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cpl_minizip_zip.h
1 /******************************************************************************
2 * $Id$
3 *
4 * Project: CPL - Common Portability Library
5 * Author: Frank Warmerdam, warmerdam@pobox.com
6 * Purpose: Adjusted minizip "zip.h" include file for zip services.
7 *
8 * Modified version by Even Rouault. :
9 * - Decoration of symbol names unz* -> cpl_unz*
10 * - Undef EXPORT so that we are sure the symbols are not exported
11 * - Remove old C style function prototypes
12 * - Added CPL* simplified API at bottom.
13 *
14 * Original licence available in port/LICENCE_minizip
15 *
16 *****************************************************************************/
17
18 /* zip.h -- IO for compress .zip files using zlib
19 Version 1.01e, February 12th, 2005
20
21 Copyright (C) 1998-2005 Gilles Vollant
22
23 This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
24 WinZip, InfoZip tools and compatible.
25 Multi volume ZipFile (span) are not supported.
26 Encryption compatible with pkzip 2.04g only supported
27 Old compressions used by old PKZip 1.x are not supported
28
29 For uncompress .zip file, look at unzip.h
30
31 I WAIT FEEDBACK at mail info@winimage.com
32 Visit also http://www.winimage.com/zLibDll/unzip.html for evolution
33
34 Condition of use and distribution are the same than zlib :
35
36 This software is provided 'as-is', without any express or implied
37 warranty. In no event will the authors be held liable for any damages
38 arising from the use of this software.
39
40 Permission is granted to anyone to use this software for any purpose,
41 including commercial applications, and to alter it and redistribute it
42 freely, subject to the following restrictions:
43
44 1. The origin of this software must not be misrepresented; you must not
45 claim that you wrote the original software. If you use this software
46 in a product, an acknowledgment in the product documentation would be
47 appreciated but is not required.
48 2. Altered source versions must be plainly marked as such, and must not be
49 misrepresented as being the original software.
50 3. This notice may not be removed or altered from any source distribution.
51 */
52
53 /* for more info about .ZIP format, see
54 http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
55 http://www.info-zip.org/pub/infozip/doc/
56 PkWare has also a specification at :
57 ftp://ftp.pkware.com/probdesc.zip
58 */
59
60 #ifndef CPL_MINIZIP_ZIP_H_INCLUDED
61 #define CPL_MINIZIP_ZIP_H_INCLUDED
62
63 #ifndef DOXYGEN_SKIP
64
65 #include "cpl_vsi.h"
66 #define uLong64 vsi_l_offset
67 typedef vsi_l_offset ZPOS64_T;
68
69 #ifdef __cplusplus
70 extern "C" {
71 #endif
72
73 #ifndef _ZLIB_H
74 #include "zlib.h"
75 #endif
76
77 #ifndef CPL_MINIZIP_IOAPI_H_INCLUDED
78 #include "cpl_minizip_ioapi.h"
79 #endif
80
81 #define NOCRYPT
82 #undef ZEXPORT
83 #define ZEXPORT
84
85 #if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
86 /* like the STRICT of WIN32, we define a pointer that cannot be converted
87 from (void*) without cast */
88 typedef struct TagzipFile__ { int unused; } zipFile__;
89 typedef zipFile__ *zipFile;
90 #else
91 typedef voidp zipFile;
92 #endif
93
94 #define ZIP_OK (0)
95 #define ZIP_EOF (0)
96 #define ZIP_ERRNO (Z_ERRNO)
97 #define ZIP_PARAMERROR (-102)
98 #define ZIP_BADZIPFILE (-103)
99 #define ZIP_INTERNALERROR (-104)
100
101 #ifndef DEF_MEM_LEVEL
102 # if MAX_MEM_LEVEL >= 8
103 # define DEF_MEM_LEVEL 8
104 # else
105 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
106 # endif
107 #endif
108 /* default memLevel */
109
110 /* tm_zip contain date/time info */
111 typedef struct tm_zip_s
112 {
113 uInt tm_sec; /* seconds after the minute - [0,59] */
114 uInt tm_min; /* minutes after the hour - [0,59] */
115 uInt tm_hour; /* hours since midnight - [0,23] */
116 uInt tm_mday; /* day of the month - [1,31] */
117 uInt tm_mon; /* months since January - [0,11] */
118 uInt tm_year; /* years - [1980..2044] */
119 } tm_zip;
120
121 typedef struct
122 {
123 tm_zip tmz_date; /* date in understandable format */
124 uLong dosDate; /* if dos_date == 0, tmu_date is used */
125 /* uLong flag; */ /* general purpose bit flag 2 bytes */
126
127 uLong internal_fa; /* internal file attributes 2 bytes */
128 uLong external_fa; /* external file attributes 4 bytes */
129 } zip_fileinfo;
130
131 typedef const char* zipcharpc;
132
133 #define APPEND_STATUS_CREATE (0)
134 #define APPEND_STATUS_CREATEAFTER (1)
135 #define APPEND_STATUS_ADDINZIP (2)
136
137 extern zipFile ZEXPORT cpl_zipOpen (const char *pathname, int append);
138 /*
139 Create a zipfile.
140 pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
141 an Unix computer "zlib/zlib113.zip".
142 if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip
143 will be created at the end of the file.
144 (useful if the file contain a self extractor code)
145 if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will
146 add files in existing zip (be sure you don't add file that doesn't exist)
147 If the zipfile cannot be opened, the return value is NULL.
148 Else, the return value is a zipFile Handle, usable with other function
149 of this zip package.
150 */
151
152 /* Note : there is no delete function for a zipfile.
153 If you want delete file in a zipfile, you must open a zipfile, and create another.
154 Of course, you can use RAW reading and writing to copy the file you did not want delete.
155 */
156
157 extern zipFile ZEXPORT cpl_zipOpen2 (const char *pathname,
158 int append,
159 zipcharpc* globalcomment,
160 zlib_filefunc_def* pzlib_filefunc_def);
161
162 extern int ZEXPORT cpl_zipOpenNewFileInZip (zipFile file,
163 const char* filename,
164 const zip_fileinfo* zipfi,
165 const void* extrafield_local,
166 uInt size_extrafield_local,
167 const void* extrafield_global,
168 uInt size_extrafield_global,
169 const char* comment,
170 int method,
171 int level);
172 /*
173 Open a file in the ZIP for writing.
174 filename : the filename in zip (if NULL, '-' without quote will be used
175 *zipfi contain supplemental information
176 if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
177 contains the extrafield data the local header
178 if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
179 contains the extrafield data the local header
180 if comment != NULL, comment contain the comment string
181 method contain the compression method (0 for store, Z_DEFLATED for deflate)
182 level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
183 */
184
185 extern int ZEXPORT cpl_zipOpenNewFileInZip2 (zipFile file,
186 const char* filename,
187 const zip_fileinfo* zipfi,
188 const void* extrafield_local,
189 uInt size_extrafield_local,
190 const void* extrafield_global,
191 uInt size_extrafield_global,
192 const char* comment,
193 int method,
194 int level,
195 int raw);
196
197 /*
198 Same than zipOpenNewFileInZip, except if raw=1, we write raw file
199 */
200
201 extern int ZEXPORT cpl_zipOpenNewFileInZip3 (zipFile file,
202 const char* filename,
203 const zip_fileinfo* zipfi,
204 const void* extrafield_local,
205 uInt size_extrafield_local,
206 const void* extrafield_global,
207 uInt size_extrafield_global,
208 const char* comment,
209 int method,
210 int level,
211 int raw,
212 int windowBits,
213 int memLevel,
214 int strategy,
215 const char* password,
216 uLong crcForCtypting);
217
218 /*
219 Same than zipOpenNewFileInZip2, except
220 windowBits,memLevel,,strategy : see parameter strategy in deflateInit2
221 password : crypting password (NULL for no crypting)
222 crcForCtypting : crc of file to compress (needed for crypting)
223 */
224
225 extern int ZEXPORT cpl_zipWriteInFileInZip (zipFile file,
226 const void* buf,
227 unsigned len);
228 /*
229 Write data in the zipfile
230 */
231
232 extern int ZEXPORT cpl_zipCloseFileInZip (zipFile file);
233 /*
234 Close the current file in the zipfile
235 */
236
237 extern int ZEXPORT cpl_zipCloseFileInZipRaw (zipFile file,
238 ZPOS64_T uncompressed_size,
239 uLong crc32);
240 /*
241 Close the current file in the zipfile, for file opened with
242 parameter raw=1 in zipOpenNewFileInZip2
243 uncompressed_size and crc32 are value for the uncompressed size
244 */
245
246 extern int ZEXPORT cpl_zipClose (zipFile file,
247 const char* global_comment);
248 /*
249 Close the zipfile
250 */
251
252 #ifdef __cplusplus
253 }
254 #endif
255
256 #endif /* #ifndef DOXYGEN_SKIP */
257
258 #endif /* _zip_H */
cpl_vsi.h
Standard C Covers.
vsi_l_offset
GUIntBig vsi_l_offset
Type for a file offset.
Definition: cpl_vsi.h:140

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