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wdenkc29fdfc2003-08-29 20:57:53 +00001/*
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 jseward@acm.org
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
Simon Glasscf204522016-01-05 09:31:00 -070071
72#ifndef CONFIG_SANDBOX
wdenkc29fdfc2003-08-29 20:57:53 +000073#define BZ_NO_COMPRESS
Simon Glasscf204522016-01-05 09:31:00 -070074#endif
wdenkc29fdfc2003-08-29 20:57:53 +000075/* End of configuration for U-Boot environment */
76
77#ifdef __cplusplus
78extern "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
100typedef
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
147BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
148 bz_stream* strm,
149 int blockSize100k,
150 int verbosity,
151 int workFactor
152 );
153
154BZ_EXTERN int BZ_API(BZ2_bzCompress) (
155 bz_stream* strm,
156 int action
157 );
158
159BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
160 bz_stream* strm
161 );
162
163BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (
164 bz_stream *strm,
165 int verbosity,
166 int small
167 );
168
169BZ_EXTERN int BZ_API(BZ2_bzDecompress) (
170 bz_stream* strm
171 );
172
173BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (
174 bz_stream *strm
175 );
176
177
wdenkc29fdfc2003-08-29 20:57:53 +0000178/*-- 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
186typedef void BZFILE;
187
188BZ_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
197BZ_EXTERN void BZ_API(BZ2_bzReadClose) (
198 int* bzerror,
199 BZFILE* b
200 );
201
202BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (
203 int* bzerror,
204 BZFILE* b,
205 void** unused,
206 int* nUnused
207 );
208
209BZ_EXTERN int BZ_API(BZ2_bzRead) (
210 int* bzerror,
211 BZFILE* b,
212 void* buf,
213 int len
214 );
215
216BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) (
217 int* bzerror,
218 FILE* f,
219 int blockSize100k,
220 int verbosity,
221 int workFactor
222 );
223
224BZ_EXTERN void BZ_API(BZ2_bzWrite) (
225 int* bzerror,
226 BZFILE* b,
227 void* buf,
228 int len
229 );
230
231BZ_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
239BZ_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
253BZ_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
263BZ_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 (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp),
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
283BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (
284 void
285 );
286
287#ifndef BZ_NO_STDIO
288BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (
289 const char *path,
290 const char *mode
291 );
292
293BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (
294 int fd,
295 const char *mode
296 );
297
298BZ_EXTERN int BZ_API(BZ2_bzread) (
299 BZFILE* b,
300 void* buf,
301 int len
302 );
303
304BZ_EXTERN int BZ_API(BZ2_bzwrite) (
305 BZFILE* b,
306 void* buf,
307 int len
308 );
309
310BZ_EXTERN int BZ_API(BZ2_bzflush) (
311 BZFILE* b
312 );
313
314BZ_EXTERN void BZ_API(BZ2_bzclose) (
315 BZFILE* b
316 );
317
318BZ_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/*-------------------------------------------------------------*/