mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-20 13:24:33 -05:00
236 lines
8.6 KiB
C
236 lines
8.6 KiB
C
|
/* 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 */
|