diff options
Diffstat (limited to 'compat/zlib/contrib/minizip/ioapi.c')
| -rw-r--r-- | compat/zlib/contrib/minizip/ioapi.c | 220 |
1 files changed, 139 insertions, 81 deletions
diff --git a/compat/zlib/contrib/minizip/ioapi.c b/compat/zlib/contrib/minizip/ioapi.c index f1bee23..49958f6 100644 --- a/compat/zlib/contrib/minizip/ioapi.c +++ b/compat/zlib/contrib/minizip/ioapi.c @@ -1,74 +1,104 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API +/* ioapi.h -- IO base function header for compress/uncompress .zip + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - 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" + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + For more info read MiniZip_info.txt -/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ +*/ -#ifndef SEEK_CUR -#define SEEK_CUR 1 +#if (defined(_WIN32)) + #define _CRT_SECURE_NO_WARNINGS #endif -#ifndef SEEK_END -#define SEEK_END 2 -#endif +#include "ioapi.h" -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif +voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode) +{ + if (pfilefunc->zfile_func64.zopen64_file != NULL) + return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode); + else + { + return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode); + } +} -voidpf ZCALLBACK fopen_file_func OF(( - voidpf opaque, - const char* filename, - int mode)); +long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) +{ + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); + else + { + uLong offsetTruncated = (uLong)offset; + if (offsetTruncated != offset) + return -1; + else + return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin); + } +} -uLong ZCALLBACK fread_file_func OF(( - voidpf opaque, - voidpf stream, - void* buf, - uLong size)); +ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream) +{ + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream); + else + { + uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream); + if ((tell_uLong) == ((uLong)-1)) + return (ZPOS64_T)-1; + else + return tell_uLong; + } +} -uLong ZCALLBACK fwrite_file_func OF(( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size)); +void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32) +{ + p_filefunc64_32->zfile_func64.zopen64_file = NULL; + p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; + p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; + p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; + p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; + p_filefunc64_32->zfile_func64.ztell64_file = NULL; + p_filefunc64_32->zfile_func64.zseek64_file = NULL; + p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file; + p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; + p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; + p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; + p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; +} -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)); +static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode)); +static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +static uLong ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size)); +static ZPOS64_T ZCALLBACK ftell64_file_func OF((voidpf opaque, voidpf stream)); +static long ZCALLBACK fseek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); +static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream)); +static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream)); -int ZCALLBACK ferror_file_func OF(( - voidpf opaque, - voidpf stream)); +static voidpf ZCALLBACK fopen_file_func (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; +} -voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) - voidpf opaque; - const char* filename; - int mode; +static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode) { FILE* file = NULL; const char* mode_fopen = NULL; @@ -82,48 +112,41 @@ voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) mode_fopen = "wb"; if ((filename!=NULL) && (mode_fopen != NULL)) - file = fopen(filename, mode_fopen); + file = fopen64((const char*)filename, mode_fopen); return file; } -uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - void* buf; - uLong size; +static uLong ZCALLBACK fread_file_func (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; +static uLong ZCALLBACK fwrite_file_func (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; +static long ZCALLBACK ftell_file_func (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; + +static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream) +{ + ZPOS64_T ret; + ret = ftello64((FILE *)stream); + return ret; +} + +static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin) { int fseek_origin=0; long ret; @@ -141,22 +164,45 @@ long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) default: return -1; } ret = 0; - fseek((FILE *)stream, offset, fseek_origin); + if (fseek((FILE *)stream, offset, fseek_origin) != 0) + ret = -1; return ret; } -int ZCALLBACK fclose_file_func (opaque, stream) - voidpf opaque; - voidpf stream; +static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T 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; + + if(fseeko64((FILE *)stream, offset, fseek_origin) != 0) + ret = -1; + + return ret; +} + + +static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream) { int ret; ret = fclose((FILE *)stream); return ret; } -int ZCALLBACK ferror_file_func (opaque, stream) - voidpf opaque; - voidpf stream; +static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream) { int ret; ret = ferror((FILE *)stream); @@ -175,3 +221,15 @@ void fill_fopen_filefunc (pzlib_filefunc_def) pzlib_filefunc_def->zerror_file = ferror_file_func; pzlib_filefunc_def->opaque = NULL; } + +void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen64_file = fopen64_file_func; + pzlib_filefunc_def->zread_file = fread_file_func; + pzlib_filefunc_def->zwrite_file = fwrite_file_func; + pzlib_filefunc_def->ztell64_file = ftell64_file_func; + pzlib_filefunc_def->zseek64_file = fseek64_file_func; + pzlib_filefunc_def->zclose_file = fclose_file_func; + pzlib_filefunc_def->zerror_file = ferror_file_func; + pzlib_filefunc_def->opaque = NULL; +} |