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 50extern "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 */ 64typedef struct TagzipFile__ { int unused; } zipFile__; 65typedef zipFile__ *zipFile; 66#else 67typedef 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 */ 87typedef 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 97typedef 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 107typedef const char* zipcharpc; 108 109 110#define APPEND_STATUS_CREATE (0) 111#define APPEND_STATUS_CREATEAFTER (1) 112#define APPEND_STATUS_ADDINZIP (2) 113 114extern 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 on 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 another 131 Of couse, you can use RAW reading and writing to copy the file you did not want delte 132*/ 133 134extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, 135 int append, 136 zipcharpc* globalcomment, 137 zlib_filefunc_def* pzlib_filefunc_def)); 138 139extern 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 163extern 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 179extern 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 204extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, 205 const void* buf, 206 unsigned len)); 207/* 208 Write data in the zipfile 209*/ 210 211extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); 212/* 213 Close the current file in the zipfile 214*/ 215 216extern 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 225extern 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 */ 236