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1/* unzip.h -- IO for uncompress .zip files using zlib
2 Version 1.1, February 14h, 2010
3 part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
4
5 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
6
7 Modifications of Unzip for Zip64
8 Copyright (C) 2007-2008 Even Rouault
9
10 Modifications for Zip64 support on both zip and unzip
11 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
12
13 For more info read MiniZip_info.txt
14
15 ---------------------------------------------------------------------------------
16
17 Condition of use and distribution are the same than zlib :
18
19 This software is provided 'as-is', without any express or implied
20 warranty. In no event will the authors be held liable for any damages
21 arising from the use of this software.
22
23 Permission is granted to anyone to use this software for any purpose,
24 including commercial applications, and to alter it and redistribute it
25 freely, subject to the following restrictions:
26
27 1. The origin of this software must not be misrepresented; you must not
28 claim that you wrote the original software. If you use this software
29 in a product, an acknowledgment in the product documentation would be
30 appreciated but is not required.
31 2. Altered source versions must be plainly marked as such, and must not be
32 misrepresented as being the original software.
33 3. This notice may not be removed or altered from any source distribution.
34
35 ---------------------------------------------------------------------------------
36
37 Changes
38
39 See header of unzip64.c
40
41*/
42
43#ifndef _unz64_H
44#define _unz64_H
45
46#ifdef __cplusplus
47extern "C" {
48#endif
49
50#ifndef _ZLIB_H
51#include "zlib.h"
52#endif
53
54#ifndef _ZLIBIOAPI_H
55#include "ioapi.h"
56#endif
57
58#ifdef HAVE_BZIP2
59#include "bzlib.h"
60#endif
61
62#define Z_BZIP2ED 12
63
64#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
65/* like the STRICT of WIN32, we define a pointer that cannot be converted
66 from (void*) without cast */
67typedef struct TagunzFile__ { int unused; } unzFile__;
68typedef unzFile__ *unzFile;
69#else
70typedef voidp unzFile;
71#endif
72
73
74#define UNZ_OK (0)
75#define UNZ_END_OF_LIST_OF_FILE (-100)
76#define UNZ_ERRNO (Z_ERRNO)
77#define UNZ_EOF (0)
78#define UNZ_PARAMERROR (-102)
79#define UNZ_BADZIPFILE (-103)
80#define UNZ_INTERNALERROR (-104)
81#define UNZ_CRCERROR (-105)
82
83/* tm_unz contain date/time info */
84typedef struct tm_unz_s
85{
86 uInt tm_sec; /* seconds after the minute - [0,59] */
87 uInt tm_min; /* minutes after the hour - [0,59] */
88 uInt tm_hour; /* hours since midnight - [0,23] */
89 uInt tm_mday; /* day of the month - [1,31] */
90 uInt tm_mon; /* months since January - [0,11] */
91 uInt tm_year; /* years - [1980..2044] */
92} tm_unz;
93
94/* unz_global_info structure contain global data about the ZIPfile
95 These data comes from the end of central dir */
96typedef struct unz_global_info64_s
97{
98 ZPOS64_T number_entry; /* total number of entries in
99 the central dir on this disk */
100 uLong size_comment; /* size of the global comment of the zipfile */
101} unz_global_info64;
102
103typedef struct unz_global_info_s
104{
105 uLong number_entry; /* total number of entries in
106 the central dir on this disk */
107 uLong size_comment; /* size of the global comment of the zipfile */
108} unz_global_info;
109
110/* unz_file_info contain information about a file in the zipfile */
111typedef struct unz_file_info64_s
112{
113 uLong version; /* version made by 2 bytes */
114 uLong version_needed; /* version needed to extract 2 bytes */
115 uLong flag; /* general purpose bit flag 2 bytes */
116 uLong compression_method; /* compression method 2 bytes */
117 uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
118 uLong crc; /* crc-32 4 bytes */
119 ZPOS64_T compressed_size; /* compressed size 8 bytes */
120 ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */
121 uLong size_filename; /* filename length 2 bytes */
122 uLong size_file_extra; /* extra field length 2 bytes */
123 uLong size_file_comment; /* file comment length 2 bytes */
124
125 uLong disk_num_start; /* disk number start 2 bytes */
126 uLong internal_fa; /* internal file attributes 2 bytes */
127 uLong external_fa; /* external file attributes 4 bytes */
128
129 tm_unz tmu_date;
130} unz_file_info64;
131
132typedef struct unz_file_info_s
133{
134 uLong version; /* version made by 2 bytes */
135 uLong version_needed; /* version needed to extract 2 bytes */
136 uLong flag; /* general purpose bit flag 2 bytes */
137 uLong compression_method; /* compression method 2 bytes */
138 uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
139 uLong crc; /* crc-32 4 bytes */
140 uLong compressed_size; /* compressed size 4 bytes */
141 uLong uncompressed_size; /* uncompressed size 4 bytes */
142 uLong size_filename; /* filename length 2 bytes */
143 uLong size_file_extra; /* extra field length 2 bytes */
144 uLong size_file_comment; /* file comment length 2 bytes */
145
146 uLong disk_num_start; /* disk number start 2 bytes */
147 uLong internal_fa; /* internal file attributes 2 bytes */
148 uLong external_fa; /* external file attributes 4 bytes */
149
150 tm_unz tmu_date;
151} unz_file_info;
152
153extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
154 const char* fileName2,
155 int iCaseSensitivity));
156/*
157 Compare two filename (fileName1,fileName2).
158 If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
159 If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
160 or strcasecmp)
161 If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
162 (like 1 on Unix, 2 on Windows)
163*/
164
165
166extern unzFile ZEXPORT unzOpen OF((const char *path));
167extern unzFile ZEXPORT unzOpen64 OF((const void *path));
168/*
169 Open a Zip file. path contain the full pathname (by example,
170 on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
171 "zlib/zlib113.zip".
172 If the zipfile cannot be opened (file don't exist or in not valid), the
173 return value is NULL.
174 Else, the return value is a unzFile Handle, usable with other function
175 of this unzip package.
176 the "64" function take a const void* pointer, because the path is just the
177 value passed to the open64_file_func callback.
178 Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
179 is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char*
180 does not describe the reality
181*/
182
183
184extern unzFile ZEXPORT unzOpen2 OF((const char *path,
185 zlib_filefunc_def* pzlib_filefunc_def));
186/*
187 Open a Zip file, like unzOpen, but provide a set of file low level API
188 for read/write the zip file (see ioapi.h)
189*/
190
191extern unzFile ZEXPORT unzOpen2_64 OF((const void *path,
192 zlib_filefunc64_def* pzlib_filefunc_def));
193/*
194 Open a Zip file, like unz64Open, but provide a set of file low level API
195 for read/write the zip file (see ioapi.h)
196*/
197
198extern int ZEXPORT unzClose OF((unzFile file));
199/*
200 Close a ZipFile opened with unzipOpen.
201 If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
202 these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
203 return UNZ_OK if there is no problem. */
204
205extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
206 unz_global_info *pglobal_info));
207
208extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file,
209 unz_global_info64 *pglobal_info));
210/*
211 Write info about the ZipFile in the *pglobal_info structure.
212 No preparation of the structure is needed
213 return UNZ_OK if there is no problem. */
214
215
216extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
217 char *szComment,
218 uLong uSizeBuf));
219/*
220 Get the global comment string of the ZipFile, in the szComment buffer.
221 uSizeBuf is the size of the szComment buffer.
222 return the number of byte copied or an error code <0
223*/
224
225
226/***************************************************************************/
227/* Unzip package allow you browse the directory of the zipfile */
228
229extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
230/*
231 Set the current file of the zipfile to the first file.
232 return UNZ_OK if there is no problem
233*/
234
235extern int ZEXPORT unzGoToNextFile OF((unzFile file));
236/*
237 Set the current file of the zipfile to the next file.
238 return UNZ_OK if there is no problem
239 return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
240*/
241
242extern int ZEXPORT unzLocateFile OF((unzFile file,
243 const char *szFileName,
244 int iCaseSensitivity));
245/*
246 Try locate the file szFileName in the zipfile.
247 For the iCaseSensitivity signification, see unzStringFileNameCompare
248
249 return value :
250 UNZ_OK if the file is found. It becomes the current file.
251 UNZ_END_OF_LIST_OF_FILE if the file is not found
252*/
253
254
255/* ****************************************** */
256/* Ryan supplied functions */
257/* unz_file_info contain information about a file in the zipfile */
258typedef struct unz_file_pos_s
259{
260 uLong pos_in_zip_directory; /* offset in zip file directory */
261 uLong num_of_file; /* # of file */
262} unz_file_pos;
263
264extern int ZEXPORT unzGetFilePos(
265 unzFile file,
266 unz_file_pos* file_pos);
267
268extern int ZEXPORT unzGoToFilePos(
269 unzFile file,
270 unz_file_pos* file_pos);
271
272typedef struct unz64_file_pos_s
273{
274 ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */
275 ZPOS64_T num_of_file; /* # of file */
276} unz64_file_pos;
277
278extern int ZEXPORT unzGetFilePos64(
279 unzFile file,
280 unz64_file_pos* file_pos);
281
282extern int ZEXPORT unzGoToFilePos64(
283 unzFile file,
284 const unz64_file_pos* file_pos);
285
286/* ****************************************** */
287
288extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file,
289 unz_file_info64 *pfile_info,
290 char *szFileName,
291 uLong fileNameBufferSize,
292 void *extraField,
293 uLong extraFieldBufferSize,
294 char *szComment,
295 uLong commentBufferSize));
296
297extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
298 unz_file_info *pfile_info,
299 char *szFileName,
300 uLong fileNameBufferSize,
301 void *extraField,
302 uLong extraFieldBufferSize,
303 char *szComment,
304 uLong commentBufferSize));
305/*
306 Get Info about the current file
307 if pfile_info!=NULL, the *pfile_info structure will contain somes info about
308 the current file
309 if szFileName!=NULL, the filemane string will be copied in szFileName
310 (fileNameBufferSize is the size of the buffer)
311 if extraField!=NULL, the extra field information will be copied in extraField
312 (extraFieldBufferSize is the size of the buffer).
313 This is the Central-header version of the extra field
314 if szComment!=NULL, the comment string of the file will be copied in szComment
315 (commentBufferSize is the size of the buffer)
316*/
317
318
319/** Addition for GDAL : START */
320
321extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
322
323/** Addition for GDAL : END */
324
325
326/***************************************************************************/
327/* for reading the content of the current zipfile, you can open it, read data
328 from it, and close it (you can close it before reading all the file)
329 */
330
331extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
332/*
333 Open for reading data the current file in the zipfile.
334 If there is no error, the return value is UNZ_OK.
335*/
336
337extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
338 const char* password));
339/*
340 Open for reading data the current file in the zipfile.
341 password is a crypting password
342 If there is no error, the return value is UNZ_OK.
343*/
344
345extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
346 int* method,
347 int* level,
348 int raw));
349/*
350 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
351 if raw==1
352 *method will receive method of compression, *level will receive level of
353 compression
354 note : you can set level parameter as NULL (if you did not want known level,
355 but you CANNOT set method parameter as NULL
356*/
357
358extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
359 int* method,
360 int* level,
361 int raw,
362 const char* password));
363/*
364 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
365 if raw==1
366 *method will receive method of compression, *level will receive level of
367 compression
368 note : you can set level parameter as NULL (if you did not want known level,
369 but you CANNOT set method parameter as NULL
370*/
371
372
373extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
374/*
375 Close the file in zip opened with unzOpenCurrentFile
376 Return UNZ_CRCERROR if all the file was read but the CRC is not good
377*/
378
379extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
380 voidp buf,
381 unsigned len));
382/*
383 Read bytes from the current file (opened by unzOpenCurrentFile)
384 buf contain buffer where data must be copied
385 len the size of buf.
386
387 return the number of byte copied if somes bytes are copied
388 return 0 if the end of file was reached
389 return <0 with error code if there is an error
390 (UNZ_ERRNO for IO error, or zLib error for uncompress error)
391*/
392
393extern z_off_t ZEXPORT unztell OF((unzFile file));
394
395extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file));
396/*
397 Give the current position in uncompressed data
398*/
399
400extern int ZEXPORT unzeof OF((unzFile file));
401/*
402 return 1 if the end of file was reached, 0 elsewhere
403*/
404
405extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
406 voidp buf,
407 unsigned len));
408/*
409 Read extra field from the current file (opened by unzOpenCurrentFile)
410 This is the local-header version of the extra field (sometimes, there is
411 more info in the local-header version than in the central-header)
412
413 if buf==NULL, it return the size of the local extra field
414
415 if buf!=NULL, len is the size of the buffer, the extra header is copied in
416 buf.
417 the return value is the number of bytes copied in buf, or (if <0)
418 the error code
419*/
420
421/***************************************************************************/
422
423/* Get the current file offset */
424extern ZPOS64_T ZEXPORT unzGetOffset64 (unzFile file);
425extern uLong ZEXPORT unzGetOffset (unzFile file);
426
427/* Set the current file offset */
428extern int ZEXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos);
429extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
430
431
432
433#ifdef __cplusplus
434}
435#endif
436
437#endif /* _unz64_H */
ARM optimized PCSX fork