packvfs

diff test/zipcat/src/minizip/iowin32.c @ 3:ef6c1472607f

jesus fucking christ that was easy... written a test prog "zipcat" to try out zlib's contrib library "minizip", to list and read files out of zip archives directly...
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 04 Nov 2013 06:46:17 +0200
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/zipcat/src/minizip/iowin32.c	Mon Nov 04 06:46:17 2013 +0200
     1.3 @@ -0,0 +1,467 @@
     1.4 +/* iowin32.c -- IO base function header for compress/uncompress .zip
     1.5 +     Version 1.1, February 14h, 2010
     1.6 +     part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
     1.7 +
     1.8 +         Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
     1.9 +
    1.10 +         Modifications for Zip64 support
    1.11 +         Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
    1.12 +
    1.13 +     For more info read MiniZip_info.txt
    1.14 +
    1.15 +*/
    1.16 +
    1.17 +#ifdef WIN32
    1.18 +
    1.19 +#include <stdlib.h>
    1.20 +
    1.21 +#include "zlib.h"
    1.22 +#include "ioapi.h"
    1.23 +#include "iowin32.h"
    1.24 +
    1.25 +#ifndef INVALID_HANDLE_VALUE
    1.26 +#define INVALID_HANDLE_VALUE (0xFFFFFFFF)
    1.27 +#endif
    1.28 +
    1.29 +#ifndef INVALID_SET_FILE_POINTER
    1.30 +#define INVALID_SET_FILE_POINTER ((DWORD)-1)
    1.31 +#endif
    1.32 +
    1.33 +
    1.34 +#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
    1.35 +#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
    1.36 +#define IOWIN32_USING_WINRT_API 1
    1.37 +#endif
    1.38 +#endif
    1.39 +
    1.40 +voidpf  ZCALLBACK win32_open_file_func  OF((voidpf opaque, const char* filename, int mode));
    1.41 +uLong   ZCALLBACK win32_read_file_func  OF((voidpf opaque, voidpf stream, void* buf, uLong size));
    1.42 +uLong   ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
    1.43 +ZPOS64_T ZCALLBACK win32_tell64_file_func  OF((voidpf opaque, voidpf stream));
    1.44 +long    ZCALLBACK win32_seek64_file_func  OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
    1.45 +int     ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
    1.46 +int     ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
    1.47 +
    1.48 +typedef struct
    1.49 +{
    1.50 +    HANDLE hf;
    1.51 +    int error;
    1.52 +} WIN32FILE_IOWIN;
    1.53 +
    1.54 +
    1.55 +static void win32_translate_open_mode(int mode,
    1.56 +                                      DWORD* lpdwDesiredAccess,
    1.57 +                                      DWORD* lpdwCreationDisposition,
    1.58 +                                      DWORD* lpdwShareMode,
    1.59 +                                      DWORD* lpdwFlagsAndAttributes)
    1.60 +{
    1.61 +    *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
    1.62 +
    1.63 +    if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
    1.64 +    {
    1.65 +        *lpdwDesiredAccess = GENERIC_READ;
    1.66 +        *lpdwCreationDisposition = OPEN_EXISTING;
    1.67 +        *lpdwShareMode = FILE_SHARE_READ;
    1.68 +    }
    1.69 +    else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
    1.70 +    {
    1.71 +        *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
    1.72 +        *lpdwCreationDisposition = OPEN_EXISTING;
    1.73 +    }
    1.74 +    else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
    1.75 +    {
    1.76 +        *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
    1.77 +        *lpdwCreationDisposition = CREATE_ALWAYS;
    1.78 +    }
    1.79 +}
    1.80 +
    1.81 +static voidpf win32_build_iowin(HANDLE hFile)
    1.82 +{
    1.83 +    voidpf ret=NULL;
    1.84 +
    1.85 +    if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
    1.86 +    {
    1.87 +        WIN32FILE_IOWIN w32fiow;
    1.88 +        w32fiow.hf = hFile;
    1.89 +        w32fiow.error = 0;
    1.90 +        ret = malloc(sizeof(WIN32FILE_IOWIN));
    1.91 +
    1.92 +        if (ret==NULL)
    1.93 +            CloseHandle(hFile);
    1.94 +        else
    1.95 +            *((WIN32FILE_IOWIN*)ret) = w32fiow;
    1.96 +    }
    1.97 +    return ret;
    1.98 +}
    1.99 +
   1.100 +voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
   1.101 +{
   1.102 +    const char* mode_fopen = NULL;
   1.103 +    DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
   1.104 +    HANDLE hFile = NULL;
   1.105 +
   1.106 +    win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
   1.107 +
   1.108 +#ifdef IOWIN32_USING_WINRT_API
   1.109 +#ifdef UNICODE
   1.110 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.111 +        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
   1.112 +#else
   1.113 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.114 +    {
   1.115 +        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
   1.116 +        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
   1.117 +        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
   1.118 +    }
   1.119 +#endif
   1.120 +#else
   1.121 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.122 +        hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
   1.123 +#endif
   1.124 +
   1.125 +    return win32_build_iowin(hFile);
   1.126 +}
   1.127 +
   1.128 +
   1.129 +voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
   1.130 +{
   1.131 +    const char* mode_fopen = NULL;
   1.132 +    DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
   1.133 +    HANDLE hFile = NULL;
   1.134 +
   1.135 +    win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
   1.136 +
   1.137 +#ifdef IOWIN32_USING_WINRT_API
   1.138 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.139 +    {
   1.140 +        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
   1.141 +        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
   1.142 +        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
   1.143 +    }
   1.144 +#else
   1.145 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.146 +        hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
   1.147 +#endif
   1.148 +
   1.149 +    return win32_build_iowin(hFile);
   1.150 +}
   1.151 +
   1.152 +
   1.153 +voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
   1.154 +{
   1.155 +    const char* mode_fopen = NULL;
   1.156 +    DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
   1.157 +    HANDLE hFile = NULL;
   1.158 +
   1.159 +    win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
   1.160 +
   1.161 +#ifdef IOWIN32_USING_WINRT_API
   1.162 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.163 +        hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
   1.164 +#else
   1.165 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.166 +        hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
   1.167 +#endif
   1.168 +
   1.169 +    return win32_build_iowin(hFile);
   1.170 +}
   1.171 +
   1.172 +
   1.173 +voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
   1.174 +{
   1.175 +    const char* mode_fopen = NULL;
   1.176 +    DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
   1.177 +    HANDLE hFile = NULL;
   1.178 +
   1.179 +    win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
   1.180 +
   1.181 +#ifdef IOWIN32_USING_WINRT_API
   1.182 +#ifdef UNICODE
   1.183 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.184 +        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
   1.185 +#else
   1.186 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.187 +    {
   1.188 +        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
   1.189 +        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
   1.190 +        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
   1.191 +    }
   1.192 +#endif
   1.193 +#else
   1.194 +    if ((filename!=NULL) && (dwDesiredAccess != 0))
   1.195 +        hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
   1.196 +#endif
   1.197 +
   1.198 +    return win32_build_iowin(hFile);
   1.199 +}
   1.200 +
   1.201 +
   1.202 +uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
   1.203 +{
   1.204 +    uLong ret=0;
   1.205 +    HANDLE hFile = NULL;
   1.206 +    if (stream!=NULL)
   1.207 +        hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
   1.208 +
   1.209 +    if (hFile != NULL)
   1.210 +    {
   1.211 +        if (!ReadFile(hFile, buf, size, &ret, NULL))
   1.212 +        {
   1.213 +            DWORD dwErr = GetLastError();
   1.214 +            if (dwErr == ERROR_HANDLE_EOF)
   1.215 +                dwErr = 0;
   1.216 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.217 +        }
   1.218 +    }
   1.219 +
   1.220 +    return ret;
   1.221 +}
   1.222 +
   1.223 +
   1.224 +uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
   1.225 +{
   1.226 +    uLong ret=0;
   1.227 +    HANDLE hFile = NULL;
   1.228 +    if (stream!=NULL)
   1.229 +        hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
   1.230 +
   1.231 +    if (hFile != NULL)
   1.232 +    {
   1.233 +        if (!WriteFile(hFile, buf, size, &ret, NULL))
   1.234 +        {
   1.235 +            DWORD dwErr = GetLastError();
   1.236 +            if (dwErr == ERROR_HANDLE_EOF)
   1.237 +                dwErr = 0;
   1.238 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.239 +        }
   1.240 +    }
   1.241 +
   1.242 +    return ret;
   1.243 +}
   1.244 +
   1.245 +static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos,  DWORD dwMoveMethod)
   1.246 +{
   1.247 +#ifdef IOWIN32_USING_WINRT_API
   1.248 +    return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
   1.249 +#else
   1.250 +    LONG lHigh = pos.HighPart;
   1.251 +    DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
   1.252 +    BOOL fOk = TRUE;
   1.253 +    if (dwNewPos == 0xFFFFFFFF)
   1.254 +        if (GetLastError() != NO_ERROR)
   1.255 +            fOk = FALSE;
   1.256 +    if ((newPos != NULL) && (fOk))
   1.257 +    {
   1.258 +        newPos->LowPart = dwNewPos;
   1.259 +        newPos->HighPart = lHigh;
   1.260 +    }
   1.261 +    return fOk;
   1.262 +#endif
   1.263 +}
   1.264 +
   1.265 +long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
   1.266 +{
   1.267 +    long ret=-1;
   1.268 +    HANDLE hFile = NULL;
   1.269 +    if (stream!=NULL)
   1.270 +        hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
   1.271 +    if (hFile != NULL)
   1.272 +    {
   1.273 +        LARGE_INTEGER pos;
   1.274 +        pos.QuadPart = 0;
   1.275 +
   1.276 +        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
   1.277 +        {
   1.278 +            DWORD dwErr = GetLastError();
   1.279 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.280 +            ret = -1;
   1.281 +        }
   1.282 +        else
   1.283 +            ret=(long)pos.LowPart;
   1.284 +    }
   1.285 +    return ret;
   1.286 +}
   1.287 +
   1.288 +ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
   1.289 +{
   1.290 +    ZPOS64_T ret= (ZPOS64_T)-1;
   1.291 +    HANDLE hFile = NULL;
   1.292 +    if (stream!=NULL)
   1.293 +        hFile = ((WIN32FILE_IOWIN*)stream)->hf;
   1.294 +
   1.295 +    if (hFile)
   1.296 +    {
   1.297 +        LARGE_INTEGER pos;
   1.298 +        pos.QuadPart = 0;
   1.299 +
   1.300 +        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
   1.301 +        {
   1.302 +            DWORD dwErr = GetLastError();
   1.303 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.304 +            ret = (ZPOS64_T)-1;
   1.305 +        }
   1.306 +        else
   1.307 +            ret=pos.QuadPart;
   1.308 +    }
   1.309 +    return ret;
   1.310 +}
   1.311 +
   1.312 +
   1.313 +long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
   1.314 +{
   1.315 +    DWORD dwMoveMethod=0xFFFFFFFF;
   1.316 +    HANDLE hFile = NULL;
   1.317 +
   1.318 +    long ret=-1;
   1.319 +    if (stream!=NULL)
   1.320 +        hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
   1.321 +    switch (origin)
   1.322 +    {
   1.323 +    case ZLIB_FILEFUNC_SEEK_CUR :
   1.324 +        dwMoveMethod = FILE_CURRENT;
   1.325 +        break;
   1.326 +    case ZLIB_FILEFUNC_SEEK_END :
   1.327 +        dwMoveMethod = FILE_END;
   1.328 +        break;
   1.329 +    case ZLIB_FILEFUNC_SEEK_SET :
   1.330 +        dwMoveMethod = FILE_BEGIN;
   1.331 +        break;
   1.332 +    default: return -1;
   1.333 +    }
   1.334 +
   1.335 +    if (hFile != NULL)
   1.336 +    {
   1.337 +        LARGE_INTEGER pos;
   1.338 +        pos.QuadPart = offset;
   1.339 +        if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
   1.340 +        {
   1.341 +            DWORD dwErr = GetLastError();
   1.342 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.343 +            ret = -1;
   1.344 +        }
   1.345 +        else
   1.346 +            ret=0;
   1.347 +    }
   1.348 +    return ret;
   1.349 +}
   1.350 +
   1.351 +long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
   1.352 +{
   1.353 +    DWORD dwMoveMethod=0xFFFFFFFF;
   1.354 +    HANDLE hFile = NULL;
   1.355 +    long ret=-1;
   1.356 +
   1.357 +    if (stream!=NULL)
   1.358 +        hFile = ((WIN32FILE_IOWIN*)stream)->hf;
   1.359 +
   1.360 +    switch (origin)
   1.361 +    {
   1.362 +        case ZLIB_FILEFUNC_SEEK_CUR :
   1.363 +            dwMoveMethod = FILE_CURRENT;
   1.364 +            break;
   1.365 +        case ZLIB_FILEFUNC_SEEK_END :
   1.366 +            dwMoveMethod = FILE_END;
   1.367 +            break;
   1.368 +        case ZLIB_FILEFUNC_SEEK_SET :
   1.369 +            dwMoveMethod = FILE_BEGIN;
   1.370 +            break;
   1.371 +        default: return -1;
   1.372 +    }
   1.373 +
   1.374 +    if (hFile)
   1.375 +    {
   1.376 +        LARGE_INTEGER pos;
   1.377 +        pos.QuadPart = offset;
   1.378 +        if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
   1.379 +        {
   1.380 +            DWORD dwErr = GetLastError();
   1.381 +            ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
   1.382 +            ret = -1;
   1.383 +        }
   1.384 +        else
   1.385 +            ret=0;
   1.386 +    }
   1.387 +    return ret;
   1.388 +}
   1.389 +
   1.390 +int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
   1.391 +{
   1.392 +    int ret=-1;
   1.393 +
   1.394 +    if (stream!=NULL)
   1.395 +    {
   1.396 +        HANDLE hFile;
   1.397 +        hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
   1.398 +        if (hFile != NULL)
   1.399 +        {
   1.400 +            CloseHandle(hFile);
   1.401 +            ret=0;
   1.402 +        }
   1.403 +        free(stream);
   1.404 +    }
   1.405 +    return ret;
   1.406 +}
   1.407 +
   1.408 +int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
   1.409 +{
   1.410 +    int ret=-1;
   1.411 +    if (stream!=NULL)
   1.412 +    {
   1.413 +        ret = ((WIN32FILE_IOWIN*)stream) -> error;
   1.414 +    }
   1.415 +    return ret;
   1.416 +}
   1.417 +
   1.418 +void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
   1.419 +{
   1.420 +    pzlib_filefunc_def->zopen_file = win32_open_file_func;
   1.421 +    pzlib_filefunc_def->zread_file = win32_read_file_func;
   1.422 +    pzlib_filefunc_def->zwrite_file = win32_write_file_func;
   1.423 +    pzlib_filefunc_def->ztell_file = win32_tell_file_func;
   1.424 +    pzlib_filefunc_def->zseek_file = win32_seek_file_func;
   1.425 +    pzlib_filefunc_def->zclose_file = win32_close_file_func;
   1.426 +    pzlib_filefunc_def->zerror_file = win32_error_file_func;
   1.427 +    pzlib_filefunc_def->opaque = NULL;
   1.428 +}
   1.429 +
   1.430 +void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
   1.431 +{
   1.432 +    pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
   1.433 +    pzlib_filefunc_def->zread_file = win32_read_file_func;
   1.434 +    pzlib_filefunc_def->zwrite_file = win32_write_file_func;
   1.435 +    pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
   1.436 +    pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
   1.437 +    pzlib_filefunc_def->zclose_file = win32_close_file_func;
   1.438 +    pzlib_filefunc_def->zerror_file = win32_error_file_func;
   1.439 +    pzlib_filefunc_def->opaque = NULL;
   1.440 +}
   1.441 +
   1.442 +
   1.443 +void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
   1.444 +{
   1.445 +    pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
   1.446 +    pzlib_filefunc_def->zread_file = win32_read_file_func;
   1.447 +    pzlib_filefunc_def->zwrite_file = win32_write_file_func;
   1.448 +    pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
   1.449 +    pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
   1.450 +    pzlib_filefunc_def->zclose_file = win32_close_file_func;
   1.451 +    pzlib_filefunc_def->zerror_file = win32_error_file_func;
   1.452 +    pzlib_filefunc_def->opaque = NULL;
   1.453 +}
   1.454 +
   1.455 +
   1.456 +void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
   1.457 +{
   1.458 +    pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
   1.459 +    pzlib_filefunc_def->zread_file = win32_read_file_func;
   1.460 +    pzlib_filefunc_def->zwrite_file = win32_write_file_func;
   1.461 +    pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
   1.462 +    pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
   1.463 +    pzlib_filefunc_def->zclose_file = win32_close_file_func;
   1.464 +    pzlib_filefunc_def->zerror_file = win32_error_file_func;
   1.465 +    pzlib_filefunc_def->opaque = NULL;
   1.466 +}
   1.467 +
   1.468 +#else
   1.469 +int __minizip_iowin32_c_avoid_empty_unit_warning;
   1.470 +#endif	/* WIN32 */