void *); | |
64 | void *opaque; | |
65 | } | |
66 | bz_stream; | |
67 | ||
68 | ||
69 | #ifndef BZ_IMPORT | |
70 | #define BZ_EXPORT | |
71 | #endif | |
72 | ||
73 | #ifndef BZ_NO_STDIO | |
74 | /* Need a definitition for FILE */ | |
75 | #include <stdio.h> | |
76 | #endif | |
77 | ||
78 | #ifdef _WIN32 | |
79 | # include <windows.h> | |
80 | # ifdef small | |
81 | /* windows.h define small to char */ | |
82 | # undef small | |
83 | # endif | |
84 | # ifdef BZ_EXPORT | |
85 | # define BZ_API(func) WINAPI func | |
86 | # define BZ_EXTERN extern | |
87 | # else | |
88 | /* import windows dll dynamically */ | |
89 | # define BZ_API(func) (WINAPI * func) | |
90 | # define BZ_EXTERN | |
91 | # endif | |
92 | #else | |
93 | # define BZ_API(func) func | |
94 | # define BZ_EXTERN extern | |
95 | #endif | |
96 | ||
97 | ||
98 | /*-- Core (low-level) library functions --*/ | |
99 | ||
100 | BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( | |
101 | bz_stream* strm, | |
102 | int blockSize100k, | |
103 | int verbosity, | |
104 | int workFactor | |
105 | ); | |
106 | ||
107 | BZ_EXTERN int BZ_API(BZ2_bzCompress) ( | |
108 | bz_stream* strm, | |
109 | int action | |
110 | ); | |
111 | ||
112 | BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( | |
113 | bz_stream* strm | |
114 | ); | |
115 | ||
116 | BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( | |
117 | bz_stream *strm, | |
118 | int verbosity, | |
119 | int small | |
120 | ); | |
121 | ||
122 | BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( | |
123 | bz_stream* strm | |
124 | ); | |
125 | ||
126 | BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( | |
127 | bz_stream *strm | |
128 | ); | |
129 | ||
130 | ||
131 | ||
132 | /*-- High(er) level library functions --*/ | |
133 | ||
134 | #ifndef BZ_NO_STDIO | |
135 | #define BZ_MAX_UNUSED 5000 | |
136 | ||
137 | typedef void BZFILE; | |
138 | ||
139 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( | |
140 | int* bzerror, | |
141 | FILE* f, | |
142 | int verbosity, | |
143 | int small, | |
144 | void* unused, | |
145 | int nUnused | |
146 | ); | |
147 | ||
148 | BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( | |
149 | int* bzerror, | |
150 | BZFILE* b | |
151 | ); | |
152 | ||
153 | BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( | |
154 | int* bzerror, | |
155 | BZFILE* b, | |
156 | void** unused, | |
157 | int* nUnused | |
158 | ); | |
159 | ||
160 | BZ_EXTERN int BZ_API(BZ2_bzRead) ( | |
161 | int* bzerror, | |
162 | BZFILE* b, | |
163 | void* buf, | |
164 | int len | |
165 | ); | |
166 | ||
167 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( | |
168 | int* bzerror, | |
169 | FILE* f, | |
170 | int blockSize100k, | |
171 | int verbosity, | |
172 | int workFactor | |
173 | ); | |
174 | ||
175 | BZ_EXTERN void BZ_API(BZ2_bzWrite) ( | |
176 | int* bzerror, | |
177 | BZFILE* b, | |
178 | void* buf, | |
179 | int len | |
180 | ); | |
181 | ||
182 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( | |
183 | int* bzerror, | |
184 | BZFILE* b, | |
185 | int abandon, | |
186 | unsigned int* nbytes_in, | |
187 | unsigned int* nbytes_out | |
188 | ); | |
189 | ||
190 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( | |
191 | int* bzerror, | |
192 | BZFILE* b, | |
193 | int abandon, | |
194 | unsigned int* nbytes_in_lo32, | |
195 | unsigned int* nbytes_in_hi32, | |
196 | unsigned int* nbytes_out_lo32, | |
197 | unsigned int* nbytes_out_hi32 | |
198 | ); | |
199 | #endif | |
200 | ||
201 | ||
202 | /*-- Utility functions --*/ | |
203 | ||
204 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( | |
205 | char* dest, | |
206 | unsigned int* destLen, | |
207 | char* source, | |
208 | unsigned int sourceLen, | |
209 | int blockSize100k, | |
210 | int verbosity, | |
211 | int workFactor | |
212 | ); | |
213 | ||
214 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( | |
215 | char* dest, | |
216 | unsigned int* destLen, | |
217 | char* source, | |
218 | unsigned int sourceLen, | |
219 | int small, | |
220 | int verbosity | |
221 | ); | |
222 | ||
223 | ||
224 | /*-- | |
225 | Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp) | |
226 | to support better zlib compatibility. | |
227 | This code is not _officially_ part of libbzip2 (yet); | |
228 | I haven't tested it, documented it, or considered the | |
229 | threading-safeness of it. | |
230 | If this code breaks, please contact both Yoshioka and me. | |
231 | --*/ | |
232 | ||
233 | BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( | |
234 | void | |
235 | ); | |
236 | ||
237 | #ifndef BZ_NO_STDIO | |
238 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( | |
239 | const char *path, | |
240 | const char *mode | |
241 | ); | |
242 | ||
243 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( | |
244 | int fd, | |
245 | const char *mode | |
246 | ); | |
247 | ||
248 | BZ_EXTERN int BZ_API(BZ2_bzread) ( | |
249 | BZFILE* b, | |
250 | void* buf, | |
251 | int len | |
252 | ); | |
253 | ||
254 | BZ_EXTERN int BZ_API(BZ2_bzwrite) ( | |
255 | BZFILE* b, | |
256 | void* buf, | |
257 | int len | |
258 | ); | |
259 | ||
260 | BZ_EXTERN int BZ_API(BZ2_bzflush) ( | |
261 | BZFILE* b | |
262 | ); | |
263 | ||
264 | BZ_EXTERN void BZ_API(BZ2_bzclose) ( | |
265 | BZFILE* b | |
266 | ); | |
267 | ||
268 | BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( | |
269 | BZFILE *b, | |
270 | int *errnum | |
271 | ); | |
272 | #endif | |
273 | ||
274 | #ifdef __cplusplus | |
275 | } | |
276 | #endif | |
277 | ||
278 | #endif | |
279 | ||
280 | /*-------------------------------------------------------------*/ | |
281 | /*--- end bzlib.h ---*/ | |
282 | /*-------------------------------------------------------------*/ |