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