root / lab4 / .minix-src / include / bzlib.h @ 13
History | View | Annotate | Download (6.16 KB)
1 | 13 | up20180614 | /* $NetBSD: bzlib.h,v 1.1.1.2 2012/05/07 00:41:46 wiz Exp $ */
|
---|---|---|---|
2 | |||
3 | |||
4 | /*-------------------------------------------------------------*/
|
||
5 | /*--- Public header file for the library. ---*/
|
||
6 | /*--- bzlib.h ---*/
|
||
7 | /*-------------------------------------------------------------*/
|
||
8 | |||
9 | /* ------------------------------------------------------------------
|
||
10 | This file is part of bzip2/libbzip2, a program and library for
|
||
11 | lossless, block-sorting data compression.
|
||
12 | |||
13 | bzip2/libbzip2 version 1.0.6 of 6 September 2010
|
||
14 | Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
|
||
15 | |||
16 | Please read the WARNING, DISCLAIMER and PATENTS sections in the
|
||
17 | README file.
|
||
18 | |||
19 | This program is released under the terms of the license contained
|
||
20 | in the file LICENSE.
|
||
21 | ------------------------------------------------------------------ */
|
||
22 | |||
23 | |||
24 | #ifndef _BZLIB_H
|
||
25 | #define _BZLIB_H
|
||
26 | |||
27 | #ifdef __cplusplus
|
||
28 | extern "C" { |
||
29 | #endif
|
||
30 | |||
31 | #define BZ_RUN 0 |
||
32 | #define BZ_FLUSH 1 |
||
33 | #define BZ_FINISH 2 |
||
34 | |||
35 | #define BZ_OK 0 |
||
36 | #define BZ_RUN_OK 1 |
||
37 | #define BZ_FLUSH_OK 2 |
||
38 | #define BZ_FINISH_OK 3 |
||
39 | #define BZ_STREAM_END 4 |
||
40 | #define BZ_SEQUENCE_ERROR (-1) |
||
41 | #define BZ_PARAM_ERROR (-2) |
||
42 | #define BZ_MEM_ERROR (-3) |
||
43 | #define BZ_DATA_ERROR (-4) |
||
44 | #define BZ_DATA_ERROR_MAGIC (-5) |
||
45 | #define BZ_IO_ERROR (-6) |
||
46 | #define BZ_UNEXPECTED_EOF (-7) |
||
47 | #define BZ_OUTBUFF_FULL (-8) |
||
48 | #define BZ_CONFIG_ERROR (-9) |
||
49 | |||
50 | typedef
|
||
51 | struct {
|
||
52 | char *next_in;
|
||
53 | unsigned int avail_in; |
||
54 | unsigned int total_in_lo32; |
||
55 | unsigned int total_in_hi32; |
||
56 | |||
57 | char *next_out;
|
||
58 | unsigned int avail_out; |
||
59 | unsigned int total_out_lo32; |
||
60 | unsigned int total_out_hi32; |
||
61 | |||
62 | void *state;
|
||
63 | |||
64 | void *(*bzalloc)(void *,int,int); |
||
65 | void (*bzfree)(void *,void *); |
||
66 | void *opaque;
|
||
67 | } |
||
68 | bz_stream; |
||
69 | |||
70 | |||
71 | #ifndef BZ_IMPORT
|
||
72 | #define BZ_EXPORT
|
||
73 | #endif
|
||
74 | |||
75 | #ifndef BZ_NO_STDIO
|
||
76 | /* Need a definitition for FILE */
|
||
77 | #include <stdio.h> |
||
78 | #endif
|
||
79 | |||
80 | #ifdef _WIN32
|
||
81 | # include <windows.h> |
||
82 | # ifdef small
|
||
83 | /* windows.h define small to char */
|
||
84 | # undef small
|
||
85 | # endif
|
||
86 | # ifdef BZ_EXPORT
|
||
87 | # define BZ_API(func) WINAPI func
|
||
88 | # define BZ_EXTERN extern |
||
89 | # else
|
||
90 | /* import windows dll dynamically */
|
||
91 | # define BZ_API(func) (WINAPI * func)
|
||
92 | # define BZ_EXTERN
|
||
93 | # endif
|
||
94 | #else
|
||
95 | # define BZ_API(func) func
|
||
96 | # define BZ_EXTERN extern |
||
97 | #endif
|
||
98 | |||
99 | |||
100 | /*-- Core (low-level) library functions --*/
|
||
101 | |||
102 | BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
|
||
103 | bz_stream* strm, |
||
104 | int blockSize100k,
|
||
105 | int verbosity,
|
||
106 | int workFactor
|
||
107 | ); |
||
108 | |||
109 | BZ_EXTERN int BZ_API(BZ2_bzCompress) (
|
||
110 | bz_stream* strm, |
||
111 | int action
|
||
112 | ); |
||
113 | |||
114 | BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
|
||
115 | bz_stream* strm |
||
116 | ); |
||
117 | |||
118 | BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (
|
||
119 | bz_stream *strm, |
||
120 | int verbosity,
|
||
121 | int small
|
||
122 | ); |
||
123 | |||
124 | BZ_EXTERN int BZ_API(BZ2_bzDecompress) (
|
||
125 | bz_stream* strm |
||
126 | ); |
||
127 | |||
128 | BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (
|
||
129 | bz_stream *strm |
||
130 | ); |
||
131 | |||
132 | |||
133 | |||
134 | /*-- High(er) level library functions --*/
|
||
135 | |||
136 | #ifndef BZ_NO_STDIO
|
||
137 | #define BZ_MAX_UNUSED 5000 |
||
138 | |||
139 | typedef void BZFILE; |
||
140 | |||
141 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( |
||
142 | int* bzerror,
|
||
143 | FILE* f, |
||
144 | int verbosity,
|
||
145 | int small,
|
||
146 | void* unused,
|
||
147 | int nUnused
|
||
148 | ); |
||
149 | |||
150 | BZ_EXTERN void BZ_API(BZ2_bzReadClose) (
|
||
151 | int* bzerror,
|
||
152 | BZFILE* b |
||
153 | ); |
||
154 | |||
155 | BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (
|
||
156 | int* bzerror,
|
||
157 | BZFILE* b, |
||
158 | void** unused,
|
||
159 | int* nUnused
|
||
160 | ); |
||
161 | |||
162 | BZ_EXTERN int BZ_API(BZ2_bzRead) (
|
||
163 | int* bzerror,
|
||
164 | BZFILE* b, |
||
165 | void* buf,
|
||
166 | int len
|
||
167 | ); |
||
168 | |||
169 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( |
||
170 | int* bzerror,
|
||
171 | FILE* f, |
||
172 | int blockSize100k,
|
||
173 | int verbosity,
|
||
174 | int workFactor
|
||
175 | ); |
||
176 | |||
177 | BZ_EXTERN void BZ_API(BZ2_bzWrite) (
|
||
178 | int* bzerror,
|
||
179 | BZFILE* b, |
||
180 | void* buf,
|
||
181 | int len
|
||
182 | ); |
||
183 | |||
184 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose) (
|
||
185 | int* bzerror,
|
||
186 | BZFILE* b, |
||
187 | int abandon,
|
||
188 | unsigned int* nbytes_in, |
||
189 | unsigned int* nbytes_out |
||
190 | ); |
||
191 | |||
192 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) (
|
||
193 | int* bzerror,
|
||
194 | BZFILE* b, |
||
195 | int abandon,
|
||
196 | unsigned int* nbytes_in_lo32, |
||
197 | unsigned int* nbytes_in_hi32, |
||
198 | unsigned int* nbytes_out_lo32, |
||
199 | unsigned int* nbytes_out_hi32 |
||
200 | ); |
||
201 | #endif
|
||
202 | |||
203 | |||
204 | /*-- Utility functions --*/
|
||
205 | |||
206 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) (
|
||
207 | char* dest,
|
||
208 | unsigned int* destLen, |
||
209 | char* source,
|
||
210 | unsigned int sourceLen, |
||
211 | int blockSize100k,
|
||
212 | int verbosity,
|
||
213 | int workFactor
|
||
214 | ); |
||
215 | |||
216 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) (
|
||
217 | char* dest,
|
||
218 | unsigned int* destLen, |
||
219 | char* source,
|
||
220 | unsigned int sourceLen, |
||
221 | int small,
|
||
222 | int verbosity
|
||
223 | ); |
||
224 | |||
225 | |||
226 | /*--
|
||
227 | Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
|
||
228 | to support better zlib compatibility.
|
||
229 | This code is not _officially_ part of libbzip2 (yet);
|
||
230 | I haven't tested it, documented it, or considered the
|
||
231 | threading-safeness of it.
|
||
232 | If this code breaks, please contact both Yoshioka and me.
|
||
233 | --*/
|
||
234 | |||
235 | BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( |
||
236 | void
|
||
237 | ); |
||
238 | |||
239 | #ifndef BZ_NO_STDIO
|
||
240 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( |
||
241 | const char *path, |
||
242 | const char *mode |
||
243 | ); |
||
244 | |||
245 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( |
||
246 | int fd,
|
||
247 | const char *mode |
||
248 | ); |
||
249 | |||
250 | BZ_EXTERN int BZ_API(BZ2_bzread) (
|
||
251 | BZFILE* b, |
||
252 | void* buf,
|
||
253 | int len
|
||
254 | ); |
||
255 | |||
256 | BZ_EXTERN int BZ_API(BZ2_bzwrite) (
|
||
257 | BZFILE* b, |
||
258 | void* buf,
|
||
259 | int len
|
||
260 | ); |
||
261 | |||
262 | BZ_EXTERN int BZ_API(BZ2_bzflush) (
|
||
263 | BZFILE* b |
||
264 | ); |
||
265 | |||
266 | BZ_EXTERN void BZ_API(BZ2_bzclose) (
|
||
267 | BZFILE* b |
||
268 | ); |
||
269 | |||
270 | BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( |
||
271 | BZFILE *b, |
||
272 | int *errnum
|
||
273 | ); |
||
274 | #endif
|
||
275 | |||
276 | #ifdef __cplusplus
|
||
277 | } |
||
278 | #endif
|
||
279 | |||
280 | #endif
|
||
281 | |||
282 | /*-------------------------------------------------------------*/
|
||
283 | /*--- end bzlib.h ---*/
|
||
284 | /*-------------------------------------------------------------*/ |