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| 1 /* zip.h -- IO for compress .zip files using zlib |
| 2 Version 1.01e, February 12th, 2005 |
| 3 |
| 4 Copyright (C) 1998-2005 Gilles Vollant |
| 5 |
| 6 This unzip package allow creates .ZIP file, compatible with PKZip 2.04g |
| 7 WinZip, InfoZip tools and compatible. |
| 8 Multi volume ZipFile (span) are not supported. |
| 9 Encryption compatible with pkzip 2.04g only supported |
| 10 Old compressions used by old PKZip 1.x are not supported |
| 11 |
| 12 For uncompress .zip file, look at unzip.h |
| 13 |
| 14 |
| 15 I WAIT FEEDBACK at mail info@winimage.com |
| 16 Visit also http://www.winimage.com/zLibDll/unzip.html for evolution |
| 17 |
| 18 Condition of use and distribution are the same than zlib : |
| 19 |
| 20 This software is provided 'as-is', without any express or implied |
| 21 warranty. In no event will the authors be held liable for any damages |
| 22 arising from the use of this software. |
| 23 |
| 24 Permission is granted to anyone to use this software for any purpose, |
| 25 including commercial applications, and to alter it and redistribute it |
| 26 freely, subject to the following restrictions: |
| 27 |
| 28 1. The origin of this software must not be misrepresented; you must not |
| 29 claim that you wrote the original software. If you use this software |
| 30 in a product, an acknowledgment in the product documentation would be |
| 31 appreciated but is not required. |
| 32 2. Altered source versions must be plainly marked as such, and must not be |
| 33 misrepresented as being the original software. |
| 34 3. This notice may not be removed or altered from any source distribution. |
| 35 |
| 36 |
| 37 */ |
| 38 |
| 39 /* for more info about .ZIP format, see |
| 40 http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip |
| 41 http://www.info-zip.org/pub/infozip/doc/ |
| 42 PkWare has also a specification at : |
| 43 ftp://ftp.pkware.com/probdesc.zip |
| 44 */ |
| 45 |
| 46 #ifndef _zip_H |
| 47 #define _zip_H |
| 48 |
| 49 #ifdef __cplusplus |
| 50 extern "C" { |
| 51 #endif |
| 52 |
| 53 #ifndef _ZLIB_H |
| 54 #include "zlib.h" |
| 55 #endif |
| 56 |
| 57 #ifndef _ZLIBIOAPI_H |
| 58 #include "ioapi.h" |
| 59 #endif |
| 60 |
| 61 #if defined(STRICTZIP) || defined(STRICTZIPUNZIP) |
| 62 /* like the STRICT of WIN32, we define a pointer that cannot be converted |
| 63 from (void*) without cast */ |
| 64 typedef struct TagzipFile__ { int unused; } zipFile__; |
| 65 typedef zipFile__ *zipFile; |
| 66 #else |
| 67 typedef voidp zipFile; |
| 68 #endif |
| 69 |
| 70 #define ZIP_OK (0) |
| 71 #define ZIP_EOF (0) |
| 72 #define ZIP_ERRNO (Z_ERRNO) |
| 73 #define ZIP_PARAMERROR (-102) |
| 74 #define ZIP_BADZIPFILE (-103) |
| 75 #define ZIP_INTERNALERROR (-104) |
| 76 |
| 77 #ifndef DEF_MEM_LEVEL |
| 78 # if MAX_MEM_LEVEL >= 8 |
| 79 # define DEF_MEM_LEVEL 8 |
| 80 # else |
| 81 # define DEF_MEM_LEVEL MAX_MEM_LEVEL |
| 82 # endif |
| 83 #endif |
| 84 /* default memLevel */ |
| 85 |
| 86 /* tm_zip contain date/time info */ |
| 87 typedef struct tm_zip_s |
| 88 { |
| 89 uInt tm_sec; /* seconds after the minute - [0,59] */ |
| 90 uInt tm_min; /* minutes after the hour - [0,59] */ |
| 91 uInt tm_hour; /* hours since midnight - [0,23] */ |
| 92 uInt tm_mday; /* day of the month - [1,31] */ |
| 93 uInt tm_mon; /* months since January - [0,11] */ |
| 94 uInt tm_year; /* years - [1980..2044] */ |
| 95 } tm_zip; |
| 96 |
| 97 typedef struct |
| 98 { |
| 99 tm_zip tmz_date; /* date in understandable format */ |
| 100 uLong dosDate; /* if dos_date == 0, tmu_date is used */ |
| 101 /* uLong flag; */ /* general purpose bit flag 2 bytes *
/ |
| 102 |
| 103 uLong internal_fa; /* internal file attributes 2 bytes */ |
| 104 uLong external_fa; /* external file attributes 4 bytes */ |
| 105 } zip_fileinfo; |
| 106 |
| 107 typedef const char* zipcharpc; |
| 108 |
| 109 |
| 110 #define APPEND_STATUS_CREATE (0) |
| 111 #define APPEND_STATUS_CREATEAFTER (1) |
| 112 #define APPEND_STATUS_ADDINZIP (2) |
| 113 |
| 114 extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); |
| 115 /* |
| 116 Create a zipfile. |
| 117 pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or o
n |
| 118 an Unix computer "zlib/zlib113.zip". |
| 119 if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip |
| 120 will be created at the end of the file. |
| 121 (useful if the file contain a self extractor code) |
| 122 if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will |
| 123 add files in existing zip (be sure you don't add file that doesn't exist) |
| 124 If the zipfile cannot be opened, the return value is NULL. |
| 125 Else, the return value is a zipFile Handle, usable with other function |
| 126 of this zip package. |
| 127 */ |
| 128 |
| 129 /* Note : there is no delete function into a zipfile. |
| 130 If you want delete file into a zipfile, you must open a zipfile, and create a
nother |
| 131 Of couse, you can use RAW reading and writing to copy the file you did not wa
nt delte |
| 132 */ |
| 133 |
| 134 extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, |
| 135 int append, |
| 136 zipcharpc* globalcomment, |
| 137 zlib_filefunc_def* pzlib_filefunc_def)); |
| 138 |
| 139 extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, |
| 140 const char* filename, |
| 141 const zip_fileinfo* zipfi, |
| 142 const void* extrafield_local, |
| 143 uInt size_extrafield_local, |
| 144 const void* extrafield_global, |
| 145 uInt size_extrafield_global, |
| 146 const char* comment, |
| 147 int method, |
| 148 int level)); |
| 149 /* |
| 150 Open a file in the ZIP for writing. |
| 151 filename : the filename in zip (if NULL, '-' without quote will be used |
| 152 *zipfi contain supplemental information |
| 153 if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local |
| 154 contains the extrafield data the the local header |
| 155 if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global |
| 156 contains the extrafield data the the local header |
| 157 if comment != NULL, comment contain the comment string |
| 158 method contain the compression method (0 for store, Z_DEFLATED for deflate) |
| 159 level contain the level of compression (can be Z_DEFAULT_COMPRESSION) |
| 160 */ |
| 161 |
| 162 |
| 163 extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, |
| 164 const char* filename, |
| 165 const zip_fileinfo* zipfi, |
| 166 const void* extrafield_local, |
| 167 uInt size_extrafield_local, |
| 168 const void* extrafield_global, |
| 169 uInt size_extrafield_global, |
| 170 const char* comment, |
| 171 int method, |
| 172 int level, |
| 173 int raw)); |
| 174 |
| 175 /* |
| 176 Same than zipOpenNewFileInZip, except if raw=1, we write raw file |
| 177 */ |
| 178 |
| 179 extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, |
| 180 const char* filename, |
| 181 const zip_fileinfo* zipfi, |
| 182 const void* extrafield_local, |
| 183 uInt size_extrafield_local, |
| 184 const void* extrafield_global, |
| 185 uInt size_extrafield_global, |
| 186 const char* comment, |
| 187 int method, |
| 188 int level, |
| 189 int raw, |
| 190 int windowBits, |
| 191 int memLevel, |
| 192 int strategy, |
| 193 const char* password, |
| 194 uLong crcForCtypting)); |
| 195 |
| 196 /* |
| 197 Same than zipOpenNewFileInZip2, except |
| 198 windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 |
| 199 password : crypting password (NULL for no crypting) |
| 200 crcForCtypting : crc of file to compress (needed for crypting) |
| 201 */ |
| 202 |
| 203 |
| 204 extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, |
| 205 const void* buf, |
| 206 unsigned len)); |
| 207 /* |
| 208 Write data in the zipfile |
| 209 */ |
| 210 |
| 211 extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); |
| 212 /* |
| 213 Close the current file in the zipfile |
| 214 */ |
| 215 |
| 216 extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, |
| 217 uLong uncompressed_size, |
| 218 uLong crc32)); |
| 219 /* |
| 220 Close the current file in the zipfile, for fiel opened with |
| 221 parameter raw=1 in zipOpenNewFileInZip2 |
| 222 uncompressed_size and crc32 are value for the uncompressed size |
| 223 */ |
| 224 |
| 225 extern int ZEXPORT zipClose OF((zipFile file, |
| 226 const char* global_comment)); |
| 227 /* |
| 228 Close the zipfile |
| 229 */ |
| 230 |
| 231 #ifdef __cplusplus |
| 232 } |
| 233 #endif |
| 234 |
| 235 #endif /* _zip_H */ |
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