mirror of https://github.com/madler/zlib.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
235 lines
8.6 KiB
235 lines
8.6 KiB
/* zip.h -- IO for compress .zip files using zlib |
|
Version 1.01e, February 12th, 2005 |
|
|
|
Copyright (C) 1998-2005 Gilles Vollant |
|
|
|
This unzip package allow creates .ZIP file, compatible with PKZip 2.04g |
|
WinZip, InfoZip tools and compatible. |
|
Multi volume ZipFile (span) are not supported. |
|
Encryption compatible with pkzip 2.04g only supported |
|
Old compressions used by old PKZip 1.x are not supported |
|
|
|
For uncompress .zip file, look at unzip.h |
|
|
|
|
|
I WAIT FEEDBACK at mail info@winimage.com |
|
Visit also http://www.winimage.com/zLibDll/unzip.html for evolution |
|
|
|
Condition of use and distribution are the same than zlib : |
|
|
|
This software is provided 'as-is', without any express or implied |
|
warranty. In no event will the authors be held liable for any damages |
|
arising from the use of this software. |
|
|
|
Permission is granted to anyone to use this software for any purpose, |
|
including commercial applications, and to alter it and redistribute it |
|
freely, subject to the following restrictions: |
|
|
|
1. The origin of this software must not be misrepresented; you must not |
|
claim that you wrote the original software. If you use this software |
|
in a product, an acknowledgment in the product documentation would be |
|
appreciated but is not required. |
|
2. Altered source versions must be plainly marked as such, and must not be |
|
misrepresented as being the original software. |
|
3. This notice may not be removed or altered from any source distribution. |
|
|
|
|
|
*/ |
|
|
|
/* for more info about .ZIP format, see |
|
http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip |
|
http://www.info-zip.org/pub/infozip/doc/ |
|
PkWare has also a specification at : |
|
ftp://ftp.pkware.com/probdesc.zip |
|
*/ |
|
|
|
#ifndef _zip_H |
|
#define _zip_H |
|
|
|
#ifdef __cplusplus |
|
extern "C" { |
|
#endif |
|
|
|
#ifndef _ZLIB_H |
|
#include "zlib.h" |
|
#endif |
|
|
|
#ifndef _ZLIBIOAPI_H |
|
#include "ioapi.h" |
|
#endif |
|
|
|
#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) |
|
/* like the STRICT of WIN32, we define a pointer that cannot be converted |
|
from (void*) without cast */ |
|
typedef struct TagzipFile__ { int unused; } zipFile__; |
|
typedef zipFile__ *zipFile; |
|
#else |
|
typedef voidp zipFile; |
|
#endif |
|
|
|
#define ZIP_OK (0) |
|
#define ZIP_EOF (0) |
|
#define ZIP_ERRNO (Z_ERRNO) |
|
#define ZIP_PARAMERROR (-102) |
|
#define ZIP_BADZIPFILE (-103) |
|
#define ZIP_INTERNALERROR (-104) |
|
|
|
#ifndef DEF_MEM_LEVEL |
|
# if MAX_MEM_LEVEL >= 8 |
|
# define DEF_MEM_LEVEL 8 |
|
# else |
|
# define DEF_MEM_LEVEL MAX_MEM_LEVEL |
|
# endif |
|
#endif |
|
/* default memLevel */ |
|
|
|
/* tm_zip contain date/time info */ |
|
typedef struct tm_zip_s |
|
{ |
|
uInt tm_sec; /* seconds after the minute - [0,59] */ |
|
uInt tm_min; /* minutes after the hour - [0,59] */ |
|
uInt tm_hour; /* hours since midnight - [0,23] */ |
|
uInt tm_mday; /* day of the month - [1,31] */ |
|
uInt tm_mon; /* months since January - [0,11] */ |
|
uInt tm_year; /* years - [1980..2044] */ |
|
} tm_zip; |
|
|
|
typedef struct |
|
{ |
|
tm_zip tmz_date; /* date in understandable format */ |
|
uLong dosDate; /* if dos_date == 0, tmu_date is used */ |
|
/* uLong flag; */ /* general purpose bit flag 2 bytes */ |
|
|
|
uLong internal_fa; /* internal file attributes 2 bytes */ |
|
uLong external_fa; /* external file attributes 4 bytes */ |
|
} zip_fileinfo; |
|
|
|
typedef const char* zipcharpc; |
|
|
|
|
|
#define APPEND_STATUS_CREATE (0) |
|
#define APPEND_STATUS_CREATEAFTER (1) |
|
#define APPEND_STATUS_ADDINZIP (2) |
|
|
|
extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); |
|
/* |
|
Create a zipfile. |
|
pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on |
|
an Unix computer "zlib/zlib113.zip". |
|
if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip |
|
will be created at the end of the file. |
|
(useful if the file contain a self extractor code) |
|
if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will |
|
add files in existing zip (be sure you don't add file that doesn't exist) |
|
If the zipfile cannot be opened, the return value is NULL. |
|
Else, the return value is a zipFile Handle, usable with other function |
|
of this zip package. |
|
*/ |
|
|
|
/* Note : there is no delete function into a zipfile. |
|
If you want delete file into a zipfile, you must open a zipfile, and create another |
|
Of couse, you can use RAW reading and writing to copy the file you did not want delte |
|
*/ |
|
|
|
extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, |
|
int append, |
|
zipcharpc* globalcomment, |
|
zlib_filefunc_def* pzlib_filefunc_def)); |
|
|
|
extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, |
|
const char* filename, |
|
const zip_fileinfo* zipfi, |
|
const void* extrafield_local, |
|
uInt size_extrafield_local, |
|
const void* extrafield_global, |
|
uInt size_extrafield_global, |
|
const char* comment, |
|
int method, |
|
int level)); |
|
/* |
|
Open a file in the ZIP for writing. |
|
filename : the filename in zip (if NULL, '-' without quote will be used |
|
*zipfi contain supplemental information |
|
if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local |
|
contains the extrafield data the the local header |
|
if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global |
|
contains the extrafield data the the local header |
|
if comment != NULL, comment contain the comment string |
|
method contain the compression method (0 for store, Z_DEFLATED for deflate) |
|
level contain the level of compression (can be Z_DEFAULT_COMPRESSION) |
|
*/ |
|
|
|
|
|
extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, |
|
const char* filename, |
|
const zip_fileinfo* zipfi, |
|
const void* extrafield_local, |
|
uInt size_extrafield_local, |
|
const void* extrafield_global, |
|
uInt size_extrafield_global, |
|
const char* comment, |
|
int method, |
|
int level, |
|
int raw)); |
|
|
|
/* |
|
Same than zipOpenNewFileInZip, except if raw=1, we write raw file |
|
*/ |
|
|
|
extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, |
|
const char* filename, |
|
const zip_fileinfo* zipfi, |
|
const void* extrafield_local, |
|
uInt size_extrafield_local, |
|
const void* extrafield_global, |
|
uInt size_extrafield_global, |
|
const char* comment, |
|
int method, |
|
int level, |
|
int raw, |
|
int windowBits, |
|
int memLevel, |
|
int strategy, |
|
const char* password, |
|
uLong crcForCtypting)); |
|
|
|
/* |
|
Same than zipOpenNewFileInZip2, except |
|
windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 |
|
password : crypting password (NULL for no crypting) |
|
crcForCtypting : crc of file to compress (needed for crypting) |
|
*/ |
|
|
|
|
|
extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, |
|
const void* buf, |
|
unsigned len)); |
|
/* |
|
Write data in the zipfile |
|
*/ |
|
|
|
extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); |
|
/* |
|
Close the current file in the zipfile |
|
*/ |
|
|
|
extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, |
|
uLong uncompressed_size, |
|
uLong crc32)); |
|
/* |
|
Close the current file in the zipfile, for fiel opened with |
|
parameter raw=1 in zipOpenNewFileInZip2 |
|
uncompressed_size and crc32 are value for the uncompressed size |
|
*/ |
|
|
|
extern int ZEXPORT zipClose OF((zipFile file, |
|
const char* global_comment)); |
|
/* |
|
Close the zipfile |
|
*/ |
|
|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
|
|
#endif /* _zip_H */
|
|
|