| /* 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 |
| |
| /* merged from ioapi.h */ |
| #include <stdint.h> |
| typedef uint64_t ZPOS64_T; |
| |
| /* apparently needed for zlib > 1.2.5 with --with-system-zlib, PR#14951 */ |
| #ifndef OF |
| # define OF(x) x |
| #endif |
| |
| #define ZLIB_FILEFUNC_SEEK_CUR (1) |
| #define ZLIB_FILEFUNC_SEEK_END (2) |
| #define ZLIB_FILEFUNC_SEEK_SET (0) |
| |
| #define ZLIB_FILEFUNC_MODE_READ (1) |
| #define ZLIB_FILEFUNC_MODE_WRITE (2) |
| #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) |
| |
| #define ZLIB_FILEFUNC_MODE_EXISTING (4) |
| #define ZLIB_FILEFUNC_MODE_CREATE (8) |
| |
| static voidpf fopen_func(const void* filename, int mode); |
| static ZPOS64_T ftell_func(voidpf stream); |
| static int fseek_func(voidpf stream, ZPOS64_T offset, int origin); |
| static size_t fread_func(voidpf stream, void* buf, size_t size); |
| static int fclose_func(voidpf stream); |
| static int ferror_func(voidpf stream); |
| /* end of merge */ |
| |
| #ifdef HAVE_BZIP2 |
| #include "bzlib.h" |
| #endif |
| |
| #define Z_BZIP2ED 12 |
| |
| typedef voidp unzFile; |
| |
| #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; |
| |
| 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_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; |
| |
| |
| static int unzStringFileNameCompare OF ((const char* fileName1, |
| const char* fileName2, |
| int iCaseSensitivity)); |
| |
| static unzFile unzOpen64 OF((const void *path)); |
| |
| |
| static int unzClose OF((unzFile file)); |
| |
| static int unzGetGlobalInfo64 OF((unzFile file, |
| unz_global_info64 *pglobal_info)); |
| |
| |
| /***************************************************************************/ |
| /* Unzip package allow you browse the directory of the zipfile */ |
| |
| static int unzGoToFirstFile OF((unzFile file)); |
| /* |
| Set the current file of the zipfile to the first file. |
| return UNZ_OK if there is no problem |
| */ |
| |
| static int 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. |
| */ |
| |
| static int 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 |
| */ |
| |
| |
| |
| /* ****************************************** */ |
| |
| static int unzGetCurrentFileInfo64 OF((unzFile file, |
| unz_file_info64 *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) |
| */ |
| |
| |
| /***************************************************************************/ |
| /* 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) |
| */ |
| |
| static int 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. |
| */ |
| |
| static int 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 |
| */ |
| |
| static int 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) |
| */ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _unz64_H */ |