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authorMark Adler <madler@alumni.caltech.edu>2011-09-09 23:22:37 -0700
committerMark Adler <madler@alumni.caltech.edu>2011-09-09 23:22:37 -0700
commit4b5a43a219d51066c01ff2ab86af18b967f2d0dd (patch)
tree4dcaf0cd18751d04cf638a9a6ec521990d4f2e90 /contrib/minizip/unzip.h
parent086e982175da84b3db958191031380794315f95f (diff)
downloadzlib-1.2.0.5.tar.gz
zlib-1.2.0.5.tar.bz2
zlib-1.2.0.5.zip
zlib 1.2.0.5v1.2.0.5
Diffstat (limited to 'contrib/minizip/unzip.h')
-rw-r--r--contrib/minizip/unzip.h684
1 files changed, 342 insertions, 342 deletions
diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h
index 48e6832..4c2f5e1 100644
--- a/contrib/minizip/unzip.h
+++ b/contrib/minizip/unzip.h
@@ -1,342 +1,342 @@
1/* unzip.h -- IO for uncompress .zip files using zlib 1/* unzip.h -- IO for uncompress .zip files using zlib
2 Version 0.22, May 19th, 2003 2 Version 0.22, May 19th, 2003
3 3
4 Copyright (C) 1998-2003 Gilles Vollant 4 Copyright (C) 1998-2003 Gilles Vollant
5 5
6 This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g 6 This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
7 WinZip, InfoZip tools and compatible. 7 WinZip, InfoZip tools and compatible.
8 Encryption and multi volume ZipFile (span) are not supported. 8 Encryption and multi volume ZipFile (span) are not supported.
9 Old compressions used by old PKZip 1.x are not supported 9 Old compressions used by old PKZip 1.x are not supported
10 10
11 11
12 I WAIT FEEDBACK at mail info@winimage.com 12 I WAIT FEEDBACK at mail info@winimage.com
13 Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution 13 Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
14 14
15 Condition of use and distribution are the same than zlib : 15 Condition of use and distribution are the same than zlib :
16 16
17 This software is provided 'as-is', without any express or implied 17 This software is provided 'as-is', without any express or implied
18 warranty. In no event will the authors be held liable for any damages 18 warranty. In no event will the authors be held liable for any damages
19 arising from the use of this software. 19 arising from the use of this software.
20 20
21 Permission is granted to anyone to use this software for any purpose, 21 Permission is granted to anyone to use this software for any purpose,
22 including commercial applications, and to alter it and redistribute it 22 including commercial applications, and to alter it and redistribute it
23 freely, subject to the following restrictions: 23 freely, subject to the following restrictions:
24 24
25 1. The origin of this software must not be misrepresented; you must not 25 1. The origin of this software must not be misrepresented; you must not
26 claim that you wrote the original software. If you use this software 26 claim that you wrote the original software. If you use this software
27 in a product, an acknowledgment in the product documentation would be 27 in a product, an acknowledgment in the product documentation would be
28 appreciated but is not required. 28 appreciated but is not required.
29 2. Altered source versions must be plainly marked as such, and must not be 29 2. Altered source versions must be plainly marked as such, and must not be
30 misrepresented as being the original software. 30 misrepresented as being the original software.
31 3. This notice may not be removed or altered from any source distribution. 31 3. This notice may not be removed or altered from any source distribution.
32 32
33 33
34*/ 34*/
35 35
36/* for more info about .ZIP format, see 36/* for more info about .ZIP format, see
37 http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip 37 http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
38 http://www.info-zip.org/pub/infozip/doc/ 38 http://www.info-zip.org/pub/infozip/doc/
39 PkWare has also a specification at : 39 PkWare has also a specification at :
40 ftp://ftp.pkware.com/probdesc.zip 40 ftp://ftp.pkware.com/probdesc.zip
41*/ 41*/
42 42
43#ifndef _unz_H 43#ifndef _unz_H
44#define _unz_H 44#define _unz_H
45 45
46#ifdef __cplusplus 46#ifdef __cplusplus
47extern "C" { 47extern "C" {
48#endif 48#endif
49 49
50#ifndef _ZLIB_H 50#ifndef _ZLIB_H
51#include "zlib.h" 51#include "zlib.h"
52#endif 52#endif
53 53
54#ifndef _ZLIBIOAPI_H 54#ifndef _ZLIBIOAPI_H
55#include "ioapi.h" 55#include "ioapi.h"
56#endif 56#endif
57 57
58#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) 58#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
59/* like the STRICT of WIN32, we define a pointer that cannot be converted 59/* like the STRICT of WIN32, we define a pointer that cannot be converted
60 from (void*) without cast */ 60 from (void*) without cast */
61typedef struct TagunzFile__ { int unused; } unzFile__; 61typedef struct TagunzFile__ { int unused; } unzFile__;
62typedef unzFile__ *unzFile; 62typedef unzFile__ *unzFile;
63#else 63#else
64typedef voidp unzFile; 64typedef voidp unzFile;
65#endif 65#endif
66 66
67 67
68#define UNZ_OK (0) 68#define UNZ_OK (0)
69#define UNZ_END_OF_LIST_OF_FILE (-100) 69#define UNZ_END_OF_LIST_OF_FILE (-100)
70#define UNZ_ERRNO (Z_ERRNO) 70#define UNZ_ERRNO (Z_ERRNO)
71#define UNZ_EOF (0) 71#define UNZ_EOF (0)
72#define UNZ_PARAMERROR (-102) 72#define UNZ_PARAMERROR (-102)
73#define UNZ_BADZIPFILE (-103) 73#define UNZ_BADZIPFILE (-103)
74#define UNZ_INTERNALERROR (-104) 74#define UNZ_INTERNALERROR (-104)
75#define UNZ_CRCERROR (-105) 75#define UNZ_CRCERROR (-105)
76 76
77/* tm_unz contain date/time info */ 77/* tm_unz contain date/time info */
78typedef struct tm_unz_s 78typedef struct tm_unz_s
79{ 79{
80 uInt tm_sec; /* seconds after the minute - [0,59] */ 80 uInt tm_sec; /* seconds after the minute - [0,59] */
81 uInt tm_min; /* minutes after the hour - [0,59] */ 81 uInt tm_min; /* minutes after the hour - [0,59] */
82 uInt tm_hour; /* hours since midnight - [0,23] */ 82 uInt tm_hour; /* hours since midnight - [0,23] */
83 uInt tm_mday; /* day of the month - [1,31] */ 83 uInt tm_mday; /* day of the month - [1,31] */
84 uInt tm_mon; /* months since January - [0,11] */ 84 uInt tm_mon; /* months since January - [0,11] */
85 uInt tm_year; /* years - [1980..2044] */ 85 uInt tm_year; /* years - [1980..2044] */
86} tm_unz; 86} tm_unz;
87 87
88/* unz_global_info structure contain global data about the ZIPfile 88/* unz_global_info structure contain global data about the ZIPfile
89 These data comes from the end of central dir */ 89 These data comes from the end of central dir */
90typedef struct unz_global_info_s 90typedef struct unz_global_info_s
91{ 91{
92 uLong number_entry; /* total number of entries in 92 uLong number_entry; /* total number of entries in
93 the central dir on this disk */ 93 the central dir on this disk */
94 uLong size_comment; /* size of the global comment of the zipfile */ 94 uLong size_comment; /* size of the global comment of the zipfile */
95} unz_global_info; 95} unz_global_info;
96 96
97 97
98/* unz_file_info contain information about a file in the zipfile */ 98/* unz_file_info contain information about a file in the zipfile */
99typedef struct unz_file_info_s 99typedef struct unz_file_info_s
100{ 100{
101 uLong version; /* version made by 2 bytes */ 101 uLong version; /* version made by 2 bytes */
102 uLong version_needed; /* version needed to extract 2 bytes */ 102 uLong version_needed; /* version needed to extract 2 bytes */
103 uLong flag; /* general purpose bit flag 2 bytes */ 103 uLong flag; /* general purpose bit flag 2 bytes */
104 uLong compression_method; /* compression method 2 bytes */ 104 uLong compression_method; /* compression method 2 bytes */
105 uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ 105 uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
106 uLong crc; /* crc-32 4 bytes */ 106 uLong crc; /* crc-32 4 bytes */
107 uLong compressed_size; /* compressed size 4 bytes */ 107 uLong compressed_size; /* compressed size 4 bytes */
108 uLong uncompressed_size; /* uncompressed size 4 bytes */ 108 uLong uncompressed_size; /* uncompressed size 4 bytes */
109 uLong size_filename; /* filename length 2 bytes */ 109 uLong size_filename; /* filename length 2 bytes */
110 uLong size_file_extra; /* extra field length 2 bytes */ 110 uLong size_file_extra; /* extra field length 2 bytes */
111 uLong size_file_comment; /* file comment length 2 bytes */ 111 uLong size_file_comment; /* file comment length 2 bytes */
112 112
113 uLong disk_num_start; /* disk number start 2 bytes */ 113 uLong disk_num_start; /* disk number start 2 bytes */
114 uLong internal_fa; /* internal file attributes 2 bytes */ 114 uLong internal_fa; /* internal file attributes 2 bytes */
115 uLong external_fa; /* external file attributes 4 bytes */ 115 uLong external_fa; /* external file attributes 4 bytes */
116 116
117 tm_unz tmu_date; 117 tm_unz tmu_date;
118} unz_file_info; 118} unz_file_info;
119 119
120extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, 120extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
121 const char* fileName2, 121 const char* fileName2,
122 int iCaseSensitivity)); 122 int iCaseSensitivity));
123/* 123/*
124 Compare two filename (fileName1,fileName2). 124 Compare two filename (fileName1,fileName2).
125 If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) 125 If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
126 If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi 126 If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
127 or strcasecmp) 127 or strcasecmp)
128 If iCaseSenisivity = 0, case sensitivity is defaut of your operating system 128 If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
129 (like 1 on Unix, 2 on Windows) 129 (like 1 on Unix, 2 on Windows)
130*/ 130*/
131 131
132 132
133extern unzFile ZEXPORT unzOpen OF((const char *path)); 133extern unzFile ZEXPORT unzOpen OF((const char *path));
134/* 134/*
135 Open a Zip file. path contain the full pathname (by example, 135 Open a Zip file. path contain the full pathname (by example,
136 on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer 136 on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
137 "zlib/zlib113.zip". 137 "zlib/zlib113.zip".
138 If the zipfile cannot be opened (file don't exist or in not valid), the 138 If the zipfile cannot be opened (file don't exist or in not valid), the
139 return value is NULL. 139 return value is NULL.
140 Else, the return value is a unzFile Handle, usable with other function 140 Else, the return value is a unzFile Handle, usable with other function
141 of this unzip package. 141 of this unzip package.
142*/ 142*/
143 143
144extern unzFile ZEXPORT unzOpen2 OF((const char *path, 144extern unzFile ZEXPORT unzOpen2 OF((const char *path,
145 zlib_filefunc_def* pzlib_filefunc_def)); 145 zlib_filefunc_def* pzlib_filefunc_def));
146/* 146/*
147 Open a Zip file, like unzOpen, but provide a set of file low level API 147 Open a Zip file, like unzOpen, but provide a set of file low level API
148 for read/write the zip file (see ioapi.h) 148 for read/write the zip file (see ioapi.h)
149*/ 149*/
150 150
151extern int ZEXPORT unzClose OF((unzFile file)); 151extern int ZEXPORT unzClose OF((unzFile file));
152/* 152/*
153 Close a ZipFile opened with unzipOpen. 153 Close a ZipFile opened with unzipOpen.
154 If there is files inside the .Zip opened with unzOpenCurrentFile (see later), 154 If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
155 these files MUST be closed with unzipCloseCurrentFile before call unzipClose. 155 these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
156 return UNZ_OK if there is no problem. */ 156 return UNZ_OK if there is no problem. */
157 157
158extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, 158extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
159 unz_global_info *pglobal_info)); 159 unz_global_info *pglobal_info));
160/* 160/*
161 Write info about the ZipFile in the *pglobal_info structure. 161 Write info about the ZipFile in the *pglobal_info structure.
162 No preparation of the structure is needed 162 No preparation of the structure is needed
163 return UNZ_OK if there is no problem. */ 163 return UNZ_OK if there is no problem. */
164 164
165 165
166extern int ZEXPORT unzGetGlobalComment OF((unzFile file, 166extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
167 char *szComment, 167 char *szComment,
168 uLong uSizeBuf)); 168 uLong uSizeBuf));
169/* 169/*
170 Get the global comment string of the ZipFile, in the szComment buffer. 170 Get the global comment string of the ZipFile, in the szComment buffer.
171 uSizeBuf is the size of the szComment buffer. 171 uSizeBuf is the size of the szComment buffer.
172 return the number of byte copied or an error code <0 172 return the number of byte copied or an error code <0
173*/ 173*/
174 174
175 175
176/***************************************************************************/ 176/***************************************************************************/
177/* Unzip package allow you browse the directory of the zipfile */ 177/* Unzip package allow you browse the directory of the zipfile */
178 178
179extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); 179extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
180/* 180/*
181 Set the current file of the zipfile to the first file. 181 Set the current file of the zipfile to the first file.
182 return UNZ_OK if there is no problem 182 return UNZ_OK if there is no problem
183*/ 183*/
184 184
185extern int ZEXPORT unzGoToNextFile OF((unzFile file)); 185extern int ZEXPORT unzGoToNextFile OF((unzFile file));
186/* 186/*
187 Set the current file of the zipfile to the next file. 187 Set the current file of the zipfile to the next file.
188 return UNZ_OK if there is no problem 188 return UNZ_OK if there is no problem
189 return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. 189 return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
190*/ 190*/
191 191
192extern int ZEXPORT unzLocateFile OF((unzFile file, 192extern int ZEXPORT unzLocateFile OF((unzFile file,
193 const char *szFileName, 193 const char *szFileName,
194 int iCaseSensitivity)); 194 int iCaseSensitivity));
195/* 195/*
196 Try locate the file szFileName in the zipfile. 196 Try locate the file szFileName in the zipfile.
197 For the iCaseSensitivity signification, see unzStringFileNameCompare 197 For the iCaseSensitivity signification, see unzStringFileNameCompare
198 198
199 return value : 199 return value :
200 UNZ_OK if the file is found. It becomes the current file. 200 UNZ_OK if the file is found. It becomes the current file.
201 UNZ_END_OF_LIST_OF_FILE if the file is not found 201 UNZ_END_OF_LIST_OF_FILE if the file is not found
202*/ 202*/
203 203
204 204
205/* ****************************************** */ 205/* ****************************************** */
206/* Ryan supplied functions */ 206/* Ryan supplied functions */
207/* unz_file_info contain information about a file in the zipfile */ 207/* unz_file_info contain information about a file in the zipfile */
208typedef struct unz_file_pos_s 208typedef struct unz_file_pos_s
209{ 209{
210 uLong pos_in_zip_directory; /* offset in zip file directory */ 210 uLong pos_in_zip_directory; /* offset in zip file directory */
211 uLong num_of_file; /* # of file */ 211 uLong num_of_file; /* # of file */
212} unz_file_pos; 212} unz_file_pos;
213 213
214extern int ZEXPORT unzGetFilePos( 214extern int ZEXPORT unzGetFilePos(
215 unzFile file, 215 unzFile file,
216 unz_file_pos* file_pos); 216 unz_file_pos* file_pos);
217 217
218extern int ZEXPORT unzGoToFilePos( 218extern int ZEXPORT unzGoToFilePos(
219 unzFile file, 219 unzFile file,
220 unz_file_pos* file_pos); 220 unz_file_pos* file_pos);
221 221
222/* ****************************************** */ 222/* ****************************************** */
223 223
224extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, 224extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
225 unz_file_info *pfile_info, 225 unz_file_info *pfile_info,
226 char *szFileName, 226 char *szFileName,
227 uLong fileNameBufferSize, 227 uLong fileNameBufferSize,
228 void *extraField, 228 void *extraField,
229 uLong extraFieldBufferSize, 229 uLong extraFieldBufferSize,
230 char *szComment, 230 char *szComment,
231 uLong commentBufferSize)); 231 uLong commentBufferSize));
232/* 232/*
233 Get Info about the current file 233 Get Info about the current file
234 if pfile_info!=NULL, the *pfile_info structure will contain somes info about 234 if pfile_info!=NULL, the *pfile_info structure will contain somes info about
235 the current file 235 the current file
236 if szFileName!=NULL, the filemane string will be copied in szFileName 236 if szFileName!=NULL, the filemane string will be copied in szFileName
237 (fileNameBufferSize is the size of the buffer) 237 (fileNameBufferSize is the size of the buffer)
238 if extraField!=NULL, the extra field information will be copied in extraField 238 if extraField!=NULL, the extra field information will be copied in extraField
239 (extraFieldBufferSize is the size of the buffer). 239 (extraFieldBufferSize is the size of the buffer).
240 This is the Central-header version of the extra field 240 This is the Central-header version of the extra field
241 if szComment!=NULL, the comment string of the file will be copied in szComment 241 if szComment!=NULL, the comment string of the file will be copied in szComment
242 (commentBufferSize is the size of the buffer) 242 (commentBufferSize is the size of the buffer)
243*/ 243*/
244 244
245/***************************************************************************/ 245/***************************************************************************/
246/* for reading the content of the current zipfile, you can open it, read data 246/* for reading the content of the current zipfile, you can open it, read data
247 from it, and close it (you can close it before reading all the file) 247 from it, and close it (you can close it before reading all the file)
248 */ 248 */
249 249
250extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); 250extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
251/* 251/*
252 Open for reading data the current file in the zipfile. 252 Open for reading data the current file in the zipfile.
253 If there is no error, the return value is UNZ_OK. 253 If there is no error, the return value is UNZ_OK.
254*/ 254*/
255 255
256extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, 256extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
257 const char* password)); 257 const char* password));
258/* 258/*
259 Open for reading data the current file in the zipfile. 259 Open for reading data the current file in the zipfile.
260 password is a crypting password 260 password is a crypting password
261 If there is no error, the return value is UNZ_OK. 261 If there is no error, the return value is UNZ_OK.
262*/ 262*/
263 263
264extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, 264extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
265 int* method, 265 int* method,
266 int* level, 266 int* level,
267 int raw)); 267 int raw));
268/* 268/*
269 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) 269 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
270 if raw==1 270 if raw==1
271 *method will receive method of compression, *level will receive level of 271 *method will receive method of compression, *level will receive level of
272 compression 272 compression
273 note : you can set level parameter as NULL (if you did not want known level, 273 note : you can set level parameter as NULL (if you did not want known level,
274 but you CANNOT set method parameter as NULL 274 but you CANNOT set method parameter as NULL
275*/ 275*/
276 276
277extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, 277extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
278 int* method, 278 int* method,
279 int* level, 279 int* level,
280 int raw, 280 int raw,
281 const char* password)); 281 const char* password));
282/* 282/*
283 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) 283 Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
284 if raw==1 284 if raw==1
285 *method will receive method of compression, *level will receive level of 285 *method will receive method of compression, *level will receive level of
286 compression 286 compression
287 note : you can set level parameter as NULL (if you did not want known level, 287 note : you can set level parameter as NULL (if you did not want known level,
288 but you CANNOT set method parameter as NULL 288 but you CANNOT set method parameter as NULL
289*/ 289*/
290 290
291 291
292extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); 292extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
293/* 293/*
294 Close the file in zip opened with unzOpenCurrentFile 294 Close the file in zip opened with unzOpenCurrentFile
295 Return UNZ_CRCERROR if all the file was read but the CRC is not good 295 Return UNZ_CRCERROR if all the file was read but the CRC is not good
296*/ 296*/
297 297
298extern int ZEXPORT unzReadCurrentFile OF((unzFile file, 298extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
299 voidp buf, 299 voidp buf,
300 unsigned len)); 300 unsigned len));
301/* 301/*
302 Read bytes from the current file (opened by unzOpenCurrentFile) 302 Read bytes from the current file (opened by unzOpenCurrentFile)
303 buf contain buffer where data must be copied 303 buf contain buffer where data must be copied
304 len the size of buf. 304 len the size of buf.
305 305
306 return the number of byte copied if somes bytes are copied 306 return the number of byte copied if somes bytes are copied
307 return 0 if the end of file was reached 307 return 0 if the end of file was reached
308 return <0 with error code if there is an error 308 return <0 with error code if there is an error
309 (UNZ_ERRNO for IO error, or zLib error for uncompress error) 309 (UNZ_ERRNO for IO error, or zLib error for uncompress error)
310*/ 310*/
311 311
312extern z_off_t ZEXPORT unztell OF((unzFile file)); 312extern z_off_t ZEXPORT unztell OF((unzFile file));
313/* 313/*
314 Give the current position in uncompressed data 314 Give the current position in uncompressed data
315*/ 315*/
316 316
317extern int ZEXPORT unzeof OF((unzFile file)); 317extern int ZEXPORT unzeof OF((unzFile file));
318/* 318/*
319 return 1 if the end of file was reached, 0 elsewhere 319 return 1 if the end of file was reached, 0 elsewhere
320*/ 320*/
321 321
322extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, 322extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
323 voidp buf, 323 voidp buf,
324 unsigned len)); 324 unsigned len));
325/* 325/*
326 Read extra field from the current file (opened by unzOpenCurrentFile) 326 Read extra field from the current file (opened by unzOpenCurrentFile)
327 This is the local-header version of the extra field (sometimes, there is 327 This is the local-header version of the extra field (sometimes, there is
328 more info in the local-header version than in the central-header) 328 more info in the local-header version than in the central-header)
329 329
330 if buf==NULL, it return the size of the local extra field 330 if buf==NULL, it return the size of the local extra field
331 331
332 if buf!=NULL, len is the size of the buffer, the extra header is copied in 332 if buf!=NULL, len is the size of the buffer, the extra header is copied in
333 buf. 333 buf.
334 the return value is the number of bytes copied in buf, or (if <0) 334 the return value is the number of bytes copied in buf, or (if <0)
335 the error code 335 the error code
336*/ 336*/
337 337
338#ifdef __cplusplus 338#ifdef __cplusplus
339} 339}
340#endif 340#endif
341 341
342#endif /* _unz_H */ 342#endif /* _unz_H */
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