mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-28 23:06:24 +02:00
438 lines
16 KiB
C++
438 lines
16 KiB
C++
/* unzip.h -- IO for uncompress .zip files using zlib
|
|
Version 1.1, February 14h, 2010
|
|
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
|
|
|
|
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
|
|
|
|
Modifications of Unzip for Zip64
|
|
Copyright (C) 2007-2008 Even Rouault
|
|
|
|
Modifications for Zip64 support on both zip and unzip
|
|
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
|
|
|
|
For more info read MiniZip_info.txt
|
|
|
|
---------------------------------------------------------------------------------
|
|
|
|
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.
|
|
|
|
---------------------------------------------------------------------------------
|
|
|
|
Changes
|
|
|
|
See header of unzip64.c
|
|
|
|
*/
|
|
|
|
#ifndef _unz64_H
|
|
#define _unz64_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef _ZLIB_H
|
|
#include "zlib.h"
|
|
#endif
|
|
|
|
#ifndef _ZLIBIOAPI_H
|
|
#include "ioapi.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_BZIP2
|
|
#include "bzlib.h"
|
|
#endif
|
|
|
|
#define Z_BZIP2ED 12
|
|
|
|
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
|
|
/* like the STRICT of WIN32, we define a pointer that cannot be converted
|
|
from (void*) without cast */
|
|
typedef struct TagunzFile__ { int unused; } unzFile__;
|
|
typedef unzFile__ *unzFile;
|
|
#else
|
|
typedef voidp unzFile;
|
|
#endif
|
|
|
|
|
|
#define UNZ_OK (0)
|
|
#define UNZ_END_OF_LIST_OF_FILE (-100)
|
|
#define UNZ_ERRNO (Z_ERRNO)
|
|
#define UNZ_EOF (0)
|
|
#define UNZ_PARAMERROR (-102)
|
|
#define UNZ_BADZIPFILE (-103)
|
|
#define UNZ_INTERNALERROR (-104)
|
|
#define UNZ_CRCERROR (-105)
|
|
|
|
/* tm_unz contain date/time info */
|
|
typedef struct tm_unz_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_unz;
|
|
|
|
/* unz_global_info structure contain global data about the ZIPfile
|
|
These data comes from the end of central dir */
|
|
typedef struct unz_global_info64_s
|
|
{
|
|
ZPOS64_T number_entry; /* total number of entries in
|
|
the central dir on this disk */
|
|
uLong size_comment; /* size of the global comment of the zipfile */
|
|
} unz_global_info64;
|
|
|
|
typedef struct unz_global_info_s
|
|
{
|
|
uLong number_entry; /* total number of entries in
|
|
the central dir on this disk */
|
|
uLong size_comment; /* size of the global comment of the zipfile */
|
|
} unz_global_info;
|
|
|
|
/* unz_file_info contain information about a file in the zipfile */
|
|
typedef struct unz_file_info64_s
|
|
{
|
|
uLong version; /* version made by 2 bytes */
|
|
uLong version_needed; /* version needed to extract 2 bytes */
|
|
uLong flag; /* general purpose bit flag 2 bytes */
|
|
uLong compression_method; /* compression method 2 bytes */
|
|
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
|
|
uLong crc; /* crc-32 4 bytes */
|
|
ZPOS64_T compressed_size; /* compressed size 8 bytes */
|
|
ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */
|
|
uLong size_filename; /* filename length 2 bytes */
|
|
uLong size_file_extra; /* extra field length 2 bytes */
|
|
uLong size_file_comment; /* file comment length 2 bytes */
|
|
|
|
uLong disk_num_start; /* disk number start 2 bytes */
|
|
uLong internal_fa; /* internal file attributes 2 bytes */
|
|
uLong external_fa; /* external file attributes 4 bytes */
|
|
|
|
tm_unz tmu_date;
|
|
} unz_file_info64;
|
|
|
|
typedef struct unz_file_info_s
|
|
{
|
|
uLong version; /* version made by 2 bytes */
|
|
uLong version_needed; /* version needed to extract 2 bytes */
|
|
uLong flag; /* general purpose bit flag 2 bytes */
|
|
uLong compression_method; /* compression method 2 bytes */
|
|
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
|
|
uLong crc; /* crc-32 4 bytes */
|
|
uLong compressed_size; /* compressed size 4 bytes */
|
|
uLong uncompressed_size; /* uncompressed size 4 bytes */
|
|
uLong size_filename; /* filename length 2 bytes */
|
|
uLong size_file_extra; /* extra field length 2 bytes */
|
|
uLong size_file_comment; /* file comment length 2 bytes */
|
|
|
|
uLong disk_num_start; /* disk number start 2 bytes */
|
|
uLong internal_fa; /* internal file attributes 2 bytes */
|
|
uLong external_fa; /* external file attributes 4 bytes */
|
|
|
|
tm_unz tmu_date;
|
|
} unz_file_info;
|
|
|
|
extern int MINIZIP_EXPORT unzStringFileNameCompare OF ((const char* fileName1,
|
|
const char* fileName2,
|
|
int iCaseSensitivity));
|
|
/*
|
|
Compare two filename (fileName1,fileName2).
|
|
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
|
|
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
|
|
or strcasecmp)
|
|
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
|
|
(like 1 on Unix, 2 on Windows)
|
|
*/
|
|
|
|
|
|
extern unzFile MINIZIP_EXPORT unzOpen OF((const char *path));
|
|
extern unzFile MINIZIP_EXPORT unzOpen64 OF((const void *path));
|
|
/*
|
|
Open a Zip file. path contain the full pathname (by example,
|
|
on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
|
|
"zlib/zlib113.zip".
|
|
If the zipfile cannot be opened (file don't exist or in not valid), the
|
|
return value is NULL.
|
|
Else, the return value is a unzFile Handle, usable with other function
|
|
of this unzip package.
|
|
the "64" function take a const void* pointer, because the path is just the
|
|
value passed to the open64_file_func callback.
|
|
Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
|
|
is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char*
|
|
does not describe the reality
|
|
*/
|
|
|
|
|
|
extern unzFile MINIZIP_EXPORT unzOpen2 OF((const char *path,
|
|
zlib_filefunc_def* pzlib_filefunc_def));
|
|
/*
|
|
Open a Zip file, like unzOpen, but provide a set of file low level API
|
|
for read/write the zip file (see ioapi.h)
|
|
*/
|
|
|
|
extern unzFile MINIZIP_EXPORT unzOpen2_64 OF((const void *path,
|
|
zlib_filefunc64_def* pzlib_filefunc_def));
|
|
/*
|
|
Open a Zip file, like unz64Open, but provide a set of file low level API
|
|
for read/write the zip file (see ioapi.h)
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzClose OF((unzFile file));
|
|
/*
|
|
Close a ZipFile opened with unzOpen.
|
|
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
|
|
these files MUST be closed with unzCloseCurrentFile before call unzClose.
|
|
return UNZ_OK if there is no problem. */
|
|
|
|
extern int MINIZIP_EXPORT unzGetGlobalInfo OF((unzFile file,
|
|
unz_global_info *pglobal_info));
|
|
|
|
extern int MINIZIP_EXPORT unzGetGlobalInfo64 OF((unzFile file,
|
|
unz_global_info64 *pglobal_info));
|
|
/*
|
|
Write info about the ZipFile in the *pglobal_info structure.
|
|
No preparation of the structure is needed
|
|
return UNZ_OK if there is no problem. */
|
|
|
|
|
|
extern int MINIZIP_EXPORT unzGetGlobalComment OF((unzFile file,
|
|
char *szComment,
|
|
uLong uSizeBuf));
|
|
/*
|
|
Get the global comment string of the ZipFile, in the szComment buffer.
|
|
uSizeBuf is the size of the szComment buffer.
|
|
return the number of byte copied or an error code <0
|
|
*/
|
|
|
|
|
|
/***************************************************************************/
|
|
/* Unzip package allow you browse the directory of the zipfile */
|
|
|
|
extern int MINIZIP_EXPORT unzGoToFirstFile OF((unzFile file));
|
|
/*
|
|
Set the current file of the zipfile to the first file.
|
|
return UNZ_OK if there is no problem
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzGoToNextFile OF((unzFile file));
|
|
/*
|
|
Set the current file of the zipfile to the next file.
|
|
return UNZ_OK if there is no problem
|
|
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzLocateFile OF((unzFile file,
|
|
const char *szFileName,
|
|
int iCaseSensitivity));
|
|
/*
|
|
Try locate the file szFileName in the zipfile.
|
|
For the iCaseSensitivity signification, see unzStringFileNameCompare
|
|
|
|
return value :
|
|
UNZ_OK if the file is found. It becomes the current file.
|
|
UNZ_END_OF_LIST_OF_FILE if the file is not found
|
|
*/
|
|
|
|
|
|
/* ****************************************** */
|
|
/* Ryan supplied functions */
|
|
/* unz_file_info contain information about a file in the zipfile */
|
|
typedef struct unz_file_pos_s
|
|
{
|
|
uLong pos_in_zip_directory; /* offset in zip file directory */
|
|
uLong num_of_file; /* # of file */
|
|
} unz_file_pos;
|
|
|
|
extern int MINIZIP_EXPORT unzGetFilePos(
|
|
unzFile file,
|
|
unz_file_pos* file_pos);
|
|
|
|
extern int MINIZIP_EXPORT unzGoToFilePos(
|
|
unzFile file,
|
|
unz_file_pos* file_pos);
|
|
|
|
typedef struct unz64_file_pos_s
|
|
{
|
|
ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */
|
|
ZPOS64_T num_of_file; /* # of file */
|
|
} unz64_file_pos;
|
|
|
|
extern int MINIZIP_EXPORT unzGetFilePos64(
|
|
unzFile file,
|
|
unz64_file_pos* file_pos);
|
|
|
|
extern int MINIZIP_EXPORT unzGoToFilePos64(
|
|
unzFile file,
|
|
const unz64_file_pos* file_pos);
|
|
|
|
/* ****************************************** */
|
|
|
|
extern int MINIZIP_EXPORT unzGetCurrentFileInfo64 OF((unzFile file,
|
|
unz_file_info64 *pfile_info,
|
|
char *szFileName,
|
|
uLong fileNameBufferSize,
|
|
void *extraField,
|
|
uLong extraFieldBufferSize,
|
|
char *szComment,
|
|
uLong commentBufferSize));
|
|
|
|
extern int MINIZIP_EXPORT unzGetCurrentFileInfo OF((unzFile file,
|
|
unz_file_info *pfile_info,
|
|
char *szFileName,
|
|
uLong fileNameBufferSize,
|
|
void *extraField,
|
|
uLong extraFieldBufferSize,
|
|
char *szComment,
|
|
uLong commentBufferSize));
|
|
/*
|
|
Get Info about the current file
|
|
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
|
|
the current file
|
|
if szFileName!=NULL, the filemane string will be copied in szFileName
|
|
(fileNameBufferSize is the size of the buffer)
|
|
if extraField!=NULL, the extra field information will be copied in extraField
|
|
(extraFieldBufferSize is the size of the buffer).
|
|
This is the Central-header version of the extra field
|
|
if szComment!=NULL, the comment string of the file will be copied in szComment
|
|
(commentBufferSize is the size of the buffer)
|
|
*/
|
|
|
|
|
|
/** Addition for GDAL : START */
|
|
|
|
extern ZPOS64_T MINIZIP_EXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
|
|
|
|
/** Addition for GDAL : END */
|
|
|
|
|
|
/***************************************************************************/
|
|
/* for reading the content of the current zipfile, you can open it, read data
|
|
from it, and close it (you can close it before reading all the file)
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzOpenCurrentFile OF((unzFile file));
|
|
/*
|
|
Open for reading data the current file in the zipfile.
|
|
If there is no error, the return value is UNZ_OK.
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzOpenCurrentFilePassword OF((unzFile file,
|
|
const char* password));
|
|
/*
|
|
Open for reading data the current file in the zipfile.
|
|
password is a crypting password
|
|
If there is no error, the return value is UNZ_OK.
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzOpenCurrentFile2 OF((unzFile file,
|
|
int* method,
|
|
int* level,
|
|
int raw));
|
|
/*
|
|
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
|
|
if raw==1
|
|
*method will receive method of compression, *level will receive level of
|
|
compression
|
|
note : you can set level parameter as NULL (if you did not want known level,
|
|
but you CANNOT set method parameter as NULL
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzOpenCurrentFile3 OF((unzFile file,
|
|
int* method,
|
|
int* level,
|
|
int raw,
|
|
const char* password));
|
|
/*
|
|
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
|
|
if raw==1
|
|
*method will receive method of compression, *level will receive level of
|
|
compression
|
|
note : you can set level parameter as NULL (if you did not want known level,
|
|
but you CANNOT set method parameter as NULL
|
|
*/
|
|
|
|
|
|
extern int MINIZIP_EXPORT unzCloseCurrentFile OF((unzFile file));
|
|
/*
|
|
Close the file in zip opened with unzOpenCurrentFile
|
|
Return UNZ_CRCERROR if all the file was read but the CRC is not good
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzReadCurrentFile OF((unzFile file,
|
|
voidp buf,
|
|
unsigned len));
|
|
/*
|
|
Read bytes from the current file (opened by unzOpenCurrentFile)
|
|
buf contain buffer where data must be copied
|
|
len the size of buf.
|
|
|
|
return the number of byte copied if somes bytes are copied
|
|
return 0 if the end of file was reached
|
|
return <0 with error code if there is an error
|
|
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
|
|
*/
|
|
|
|
extern z_off_t MINIZIP_EXPORT unztell OF((unzFile file));
|
|
|
|
extern ZPOS64_T MINIZIP_EXPORT unztell64 OF((unzFile file));
|
|
/*
|
|
Give the current position in uncompressed data
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzeof OF((unzFile file));
|
|
/*
|
|
return 1 if the end of file was reached, 0 elsewhere
|
|
*/
|
|
|
|
extern int MINIZIP_EXPORT unzGetLocalExtrafield OF((unzFile file,
|
|
voidp buf,
|
|
unsigned len));
|
|
/*
|
|
Read extra field from the current file (opened by unzOpenCurrentFile)
|
|
This is the local-header version of the extra field (sometimes, there is
|
|
more info in the local-header version than in the central-header)
|
|
|
|
if buf==NULL, it return the size of the local extra field
|
|
|
|
if buf!=NULL, len is the size of the buffer, the extra header is copied in
|
|
buf.
|
|
the return value is the number of bytes copied in buf, or (if <0)
|
|
the error code
|
|
*/
|
|
|
|
/***************************************************************************/
|
|
|
|
/* Get the current file offset */
|
|
extern ZPOS64_T MINIZIP_EXPORT unzGetOffset64 (unzFile file);
|
|
extern uLong MINIZIP_EXPORT unzGetOffset (unzFile file);
|
|
|
|
/* Set the current file offset */
|
|
extern int MINIZIP_EXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos);
|
|
extern int MINIZIP_EXPORT unzSetOffset (unzFile file, uLong pos);
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _unz64_H */
|