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/*
This file is part of libextractor.
(C) 2008 Christian Grothoff (and other contributing authors)
libextractor 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, or (at your
option) any later version.
libextractor 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 libextractor; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef UNZIP_H_
#define UNZIP_H_
#include <zlib.h>
#define EXTRACTOR_UNZIP_OK (0)
#define EXTRACTOR_UNZIP_END_OF_LIST_OF_FILE (-100)
#define EXTRACTOR_UNZIP_ERRNO (Z_ERRNO)
#define EXTRACTOR_UNZIP_EOF (0)
#define EXTRACTOR_UNZIP_PARAMERROR (-102)
#define EXTRACTOR_UNZIP_BADZIPFILE (-103)
#define EXTRACTOR_UNZIP_INTERNALERROR (-104)
#define EXTRACTOR_UNZIP_CRCERROR (-105)
typedef voidp EXTRACTOR_unzip_file;
typedef struct EXTRACTOR_unzip_filefunc_def_s
{
voidpf ( *zopen_file) (voidpf opaque, const char* filename, int mode);
uLong ( *zread_file) (voidpf opaque, voidpf stream, void* buf, uLong size);
uLong ( *zwrite_file) (voidpf opaque, voidpf stream, const void* buf, uLong size);
long ( *ztell_file) (voidpf opaque, voidpf stream);
long ( *zseek_file) (voidpf opaque, voidpf stream, uLong offset, int origin);
int ( *zclose_file) (voidpf opaque, voidpf stream);
int ( *zerror_file) (voidpf opaque, voidpf stream);
voidpf opaque;
} EXTRACTOR_unzip_filefunc_def;
/* tm_unz contain date/time info */
typedef struct EXTRACTOR_unzip_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] */
} EXTRACTOR_unzip_tm_unz;
/* unz_file_info contain information about a file in the zipfile */
typedef struct EXTRACTOR_unzip_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 */
EXTRACTOR_unzip_tm_unz tmu_date;
} EXTRACTOR_unzip_file_info;
int EXTRACTOR_common_unzip_string_file_name_compare(const char* fileName1,
const char* fileName2, int iCaseSensitivity);
int EXTRACTOR_common_unzip_go_to_first_file(EXTRACTOR_unzip_file file);
EXTRACTOR_unzip_file EXTRACTOR_common_unzip_open2(const char *path,
EXTRACTOR_unzip_filefunc_def* pzlib_filefunc_def);
int EXTRACTOR_common_unzip_close_current_file(EXTRACTOR_unzip_file file);
int EXTRACTOR_common_unzip_close(EXTRACTOR_unzip_file file);
int EXTRACTOR_common_unzip_get_current_file_info(EXTRACTOR_unzip_file file,
EXTRACTOR_unzip_file_info *pfile_info, char *szFileName, uLong fileNameBufferSize,
void *extraField, uLong extraFieldBufferSize, char *szComment,
uLong commentBufferSize);
int EXTRACTOR_common_unzip_go_to_next_file(EXTRACTOR_unzip_file file);
int EXTRACTOR_common_unzip_local_file(EXTRACTOR_unzip_file file, const char *szFileName,
int iCaseSensitivity);
int EXTRACTOR_common_unzip_read_current_file(EXTRACTOR_unzip_file file, voidp buf,
unsigned len);
int EXTRACTOR_common_unzip_open_current_file3(EXTRACTOR_unzip_file file, int* method,
int* level, int raw);
voidpf EXTRACTOR_common_unzip_zlib_open_file_func(voidpf opaque,
const char* filename, int mode);
uLong EXTRACTOR_common_unzip_zlib_read_file_func(voidpf opaque, voidpf stream,
void* buf, uLong size);
long EXTRACTOR_common_unzip_zlib_tell_file_func(voidpf opaque, voidpf stream);
long EXTRACTOR_common_unzip_zlib_seek_file_func(voidpf opaque, voidpf stream,
uLong offset, int origin);
int EXTRACTOR_common_unzip_zlib_close_file_func(voidpf opaque, voidpf stream);
int EXTRACTOR_common_unzip_zlib_testerror_file_func(voidpf opaque,
voidpf stream);
#endif /* UNZIP_H_ */
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