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Thilo Schulz 2009-10-19 14:00:16 +00:00
parent 17ca252753
commit cc919c05fd
24 changed files with 7692 additions and 4149 deletions
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code/qcommon/unzip.h
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@ -1,255 +1,205 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
/* unzip.h -- IO for uncompress .zip files using zlib
Version 1.01e, February 12th, 2005
This file is part of Quake III Arena source code.
Copyright (C) 1998-2005 Gilles Vollant
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
This unzip package allow extract file from .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
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm 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.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/* 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 _unz_H
#define _unz_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#ifdef USE_LOCAL_HEADERS
#include "../zlib/zlib.h"
#else
#include <zlib.h>
#endif
#endif
#ifndef _ZLIBIOAPI_H
#include "ioapi.h"
#endif
#define NOUNCRYPT
#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 struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef void* unzFile;
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
typedef struct tm_unz_s
{
unsigned int tm_sec; /* seconds after the minute - [0,59] */
unsigned int tm_min; /* minutes after the hour - [0,59] */
unsigned int tm_hour; /* hours since midnight - [0,23] */
unsigned int tm_mday; /* day of the month - [1,31] */
unsigned int tm_mon; /* months since January - [0,11] */
unsigned int tm_year; /* years - [1980..2044] */
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_info_s
{
unsigned long number_entry; /* total number of entries in the central dir on this disk */
unsigned long size_comment; /* size of the global comment of the zipfile */
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_info_s
{
unsigned long version; /* version made by 2 unsigned chars */
unsigned long version_needed; /* version needed to extract 2 unsigned chars */
unsigned long flag; /* general purpose bit flag 2 unsigned chars */
unsigned long compression_method; /* compression method 2 unsigned chars */
unsigned long dosDate; /* last mod file date in Dos fmt 4 unsigned chars */
unsigned long crc; /* crc-32 4 unsigned chars */
unsigned long compressed_size; /* compressed size 4 unsigned chars */
unsigned long uncompressed_size; /* uncompressed size 4 unsigned chars */
unsigned long size_filename; /* filename length 2 unsigned chars */
unsigned long size_file_extra; /* extra field length 2 unsigned chars */
unsigned long size_file_comment; /* file comment length 2 unsigned chars */
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 */
unsigned long disk_num_start; /* disk number start 2 unsigned chars */
unsigned long internal_fa; /* internal file attributes 2 unsigned chars */
unsigned long external_fa; /* external file attributes 4 unsigned chars */
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;
/* unz_file_info_interntal contain internal info about a file in zipfile*/
typedef struct unz_file_info_internal_s
{
unsigned long offset_curfile;/* relative offset of static header 4 unsigned chars */
} unz_file_info_internal;
typedef void* (*alloc_func) (void* opaque, unsigned int items, unsigned int size);
typedef void (*free_func) (void* opaque, void* address);
struct internal_state;
typedef struct z_stream_s {
unsigned char *next_in; /* next input unsigned char */
unsigned int avail_in; /* number of unsigned chars available at next_in */
unsigned long total_in; /* total nb of input unsigned chars read so */
unsigned char *next_out; /* next output unsigned char should be put there */
unsigned int avail_out; /* remaining free space at next_out */
unsigned long total_out; /* total nb of unsigned chars output so */
char *msg; /* last error message, NULL if no error */
struct internal_state *state; /* not visible by applications */
alloc_func zalloc; /* used to allocate the internal state */
free_func zfree; /* used to free the internal state */
unsigned char* opaque; /* private data object passed to zalloc and zfree */
int data_type; /* best guess about the data type: ascii or binary */
unsigned long adler; /* adler32 value of the uncompressed data */
unsigned long reserved; /* reserved for future use */
} z_stream;
typedef z_stream *z_streamp;
/* file_in_zip_read_info_s contain internal information about a file in zipfile,
when reading and decompress it */
typedef struct
{
char *read_buffer; /* internal buffer for compressed data */
z_stream stream; /* zLib stream structure for inflate */
unsigned long pos_in_zipfile; /* position in unsigned char on the zipfile, for fseek*/
unsigned long stream_initialised; /* flag set if stream structure is initialised*/
unsigned long offset_local_extrafield;/* offset of the static extra field */
unsigned int size_local_extrafield;/* size of the static extra field */
unsigned long pos_local_extrafield; /* position in the static extra field in read*/
unsigned long crc32; /* crc32 of all data uncompressed */
unsigned long crc32_wait; /* crc32 we must obtain after decompress all */
unsigned long rest_read_compressed; /* number of unsigned char to be decompressed */
unsigned long rest_read_uncompressed;/*number of unsigned char to be obtained after decomp*/
FILE* file; /* io structore of the zipfile */
unsigned long compression_method; /* compression method (0==store) */
unsigned long byte_before_the_zipfile;/* unsigned char before the zipfile, (>0 for sfx)*/
} file_in_zip_read_info_s;
/* unz_s contain internal information about the zipfile
*/
typedef struct
{
FILE* file; /* io structore of the zipfile */
unz_global_info gi; /* public global information */
unsigned long byte_before_the_zipfile;/* unsigned char before the zipfile, (>0 for sfx)*/
unsigned long num_file; /* number of the current file in the zipfile*/
unsigned long pos_in_central_dir; /* pos of the current file in the central dir*/
unsigned long current_file_ok; /* flag about the usability of the current file*/
unsigned long central_pos; /* position of the beginning of the central dir*/
unsigned long size_central_dir; /* size of the central directory */
unsigned long offset_central_dir; /* offset of start of central directory with
respect to the starting disk number */
unz_file_info cur_file_info; /* public info about the current file in zip*/
unz_file_info_internal cur_file_info_internal; /* private info about it*/
file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
file if we are decompressing it */
unsigned char* tmpFile;
int tmpPos,tmpSize;
} unz_s;
#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)
#define UNZ_CASESENSITIVE 1
#define UNZ_NOTCASESENSITIVE 2
#define UNZ_OSDEFAULTCASE 0
extern int unzStringFileNameCompare (const char* fileName1, const char* fileName2, int iCaseSensitivity);
extern int ZEXPORT 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)
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
(like 1 on Unix, 2 on Windows)
*/
extern unzFile unzOpen (const char *path);
extern unzFile unzReOpen (const char* path, unzFile file);
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
"zlib/zlib111.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
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.
of this unzip package.
*/
extern int unzClose (unzFile file);
extern unzFile ZEXPORT 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 int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info);
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *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 unzGetGlobalComment (unzFile file, char *szComment, unsigned long uSizeBuf);
extern int ZEXPORT 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 unsigned char copied or an error code <0
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int unzGoToFirstFile (unzFile file);
extern int ZEXPORT 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 unzGoToNextFile (unzFile file);
extern int ZEXPORT 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 unzGetCurrentFileInfoPosition (unzFile file, unsigned long *pos );
/*
Get the position of the info of the current file in the zip.
return UNZ_OK if there is no problem
*/
extern int unzSetCurrentFileInfoPosition (unzFile file, unsigned long pos );
/*
Set the position of the info of the current file in the zip.
return UNZ_OK if there is no problem
*/
extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity);
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
@ -260,19 +210,44 @@ extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensiti
*/
extern int unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char *szFileName, unsigned long fileNameBufferSize, void *extraField, unsigned long extraFieldBufferSize, char *szComment, unsigned long commentBufferSize);
/* ****************************************** */
/* 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 ZEXPORT unzGetFilePos(
unzFile file,
unz_file_pos* file_pos);
extern int ZEXPORT unzGoToFilePos(
unzFile file,
unz_file_pos* file_pos);
/* ****************************************** */
extern int ZEXPORT 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
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
(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
(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)
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
@ -280,48 +255,81 @@ extern int unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char
from it, and close it (you can close it before reading all the file)
*/
extern int unzOpenCurrentFile (unzFile file);
extern int ZEXPORT 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 unzCloseCurrentFile (unzFile file);
extern int ZEXPORT 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 ZEXPORT 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 ZEXPORT 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 ZEXPORT 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 unzReadCurrentFile (unzFile file, void* buf, unsigned len);
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read unsigned chars from the current file (opened by unzOpenCurrentFile)
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 unsigned char copied if somes unsigned chars are copied
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 long unztell(unzFile file);
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int unzeof (unzFile file);
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
return 1 if the end of file was reached, 0 elsewhere
*/
extern int unzGetLocalExtrafield (unzFile file, void* buf, unsigned len);
extern int ZEXPORT 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
@ -330,7 +338,23 @@ extern int unzGetLocalExtrafield (unzFile file, void* buf, unsigned len);
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 unsigned chars copied in buf, or (if <0)
the error code
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
/***************************************************************************/
/* Get the current file offset */
extern uLong ZEXPORT unzGetOffset (unzFile file);
/* Set the current file offset */
extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */