diff options
Diffstat (limited to 'zlib/zlib-1.1.4.patch')
| -rw-r--r-- | zlib/zlib-1.1.4.patch | 3103 |
1 files changed, 3088 insertions, 15 deletions
diff --git a/zlib/zlib-1.1.4.patch b/zlib/zlib-1.1.4.patch index 694cd13414b8..34f2fdde44ee 100644 --- a/zlib/zlib-1.1.4.patch +++ b/zlib/zlib-1.1.4.patch @@ -1,17 +1,6 @@ ---- misc/zlib-1.1.4/contrib/minizip/unzip.h Thu Mar 19 00:15:00 1998 -+++ misc/build/zlib-1.1.4/contrib/minizip/unzip.h Fri Mar 14 10:15:45 2008 -@@ -46,7 +46,7 @@ - #endif - - #ifndef _ZLIB_H --#include "zlib.h" -+#include "zlib/zlib.h" - #endif - - #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) --- misc/zlib-1.1.4/makefile.mk Fri Mar 14 10:17:06 2008 +++ misc/build/zlib-1.1.4/makefile.mk Fri Mar 14 10:16:56 2008 -@@ -1 +1,77 @@ +@@ -1 +1,79 @@ -dummy +#************************************************************************* +# @@ -52,7 +41,8 @@ + $(SLO)$/infutil.obj \ + $(SLO)$/trees.obj \ + $(SLO)$/zutil.obj \ -+ $(SLO)$/unzip.obj ++ $(SLO)$/unzip.obj \ ++ $(SLO)$/ioapi.obj + + +LIB1TARGET=$(SLB)$/$(TARGET).lib @@ -72,7 +62,8 @@ + $(SLO_X64)$/infutil.obj \ + $(SLO_X64)$/trees.obj \ + $(SLO_X64)$/zutil.obj \ -+ $(SLO_X64)$/unzip.obj ++ $(SLO_X64)$/unzip.obj \ ++ $(SLO)$/ioapi.obj + +LIB1TARGET_X64=$(SLB_X64)$/$(TARGET).lib +LIB1OBJFILES_X64=$(SLOFILES_X64) @@ -174,4 +165,3086 @@ +#endif #include "zutil.h" - struct internal_state {int dummy;}; /* for buggy compilers */ + struct internal_state {int dummy;}; /* for buggy compilers */ +--- misc/zlib-1.1.4/contrib/minizip/unzip.c 1998-06-15 17:34:20.000000000 +0200 ++++ misc/build/zlib-1.1.4/contrib/minizip/unzip.c 2009-07-17 10:15:05.156250000 +0200 +@@ -1,9 +1,39 @@ +-/* unzip.c -- IO on .zip files using zlib +- Version 0.15 beta, Mar 19th, 1998, ++/* unzip.c -- IO for uncompress .zip files using zlib ++ Version 1.01e, February 12th, 2005 ++ ++ Copyright (C) 1998-2005 Gilles Vollant + + Read unzip.h for more info + */ + ++/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of ++compatibility with older software. The following is from the original crypt.c. Code ++woven in by Terry Thorsen 1/2003. ++*/ ++/* ++ Copyright (c) 1990-2000 Info-ZIP. All rights reserved. ++ ++ See the accompanying file LICENSE, version 2000-Apr-09 or later ++ (the contents of which are also included in zip.h) for terms of use. ++ If, for some reason, all these files are missing, the Info-ZIP license ++ also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html ++*/ ++/* ++ crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] ++ ++ The encryption/decryption parts of this source code (as opposed to the ++ non-echoing password parts) were originally written in Europe. The ++ whole source package can be freely distributed, including from the USA. ++ (Prior to January 2000, re-export from the US was a violation of US law.) ++ */ ++ ++/* ++ This encryption code is a direct transcription of the algorithm from ++ Roger Schlafly, described by Phil Katz in the file appnote.txt. This ++ file (appnote.txt) is distributed with the PKZIP program (even in the ++ version without encryption capabilities). ++ */ ++ + + #include <stdio.h> + #include <stdlib.h> +@@ -29,10 +59,10 @@ + /* compile with -Dlocal if your debugger can't find static symbols */ + + +- +-#if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) && \ +- !defined(CASESENSITIVITYDEFAULT_NO) +-#define CASESENSITIVITYDEFAULT_NO ++#ifndef CASESENSITIVITYDEFAULT_NO ++# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) ++# define CASESENSITIVITYDEFAULT_NO ++# endif + #endif + + +@@ -55,22 +85,10 @@ + #define SIZEZIPLOCALHEADER (0x1e) + + +-/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ +- +-#ifndef SEEK_CUR +-#define SEEK_CUR 1 +-#endif +- +-#ifndef SEEK_END +-#define SEEK_END 2 +-#endif + +-#ifndef SEEK_SET +-#define SEEK_SET 0 +-#endif + + const char unz_copyright[] = +- " unzip 0.15 Copyright 1998 Gilles Vollant "; ++ " 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*/ + typedef struct unz_file_info_internal_s +@@ -83,23 +101,25 @@ + when reading and decompress it */ + typedef struct + { +- char *read_buffer; /* internal buffer for compressed data */ +- z_stream stream; /* zLib stream structure for inflate */ ++ char *read_buffer; /* internal buffer for compressed data */ ++ z_stream stream; /* zLib stream structure for inflate */ + +- uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ +- uLong stream_initialised; /* flag set if stream structure is initialised*/ ++ uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ ++ uLong stream_initialised; /* flag set if stream structure is initialised*/ + +- uLong offset_local_extrafield;/* offset of the local extra field */ +- uInt size_local_extrafield;/* size of the local extra field */ +- uLong pos_local_extrafield; /* position in the local extra field in read*/ +- +- uLong crc32; /* crc32 of all data uncompressed */ +- uLong crc32_wait; /* crc32 we must obtain after decompress all */ +- uLong rest_read_compressed; /* number of byte to be decompressed */ +- uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/ +- FILE* file; /* io structore of the zipfile */ +- uLong compression_method; /* compression method (0==store) */ +- uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ ++ uLong offset_local_extrafield;/* offset of the local extra field */ ++ uInt size_local_extrafield;/* size of the local extra field */ ++ uLong pos_local_extrafield; /* position in the local extra field in read*/ ++ ++ uLong crc32; /* crc32 of all data uncompressed */ ++ uLong crc32_wait; /* crc32 we must obtain after decompress all */ ++ uLong rest_read_compressed; /* number of byte to be decompressed */ ++ uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/ ++ zlib_filefunc_def z_filefunc; ++ voidpf filestream; /* io structore of the zipfile */ ++ uLong compression_method; /* compression method (0==store) */ ++ uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ ++ int raw; + } file_in_zip_read_info_s; + + +@@ -107,25 +127,35 @@ + */ + typedef struct + { +- FILE* file; /* io structore of the zipfile */ +- unz_global_info gi; /* public global information */ +- uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ +- uLong num_file; /* number of the current file in the zipfile*/ +- uLong pos_in_central_dir; /* pos of the current file in the central dir*/ +- uLong current_file_ok; /* flag about the usability of the current file*/ +- uLong central_pos; /* position of the beginning of the central dir*/ +- +- uLong size_central_dir; /* size of the central directory */ +- uLong offset_central_dir; /* offset of start of central directory with +- respect to the starting disk number */ ++ zlib_filefunc_def z_filefunc; ++ voidpf filestream; /* io structore of the zipfile */ ++ unz_global_info gi; /* public global information */ ++ uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ ++ uLong num_file; /* number of the current file in the zipfile*/ ++ uLong pos_in_central_dir; /* pos of the current file in the central dir*/ ++ uLong current_file_ok; /* flag about the usability of the current file*/ ++ uLong central_pos; /* position of the beginning of the central dir*/ ++ ++ uLong size_central_dir; /* size of the central directory */ ++ uLong 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*/ ++ 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 */ ++ file if we are decompressing it */ ++ int encrypted; ++# ifndef NOUNCRYPT ++ unsigned long keys[3]; /* keys defining the pseudo-random sequence */ ++ const unsigned long* pcrc_32_tab; ++# endif + } unz_s; + + ++#ifndef NOUNCRYPT ++#include "crypt.h" ++#endif ++ + /* =========================================================================== + Read a byte from a gz_stream; update next_in and avail_in. Return EOF + for end of file. +@@ -133,12 +163,18 @@ + */ + + +-local int unzlocal_getByte(fin,pi) +- FILE *fin; +- int *pi; ++local int unzlocal_getByte OF(( ++ const zlib_filefunc_def* pzlib_filefunc_def, ++ voidpf filestream, ++ int *pi)); ++ ++local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi) ++ const zlib_filefunc_def* pzlib_filefunc_def; ++ voidpf filestream; ++ int *pi; + { + unsigned char c; +- int err = fread(&c, 1, 1, fin); ++ int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; +@@ -146,7 +182,7 @@ + } + else + { +- if (ferror(fin)) ++ if (ZERROR(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; +@@ -155,23 +191,29 @@ + + + /* =========================================================================== +- Reads a long in LSB order from the given gz_stream. Sets ++ Reads a long in LSB order from the given gz_stream. Sets + */ +-local int unzlocal_getShort (fin,pX) +- FILE* fin; ++local int unzlocal_getShort OF(( ++ const zlib_filefunc_def* pzlib_filefunc_def, ++ voidpf filestream, ++ uLong *pX)); ++ ++local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX) ++ const zlib_filefunc_def* pzlib_filefunc_def; ++ voidpf filestream; + uLong *pX; + { + uLong x ; + int i; + int err; + +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; +- ++ + if (err==UNZ_OK) +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; +- ++ + if (err==UNZ_OK) + *pX = x; + else +@@ -179,29 +221,35 @@ + return err; + } + +-local int unzlocal_getLong (fin,pX) +- FILE* fin; ++local int unzlocal_getLong OF(( ++ const zlib_filefunc_def* pzlib_filefunc_def, ++ voidpf filestream, ++ uLong *pX)); ++ ++local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX) ++ const zlib_filefunc_def* pzlib_filefunc_def; ++ voidpf filestream; + uLong *pX; + { + uLong x ; + int i; + int err; + +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; +- ++ + if (err==UNZ_OK) +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==UNZ_OK) +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==UNZ_OK) +- err = unzlocal_getByte(fin,&i); ++ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; +- ++ + if (err==UNZ_OK) + *pX = x; + else +@@ -212,26 +260,26 @@ + + /* My own strcmpi / strcasecmp */ + local int strcmpcasenosensitive_internal (fileName1,fileName2) +- const char* fileName1; +- const char* fileName2; ++ const char* fileName1; ++ const char* fileName2; + { +- for (;;) +- { +- char c1=*(fileName1++); +- char c2=*(fileName2++); +- if ((c1>='a') && (c1<='z')) +- c1 -= 0x20; +- if ((c2>='a') && (c2<='z')) +- c2 -= 0x20; +- if (c1=='\0') +- return ((c2=='\0') ? 0 : -1); +- if (c2=='\0') +- return 1; +- if (c1<c2) +- return -1; +- if (c1>c2) +- return 1; +- } ++ for (;;) ++ { ++ char c1=*(fileName1++); ++ char c2=*(fileName2++); ++ if ((c1>='a') && (c1<='z')) ++ c1 -= 0x20; ++ if ((c2>='a') && (c2<='z')) ++ c2 -= 0x20; ++ if (c1=='\0') ++ return ((c2=='\0') ? 0 : -1); ++ if (c2=='\0') ++ return 1; ++ if (c1<c2) ++ return -1; ++ if (c1>c2) ++ return 1; ++ } + } + + +@@ -245,7 +293,7 @@ + #define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal + #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 +@@ -255,203 +303,225 @@ + + */ + extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity) +- const char* fileName1; +- const char* fileName2; +- int iCaseSensitivity; ++ const char* fileName1; ++ const char* fileName2; ++ int iCaseSensitivity; + { +- if (iCaseSensitivity==0) +- iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; ++ if (iCaseSensitivity==0) ++ iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; + +- if (iCaseSensitivity==1) +- return strcmp(fileName1,fileName2); ++ if (iCaseSensitivity==1) ++ return strcmp(fileName1,fileName2); + +- return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); +-} ++ return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); ++} + ++#ifndef BUFREADCOMMENT + #define BUFREADCOMMENT (0x400) ++#endif + + /* + Locate the Central directory of a zipfile (at the end, just before + the global comment) + */ +-local uLong unzlocal_SearchCentralDir(fin) +- FILE *fin; ++local uLong unzlocal_SearchCentralDir OF(( ++ const zlib_filefunc_def* pzlib_filefunc_def, ++ voidpf filestream)); ++ ++local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) ++ const zlib_filefunc_def* pzlib_filefunc_def; ++ voidpf filestream; + { +- unsigned char* buf; +- uLong uSizeFile; +- uLong uBackRead; +- uLong uMaxBack=0xffff; /* maximum size of global comment */ +- uLong uPosFound=0; +- +- if (fseek(fin,0,SEEK_END) != 0) +- return 0; +- +- +- uSizeFile = ftell( fin ); +- +- if (uMaxBack>uSizeFile) +- uMaxBack = uSizeFile; +- +- buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); +- if (buf==NULL) +- return 0; +- +- uBackRead = 4; +- while (uBackRead<uMaxBack) +- { +- uLong uReadSize,uReadPos ; +- int i; +- if (uBackRead+BUFREADCOMMENT>uMaxBack) +- uBackRead = uMaxBack; +- else +- uBackRead+=BUFREADCOMMENT; +- uReadPos = uSizeFile-uBackRead ; +- +- uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? ++ unsigned char* buf; ++ uLong uSizeFile; ++ uLong uBackRead; ++ uLong uMaxBack=0xffff; /* maximum size of global comment */ ++ uLong uPosFound=0; ++ ++ if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) ++ return 0; ++ ++ ++ uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); ++ ++ if (uMaxBack>uSizeFile) ++ uMaxBack = uSizeFile; ++ ++ buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); ++ if (buf==NULL) ++ return 0; ++ ++ uBackRead = 4; ++ while (uBackRead<uMaxBack) ++ { ++ uLong uReadSize,uReadPos ; ++ int i; ++ if (uBackRead+BUFREADCOMMENT>uMaxBack) ++ uBackRead = uMaxBack; ++ else ++ uBackRead+=BUFREADCOMMENT; ++ uReadPos = uSizeFile-uBackRead ; ++ ++ uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); +- if (fseek(fin,uReadPos,SEEK_SET)!=0) +- break; ++ if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) ++ break; + +- if (fread(buf,(uInt)uReadSize,1,fin)!=1) +- break; ++ if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) ++ break; + +- for (i=(int)uReadSize-3; (i--)>0;) +- if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && +- ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) +- { +- uPosFound = uReadPos+i; +- break; +- } +- +- if (uPosFound!=0) +- break; +- } +- TRYFREE(buf); +- return uPosFound; ++ for (i=(int)uReadSize-3; (i--)>0;) ++ if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ++ ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) ++ { ++ uPosFound = uReadPos+i; ++ break; ++ } ++ ++ if (uPosFound!=0) ++ break; ++ } ++ TRYFREE(buf); ++ return uPosFound; + } + + /* + Open a Zip file. path contain the full pathname (by example, +- on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer +- "zlib/zlib109.zip". +- If the zipfile cannot be opened (file don't exist or in not valid), the +- return value is NULL. ++ on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer ++ "zlib/zlib114.zip". ++ If the zipfile cannot be opened (file doesn'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 unzFile ZEXPORT unzOpen (path) +- const char *path; +-{ +- unz_s us; +- unz_s *s; +- uLong central_pos,uL; +- FILE * fin ; +- +- 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_entry_CD; /* total number of entries in +- the central dir +- (same than number_entry on nospan) */ ++extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def) ++ const char *path; ++ zlib_filefunc_def* pzlib_filefunc_def; ++{ ++ unz_s us; ++ unz_s *s; ++ uLong central_pos,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_entry_CD; /* total number of entries in ++ the central dir ++ (same than number_entry on nospan) */ + +- int err=UNZ_OK; ++ int err=UNZ_OK; + + if (unz_copyright[0]!=' ') + return NULL; + +- fin=fopen(path,"rb"); +- if (fin==NULL) +- return NULL; +- +- central_pos = unzlocal_SearchCentralDir(fin); +- if (central_pos==0) +- err=UNZ_ERRNO; +- +- if (fseek(fin,central_pos,SEEK_SET)!=0) +- err=UNZ_ERRNO; +- +- /* the signature, already checked */ +- if (unzlocal_getLong(fin,&uL)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* number of this disk */ +- if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* number of the disk with the start of the central directory */ +- if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* total number of entries in the central dir on this disk */ +- if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* total number of entries in the central dir */ +- if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- if ((number_entry_CD!=us.gi.number_entry) || +- (number_disk_with_CD!=0) || +- (number_disk!=0)) +- err=UNZ_BADZIPFILE; +- +- /* size of the central directory */ +- if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* offset of start of central directory with respect to the +- starting disk number */ +- if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- /* zipfile comment length */ +- if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK) +- err=UNZ_ERRNO; +- +- if ((central_pos<us.offset_central_dir+us.size_central_dir) && +- (err==UNZ_OK)) +- err=UNZ_BADZIPFILE; +- +- if (err!=UNZ_OK) +- { +- fclose(fin); +- return NULL; +- } +- +- us.file=fin; +- us.byte_before_the_zipfile = central_pos - +- (us.offset_central_dir+us.size_central_dir); +- us.central_pos = central_pos; ++ if (pzlib_filefunc_def==NULL) ++ fill_fopen_filefunc(&us.z_filefunc); ++ else ++ us.z_filefunc = *pzlib_filefunc_def; ++ ++ us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque, ++ path, ++ ZLIB_FILEFUNC_MODE_READ | ++ ZLIB_FILEFUNC_MODE_EXISTING); ++ if (us.filestream==NULL) ++ return NULL; ++ ++ central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream); ++ if (central_pos==0) ++ err=UNZ_ERRNO; ++ ++ if (ZSEEK(us.z_filefunc, us.filestream, ++ central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) ++ err=UNZ_ERRNO; ++ ++ /* the signature, already checked */ ++ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* number of this disk */ ++ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* number of the disk with the start of the central directory */ ++ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* total number of entries in the central dir on this disk */ ++ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* total number of entries in the central dir */ ++ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if ((number_entry_CD!=us.gi.number_entry) || ++ (number_disk_with_CD!=0) || ++ (number_disk!=0)) ++ err=UNZ_BADZIPFILE; ++ ++ /* size of the central directory */ ++ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* offset of start of central directory with respect to the ++ starting disk number */ ++ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ /* zipfile comment length */ ++ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if ((central_pos<us.offset_central_dir+us.size_central_dir) && ++ (err==UNZ_OK)) ++ err=UNZ_BADZIPFILE; ++ ++ if (err!=UNZ_OK) ++ { ++ ZCLOSE(us.z_filefunc, us.filestream); ++ return NULL; ++ } ++ ++ us.byte_before_the_zipfile = central_pos - ++ (us.offset_central_dir+us.size_central_dir); ++ us.central_pos = central_pos; + us.pfile_in_zip_read = NULL; +- ++ us.encrypted = 0; + +- s=(unz_s*)ALLOC(sizeof(unz_s)); +- *s=us; +- unzGoToFirstFile((unzFile)s); +- return (unzFile)s; ++ ++ s=(unz_s*)ALLOC(sizeof(unz_s)); ++ *s=us; ++ unzGoToFirstFile((unzFile)s); ++ return (unzFile)s; + } + + ++extern unzFile ZEXPORT unzOpen (path) ++ const char *path; ++{ ++ return unzOpen2(path, NULL); ++} ++ + /* + Close a ZipFile opened with unzipOpen. + If there is files inside the .Zip opened with unzipOpenCurrentFile (see later), + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + return UNZ_OK if there is no problem. */ + extern int ZEXPORT unzClose (file) +- unzFile file; ++ unzFile file; + { +- unz_s* s; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unz_s* s; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + + if (s->pfile_in_zip_read!=NULL) + unzCloseCurrentFile(file); + +- fclose(s->file); +- TRYFREE(s); +- return UNZ_OK; ++ ZCLOSE(s->z_filefunc, s->filestream); ++ TRYFREE(s); ++ return UNZ_OK; + } + + +@@ -460,15 +530,15 @@ + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ + extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info) +- unzFile file; +- unz_global_info *pglobal_info; ++ unzFile file; ++ unz_global_info *pglobal_info; + { +- unz_s* s; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- *pglobal_info=s->gi; +- return UNZ_OK; ++ unz_s* s; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ *pglobal_info=s->gi; ++ return UNZ_OK; + } + + +@@ -495,14 +565,14 @@ + */ + local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file, + unz_file_info *pfile_info, +- unz_file_info_internal ++ unz_file_info_internal + *pfile_info_internal, + char *szFileName, +- uLong fileNameBufferSize, ++ uLong fileNameBufferSize, + void *extraField, +- uLong extraFieldBufferSize, ++ uLong extraFieldBufferSize, + char *szComment, +- uLong commentBufferSize)); ++ uLong commentBufferSize)); + + local int unzlocal_GetCurrentFileInfoInternal (file, + pfile_info, +@@ -510,156 +580,158 @@ + szFileName, fileNameBufferSize, + extraField, extraFieldBufferSize, + szComment, commentBufferSize) +- 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; +-{ +- unz_s* s; +- unz_file_info file_info; +- unz_file_info_internal file_info_internal; +- int err=UNZ_OK; +- uLong uMagic; +- long lSeek=0; +- +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- if (fseek(s->file,s->pos_in_central_dir+s->byte_before_the_zipfile,SEEK_SET)!=0) +- err=UNZ_ERRNO; +- +- +- /* we check the magic */ +- if (err==UNZ_OK) +- if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK) +- err=UNZ_ERRNO; +- else if (uMagic!=0x02014b50) +- err=UNZ_BADZIPFILE; +- +- if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&file_info.version_needed) != UNZ_OK) +- err=UNZ_ERRNO; ++ 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; ++{ ++ unz_s* s; ++ unz_file_info file_info; ++ unz_file_info_internal file_info_internal; ++ int err=UNZ_OK; ++ uLong uMagic; ++ long lSeek=0; ++ ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ if (ZSEEK(s->z_filefunc, s->filestream, ++ s->pos_in_central_dir+s->byte_before_the_zipfile, ++ ZLIB_FILEFUNC_SEEK_SET)!=0) ++ err=UNZ_ERRNO; ++ ++ ++ /* we check the magic */ ++ if (err==UNZ_OK) ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) ++ err=UNZ_ERRNO; ++ else if (uMagic!=0x02014b50) ++ err=UNZ_BADZIPFILE; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) ++ err=UNZ_ERRNO; + +- if (unzlocal_getShort(s->file,&file_info.flag) != UNZ_OK) +- err=UNZ_ERRNO; ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) ++ err=UNZ_ERRNO; + +- if (unzlocal_getShort(s->file,&file_info.compression_method) != UNZ_OK) +- err=UNZ_ERRNO; ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) ++ err=UNZ_ERRNO; + +- if (unzlocal_getLong(s->file,&file_info.dosDate) != UNZ_OK) +- err=UNZ_ERRNO; ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) ++ err=UNZ_ERRNO; + + unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); + +- if (unzlocal_getLong(s->file,&file_info.crc) != UNZ_OK) +- err=UNZ_ERRNO; ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ lSeek+=file_info.size_filename; ++ if ((err==UNZ_OK) && (szFileName!=NULL)) ++ { ++ uLong uSizeRead ; ++ if (file_info.size_filename<fileNameBufferSize) ++ { ++ *(szFileName+file_info.size_filename)='\0'; ++ uSizeRead = file_info.size_filename; ++ } ++ else ++ uSizeRead = fileNameBufferSize; ++ ++ if ((file_info.size_filename>0) && (fileNameBufferSize>0)) ++ if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) ++ err=UNZ_ERRNO; ++ lSeek -= uSizeRead; ++ } ++ ++ ++ if ((err==UNZ_OK) && (extraField!=NULL)) ++ { ++ uLong uSizeRead ; ++ if (file_info.size_file_extra<extraFieldBufferSize) ++ uSizeRead = file_info.size_file_extra; ++ else ++ uSizeRead = extraFieldBufferSize; ++ ++ if (lSeek!=0) ++ if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) ++ lSeek=0; ++ else ++ err=UNZ_ERRNO; ++ if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) ++ if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead) ++ err=UNZ_ERRNO; ++ lSeek += file_info.size_file_extra - uSizeRead; ++ } ++ else ++ lSeek+=file_info.size_file_extra; + +- if (unzlocal_getLong(s->file,&file_info.compressed_size) != UNZ_OK) +- err=UNZ_ERRNO; + +- if (unzlocal_getLong(s->file,&file_info.uncompressed_size) != UNZ_OK) +- err=UNZ_ERRNO; ++ if ((err==UNZ_OK) && (szComment!=NULL)) ++ { ++ uLong uSizeRead ; ++ if (file_info.size_file_comment<commentBufferSize) ++ { ++ *(szComment+file_info.size_file_comment)='\0'; ++ uSizeRead = file_info.size_file_comment; ++ } ++ else ++ uSizeRead = commentBufferSize; + +- if (unzlocal_getShort(s->file,&file_info.size_filename) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&file_info.size_file_extra) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&file_info.size_file_comment) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&file_info.disk_num_start) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&file_info.internal_fa) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getLong(s->file,&file_info.external_fa) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getLong(s->file,&file_info_internal.offset_curfile) != UNZ_OK) +- err=UNZ_ERRNO; +- +- lSeek+=file_info.size_filename; +- if ((err==UNZ_OK) && (szFileName!=NULL)) +- { +- uLong uSizeRead ; +- if (file_info.size_filename<fileNameBufferSize) +- { +- *(szFileName+file_info.size_filename)='\0'; +- uSizeRead = file_info.size_filename; +- } +- else +- uSizeRead = fileNameBufferSize; +- +- if ((file_info.size_filename>0) && (fileNameBufferSize>0)) +- if (fread(szFileName,(uInt)uSizeRead,1,s->file)!=1) +- err=UNZ_ERRNO; +- lSeek -= uSizeRead; +- } +- +- +- if ((err==UNZ_OK) && (extraField!=NULL)) +- { +- uLong uSizeRead ; +- if (file_info.size_file_extra<extraFieldBufferSize) +- uSizeRead = file_info.size_file_extra; +- else +- uSizeRead = extraFieldBufferSize; +- +- if (lSeek!=0) +- if (fseek(s->file,lSeek,SEEK_CUR)==0) +- lSeek=0; +- else +- err=UNZ_ERRNO; +- if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) +- if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1) +- err=UNZ_ERRNO; +- lSeek += file_info.size_file_extra - uSizeRead; +- } +- else +- lSeek+=file_info.size_file_extra; +- +- +- if ((err==UNZ_OK) && (szComment!=NULL)) +- { +- uLong uSizeRead ; +- if (file_info.size_file_comment<commentBufferSize) +- { +- *(szComment+file_info.size_file_comment)='\0'; +- uSizeRead = file_info.size_file_comment; +- } +- else +- uSizeRead = commentBufferSize; +- +- if (lSeek!=0) +- if (fseek(s->file,lSeek,SEEK_CUR)==0) +- lSeek=0; +- else +- err=UNZ_ERRNO; +- if ((file_info.size_file_comment>0) && (commentBufferSize>0)) +- if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1) +- err=UNZ_ERRNO; +- lSeek+=file_info.size_file_comment - uSizeRead; +- } +- else +- lSeek+=file_info.size_file_comment; ++ if (lSeek!=0) ++ if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) ++ lSeek=0; ++ else ++ err=UNZ_ERRNO; ++ if ((file_info.size_file_comment>0) && (commentBufferSize>0)) ++ if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) ++ err=UNZ_ERRNO; ++ lSeek+=file_info.size_file_comment - uSizeRead; ++ } ++ else ++ lSeek+=file_info.size_file_comment; + +- if ((err==UNZ_OK) && (pfile_info!=NULL)) +- *pfile_info=file_info; ++ if ((err==UNZ_OK) && (pfile_info!=NULL)) ++ *pfile_info=file_info; + +- if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) +- *pfile_info_internal=file_info_internal; ++ if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) ++ *pfile_info_internal=file_info_internal; + +- return err; ++ return err; + } + + +@@ -670,23 +742,23 @@ + return UNZ_OK if there is no problem. + */ + extern int ZEXPORT unzGetCurrentFileInfo (file, +- pfile_info, +- szFileName, fileNameBufferSize, +- extraField, extraFieldBufferSize, +- szComment, commentBufferSize) +- unzFile file; +- unz_file_info *pfile_info; +- char *szFileName; +- uLong fileNameBufferSize; +- void *extraField; +- uLong extraFieldBufferSize; +- char *szComment; +- uLong commentBufferSize; +-{ +- return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL, +- szFileName,fileNameBufferSize, +- extraField,extraFieldBufferSize, +- szComment,commentBufferSize); ++ pfile_info, ++ szFileName, fileNameBufferSize, ++ extraField, extraFieldBufferSize, ++ szComment, commentBufferSize) ++ unzFile file; ++ unz_file_info *pfile_info; ++ char *szFileName; ++ uLong fileNameBufferSize; ++ void *extraField; ++ uLong extraFieldBufferSize; ++ char *szComment; ++ uLong commentBufferSize; ++{ ++ return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL, ++ szFileName,fileNameBufferSize, ++ extraField,extraFieldBufferSize, ++ szComment,commentBufferSize); + } + + /* +@@ -694,50 +766,50 @@ + return UNZ_OK if there is no problem + */ + extern int ZEXPORT unzGoToFirstFile (file) +- unzFile file; ++ unzFile file; + { +- int err=UNZ_OK; +- unz_s* s; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- s->pos_in_central_dir=s->offset_central_dir; +- s->num_file=0; +- err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, +- &s->cur_file_info_internal, +- NULL,0,NULL,0,NULL,0); +- s->current_file_ok = (err == UNZ_OK); +- return err; ++ int err=UNZ_OK; ++ unz_s* s; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ s->pos_in_central_dir=s->offset_central_dir; ++ s->num_file=0; ++ err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, ++ &s->cur_file_info_internal, ++ NULL,0,NULL,0,NULL,0); ++ s->current_file_ok = (err == UNZ_OK); ++ return err; + } + +- + /* + 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 ZEXPORT unzGoToNextFile (file) +- unzFile file; ++ unzFile file; + { +- unz_s* s; +- int err; ++ unz_s* s; ++ int err; + +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- if (!s->current_file_ok) +- return UNZ_END_OF_LIST_OF_FILE; +- if (s->num_file+1==s->gi.number_entry) +- return UNZ_END_OF_LIST_OF_FILE; +- +- s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + +- s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; +- s->num_file++; +- err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, +- &s->cur_file_info_internal, +- NULL,0,NULL,0,NULL,0); +- s->current_file_ok = (err == UNZ_OK); +- return err; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ if (!s->current_file_ok) ++ return UNZ_END_OF_LIST_OF_FILE; ++ if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ ++ if (s->num_file+1==s->gi.number_entry) ++ return UNZ_END_OF_LIST_OF_FILE; ++ ++ s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + ++ s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; ++ s->num_file++; ++ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, ++ &s->cur_file_info_internal, ++ NULL,0,NULL,0,NULL,0); ++ s->current_file_ok = (err == UNZ_OK); ++ return err; + } + + +@@ -750,50 +822,130 @@ + UNZ_END_OF_LIST_OF_FILE if the file is not found + */ + extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) +- unzFile file; +- const char *szFileName; +- int iCaseSensitivity; ++ unzFile file; ++ const char *szFileName; ++ int iCaseSensitivity; + { +- unz_s* s; +- int err; ++ unz_s* s; ++ int err; + +- +- uLong num_fileSaved; +- uLong pos_in_central_dirSaved; ++ /* We remember the 'current' position in the file so that we can jump ++ * back there if we fail. ++ */ ++ unz_file_info cur_file_infoSaved; ++ unz_file_info_internal cur_file_info_internalSaved; ++ uLong num_fileSaved; ++ uLong pos_in_central_dirSaved; + + +- if (file==NULL) +- return UNZ_PARAMERROR; ++ if (file==NULL) ++ return UNZ_PARAMERROR; + + if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) + return UNZ_PARAMERROR; + +- s=(unz_s*)file; +- if (!s->current_file_ok) +- return UNZ_END_OF_LIST_OF_FILE; +- +- num_fileSaved = s->num_file; +- pos_in_central_dirSaved = s->pos_in_central_dir; +- +- err = unzGoToFirstFile(file); +- +- while (err == UNZ_OK) +- { +- char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; +- unzGetCurrentFileInfo(file,NULL, +- szCurrentFileName,sizeof(szCurrentFileName)-1, +- NULL,0,NULL,0); +- if (unzStringFileNameCompare(szCurrentFileName, +- szFileName,iCaseSensitivity)==0) +- return UNZ_OK; +- err = unzGoToNextFile(file); +- } +- +- s->num_file = num_fileSaved ; +- s->pos_in_central_dir = pos_in_central_dirSaved ; +- return err; ++ s=(unz_s*)file; ++ if (!s->current_file_ok) ++ return UNZ_END_OF_LIST_OF_FILE; ++ ++ /* Save the current state */ ++ num_fileSaved = s->num_file; ++ pos_in_central_dirSaved = s->pos_in_central_dir; ++ cur_file_infoSaved = s->cur_file_info; ++ cur_file_info_internalSaved = s->cur_file_info_internal; ++ ++ err = unzGoToFirstFile(file); ++ ++ while (err == UNZ_OK) ++ { ++ char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; ++ err = unzGetCurrentFileInfo(file,NULL, ++ szCurrentFileName,sizeof(szCurrentFileName)-1, ++ NULL,0,NULL,0); ++ if (err == UNZ_OK) ++ { ++ if (unzStringFileNameCompare(szCurrentFileName, ++ szFileName,iCaseSensitivity)==0) ++ return UNZ_OK; ++ err = unzGoToNextFile(file); ++ } ++ } ++ ++ /* We failed, so restore the state of the 'current file' to where we ++ * were. ++ */ ++ s->num_file = num_fileSaved ; ++ s->pos_in_central_dir = pos_in_central_dirSaved ; ++ s->cur_file_info = cur_file_infoSaved; ++ s->cur_file_info_internal = cur_file_info_internalSaved; ++ return err; ++} ++ ++ ++/* ++/////////////////////////////////////////// ++// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) ++// I need random access ++// ++// Further optimization could be realized by adding an ability ++// to cache the directory in memory. The goal being a single ++// comprehensive file read to put the file I need in a memory. ++*/ ++ ++/* ++typedef struct unz_file_pos_s ++{ ++ uLong pos_in_zip_directory; // offset in file ++ uLong num_of_file; // # of file ++} unz_file_pos; ++*/ ++ ++extern int ZEXPORT unzGetFilePos(file, file_pos) ++ unzFile file; ++ unz_file_pos* file_pos; ++{ ++ unz_s* s; ++ ++ if (file==NULL || file_pos==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ if (!s->current_file_ok) ++ return UNZ_END_OF_LIST_OF_FILE; ++ ++ file_pos->pos_in_zip_directory = s->pos_in_central_dir; ++ file_pos->num_of_file = s->num_file; ++ ++ return UNZ_OK; ++} ++ ++extern int ZEXPORT unzGoToFilePos(file, file_pos) ++ unzFile file; ++ unz_file_pos* file_pos; ++{ ++ unz_s* s; ++ int err; ++ ++ if (file==NULL || file_pos==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ ++ /* jump to the right spot */ ++ s->pos_in_central_dir = file_pos->pos_in_zip_directory; ++ s->num_file = file_pos->num_of_file; ++ ++ /* set the current file */ ++ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, ++ &s->cur_file_info_internal, ++ NULL,0,NULL,0,NULL,0); ++ /* return results */ ++ s->current_file_ok = (err == UNZ_OK); ++ return err; + } + ++/* ++// Unzip Helper Functions - should be here? ++/////////////////////////////////////////// ++*/ + + /* + Read the local header of the current zipfile +@@ -803,185 +955,261 @@ + (filename and size of extra field data) + */ + local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, +- poffset_local_extrafield, +- psize_local_extrafield) +- unz_s* s; +- uInt* piSizeVar; +- uLong *poffset_local_extrafield; +- uInt *psize_local_extrafield; +-{ +- uLong uMagic,uData,uFlags; +- uLong size_filename; +- uLong size_extra_field; +- int err=UNZ_OK; +- +- *piSizeVar = 0; +- *poffset_local_extrafield = 0; +- *psize_local_extrafield = 0; +- +- if (fseek(s->file,s->cur_file_info_internal.offset_curfile + +- s->byte_before_the_zipfile,SEEK_SET)!=0) +- return UNZ_ERRNO; +- +- +- if (err==UNZ_OK) +- if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK) +- err=UNZ_ERRNO; +- else if (uMagic!=0x04034b50) +- err=UNZ_BADZIPFILE; +- +- if (unzlocal_getShort(s->file,&uData) != UNZ_OK) +- err=UNZ_ERRNO; +-/* +- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) +- err=UNZ_BADZIPFILE; +-*/ +- if (unzlocal_getShort(s->file,&uFlags) != UNZ_OK) +- err=UNZ_ERRNO; +- +- if (unzlocal_getShort(s->file,&uData) != UNZ_OK) +- err=UNZ_ERRNO; +- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) +- err=UNZ_BADZIPFILE; ++ poffset_local_extrafield, ++ psize_local_extrafield) ++ unz_s* s; ++ uInt* piSizeVar; ++ uLong *poffset_local_extrafield; ++ uInt *psize_local_extrafield; ++{ ++ uLong uMagic,uData,uFlags; ++ uLong size_filename; ++ uLong size_extra_field; ++ int err=UNZ_OK; ++ ++ *piSizeVar = 0; ++ *poffset_local_extrafield = 0; ++ *psize_local_extrafield = 0; ++ ++ if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + ++ s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) ++ return UNZ_ERRNO; ++ ++ ++ if (err==UNZ_OK) ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) ++ err=UNZ_ERRNO; ++ else if (uMagic!=0x04034b50) ++ err=UNZ_BADZIPFILE; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) ++ err=UNZ_ERRNO; ++/* ++ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) ++ err=UNZ_BADZIPFILE; ++*/ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) ++ err=UNZ_ERRNO; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) ++ err=UNZ_ERRNO; ++ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) ++ err=UNZ_BADZIPFILE; + + if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) && + (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; + +- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* date/time */ +- err=UNZ_ERRNO; ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ ++ err=UNZ_ERRNO; + +- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* crc */ +- err=UNZ_ERRNO; +- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && +- ((uFlags & 8)==0)) +- err=UNZ_BADZIPFILE; +- +- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size compr */ +- err=UNZ_ERRNO; +- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && +- ((uFlags & 8)==0)) +- err=UNZ_BADZIPFILE; +- +- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size uncompr */ +- err=UNZ_ERRNO; +- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && +- ((uFlags & 8)==0)) +- err=UNZ_BADZIPFILE; +- +- +- if (unzlocal_getShort(s->file,&size_filename) != UNZ_OK) +- err=UNZ_ERRNO; +- else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) +- err=UNZ_BADZIPFILE; +- +- *piSizeVar += (uInt)size_filename; +- +- if (unzlocal_getShort(s->file,&size_extra_field) != UNZ_OK) +- err=UNZ_ERRNO; +- *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + +- SIZEZIPLOCALHEADER + size_filename; +- *psize_local_extrafield = (uInt)size_extra_field; ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ ++ err=UNZ_ERRNO; ++ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && ++ ((uFlags & 8)==0)) ++ err=UNZ_BADZIPFILE; ++ ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ ++ err=UNZ_ERRNO; ++ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && ++ ((uFlags & 8)==0)) ++ err=UNZ_BADZIPFILE; + +- *piSizeVar += (uInt)size_extra_field; ++ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ ++ err=UNZ_ERRNO; ++ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && ++ ((uFlags & 8)==0)) ++ err=UNZ_BADZIPFILE; ++ ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) ++ err=UNZ_ERRNO; ++ else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) ++ err=UNZ_BADZIPFILE; + +- return err; ++ *piSizeVar += (uInt)size_filename; ++ ++ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) ++ err=UNZ_ERRNO; ++ *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + ++ SIZEZIPLOCALHEADER + size_filename; ++ *psize_local_extrafield = (uInt)size_extra_field; ++ ++ *piSizeVar += (uInt)size_extra_field; ++ ++ return err; + } +- ++ + /* + 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 unzOpenCurrentFile (file) +- unzFile file; +-{ +- int err=UNZ_OK; +- int Store; +- uInt iSizeVar; +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- uLong offset_local_extrafield; /* offset of the local extra field */ +- uInt size_local_extrafield; /* size of the local extra field */ +- +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- if (!s->current_file_ok) +- return UNZ_PARAMERROR; ++extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) ++ unzFile file; ++ int* method; ++ int* level; ++ int raw; ++ const char* password; ++{ ++ int err=UNZ_OK; ++ uInt iSizeVar; ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ uLong offset_local_extrafield; /* offset of the local extra field */ ++ uInt size_local_extrafield; /* size of the local extra field */ ++# ifndef NOUNCRYPT ++ char source[12]; ++# else ++ if (password != NULL) ++ return UNZ_PARAMERROR; ++# endif ++ ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ if (!s->current_file_ok) ++ return UNZ_PARAMERROR; + + if (s->pfile_in_zip_read != NULL) + unzCloseCurrentFile(file); + +- if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar, +- &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) +- return UNZ_BADZIPFILE; +- +- pfile_in_zip_read_info = (file_in_zip_read_info_s*) +- ALLOC(sizeof(file_in_zip_read_info_s)); +- if (pfile_in_zip_read_info==NULL) +- return UNZ_INTERNALERROR; +- +- pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); +- pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; +- pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; +- pfile_in_zip_read_info->pos_local_extrafield=0; +- +- if (pfile_in_zip_read_info->read_buffer==NULL) +- { +- TRYFREE(pfile_in_zip_read_info); +- return UNZ_INTERNALERROR; +- } +- +- pfile_in_zip_read_info->stream_initialised=0; +- +- if ((s->cur_file_info.compression_method!=0) && ++ if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar, ++ &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) ++ return UNZ_BADZIPFILE; ++ ++ pfile_in_zip_read_info = (file_in_zip_read_info_s*) ++ ALLOC(sizeof(file_in_zip_read_info_s)); ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_INTERNALERROR; ++ ++ pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); ++ pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; ++ pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; ++ pfile_in_zip_read_info->pos_local_extrafield=0; ++ pfile_in_zip_read_info->raw=raw; ++ ++ if (pfile_in_zip_read_info->read_buffer==NULL) ++ { ++ TRYFREE(pfile_in_zip_read_info); ++ return UNZ_INTERNALERROR; ++ } ++ ++ pfile_in_zip_read_info->stream_initialised=0; ++ ++ if (method!=NULL) ++ *method = (int)s->cur_file_info.compression_method; ++ ++ if (level!=NULL) ++ { ++ *level = 6; ++ switch (s->cur_file_info.flag & 0x06) ++ { ++ case 6 : *level = 1; break; ++ case 4 : *level = 2; break; ++ case 2 : *level = 9; break; ++ } ++ } ++ ++ if ((s->cur_file_info.compression_method!=0) && + (s->cur_file_info.compression_method!=Z_DEFLATED)) +- err=UNZ_BADZIPFILE; +- Store = s->cur_file_info.compression_method==0; ++ err=UNZ_BADZIPFILE; + +- pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; +- pfile_in_zip_read_info->crc32=0; +- pfile_in_zip_read_info->compression_method = ++ pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; ++ pfile_in_zip_read_info->crc32=0; ++ pfile_in_zip_read_info->compression_method = + s->cur_file_info.compression_method; +- pfile_in_zip_read_info->file=s->file; +- pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; ++ pfile_in_zip_read_info->filestream=s->filestream; ++ pfile_in_zip_read_info->z_filefunc=s->z_filefunc; ++ pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; + + pfile_in_zip_read_info->stream.total_out = 0; + +- if (!Store) +- { +- pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; +- pfile_in_zip_read_info->stream.zfree = (free_func)0; +- pfile_in_zip_read_info->stream.opaque = (voidpf)0; +- +- err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); +- if (err == Z_OK) +- pfile_in_zip_read_info->stream_initialised=1; ++ if ((s->cur_file_info.compression_method==Z_DEFLATED) && ++ (!raw)) ++ { ++ pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; ++ pfile_in_zip_read_info->stream.zfree = (free_func)0; ++ pfile_in_zip_read_info->stream.opaque = (voidpf)0; ++ pfile_in_zip_read_info->stream.next_in = (voidpf)0; ++ pfile_in_zip_read_info->stream.avail_in = 0; ++ ++ err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); ++ if (err == Z_OK) ++ pfile_in_zip_read_info->stream_initialised=1; ++ else ++ { ++ TRYFREE(pfile_in_zip_read_info); ++ return err; ++ } + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and +- * return Z_STREAM_END. +- * In unzip, i don't wait absolutely Z_STREAM_END because I known the ++ * return Z_STREAM_END. ++ * In unzip, i don't wait absolutely Z_STREAM_END because I known the + * size of both compressed and uncompressed data + */ +- } +- pfile_in_zip_read_info->rest_read_compressed = ++ } ++ pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size ; +- pfile_in_zip_read_info->rest_read_uncompressed = ++ pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size ; + +- +- pfile_in_zip_read_info->pos_in_zipfile = +- s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + +- iSizeVar; +- +- pfile_in_zip_read_info->stream.avail_in = (uInt)0; ++ ++ pfile_in_zip_read_info->pos_in_zipfile = ++ s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + ++ iSizeVar; ++ ++ pfile_in_zip_read_info->stream.avail_in = (uInt)0; ++ ++ s->pfile_in_zip_read = pfile_in_zip_read_info; ++ ++# ifndef NOUNCRYPT ++ if (password != NULL) ++ { ++ int i; ++ s->pcrc_32_tab = get_crc_table(); ++ init_keys(password,s->keys,s->pcrc_32_tab); ++ if (ZSEEK(s->z_filefunc, s->filestream, ++ s->pfile_in_zip_read->pos_in_zipfile + ++ s->pfile_in_zip_read->byte_before_the_zipfile, ++ SEEK_SET)!=0) ++ return UNZ_INTERNALERROR; ++ if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12) ++ return UNZ_INTERNALERROR; ++ ++ for (i = 0; i<12; i++) ++ zdecode(s->keys,s->pcrc_32_tab,source[i]); ++ ++ s->pfile_in_zip_read->pos_in_zipfile+=12; ++ s->encrypted=1; ++ } ++# endif + + +- s->pfile_in_zip_read = pfile_in_zip_read_info; + return UNZ_OK; + } + ++extern int ZEXPORT unzOpenCurrentFile (file) ++ unzFile file; ++{ ++ return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); ++} ++ ++extern int ZEXPORT unzOpenCurrentFilePassword (file, password) ++ unzFile file; ++ const char* password; ++{ ++ return unzOpenCurrentFile3(file, NULL, NULL, 0, password); ++} ++ ++extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw) ++ unzFile file; ++ int* method; ++ int* level; ++ int raw; ++{ ++ return unzOpenCurrentFile3(file, method, level, raw, NULL); ++} + + /* + Read bytes from the current file. +@@ -994,126 +1222,160 @@ + (UNZ_ERRNO for IO error, or zLib error for uncompress error) + */ + extern int ZEXPORT unzReadCurrentFile (file, buf, len) +- unzFile file; +- voidp buf; +- unsigned len; +-{ +- int err=UNZ_OK; +- uInt iRead = 0; +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unzFile file; ++ voidp buf; ++ unsigned len; ++{ ++ int err=UNZ_OK; ++ uInt iRead = 0; ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + +- if (pfile_in_zip_read_info==NULL) +- return UNZ_PARAMERROR; ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_PARAMERROR; + + +- if ((pfile_in_zip_read_info->read_buffer == NULL)) +- return UNZ_END_OF_LIST_OF_FILE; +- if (len==0) +- return 0; +- +- pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; +- +- pfile_in_zip_read_info->stream.avail_out = (uInt)len; +- +- if (len>pfile_in_zip_read_info->rest_read_uncompressed) +- pfile_in_zip_read_info->stream.avail_out = +- (uInt)pfile_in_zip_read_info->rest_read_uncompressed; +- +- while (pfile_in_zip_read_info->stream.avail_out>0) +- { +- if ((pfile_in_zip_read_info->stream.avail_in==0) && ++ if ((pfile_in_zip_read_info->read_buffer == NULL)) ++ return UNZ_END_OF_LIST_OF_FILE; ++ if (len==0) ++ return 0; ++ ++ pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; ++ ++ pfile_in_zip_read_info->stream.avail_out = (uInt)len; ++ ++ if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && ++ (!(pfile_in_zip_read_info->raw))) ++ pfile_in_zip_read_info->stream.avail_out = ++ (uInt)pfile_in_zip_read_info->rest_read_uncompressed; ++ ++ if ((len>pfile_in_zip_read_info->rest_read_compressed+ ++ pfile_in_zip_read_info->stream.avail_in) && ++ (pfile_in_zip_read_info->raw)) ++ pfile_in_zip_read_info->stream.avail_out = ++ (uInt)pfile_in_zip_read_info->rest_read_compressed+ ++ pfile_in_zip_read_info->stream.avail_in; ++ ++ while (pfile_in_zip_read_info->stream.avail_out>0) ++ { ++ if ((pfile_in_zip_read_info->stream.avail_in==0) && + (pfile_in_zip_read_info->rest_read_compressed>0)) +- { +- uInt uReadThis = UNZ_BUFSIZE; +- if (pfile_in_zip_read_info->rest_read_compressed<uReadThis) +- uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed; +- if (uReadThis == 0) +- return UNZ_EOF; +- if (fseek(pfile_in_zip_read_info->file, +- pfile_in_zip_read_info->pos_in_zipfile + +- pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET)!=0) +- return UNZ_ERRNO; +- if (fread(pfile_in_zip_read_info->read_buffer,uReadThis,1, +- pfile_in_zip_read_info->file)!=1) +- return UNZ_ERRNO; +- pfile_in_zip_read_info->pos_in_zipfile += uReadThis; +- +- pfile_in_zip_read_info->rest_read_compressed-=uReadThis; +- +- pfile_in_zip_read_info->stream.next_in = ++ { ++ uInt uReadThis = UNZ_BUFSIZE; ++ if (pfile_in_zip_read_info->rest_read_compressed<uReadThis) ++ uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed; ++ if (uReadThis == 0) ++ return UNZ_EOF; ++ if (ZSEEK(pfile_in_zip_read_info->z_filefunc, ++ pfile_in_zip_read_info->filestream, ++ pfile_in_zip_read_info->pos_in_zipfile + ++ pfile_in_zip_read_info->byte_before_the_zipfile, ++ ZLIB_FILEFUNC_SEEK_SET)!=0) ++ return UNZ_ERRNO; ++ if (ZREAD(pfile_in_zip_read_info->z_filefunc, ++ pfile_in_zip_read_info->filestream, ++ pfile_in_zip_read_info->read_buffer, ++ uReadThis)!=uReadThis) ++ return UNZ_ERRNO; ++ ++ ++# ifndef NOUNCRYPT ++ if(s->encrypted) ++ { ++ uInt i; ++ for(i=0;i<uReadThis;i++) ++ pfile_in_zip_read_info->read_buffer[i] = ++ zdecode(s->keys,s->pcrc_32_tab, ++ pfile_in_zip_read_info->read_buffer[i]); ++ } ++# endif ++ ++ ++ pfile_in_zip_read_info->pos_in_zipfile += uReadThis; ++ ++ pfile_in_zip_read_info->rest_read_compressed-=uReadThis; ++ ++ pfile_in_zip_read_info->stream.next_in = + (Bytef*)pfile_in_zip_read_info->read_buffer; +- pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; +- } ++ pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; ++ } ++ ++ if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) ++ { ++ uInt uDoCopy,i ; ++ ++ 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; + +- if (pfile_in_zip_read_info->compression_method==0) +- { +- uInt uDoCopy,i ; +- if (pfile_in_zip_read_info->stream.avail_out < ++ if (pfile_in_zip_read_info->stream.avail_out < + pfile_in_zip_read_info->stream.avail_in) +- uDoCopy = pfile_in_zip_read_info->stream.avail_out ; +- else +- uDoCopy = pfile_in_zip_read_info->stream.avail_in ; +- +- for (i=0;i<uDoCopy;i++) +- *(pfile_in_zip_read_info->stream.next_out+i) = ++ uDoCopy = pfile_in_zip_read_info->stream.avail_out ; ++ else ++ uDoCopy = pfile_in_zip_read_info->stream.avail_in ; ++ ++ for (i=0;i<uDoCopy;i++) ++ *(pfile_in_zip_read_info->stream.next_out+i) = + *(pfile_in_zip_read_info->stream.next_in+i); +- +- pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, +- pfile_in_zip_read_info->stream.next_out, +- uDoCopy); +- pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; +- pfile_in_zip_read_info->stream.avail_in -= uDoCopy; +- pfile_in_zip_read_info->stream.avail_out -= uDoCopy; +- pfile_in_zip_read_info->stream.next_out += uDoCopy; +- pfile_in_zip_read_info->stream.next_in += uDoCopy; ++ ++ pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, ++ pfile_in_zip_read_info->stream.next_out, ++ uDoCopy); ++ pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; ++ pfile_in_zip_read_info->stream.avail_in -= uDoCopy; ++ pfile_in_zip_read_info->stream.avail_out -= uDoCopy; ++ pfile_in_zip_read_info->stream.next_out += uDoCopy; ++ pfile_in_zip_read_info->stream.next_in += uDoCopy; + pfile_in_zip_read_info->stream.total_out += uDoCopy; +- iRead += uDoCopy; +- } +- else +- { +- uLong uTotalOutBefore,uTotalOutAfter; +- const Bytef *bufBefore; +- uLong uOutThis; +- int flush=Z_SYNC_FLUSH; +- +- uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; +- bufBefore = pfile_in_zip_read_info->stream.next_out; +- +- /* +- if ((pfile_in_zip_read_info->rest_read_uncompressed == +- pfile_in_zip_read_info->stream.avail_out) && +- (pfile_in_zip_read_info->rest_read_compressed == 0)) +- flush = Z_FINISH; +- */ +- err=inflate(&pfile_in_zip_read_info->stream,flush); +- +- uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; +- uOutThis = uTotalOutAfter-uTotalOutBefore; +- +- pfile_in_zip_read_info->crc32 = ++ iRead += uDoCopy; ++ } ++ else ++ { ++ uLong uTotalOutBefore,uTotalOutAfter; ++ const Bytef *bufBefore; ++ uLong uOutThis; ++ int flush=Z_SYNC_FLUSH; ++ ++ uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; ++ bufBefore = pfile_in_zip_read_info->stream.next_out; ++ ++ /* ++ if ((pfile_in_zip_read_info->rest_read_uncompressed == ++ pfile_in_zip_read_info->stream.avail_out) && ++ (pfile_in_zip_read_info->rest_read_compressed == 0)) ++ flush = Z_FINISH; ++ */ ++ err=inflate(&pfile_in_zip_read_info->stream,flush); ++ ++ if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL)) ++ err = Z_DATA_ERROR; ++ ++ uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; ++ uOutThis = uTotalOutAfter-uTotalOutBefore; ++ ++ pfile_in_zip_read_info->crc32 = + crc32(pfile_in_zip_read_info->crc32,bufBefore, + (uInt)(uOutThis)); + +- pfile_in_zip_read_info->rest_read_uncompressed -= ++ pfile_in_zip_read_info->rest_read_uncompressed -= + uOutThis; + +- iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); +- +- if (err==Z_STREAM_END) +- return (iRead==0) ? UNZ_EOF : iRead; +- if (err!=Z_OK) +- break; +- } +- } +- +- if (err==Z_OK) +- return iRead; +- return err; ++ iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); ++ ++ if (err==Z_STREAM_END) ++ return (iRead==0) ? UNZ_EOF : iRead; ++ if (err!=Z_OK) ++ break; ++ } ++ } ++ ++ if (err==Z_OK) ++ return iRead; ++ return err; + } + + +@@ -1121,42 +1383,42 @@ + Give the current position in uncompressed data + */ + extern z_off_t ZEXPORT unztell (file) +- unzFile file; ++ unzFile file; + { +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + +- if (pfile_in_zip_read_info==NULL) +- return UNZ_PARAMERROR; ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_PARAMERROR; + +- return (z_off_t)pfile_in_zip_read_info->stream.total_out; ++ return (z_off_t)pfile_in_zip_read_info->stream.total_out; + } + + + /* +- return 1 if the end of file was reached, 0 elsewhere ++ return 1 if the end of file was reached, 0 elsewhere + */ + extern int ZEXPORT unzeof (file) +- unzFile file; ++ unzFile file; + { +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + +- if (pfile_in_zip_read_info==NULL) +- return UNZ_PARAMERROR; +- +- if (pfile_in_zip_read_info->rest_read_uncompressed == 0) +- return 1; +- else +- return 0; ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_PARAMERROR; ++ ++ if (pfile_in_zip_read_info->rest_read_uncompressed == 0) ++ return 1; ++ else ++ return 0; + } + + +@@ -1169,51 +1431,55 @@ + if buf==NULL, it return the size of the local extra field that can be read + + if buf!=NULL, len is the size of the buffer, the extra header is copied in +- buf. +- the return value is the number of bytes 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 + */ + extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) +- unzFile file; +- voidp buf; +- unsigned len; +-{ +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- uInt read_now; +- uLong size_to_read; +- +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unzFile file; ++ voidp buf; ++ unsigned len; ++{ ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ uInt read_now; ++ uLong size_to_read; ++ ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + +- if (pfile_in_zip_read_info==NULL) +- return UNZ_PARAMERROR; ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_PARAMERROR; + +- size_to_read = (pfile_in_zip_read_info->size_local_extrafield - +- pfile_in_zip_read_info->pos_local_extrafield); ++ size_to_read = (pfile_in_zip_read_info->size_local_extrafield - ++ pfile_in_zip_read_info->pos_local_extrafield); + +- if (buf==NULL) +- return (int)size_to_read; +- +- if (len>size_to_read) +- read_now = (uInt)size_to_read; +- else +- read_now = (uInt)len ; +- +- if (read_now==0) +- return 0; +- +- if (fseek(pfile_in_zip_read_info->file, +- pfile_in_zip_read_info->offset_local_extrafield + +- pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET)!=0) +- return UNZ_ERRNO; ++ if (buf==NULL) ++ return (int)size_to_read; + +- if (fread(buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file)!=1) +- return UNZ_ERRNO; ++ if (len>size_to_read) ++ read_now = (uInt)size_to_read; ++ else ++ read_now = (uInt)len ; ++ ++ if (read_now==0) ++ return 0; + +- return (int)read_now; ++ if (ZSEEK(pfile_in_zip_read_info->z_filefunc, ++ pfile_in_zip_read_info->filestream, ++ pfile_in_zip_read_info->offset_local_extrafield + ++ pfile_in_zip_read_info->pos_local_extrafield, ++ ZLIB_FILEFUNC_SEEK_SET)!=0) ++ return UNZ_ERRNO; ++ ++ if (ZREAD(pfile_in_zip_read_info->z_filefunc, ++ pfile_in_zip_read_info->filestream, ++ buf,read_now)!=read_now) ++ return UNZ_ERRNO; ++ ++ return (int)read_now; + } + + /* +@@ -1221,39 +1487,40 @@ + Return UNZ_CRCERROR if all the file was read but the CRC is not good + */ + extern int ZEXPORT unzCloseCurrentFile (file) +- unzFile file; ++ unzFile file; + { +- int err=UNZ_OK; ++ int err=UNZ_OK; + +- unz_s* s; +- file_in_zip_read_info_s* pfile_in_zip_read_info; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; ++ unz_s* s; ++ file_in_zip_read_info_s* pfile_in_zip_read_info; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + +- if (pfile_in_zip_read_info==NULL) +- return UNZ_PARAMERROR; ++ if (pfile_in_zip_read_info==NULL) ++ return UNZ_PARAMERROR; + + +- if (pfile_in_zip_read_info->rest_read_uncompressed == 0) +- { +- if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) +- err=UNZ_CRCERROR; +- } ++ if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && ++ (!pfile_in_zip_read_info->raw)) ++ { ++ if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) ++ err=UNZ_CRCERROR; ++ } + + +- TRYFREE(pfile_in_zip_read_info->read_buffer); +- pfile_in_zip_read_info->read_buffer = NULL; +- if (pfile_in_zip_read_info->stream_initialised) +- inflateEnd(&pfile_in_zip_read_info->stream); ++ TRYFREE(pfile_in_zip_read_info->read_buffer); ++ pfile_in_zip_read_info->read_buffer = NULL; ++ if (pfile_in_zip_read_info->stream_initialised) ++ inflateEnd(&pfile_in_zip_read_info->stream); + +- pfile_in_zip_read_info->stream_initialised = 0; +- TRYFREE(pfile_in_zip_read_info); ++ pfile_in_zip_read_info->stream_initialised = 0; ++ TRYFREE(pfile_in_zip_read_info); + + s->pfile_in_zip_read=NULL; + +- return err; ++ return err; + } + + +@@ -1263,32 +1530,69 @@ + return the number of byte copied or an error code <0 + */ + extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) +- unzFile file; +- char *szComment; +- uLong uSizeBuf; +-{ +- int err=UNZ_OK; +- unz_s* s; +- uLong uReadThis ; +- if (file==NULL) +- return UNZ_PARAMERROR; +- s=(unz_s*)file; +- +- uReadThis = uSizeBuf; +- if (uReadThis>s->gi.size_comment) +- uReadThis = s->gi.size_comment; ++ unzFile file; ++ char *szComment; ++ uLong uSizeBuf; ++{ ++ int err=UNZ_OK; ++ unz_s* s; ++ uLong uReadThis ; ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; + +- if (fseek(s->file,s->central_pos+22,SEEK_SET)!=0) +- return UNZ_ERRNO; ++ uReadThis = uSizeBuf; ++ if (uReadThis>s->gi.size_comment) ++ uReadThis = s->gi.size_comment; + +- if (uReadThis>0) ++ if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) ++ return UNZ_ERRNO; ++ ++ if (uReadThis>0) + { + *szComment='\0'; +- if (fread(szComment,(uInt)uReadThis,1,s->file)!=1) +- return UNZ_ERRNO; ++ if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) ++ return UNZ_ERRNO; + } + +- if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) +- *(szComment+s->gi.size_comment)='\0'; +- return (int)uReadThis; ++ if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) ++ *(szComment+s->gi.size_comment)='\0'; ++ return (int)uReadThis; ++} ++ ++/* Additions by RX '2004 */ ++extern uLong ZEXPORT unzGetOffset (file) ++ unzFile file; ++{ ++ unz_s* s; ++ ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ if (!s->current_file_ok) ++ return 0; ++ if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) ++ if (s->num_file==s->gi.number_entry) ++ return 0; ++ return s->pos_in_central_dir; ++} ++ ++extern int ZEXPORT unzSetOffset (file, pos) ++ unzFile file; ++ uLong pos; ++{ ++ unz_s* s; ++ int err; ++ ++ if (file==NULL) ++ return UNZ_PARAMERROR; ++ s=(unz_s*)file; ++ ++ s->pos_in_central_dir = pos; ++ s->num_file = s->gi.number_entry; /* hack */ ++ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, ++ &s->cur_file_info_internal, ++ NULL,0,NULL,0,NULL,0); ++ s->current_file_ok = (err == UNZ_OK); ++ return err; + } +--- misc/zlib-1.1.4/contrib/minizip/unzip.h 1998-03-19 00:15:00.000000000 +0100 ++++ misc/build/zlib-1.1.4/contrib/minizip/unzip.h 2009-07-17 10:15:15.609375000 +0200 +@@ -1,15 +1,16 @@ +-/* unzip.h -- IO for uncompress .zip files using zlib +- Version 0.15 beta, Mar 19th, 1998, ++/* unzip.h -- IO for uncompress .zip files using zlib ++ Version 1.01e, February 12th, 2005 + +- Copyright (C) 1998 Gilles Vollant ++ Copyright (C) 1998-2005 Gilles Vollant + + This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g + WinZip, InfoZip tools and compatible. +- Encryption and multi volume ZipFile (span) are not supported. ++ ++ 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 + +- THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE +- CAN CHANGE IN FUTURE VERSION !! ++ + I WAIT FEEDBACK at mail info@winimage.com + Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution + +@@ -33,10 +34,13 @@ + + + */ +-/* for more info about .ZIP format, see +- ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip ++ ++/* 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 */ ++ ftp://ftp.pkware.com/probdesc.zip ++*/ + + #ifndef _unz_H + #define _unz_H +@@ -46,46 +50,50 @@ + #endif + + #ifndef _ZLIB_H +-#include "zlib.h" ++#include "zlib/zlib.h" ++#endif ++ ++#ifndef _ZLIBIOAPI_H ++#include "ioapi.h" + #endif + + #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 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_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 + { +- 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] */ ++ 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 + { +- 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 */ ++ 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; + + +@@ -98,8 +106,8 @@ + 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 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 */ +@@ -112,27 +120,34 @@ + } unz_file_info; + + extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, +- const char* fileName2, +- int iCaseSensitivity)); ++ 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 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 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)); +@@ -143,7 +158,7 @@ + return UNZ_OK if there is no problem. */ + + extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, +- unz_global_info *pglobal_info)); ++ unz_global_info *pglobal_info)); + /* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed +@@ -151,8 +166,8 @@ + + + extern int ZEXPORT unzGetGlobalComment OF((unzFile file, +- char *szComment, +- uLong uSizeBuf)); ++ char *szComment, ++ uLong uSizeBuf)); + /* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. +@@ -176,9 +191,9 @@ + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. + */ + +-extern int ZEXPORT unzLocateFile OF((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 +@@ -189,25 +204,44 @@ + */ + + ++/* ****************************************** */ ++/* 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)); ++ 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) + */ + + /***************************************************************************/ +@@ -221,16 +255,51 @@ + If there is no error, the return value is UNZ_OK. + */ + ++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 ZEXPORT unzReadCurrentFile OF((unzFile file, +- voidp buf, +- unsigned len)); ++extern int ZEXPORT 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 +@@ -249,12 +318,12 @@ + + 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 ZEXPORT unzGetLocalExtrafield OF((unzFile file, +- voidp buf, +- unsigned len)); ++ 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 +@@ -263,11 +332,21 @@ + 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 bytes 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 + --- misc/zlib-1.1.4/contrib/minizip/crypt.h 2009-07-17 11:13:37.281250000 +0200 ++++ misc/build/zlib-1.1.4/contrib/minizip/crypt.h 2009-07-17 10:58:41.843750000 +0200 +@@ -0,0 +1,132 @@ ++/* crypt.h -- base code for crypt/uncrypt ZIPfile ++ ++ ++ Version 1.01e, February 12th, 2005 ++ ++ Copyright (C) 1998-2005 Gilles Vollant ++ ++ This code is a modified version of crypting code in Infozip distribution ++ ++ The encryption/decryption parts of this source code (as opposed to the ++ non-echoing password parts) were originally written in Europe. The ++ whole source package can be freely distributed, including from the USA. ++ (Prior to January 2000, re-export from the US was a violation of US law.) ++ ++ This encryption code is a direct transcription of the algorithm from ++ Roger Schlafly, described by Phil Katz in the file appnote.txt. This ++ file (appnote.txt) is distributed with the PKZIP program (even in the ++ version without encryption capabilities). ++ ++ If you don't need crypting in your application, just define symbols ++ NOCRYPT and NOUNCRYPT. ++ ++ This code support the "Traditional PKWARE Encryption". ++ ++ The new AES encryption added on Zip format by Winzip (see the page ++ http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong ++ Encryption is not supported. ++*/ ++ ++#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) ++ ++/*********************************************************************** ++ * Return the next byte in the pseudo-random sequence ++ */ ++static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) ++{ ++ unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an ++ * unpredictable manner on 16-bit systems; not a problem ++ * with any known compiler so far, though */ ++ ++ temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; ++ return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); ++} ++ ++/*********************************************************************** ++ * Update the encryption keys with the next byte of plain text ++ */ ++static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) ++{ ++ (*(pkeys+0)) = CRC32((*(pkeys+0)), c); ++ (*(pkeys+1)) += (*(pkeys+0)) & 0xff; ++ (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; ++ { ++ register int keyshift = (int)((*(pkeys+1)) >> 24); ++ (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); ++ } ++ return c; ++} ++ ++ ++/*********************************************************************** ++ * Initialize the encryption keys and the random header according to ++ * the given password. ++ */ ++static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) ++{ ++ *(pkeys+0) = 305419896L; ++ *(pkeys+1) = 591751049L; ++ *(pkeys+2) = 878082192L; ++ while (*passwd != '\0') { ++ update_keys(pkeys,pcrc_32_tab,(int)*passwd); ++ passwd++; ++ } ++} ++ ++#define zdecode(pkeys,pcrc_32_tab,c) \ ++ (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) ++ ++#define zencode(pkeys,pcrc_32_tab,c,t) \ ++ (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) ++ ++#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED ++ ++#define RAND_HEAD_LEN 12 ++ /* "last resort" source for second part of crypt seed pattern */ ++# ifndef ZCR_SEED2 ++# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ ++# endif ++ ++static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) ++ const char *passwd; /* password string */ ++ unsigned char *buf; /* where to write header */ ++ int bufSize; ++ unsigned long* pkeys; ++ const unsigned long* pcrc_32_tab; ++ unsigned long crcForCrypting; ++{ ++ int n; /* index in random header */ ++ int t; /* temporary */ ++ int c; /* random byte */ ++ unsigned char header[RAND_HEAD_LEN-2]; /* random header */ ++ static unsigned calls = 0; /* ensure different random header each time */ ++ ++ if (bufSize<RAND_HEAD_LEN) ++ return 0; ++ ++ /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the ++ * output of rand() to get less predictability, since rand() is ++ * often poorly implemented. ++ */ ++ if (++calls == 1) ++ { ++ srand((unsigned)(time(NULL) ^ ZCR_SEED2)); ++ } ++ init_keys(passwd, pkeys, pcrc_32_tab); ++ for (n = 0; n < RAND_HEAD_LEN-2; n++) ++ { ++ c = (rand() >> 7) & 0xff; ++ header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); ++ } ++ /* Encrypt random header (last two bytes is high word of crc) */ ++ init_keys(passwd, pkeys, pcrc_32_tab); ++ for (n = 0; n < RAND_HEAD_LEN-2; n++) ++ { ++ buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); ++ } ++ buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); ++ buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); ++ return n; ++} ++ ++#endif +--- misc/zlib-1.1.4/contrib/minizip/ioapi.c 2009-07-17 11:13:18.593750000 +0200 ++++ misc/build/zlib-1.1.4/contrib/minizip/ioapi.c 2009-07-17 10:58:56.718750000 +0200 +@@ -0,0 +1,177 @@ ++/* ioapi.c -- IO base function header for compress/uncompress .zip ++ files using zlib + zip or unzip API ++ ++ Version 1.01e, February 12th, 2005 ++ ++ Copyright (C) 1998-2005 Gilles Vollant ++*/ ++ ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++ ++#include "zlib.h" ++#include "ioapi.h" ++ ++ ++ ++/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ ++ ++#ifndef SEEK_CUR ++#define SEEK_CUR 1 ++#endif ++ ++#ifndef SEEK_END ++#define SEEK_END 2 ++#endif ++ ++#ifndef SEEK_SET ++#define SEEK_SET 0 ++#endif ++ ++voidpf ZCALLBACK fopen_file_func OF(( ++ voidpf opaque, ++ const char* filename, ++ int mode)); ++ ++uLong ZCALLBACK fread_file_func OF(( ++ voidpf opaque, ++ voidpf stream, ++ void* buf, ++ uLong size)); ++ ++uLong ZCALLBACK fwrite_file_func OF(( ++ voidpf opaque, ++ voidpf stream, ++ const void* buf, ++ uLong size)); ++ ++long ZCALLBACK ftell_file_func OF(( ++ voidpf opaque, ++ voidpf stream)); ++ ++long ZCALLBACK fseek_file_func OF(( ++ voidpf opaque, ++ voidpf stream, ++ uLong offset, ++ int origin)); ++ ++int ZCALLBACK fclose_file_func OF(( ++ voidpf opaque, ++ voidpf stream)); ++ ++int ZCALLBACK ferror_file_func OF(( ++ voidpf opaque, ++ voidpf stream)); ++ ++ ++voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) ++ voidpf opaque; ++ const char* filename; ++ int mode; ++{ ++ FILE* file = NULL; ++ const char* mode_fopen = NULL; ++ if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) ++ mode_fopen = "rb"; ++ else ++ if (mode & ZLIB_FILEFUNC_MODE_EXISTING) ++ mode_fopen = "r+b"; ++ else ++ if (mode & ZLIB_FILEFUNC_MODE_CREATE) ++ mode_fopen = "wb"; ++ ++ if ((filename!=NULL) && (mode_fopen != NULL)) ++ file = fopen(filename, mode_fopen); ++ return file; ++} ++ ++ ++uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) ++ voidpf opaque; ++ voidpf stream; ++ void* buf; ++ uLong size; ++{ ++ uLong ret; ++ ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); ++ return ret; ++} ++ ++ ++uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size) ++ voidpf opaque; ++ voidpf stream; ++ const void* buf; ++ uLong size; ++{ ++ uLong ret; ++ ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); ++ return ret; ++} ++ ++long ZCALLBACK ftell_file_func (opaque, stream) ++ voidpf opaque; ++ voidpf stream; ++{ ++ long ret; ++ ret = ftell((FILE *)stream); ++ return ret; ++} ++ ++long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) ++ voidpf opaque; ++ voidpf stream; ++ uLong offset; ++ int origin; ++{ ++ int fseek_origin=0; ++ long ret; ++ switch (origin) ++ { ++ case ZLIB_FILEFUNC_SEEK_CUR : ++ fseek_origin = SEEK_CUR; ++ break; ++ case ZLIB_FILEFUNC_SEEK_END : ++ fseek_origin = SEEK_END; ++ break; ++ case ZLIB_FILEFUNC_SEEK_SET : ++ fseek_origin = SEEK_SET; ++ break; ++ default: return -1; ++ } ++ ret = 0; ++ fseek((FILE *)stream, offset, fseek_origin); ++ return ret; ++} ++ ++int ZCALLBACK fclose_file_func (opaque, stream) ++ voidpf opaque; ++ voidpf stream; ++{ ++ int ret; ++ ret = fclose((FILE *)stream); ++ return ret; ++} ++ ++int ZCALLBACK ferror_file_func (opaque, stream) ++ voidpf opaque; ++ voidpf stream; ++{ ++ int ret; ++ ret = ferror((FILE *)stream); ++ return ret; ++} ++ ++void fill_fopen_filefunc (pzlib_filefunc_def) ++ zlib_filefunc_def* pzlib_filefunc_def; ++{ ++ pzlib_filefunc_def->zopen_file = fopen_file_func; ++ pzlib_filefunc_def->zread_file = fread_file_func; ++ pzlib_filefunc_def->zwrite_file = fwrite_file_func; ++ pzlib_filefunc_def->ztell_file = ftell_file_func; ++ pzlib_filefunc_def->zseek_file = fseek_file_func; ++ pzlib_filefunc_def->zclose_file = fclose_file_func; ++ pzlib_filefunc_def->zerror_file = ferror_file_func; ++ pzlib_filefunc_def->opaque = NULL; ++} +--- misc/zlib-1.1.4/contrib/minizip/ioapi.h 2009-07-17 11:13:30.109375000 +0200 ++++ misc/build/zlib-1.1.4/contrib/minizip/ioapi.h 2009-07-17 10:59:06.375000000 +0200 +@@ -0,0 +1,75 @@ ++/* ioapi.h -- IO base function header for compress/uncompress .zip ++ files using zlib + zip or unzip API ++ ++ Version 1.01e, February 12th, 2005 ++ ++ Copyright (C) 1998-2005 Gilles Vollant ++*/ ++ ++#ifndef _ZLIBIOAPI_H ++#define _ZLIBIOAPI_H ++ ++ ++#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) ++ ++ ++#ifndef ZCALLBACK ++ ++#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) ++#define ZCALLBACK CALLBACK ++#else ++#define ZCALLBACK ++#endif ++#endif ++ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); ++typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); ++typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); ++typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); ++typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); ++typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); ++typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); ++ ++typedef struct zlib_filefunc_def_s ++{ ++ open_file_func zopen_file; ++ read_file_func zread_file; ++ write_file_func zwrite_file; ++ tell_file_func ztell_file; ++ seek_file_func zseek_file; ++ close_file_func zclose_file; ++ testerror_file_func zerror_file; ++ voidpf opaque; ++} zlib_filefunc_def; ++ ++ ++ ++void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); ++ ++#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) ++#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) ++#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) ++#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) ++#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) ++#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) ++ ++ ++#ifdef __cplusplus ++} ++#endif ++ ++#endif ++ |