unzip.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zlib.h"
#include "unzip.h"
#include <errno.h>
#include "crypt.h"

Include dependency graph for unzip.c:

Go to the source code of this file.

Data Structures
struct	unz_file_info_internal_s
struct	file_in_zip_read_info_s
struct	unz_s
Defines
#define	local   static
#define	CASESENSITIVITYDEFAULT_NO
#define	UNZ_BUFSIZE   (16384)
#define	UNZ_MAXFILENAMEINZIP   (256)
#define	ALLOC(size)   (malloc(size))
#define	TRYFREE(p)   {if (p) free(p);}
#define	SIZECENTRALDIRITEM   (0x2e)
#define	SIZEZIPLOCALHEADER   (0x1e)
#define	CASESENSITIVITYDEFAULTVALUE   2
#define	STRCMPCASENOSENTIVEFUNCTION   strcmpcasenosensitive_internal
#define	BUFREADCOMMENT   (0x400)
Typedefs
typedef unz_file_info_internal_s	unz_file_info_internal
Functions
local int unzlocal_getByte	OF ((const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, int *pi))
local int	unzlocal_getByte (zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, int *pi) const
local int unzlocal_getShort	OF ((const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, uLong *pX))
local int	unzlocal_getShort (zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, uLong *pX) const
local int	unzlocal_getLong (zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, uLong *pX) const
local int	strcmpcasenosensitive_internal (char *fileName1, const char *fileName2) const
int ZEXPORT	unzStringFileNameCompare (char *fileName1, const char *fileName2, int iCaseSensitivity) const
local uLong unzlocal_SearchCentralDir	OF ((const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream))
local uLong	unzlocal_SearchCentralDir (zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream) const
unzFile ZEXPORT	unzOpen2 (char *path, zlib_filefunc_def *pzlib_filefunc_def) const
unzFile ZEXPORT	unzOpen (char *path) const
int ZEXPORT	unzClose (unzFile file)
int ZEXPORT	unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info)
local void	unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz *ptm)
local int unzlocal_GetCurrentFileInfoInternal	OF ((unzFile file, unz_file_info *pfile_info, unz_file_info_internal *pfile_info_internal, char *szFileName, uLong fileNameBufferSize, void *extraField, uLong extraFieldBufferSize, char *szComment, uLong commentBufferSize))
local int	unzlocal_GetCurrentFileInfoInternal (unzFile file, unz_file_info *pfile_info, unz_file_info_internal *pfile_info_internal, char *szFileName, uLong fileNameBufferSize, void *extraField, uLong extraFieldBufferSize, char *szComment, uLong commentBufferSize)
int ZEXPORT	unzGetCurrentFileInfo (unzFile file, unz_file_info *pfile_info, char *szFileName, uLong fileNameBufferSize, void *extraField, uLong extraFieldBufferSize, char *szComment, uLong commentBufferSize)
int ZEXPORT	unzGoToFirstFile (unzFile file)
int ZEXPORT	unzGoToNextFile (unzFile file)
int ZEXPORT	unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity)
int ZEXPORT	unzGetFilePos (unzFile file, unz_file_pos *file_pos)
int ZEXPORT	unzGoToFilePos (unzFile file, unz_file_pos *file_pos)
local int	unzlocal_CheckCurrentFileCoherencyHeader (unz_s *s, uInt *piSizeVar, uLong *poffset_local_extrafield, uInt *psize_local_extrafield)
int ZEXPORT	unzOpenCurrentFile3 (unzFile file, int *method, int *level, int raw, const char *password)
int ZEXPORT	unzOpenCurrentFile (unzFile file)
int ZEXPORT	unzOpenCurrentFilePassword (unzFile file, const char *password)
int ZEXPORT	unzOpenCurrentFile2 (unzFile file, int *method, int *level, int raw)
int ZEXPORT	unzReadCurrentFile (unzFile file, voidp buf, unsigned len)
z_off_t ZEXPORT	unztell (unzFile file)
int ZEXPORT	unzeof (unzFile file)
int ZEXPORT	unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len)
int ZEXPORT	unzCloseCurrentFile (unzFile file)
int ZEXPORT	unzGetGlobalComment (unzFile file, char *szComment, uLong uSizeBuf)
uLong ZEXPORT	unzGetOffset (unzFile file)
int ZEXPORT	unzSetOffset (unzFile file, uLong pos)
Variables
const char	unz_copyright []

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Define Documentation

#define ALLOC (  size   )     (malloc(size))

Definition at line 78 of file unzip.c. Referenced by allocate_new_datablock(), gz_open(), gzerror(), gzseek(), unzlocal_SearchCentralDir(), unzOpen2(), unzOpenCurrentFile3(), ziplocal_SearchCentralDir(), zipOpen2(), and zipOpenNewFileInZip3().

#define BUFREADCOMMENT   (0x400)

Definition at line 320 of file unzip.c. Referenced by unzlocal_SearchCentralDir(), and ziplocal_SearchCentralDir().

#define CASESENSITIVITYDEFAULT_NO

Definition at line 64 of file unzip.c.

#define CASESENSITIVITYDEFAULTVALUE   2

Definition at line 287 of file unzip.c. Referenced by unzStringFileNameCompare().

#define local   static

Definition at line 57 of file unzip.c.

#define SIZECENTRALDIRITEM   (0x2e)

Definition at line 84 of file unzip.c. Referenced by unzGoToNextFile().

#define SIZEZIPLOCALHEADER   (0x1e)

Definition at line 85 of file unzip.c. Referenced by unzlocal_CheckCurrentFileCoherencyHeader(), and unzOpenCurrentFile3().

#define STRCMPCASENOSENTIVEFUNCTION   strcmpcasenosensitive_internal

Definition at line 293 of file unzip.c. Referenced by unzStringFileNameCompare().

#define TRYFREE (  p   )     {if (p) free(p);}

Definition at line 81 of file unzip.c. Referenced by destroy(), free_datablock(), gzerror(), unzClose(), unzCloseCurrentFile(), unzOpenCurrentFile3(), zipClose(), and zipOpen2().

#define UNZ_BUFSIZE   (16384)

Definition at line 70 of file unzip.c. Referenced by unzOpenCurrentFile3(), and unzReadCurrentFile().

#define UNZ_MAXFILENAMEINZIP   (256)

Definition at line 74 of file unzip.c. Referenced by unzLocateFile().

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Typedef Documentation

typedef struct unz_file_info_internal_s unz_file_info_internal

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Function Documentation

local int unzlocal_GetCurrentFileInfoInternal OF (  (unzFile file, unz_file_info *pfile_info, unz_file_info_internal *pfile_info_internal, char *szFileName, uLong fileNameBufferSize, void *extraField, uLong extraFieldBufferSize, char *szComment, uLong commentBufferSize)   )

local uLong unzlocal_SearchCentralDir OF (  (const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream)   )

local int unzlocal_getShort OF (  (const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, uLong *pX)   )

local int unzlocal_getByte OF (  (const zlib_filefunc_def *pzlib_filefunc_def, voidpf filestream, int *pi)   )

local int strcmpcasenosensitive_internal (  char*  fileName1, const char*  fileName2 )  const

Definition at line 262 of file unzip.c.

int ZEXPORT unzClose (  unzFile  file  )

Definition at line 511 of file unzip.c. References NULL, s, TRYFREE, UNZ_OK, UNZ_PARAMERROR, unzCloseCurrentFile(), and ZCLOSE.

int ZEXPORT unzCloseCurrentFile (  unzFile  file  )

Definition at line 1489 of file unzip.c. References file_in_zip_read_info_s::crc32, file_in_zip_read_info_s::crc32_wait, err, inflateEnd(), NULL, file_in_zip_read_info_s::raw, file_in_zip_read_info_s::read_buffer, file_in_zip_read_info_s::rest_read_uncompressed, s, file_in_zip_read_info_s::stream, file_in_zip_read_info_s::stream_initialised, TRYFREE, UNZ_CRCERROR, UNZ_OK, and UNZ_PARAMERROR. Referenced by do_extract_currentfile(), unzClose(), and unzOpenCurrentFile3().

int ZEXPORT unzeof (  unzFile  file  )

Definition at line 1405 of file unzip.c. References NULL, file_in_zip_read_info_s::rest_read_uncompressed, s, and UNZ_PARAMERROR.

int ZEXPORT unzGetCurrentFileInfo (  unzFile  file, unz_file_info *  pfile_info, char *  szFileName, uLong  fileNameBufferSize, void *  extraField, uLong  extraFieldBufferSize, char *  szComment, uLong  commentBufferSize )

Definition at line 744 of file unzip.c. References NULL, and unzlocal_GetCurrentFileInfoInternal(). Referenced by do_extract_currentfile(), do_list(), and unzLocateFile().

int ZEXPORT unzGetFilePos (  unzFile  file, unz_file_pos*  file_pos )

Definition at line 903 of file unzip.c. References NULL, unz_file_pos_s::num_of_file, unz_file_pos_s::pos_in_zip_directory, s, UNZ_END_OF_LIST_OF_FILE, UNZ_OK, and UNZ_PARAMERROR.

int ZEXPORT unzGetGlobalComment (  unzFile  file, char *  szComment, uLong  uSizeBuf )

Definition at line 1532 of file unzip.c. References err, NULL, s, UNZ_ERRNO, UNZ_OK, UNZ_PARAMERROR, ZLIB_FILEFUNC_SEEK_SET, ZREAD, and ZSEEK.

int ZEXPORT unzGetGlobalInfo (  unzFile  file, unz_global_info *  pglobal_info )

Definition at line 532 of file unzip.c. References NULL, s, UNZ_OK, and UNZ_PARAMERROR. Referenced by do_extract(), and do_list().

int ZEXPORT unzGetLocalExtrafield (  unzFile  file, voidp  buf, unsigned  len )

Definition at line 1438 of file unzip.c. References file_in_zip_read_info_s::filestream, NULL, file_in_zip_read_info_s::offset_local_extrafield, file_in_zip_read_info_s::pos_local_extrafield, s, file_in_zip_read_info_s::size_local_extrafield, UNZ_ERRNO, UNZ_PARAMERROR, file_in_zip_read_info_s::z_filefunc, ZLIB_FILEFUNC_SEEK_SET, ZREAD, and ZSEEK.

uLong ZEXPORT unzGetOffset (  unzFile  file  )

Definition at line 1564 of file unzip.c. References NULL, s, and UNZ_PARAMERROR.

int ZEXPORT unzGoToFilePos (  unzFile  file, unz_file_pos*  file_pos )

Definition at line 921 of file unzip.c. References err, NULL, unz_file_pos_s::num_of_file, unz_file_pos_s::pos_in_zip_directory, s, UNZ_OK, UNZ_PARAMERROR, and unzlocal_GetCurrentFileInfoInternal().

int ZEXPORT unzGoToFirstFile (  unzFile  file  )

Definition at line 768 of file unzip.c. References err, NULL, s, UNZ_OK, UNZ_PARAMERROR, and unzlocal_GetCurrentFileInfoInternal(). Referenced by unzLocateFile(), and unzOpen2().

int ZEXPORT unzGoToNextFile (  unzFile  file  )

Definition at line 790 of file unzip.c. References err, NULL, s, SIZECENTRALDIRITEM, UNZ_END_OF_LIST_OF_FILE, UNZ_OK, UNZ_PARAMERROR, and unzlocal_GetCurrentFileInfoInternal(). Referenced by do_extract(), do_list(), and unzLocateFile().

local int unzlocal_CheckCurrentFileCoherencyHeader (  unz_s*  s, uInt*  piSizeVar, uLong *  poffset_local_extrafield, uInt *  psize_local_extrafield )

Definition at line 957 of file unzip.c. References err, SIZEZIPLOCALHEADER, UNZ_BADZIPFILE, UNZ_ERRNO, UNZ_OK, unzlocal_getLong(), unzlocal_getShort(), Z_DEFLATED, ZLIB_FILEFUNC_SEEK_SET, and ZSEEK. Referenced by unzOpenCurrentFile3().

local void unzlocal_DosDateToTmuDate (  uLong  ulDosDate, tm_unz*  ptm )

Definition at line 548 of file unzip.c. References tm_unz_s::tm_hour, tm_unz_s::tm_mday, tm_unz_s::tm_min, tm_unz_s::tm_mon, tm_unz_s::tm_sec, and tm_unz_s::tm_year. Referenced by unzlocal_GetCurrentFileInfoInternal().

local int unzlocal_getByte (  zlib_filefunc_def*  pzlib_filefunc_def, voidpf  filestream, int *  pi )  const

Definition at line 171 of file unzip.c. References c, err, int(), UNZ_EOF, UNZ_ERRNO, UNZ_OK, ZERROR, and ZREAD. Referenced by unzlocal_getLong(), and unzlocal_getShort().

local int unzlocal_GetCurrentFileInfoInternal (  unzFile  file, unz_file_info *  pfile_info, unz_file_info_internal *  pfile_info_internal, char *  szFileName, uLong  fileNameBufferSize, void *  extraField, uLong  extraFieldBufferSize, char *  szComment, uLong  commentBufferSize )

Definition at line 577 of file unzip.c. References unz_file_info_s::compressed_size, unz_file_info_s::compression_method, unz_file_info_s::crc, unz_file_info_s::disk_num_start, unz_file_info_s::dosDate, err, unz_file_info_s::external_fa, unz_file_info_s::flag, unz_file_info_s::internal_fa, NULL, unz_file_info_internal_s::offset_curfile, s, unz_file_info_s::size_file_comment, unz_file_info_s::size_file_extra, unz_file_info_s::size_filename, unz_file_info_s::tmu_date, unz_file_info_s::uncompressed_size, UNZ_BADZIPFILE, UNZ_ERRNO, UNZ_OK, UNZ_PARAMERROR, unzlocal_DosDateToTmuDate(), unzlocal_getLong(), unzlocal_getShort(), unz_file_info_s::version, unz_file_info_s::version_needed, ZLIB_FILEFUNC_SEEK_CUR, ZLIB_FILEFUNC_SEEK_SET, ZREAD, and ZSEEK. Referenced by unzGetCurrentFileInfo(), unzGoToFilePos(), unzGoToFirstFile(), unzGoToNextFile(), and unzSetOffset().

local int unzlocal_getLong (  zlib_filefunc_def*  pzlib_filefunc_def, voidpf  filestream, uLong *  pX )  const

Definition at line 229 of file unzip.c. References err, i, UNZ_OK, unzlocal_getByte(), and x. Referenced by unzlocal_CheckCurrentFileCoherencyHeader(), unzlocal_GetCurrentFileInfoInternal(), and unzOpen2().

local int unzlocal_getShort (  zlib_filefunc_def*  pzlib_filefunc_def, voidpf  filestream, uLong *  pX )  const

Definition at line 201 of file unzip.c. References err, i, UNZ_OK, unzlocal_getByte(), and x. Referenced by unzlocal_CheckCurrentFileCoherencyHeader(), unzlocal_GetCurrentFileInfoInternal(), and unzOpen2().

local uLong unzlocal_SearchCentralDir (  zlib_filefunc_def*  pzlib_filefunc_def, voidpf  filestream )  const

Definition at line 331 of file unzip.c. References ALLOC, BUFREADCOMMENT, i, NULL, ZLIB_FILEFUNC_SEEK_END, ZLIB_FILEFUNC_SEEK_SET, ZREAD, ZSEEK, and ZTELL. Referenced by unzOpen2().

int ZEXPORT unzLocateFile (  unzFile  file, const char *  szFileName, int  iCaseSensitivity )

Definition at line 824 of file unzip.c. References err, NULL, s, strlen(), UNZ_END_OF_LIST_OF_FILE, UNZ_MAXFILENAMEINZIP, UNZ_OK, UNZ_PARAMERROR, unzGetCurrentFileInfo(), unzGoToFirstFile(), unzGoToNextFile(), and unzStringFileNameCompare(). Referenced by do_extract_onefile().

unzFile ZEXPORT unzOpen (  char *  path  )  const

Definition at line 500 of file unzip.c. References NULL, and unzOpen2().

unzFile ZEXPORT unzOpen2 (  char *  path, zlib_filefunc_def*  pzlib_filefunc_def )  const

Definition at line 397 of file unzip.c. References ALLOC, err, fill_fopen_filefunc(), NULL, s, UNZ_BADZIPFILE, unz_copyright, UNZ_ERRNO, UNZ_OK, unzGoToFirstFile(), unzlocal_getLong(), unzlocal_getShort(), unzlocal_SearchCentralDir(), us, ZCLOSE, ZLIB_FILEFUNC_MODE_EXISTING, ZLIB_FILEFUNC_MODE_READ, ZLIB_FILEFUNC_SEEK_SET, and ZSEEK. Referenced by unzOpen().

int ZEXPORT unzOpenCurrentFile (  unzFile  file  )

Definition at line 1192 of file unzip.c. References NULL, and unzOpenCurrentFile3().

int ZEXPORT unzOpenCurrentFile2 (  unzFile  file, int*  method, int*  level, int  raw )

Definition at line 1205 of file unzip.c. References NULL, and unzOpenCurrentFile3().

int ZEXPORT unzOpenCurrentFile3 (  unzFile  file, int*  method, int*  level, int  raw, const char*  password )

Definition at line 1047 of file unzip.c. References ALLOC, z_stream_s::avail_in, file_in_zip_read_info_s::byte_before_the_zipfile, file_in_zip_read_info_s::compression_method, file_in_zip_read_info_s::crc32, file_in_zip_read_info_s::crc32_wait, err, file_in_zip_read_info_s::filestream, get_crc_table(), i, if(), inflateInit2, init_keys(), int(), MAX_WBITS, z_stream_s::next_in, NULL, file_in_zip_read_info_s::offset_local_extrafield, z_stream_s::opaque, file_in_zip_read_info_s::pos_in_zipfile, file_in_zip_read_info_s::pos_local_extrafield, file_in_zip_read_info_s::raw, file_in_zip_read_info_s::read_buffer, file_in_zip_read_info_s::rest_read_compressed, file_in_zip_read_info_s::rest_read_uncompressed, s, SEEK_SET, file_in_zip_read_info_s::size_local_extrafield, SIZEZIPLOCALHEADER, source, file_in_zip_read_info_s::stream, file_in_zip_read_info_s::stream_initialised, z_stream_s::total_out, TRYFREE, UNZ_BADZIPFILE, UNZ_BUFSIZE, UNZ_INTERNALERROR, UNZ_OK, UNZ_PARAMERROR, unzCloseCurrentFile(), unzlocal_CheckCurrentFileCoherencyHeader(), Z_DEFLATED, file_in_zip_read_info_s::z_filefunc, Z_OK, z_stream_s::zalloc, zdecode, z_stream_s::zfree, ZREAD, and ZSEEK. Referenced by unzOpenCurrentFile(), unzOpenCurrentFile2(), and unzOpenCurrentFilePassword().

int ZEXPORT unzOpenCurrentFilePassword (  unzFile  file, const char*  password )

Definition at line 1198 of file unzip.c. References NULL, and unzOpenCurrentFile3(). Referenced by do_extract_currentfile().

int ZEXPORT unzReadCurrentFile (  unzFile  file, voidp  buf, unsigned  len )

Definition at line 1224 of file unzip.c. References z_stream_s::avail_in, z_stream_s::avail_out, file_in_zip_read_info_s::byte_before_the_zipfile, file_in_zip_read_info_s::compression_method, crc32(), file_in_zip_read_info_s::crc32, err, file_in_zip_read_info_s::filestream, flush, i, if(), inflate(), z_stream_s::msg, z_stream_s::next_in, z_stream_s::next_out, NULL, file_in_zip_read_info_s::pos_in_zipfile, file_in_zip_read_info_s::raw, file_in_zip_read_info_s::read_buffer, file_in_zip_read_info_s::rest_read_compressed, file_in_zip_read_info_s::rest_read_uncompressed, return(), s, file_in_zip_read_info_s::stream, z_stream_s::total_out, UNZ_BUFSIZE, UNZ_END_OF_LIST_OF_FILE, UNZ_EOF, UNZ_ERRNO, UNZ_OK, UNZ_PARAMERROR, Z_DATA_ERROR, file_in_zip_read_info_s::z_filefunc, Z_OK, Z_STREAM_END, Z_SYNC_FLUSH, zdecode, ZLIB_FILEFUNC_SEEK_SET, ZREAD, and ZSEEK. Referenced by do_extract_currentfile().

int ZEXPORT unzSetOffset (  unzFile  file, uLong  pos )

Definition at line 1580 of file unzip.c. References err, NULL, s, UNZ_OK, UNZ_PARAMERROR, and unzlocal_GetCurrentFileInfoInternal().

int ZEXPORT unzStringFileNameCompare (  char*  fileName1, const char*  fileName2, int  iCaseSensitivity )  const

Definition at line 305 of file unzip.c. References CASESENSITIVITYDEFAULTVALUE, strcmp, and STRCMPCASENOSENTIVEFUNCTION. Referenced by unzLocateFile().

z_off_t ZEXPORT unztell (  unzFile  file  )

Definition at line 1385 of file unzip.c. References NULL, s, file_in_zip_read_info_s::stream, z_stream_s::total_out, UNZ_PARAMERROR, and z_off_t.

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Variable Documentation

const char unz_copyright[]

Initial value: " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll" Definition at line 90 of file unzip.c. Referenced by unzOpen2().

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