diff options
Diffstat (limited to '3rdparty/zlib/contrib/minizip/unzip.c')
-rw-r--r-- | 3rdparty/zlib/contrib/minizip/unzip.c | 552 |
1 files changed, 206 insertions, 346 deletions
diff --git a/3rdparty/zlib/contrib/minizip/unzip.c b/3rdparty/zlib/contrib/minizip/unzip.c index bcfb9416ec3..ea05b7d62a0 100644 --- a/3rdparty/zlib/contrib/minizip/unzip.c +++ b/3rdparty/zlib/contrib/minizip/unzip.c @@ -49,12 +49,12 @@ Copyright (C) 2007-2008 Even Rouault - Oct-2009 - Mathias Svensson - Removed cpl_* from symbol names (Even Rouault added them but since this is now moved to a new project (minizip64) I renamed them again). + Oct-2009 - Mathias Svensson - Removed cpl_* from symbol names (Even Rouault added them but since this is now moved to a new project (minizip64) I renamed them again). Oct-2009 - Mathias Svensson - Fixed problem if uncompressed size was > 4G and compressed size was <4G should only read the compressed/uncompressed size from the Zip64 format if the size from normal header was 0xFFFFFFFF - Oct-2009 - Mathias Svensson - Applied some bug fixes from paches recived from Gilles Vollant - Oct-2009 - Mathias Svensson - Applied support to unzip files with compression mathod BZIP2 (bzip2 lib is required) + Oct-2009 - Mathias Svensson - Applied some bug fixes from patches received from Gilles Vollant + Oct-2009 - Mathias Svensson - Applied support to unzip files with compression method BZIP2 (bzip2 lib is required) Patch created by Daniel Borca Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer @@ -77,8 +77,6 @@ #ifdef STDC # include <stddef.h> -# include <string.h> -# include <stdlib.h> #endif #ifdef NO_ERRNO_H extern int errno; @@ -111,9 +109,6 @@ #ifndef ALLOC # define ALLOC(size) (malloc(size)) #endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif #define SIZECENTRALDIRITEM (0x2e) #define SIZEZIPLOCALHEADER (0x1e) @@ -122,7 +117,7 @@ const char unz_copyright[] = " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; -/* unz_file_info_interntal contain internal info about a file in zipfile*/ +/* unz_file_info64_internal contain internal info about a file in zipfile*/ typedef struct unz_file_info64_internal_s { ZPOS64_T offset_curfile;/* relative offset of local header 8 bytes */ @@ -153,7 +148,7 @@ typedef struct ZPOS64_T rest_read_compressed; /* number of byte to be decompressed */ ZPOS64_T rest_read_uncompressed;/*number of byte to be obtained after decomp*/ zlib_filefunc64_32_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ + voidpf filestream; /* io structure of the zipfile */ uLong compression_method; /* compression method (0==store) */ ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ int raw; @@ -166,7 +161,7 @@ typedef struct { zlib_filefunc64_32_def z_filefunc; int is64bitOpenFunction; - voidpf filestream; /* io structore of the zipfile */ + voidpf filestream; /* io structure of the zipfile */ unz_global_info64 gi; /* public global information */ ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ ZPOS64_T num_file; /* number of the current file in the zipfile*/ @@ -197,29 +192,24 @@ typedef struct #include "crypt.h" #endif + /* =========================================================================== - Read a byte from a gz_stream; update next_in and avail_in. Return EOF - for end of file. - IN assertion: the stream s has been successfully opened for reading. + Reads a long in LSB order from the given gz_stream. Sets */ - -local int unz64local_getByte OF(( - const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - int *pi)); - -local int unz64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi) -{ - unsigned char c; - int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) +local int unz64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) { + unsigned char c[2]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,2); + if (err==2) { - *pi = (int)c; + *pX = c[0] | ((uLong)c[1] << 8); return UNZ_OK; } else { + *pX = 0; if (ZERROR64(*pzlib_filefunc_def,filestream)) return UNZ_ERRNO; else @@ -227,127 +217,50 @@ local int unz64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, v } } - -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets -*/ -local int unz64local_getShort OF(( - const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unz64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, +local int unz64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, - uLong *pX) -{ - uLong x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<8; - - if (err==UNZ_OK) - *pX = x; - else - *pX = 0; - return err; -} - -local int unz64local_getLong OF(( - const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unz64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX) -{ - uLong x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<8; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<16; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==UNZ_OK) - *pX = x; + uLong *pX) { + unsigned char c[4]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,4); + if (err==4) + { + *pX = c[0] | ((uLong)c[1] << 8) | ((uLong)c[2] << 16) | ((uLong)c[3] << 24); + return UNZ_OK; + } else + { *pX = 0; - return err; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } } -local int unz64local_getLong64 OF(( - const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - ZPOS64_T *pX)); - - -local int unz64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - ZPOS64_T *pX) -{ - ZPOS64_T x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (ZPOS64_T)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<8; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<16; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<24; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<32; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<40; - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<48; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<56; - - if (err==UNZ_OK) - *pX = x; +local int unz64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + ZPOS64_T *pX) { + unsigned char c[8]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,8); + if (err==8) + { + *pX = c[0] | ((ZPOS64_T)c[1] << 8) | ((ZPOS64_T)c[2] << 16) | ((ZPOS64_T)c[3] << 24) + | ((ZPOS64_T)c[4] << 32) | ((ZPOS64_T)c[5] << 40) | ((ZPOS64_T)c[6] << 48) | ((ZPOS64_T)c[7] << 56); + return UNZ_OK; + } else + { *pX = 0; - return err; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } } /* My own strcmpi / strcasecmp */ -local int strcmpcasenosensitive_internal (const char* fileName1, const char* fileName2) -{ +local int strcmpcasenosensitive_internal(const char* fileName1, const char* fileName2) { for (;;) { char c1=*(fileName1++); @@ -379,19 +292,17 @@ local int strcmpcasenosensitive_internal (const char* fileName1, const char* fil #endif /* - Compare two filename (fileName1,fileName2). - If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) - If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + Compare two filenames (fileName1,fileName2). + If iCaseSensitivity = 1, comparison is case sensitive (like strcmp) + If iCaseSensitivity = 2, comparison is not case sensitive (like strcmpi or strcasecmp) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + If iCaseSensitivity = 0, case sensitivity is default of your operating system (like 1 on Unix, 2 on Windows) */ extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, - const char* fileName2, - int iCaseSensitivity) - -{ + const char* fileName2, + int iCaseSensitivity) { if (iCaseSensitivity==0) iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; @@ -405,21 +316,23 @@ extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, #define BUFREADCOMMENT (0x400) #endif +#ifndef CENTRALDIRINVALID +#define CENTRALDIRINVALID ((ZPOS64_T)(-1)) +#endif + /* Locate the Central directory of a zipfile (at the end, just before the global comment) */ -local ZPOS64_T unz64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); -local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) -{ +local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { unsigned char* buf; ZPOS64_T uSizeFile; ZPOS64_T uBackRead; ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ - ZPOS64_T uPosFound=0; + ZPOS64_T uPosFound=CENTRALDIRINVALID; if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; + return CENTRALDIRINVALID; uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); @@ -429,7 +342,7 @@ local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); if (buf==NULL) - return 0; + return CENTRALDIRINVALID; uBackRead = 4; while (uBackRead<uMaxBack) @@ -455,14 +368,14 @@ local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } - if (uPosFound!=0) + if (uPosFound!=CENTRALDIRINVALID) break; } - TRYFREE(buf); + free(buf); return uPosFound; } @@ -471,23 +384,18 @@ local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f Locate the Central directory 64 of a zipfile (at the end, just before the global comment) */ -local ZPOS64_T unz64local_SearchCentralDir64 OF(( - const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream)); - local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream) -{ + voidpf filestream) { unsigned char* buf; ZPOS64_T uSizeFile; ZPOS64_T uBackRead; ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ - ZPOS64_T uPosFound=0; + ZPOS64_T uPosFound=CENTRALDIRINVALID; uLong uL; ZPOS64_T relativeOffset; if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; + return CENTRALDIRINVALID; uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); @@ -497,7 +405,7 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); if (buf==NULL) - return 0; + return CENTRALDIRINVALID; uBackRead = 4; while (uBackRead<uMaxBack) @@ -523,51 +431,51 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } - if (uPosFound!=0) + if (uPosFound!=CENTRALDIRINVALID) break; } - TRYFREE(buf); - if (uPosFound == 0) - return 0; + free(buf); + if (uPosFound == CENTRALDIRINVALID) + return CENTRALDIRINVALID; /* Zip64 end of central directory locator */ if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) - return 0; + return CENTRALDIRINVALID; /* the signature, already checked */ if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) - return 0; + return CENTRALDIRINVALID; - /* number of the disk with the start of the zip64 end of central directory */ + /* number of the disk with the start of the zip64 end of central directory */ if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) - return 0; + return CENTRALDIRINVALID; if (uL != 0) - return 0; + return CENTRALDIRINVALID; /* relative offset of the zip64 end of central directory record */ if (unz64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=UNZ_OK) - return 0; + return CENTRALDIRINVALID; /* total number of disks */ if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) - return 0; + return CENTRALDIRINVALID; if (uL != 1) - return 0; + return CENTRALDIRINVALID; /* Goto end of central directory record */ if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) - return 0; + return CENTRALDIRINVALID; /* the signature */ if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) - return 0; + return CENTRALDIRINVALID; if (uL != 0x06064b50) - return 0; + return CENTRALDIRINVALID; return relativeOffset; } @@ -581,19 +489,18 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib Else, the return value is a unzFile Handle, usable with other function of this unzip package. */ -local unzFile unzOpenInternal (const void *path, - zlib_filefunc64_32_def* pzlib_filefunc64_32_def, - int is64bitOpenFunction) -{ +local unzFile unzOpenInternal(const void *path, + zlib_filefunc64_32_def* pzlib_filefunc64_32_def, + int is64bitOpenFunction) { unz64_s us; unz64_s *s; ZPOS64_T central_pos; uLong uL; - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ + uLong number_disk; /* number of the current disk, used for + spanning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the disk with central dir, used + for spanning ZIP, unsupported, always 0*/ ZPOS64_T number_entry_CD; /* total number of entries in the central dir (same than number_entry on nospan) */ @@ -621,7 +528,7 @@ local unzFile unzOpenInternal (const void *path, return NULL; central_pos = unz64local_SearchCentralDir64(&us.z_filefunc,us.filestream); - if (central_pos) + if (central_pos!=CENTRALDIRINVALID) { uLong uS; ZPOS64_T uL64; @@ -683,7 +590,7 @@ local unzFile unzOpenInternal (const void *path, else { central_pos = unz64local_SearchCentralDir(&us.z_filefunc,us.filestream); - if (central_pos==0) + if (central_pos==CENTRALDIRINVALID) err=UNZ_ERRNO; us.isZip64 = 0; @@ -762,9 +669,8 @@ local unzFile unzOpenInternal (const void *path, } -extern unzFile ZEXPORT unzOpen2 (const char *path, - zlib_filefunc_def* pzlib_filefunc32_def) -{ +extern unzFile ZEXPORT unzOpen2(const char *path, + zlib_filefunc_def* pzlib_filefunc32_def) { if (pzlib_filefunc32_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; @@ -775,9 +681,8 @@ extern unzFile ZEXPORT unzOpen2 (const char *path, return unzOpenInternal(path, NULL, 0); } -extern unzFile ZEXPORT unzOpen2_64 (const void *path, - zlib_filefunc64_def* pzlib_filefunc_def) -{ +extern unzFile ZEXPORT unzOpen2_64(const void *path, + zlib_filefunc64_def* pzlib_filefunc_def) { if (pzlib_filefunc_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; @@ -790,13 +695,11 @@ extern unzFile ZEXPORT unzOpen2_64 (const void *path, return unzOpenInternal(path, NULL, 1); } -extern unzFile ZEXPORT unzOpen (const char *path) -{ +extern unzFile ZEXPORT unzOpen(const char *path) { return unzOpenInternal(path, NULL, 0); } -extern unzFile ZEXPORT unzOpen64 (const void *path) -{ +extern unzFile ZEXPORT unzOpen64(const void *path) { return unzOpenInternal(path, NULL, 1); } @@ -805,8 +708,7 @@ extern unzFile ZEXPORT unzOpen64 (const void *path) 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 ZEXPORT unzClose (unzFile file) -{ +extern int ZEXPORT unzClose(unzFile file) { unz64_s* s; if (file==NULL) return UNZ_PARAMERROR; @@ -816,7 +718,7 @@ extern int ZEXPORT unzClose (unzFile file) unzCloseCurrentFile(file); ZCLOSE64(s->z_filefunc, s->filestream); - TRYFREE(s); + free(s); return UNZ_OK; } @@ -825,8 +727,7 @@ extern int ZEXPORT unzClose (unzFile file) 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 ZEXPORT unzGetGlobalInfo64 (unzFile file, unz_global_info64* pglobal_info) -{ +extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64* pglobal_info) { unz64_s* s; if (file==NULL) return UNZ_PARAMERROR; @@ -835,8 +736,7 @@ extern int ZEXPORT unzGetGlobalInfo64 (unzFile file, unz_global_info64* pglobal_ return UNZ_OK; } -extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info* pglobal_info32) -{ +extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32) { unz64_s* s; if (file==NULL) return UNZ_PARAMERROR; @@ -847,46 +747,33 @@ extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info* pglobal_info return UNZ_OK; } /* - Translate date/time from Dos format to tm_unz (readable more easilty) + Translate date/time from Dos format to tm_unz (readable more easily) */ -local void unz64local_DosDateToTmuDate (ZPOS64_T ulDosDate, tm_unz* ptm) -{ +local void unz64local_DosDateToTmuDate(ZPOS64_T ulDosDate, tm_unz* ptm) { ZPOS64_T uDate; uDate = (ZPOS64_T)(ulDosDate>>16); - ptm->tm_mday = (uInt)(uDate&0x1f) ; - ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ; - ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ; + ptm->tm_mday = (int)(uDate&0x1f) ; + ptm->tm_mon = (int)((((uDate)&0x1E0)/0x20)-1) ; + ptm->tm_year = (int)(((uDate&0x0FE00)/0x0200)+1980) ; - ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); - ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; - ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ; + ptm->tm_hour = (int) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (int) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (int) (2*(ulDosDate&0x1f)) ; } /* Get Info about the current file in the zipfile, with internal only info */ -local int unz64local_GetCurrentFileInfoInternal OF((unzFile file, - unz_file_info64 *pfile_info, - unz_file_info64_internal - *pfile_info_internal, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize)); - -local int unz64local_GetCurrentFileInfoInternal (unzFile file, - unz_file_info64 *pfile_info, - unz_file_info64_internal - *pfile_info_internal, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize) -{ +local int unz64local_GetCurrentFileInfoInternal(unzFile file, + unz_file_info64 *pfile_info, + unz_file_info64_internal + *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize) { unz64_s* s; unz_file_info64 file_info; unz_file_info64_internal file_info_internal; @@ -993,7 +880,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; @@ -1018,7 +905,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; @@ -1038,33 +925,31 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, /* ZIP64 extra fields */ if (headerId == 0x0001) { - uLong uL; - - if(file_info.uncompressed_size == MAXU32) - { - if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) - err=UNZ_ERRNO; - } - - if(file_info.compressed_size == MAXU32) - { - if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) - err=UNZ_ERRNO; - } - - if(file_info_internal.offset_curfile == MAXU32) - { - /* Relative Header offset */ - if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) - err=UNZ_ERRNO; - } - - if(file_info.disk_num_start == MAXU32) - { - /* Disk Start Number */ - if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) - err=UNZ_ERRNO; - } + if(file_info.uncompressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.compressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info_internal.offset_curfile == MAXU32) + { + /* Relative Header offset */ + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.disk_num_start == 0xffff) + { + /* Disk Start Number */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) + err=UNZ_ERRNO; + } } else @@ -1090,7 +975,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; @@ -1121,24 +1006,22 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, No preparation of the structure is needed return UNZ_OK if there is no problem. */ -extern int ZEXPORT unzGetCurrentFileInfo64 (unzFile file, - unz_file_info64 * pfile_info, - char * szFileName, uLong fileNameBufferSize, - void *extraField, uLong extraFieldBufferSize, - char* szComment, uLong commentBufferSize) -{ +extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, + unz_file_info64 * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) { return unz64local_GetCurrentFileInfoInternal(file,pfile_info,NULL, - szFileName,fileNameBufferSize, - extraField,extraFieldBufferSize, - szComment,commentBufferSize); + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); } -extern int ZEXPORT unzGetCurrentFileInfo (unzFile file, - unz_file_info * pfile_info, - char * szFileName, uLong fileNameBufferSize, - void *extraField, uLong extraFieldBufferSize, - char* szComment, uLong commentBufferSize) -{ +extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, + unz_file_info * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) { int err; unz_file_info64 file_info64; err = unz64local_GetCurrentFileInfoInternal(file,&file_info64,NULL, @@ -1162,7 +1045,7 @@ extern int ZEXPORT unzGetCurrentFileInfo (unzFile file, pfile_info->internal_fa = file_info64.internal_fa; pfile_info->external_fa = file_info64.external_fa; - pfile_info->tmu_date = file_info64.tmu_date, + pfile_info->tmu_date = file_info64.tmu_date; pfile_info->compressed_size = (uLong)file_info64.compressed_size; @@ -1175,8 +1058,7 @@ extern int ZEXPORT unzGetCurrentFileInfo (unzFile file, Set the current file of the zipfile to the first file. return UNZ_OK if there is no problem */ -extern int ZEXPORT unzGoToFirstFile (unzFile file) -{ +extern int ZEXPORT unzGoToFirstFile(unzFile file) { int err=UNZ_OK; unz64_s* s; if (file==NULL) @@ -1196,8 +1078,7 @@ extern int ZEXPORT unzGoToFirstFile (unzFile 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 ZEXPORT unzGoToNextFile (unzFile file) -{ +extern int ZEXPORT unzGoToNextFile(unzFile file) { unz64_s* s; int err; @@ -1229,8 +1110,7 @@ extern int ZEXPORT unzGoToNextFile (unzFile file) UNZ_OK if the file is found. It becomes the current file. UNZ_END_OF_LIST_OF_FILE if the file is not found */ -extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity) -{ +extern int ZEXPORT unzLocateFile(unzFile file, const char *szFileName, int iCaseSensitivity) { unz64_s* s; int err; @@ -1305,8 +1185,7 @@ typedef struct unz_file_pos_s } unz_file_pos; */ -extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos* file_pos) -{ +extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos* file_pos) { unz64_s* s; if (file==NULL || file_pos==NULL) @@ -1321,10 +1200,7 @@ extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos* file_pos) return UNZ_OK; } -extern int ZEXPORT unzGetFilePos( - unzFile file, - unz_file_pos* file_pos) -{ +extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos* file_pos) { unz64_file_pos file_pos64; int err = unzGetFilePos64(file,&file_pos64); if (err==UNZ_OK) @@ -1335,8 +1211,7 @@ extern int ZEXPORT unzGetFilePos( return err; } -extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos* file_pos) -{ +extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos* file_pos) { unz64_s* s; int err; @@ -1357,10 +1232,7 @@ extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos* file_pos return err; } -extern int ZEXPORT unzGoToFilePos( - unzFile file, - unz_file_pos* file_pos) -{ +extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos* file_pos) { unz64_file_pos file_pos64; if (file_pos == NULL) return UNZ_PARAMERROR; @@ -1382,10 +1254,9 @@ extern int ZEXPORT unzGoToFilePos( store in *piSizeVar the size of extra info in local header (filename and size of extra field data) */ -local int unz64local_CheckCurrentFileCoherencyHeader (unz64_s* s, uInt* piSizeVar, - ZPOS64_T * poffset_local_extrafield, - uInt * psize_local_extrafield) -{ +local int unz64local_CheckCurrentFileCoherencyHeader(unz64_s* s, uInt* piSizeVar, + ZPOS64_T * poffset_local_extrafield, + uInt * psize_local_extrafield) { uLong uMagic,uData,uFlags; uLong size_filename; uLong size_extra_field; @@ -1469,9 +1340,8 @@ local int unz64local_CheckCurrentFileCoherencyHeader (unz64_s* s, uInt* piSizeVa Open for reading data the current file in the zipfile. If there is no error and the file is opened, the return value is UNZ_OK. */ -extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, - int* level, int raw, const char* password) -{ +extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method, + int* level, int raw, const char* password) { int err=UNZ_OK; uInt iSizeVar; unz64_s* s; @@ -1509,7 +1379,7 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, if (pfile_in_zip_read_info->read_buffer==NULL) { - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info); return UNZ_INTERNALERROR; } @@ -1566,7 +1436,8 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, pfile_in_zip_read_info->stream_initialised=Z_BZIP2ED; else { - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info); return err; } #else @@ -1586,7 +1457,8 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, pfile_in_zip_read_info->stream_initialised=Z_DEFLATED; else { - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info); return err; } /* windowBits is passed < 0 to tell that there is no zlib header. @@ -1638,25 +1510,21 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, return UNZ_OK; } -extern int ZEXPORT unzOpenCurrentFile (unzFile file) -{ +extern int ZEXPORT unzOpenCurrentFile(unzFile file) { return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); } -extern int ZEXPORT unzOpenCurrentFilePassword (unzFile file, const char* password) -{ +extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char* password) { return unzOpenCurrentFile3(file, NULL, NULL, 0, password); } -extern int ZEXPORT unzOpenCurrentFile2 (unzFile file, int* method, int* level, int raw) -{ +extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int* method, int* level, int raw) { return unzOpenCurrentFile3(file, method, level, raw, NULL); } /** Addition for GDAL : START */ -extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64( unzFile file) -{ +extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64(unzFile file) { unz64_s* s; file_in_zip64_read_info_s* pfile_in_zip_read_info; s=(unz64_s*)file; @@ -1676,13 +1544,12 @@ extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64( unzFile file) 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 the number of byte copied if some 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 int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) -{ +extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, unsigned len) { int err=UNZ_OK; uInt iRead = 0; unz64_s* s; @@ -1767,7 +1634,7 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) if ((pfile_in_zip_read_info->stream.avail_in == 0) && (pfile_in_zip_read_info->rest_read_compressed == 0)) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (pfile_in_zip_read_info->stream.avail_out < pfile_in_zip_read_info->stream.avail_in) @@ -1857,6 +1724,9 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) err = Z_DATA_ERROR; uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + /* Detect overflow, because z_stream.total_out is uLong (32 bits) */ + if (uTotalOutAfter<uTotalOutBefore) + uTotalOutAfter += 1LL << 32; /* Add maximum value of uLong + 1 */ uOutThis = uTotalOutAfter-uTotalOutBefore; pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; @@ -1871,14 +1741,14 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); if (err==Z_STREAM_END) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (err!=Z_OK) break; } } if (err==Z_OK) - return iRead; + return (int)iRead; return err; } @@ -1886,8 +1756,7 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) /* Give the current position in uncompressed data */ -extern z_off_t ZEXPORT unztell (unzFile file) -{ +extern z_off_t ZEXPORT unztell(unzFile file) { unz64_s* s; file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) @@ -1901,8 +1770,7 @@ extern z_off_t ZEXPORT unztell (unzFile file) return (z_off_t)pfile_in_zip_read_info->stream.total_out; } -extern ZPOS64_T ZEXPORT unztell64 (unzFile file) -{ +extern ZPOS64_T ZEXPORT unztell64(unzFile file) { unz64_s* s; file_in_zip64_read_info_s* pfile_in_zip_read_info; @@ -1921,8 +1789,7 @@ extern ZPOS64_T ZEXPORT unztell64 (unzFile file) /* return 1 if the end of file was reached, 0 elsewhere */ -extern int ZEXPORT unzeof (unzFile file) -{ +extern int ZEXPORT unzeof(unzFile file) { unz64_s* s; file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) @@ -1953,8 +1820,7 @@ more info in the local-header version than in the central-header) the return value is the number of bytes copied in buf, or (if <0) the error code */ -extern int ZEXPORT unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len) -{ +extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, unsigned len) { unz64_s* s; file_in_zip64_read_info_s* pfile_in_zip_read_info; uInt read_now; @@ -2001,8 +1867,7 @@ extern int ZEXPORT unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len) 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 ZEXPORT unzCloseCurrentFile (unzFile file) -{ +extern int ZEXPORT unzCloseCurrentFile(unzFile file) { int err=UNZ_OK; unz64_s* s; @@ -2024,7 +1889,7 @@ extern int ZEXPORT unzCloseCurrentFile (unzFile file) } - TRYFREE(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info->read_buffer); pfile_in_zip_read_info->read_buffer = NULL; if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED) inflateEnd(&pfile_in_zip_read_info->stream); @@ -2035,7 +1900,7 @@ extern int ZEXPORT unzCloseCurrentFile (unzFile file) pfile_in_zip_read_info->stream_initialised = 0; - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info); s->pfile_in_zip_read=NULL; @@ -2048,8 +1913,7 @@ extern int ZEXPORT unzCloseCurrentFile (unzFile file) uSizeBuf is the size of the szComment buffer. return the number of byte copied or an error code <0 */ -extern int ZEXPORT unzGetGlobalComment (unzFile file, char * szComment, uLong uSizeBuf) -{ +extern int ZEXPORT unzGetGlobalComment(unzFile file, char * szComment, uLong uSizeBuf) { unz64_s* s; uLong uReadThis ; if (file==NULL) @@ -2076,8 +1940,7 @@ extern int ZEXPORT unzGetGlobalComment (unzFile file, char * szComment, uLong uS } /* Additions by RX '2004 */ -extern ZPOS64_T ZEXPORT unzGetOffset64(unzFile file) -{ +extern ZPOS64_T ZEXPORT unzGetOffset64(unzFile file) { unz64_s* s; if (file==NULL) @@ -2091,8 +1954,7 @@ extern ZPOS64_T ZEXPORT unzGetOffset64(unzFile file) return s->pos_in_central_dir; } -extern uLong ZEXPORT unzGetOffset (unzFile file) -{ +extern uLong ZEXPORT unzGetOffset(unzFile file) { ZPOS64_T offset64; if (file==NULL) @@ -2101,8 +1963,7 @@ extern uLong ZEXPORT unzGetOffset (unzFile file) return (uLong)offset64; } -extern int ZEXPORT unzSetOffset64(unzFile file, ZPOS64_T pos) -{ +extern int ZEXPORT unzSetOffset64(unzFile file, ZPOS64_T pos) { unz64_s* s; int err; @@ -2119,7 +1980,6 @@ extern int ZEXPORT unzSetOffset64(unzFile file, ZPOS64_T pos) return err; } -extern int ZEXPORT unzSetOffset (unzFile file, uLong pos) -{ +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos) { return unzSetOffset64(file,pos); } |