diff options
Diffstat (limited to 'libs/zlib/src/iowin32.c')
| -rw-r--r-- | libs/zlib/src/iowin32.c | 677 |
1 files changed, 356 insertions, 321 deletions
diff --git a/libs/zlib/src/iowin32.c b/libs/zlib/src/iowin32.c index dbca36fb19..274f39eb1d 100644 --- a/libs/zlib/src/iowin32.c +++ b/libs/zlib/src/iowin32.c @@ -26,13 +26,14 @@ #endif +// see Include/shared/winapifamily.h in the Windows Kit #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) -#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) +#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) #define IOWIN32_USING_WINRT_API 1 #endif #endif -voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const wchar_t* filename, int mode)); +voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode)); uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream)); @@ -42,386 +43,420 @@ int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream)); typedef struct { - HANDLE hf; - int error; + HANDLE hf; + int error; } WIN32FILE_IOWIN; + static void win32_translate_open_mode(int mode, - DWORD* lpdwDesiredAccess, - DWORD* lpdwCreationDisposition, - DWORD* lpdwShareMode, - DWORD* lpdwFlagsAndAttributes) + DWORD* lpdwDesiredAccess, + DWORD* lpdwCreationDisposition, + DWORD* lpdwShareMode, + DWORD* lpdwFlagsAndAttributes) { - *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; - - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) { - *lpdwDesiredAccess = GENERIC_READ; - *lpdwCreationDisposition = OPEN_EXISTING; - *lpdwShareMode = FILE_SHARE_READ; - } - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) { - *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - *lpdwCreationDisposition = OPEN_EXISTING; - } - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) { - *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - *lpdwCreationDisposition = CREATE_ALWAYS; - } + *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + { + *lpdwDesiredAccess = GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; + *lpdwShareMode = FILE_SHARE_READ; + } + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + { + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; + } + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) + { + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = CREATE_ALWAYS; + } } static voidpf win32_build_iowin(HANDLE hFile) { - voidpf ret = NULL; - - if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) { - WIN32FILE_IOWIN w32fiow; - w32fiow.hf = hFile; - w32fiow.error = 0; - ret = malloc(sizeof(WIN32FILE_IOWIN)); - - if (ret == NULL) - CloseHandle(hFile); - else - *((WIN32FILE_IOWIN*)ret) = w32fiow; - } - return ret; + voidpf ret=NULL; + + if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) + { + WIN32FILE_IOWIN w32fiow; + w32fiow.hf = hFile; + w32fiow.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + + if (ret==NULL) + CloseHandle(hFile); + else + *((WIN32FILE_IOWIN*)ret) = w32fiow; + } + return ret; } -voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) +voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) { - const char* mode_fopen = NULL; - DWORD dwDesiredAccess, dwCreationDisposition, dwShareMode, dwFlagsAndAttributes; - HANDLE hFile = NULL; - - win32_translate_open_mode(mode, &dwDesiredAccess, &dwCreationDisposition, &dwShareMode, &dwFlagsAndAttributes); - - #ifdef IOWIN32_USING_WINRT_API - #ifdef UNICODE - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) { - WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; - MultiByteToWideChar(CP_ACP, 0, (const char*)filename, -1, filenameW, FILENAME_MAX + 0x200); - hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - } - #endif - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); - #endif - - return win32_build_iowin(hFile); -} + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif -voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) -{ - const char* mode_fopen = NULL; - DWORD dwDesiredAccess, dwCreationDisposition, dwShareMode, dwFlagsAndAttributes; - HANDLE hFile = NULL; - - win32_translate_open_mode(mode, &dwDesiredAccess, &dwCreationDisposition, &dwShareMode, &dwFlagsAndAttributes); - - #ifdef IOWIN32_USING_WINRT_API - if ((filename != NULL) && (dwDesiredAccess != 0)) { - WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; - MultiByteToWideChar(CP_ACP, 0, (const char*)filename, -1, filenameW, FILENAME_MAX + 0x200); - hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - } - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); - #endif - - return win32_build_iowin(hFile); + return win32_build_iowin(hFile); } -voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) + +voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) { - const char* mode_fopen = NULL; - DWORD dwDesiredAccess, dwCreationDisposition, dwShareMode, dwFlagsAndAttributes; - HANDLE hFile = NULL; + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} - win32_translate_open_mode(mode, &dwDesiredAccess, &dwCreationDisposition, &dwShareMode, &dwFlagsAndAttributes); - #ifdef IOWIN32_USING_WINRT_API - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); - #endif +voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif - return win32_build_iowin(hFile); + return win32_build_iowin(hFile); } -voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const wchar_t* filename, int mode) + +voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) { - const char* mode_fopen = NULL; - DWORD dwDesiredAccess, dwCreationDisposition, dwShareMode, dwFlagsAndAttributes; - HANDLE hFile = NULL; - - win32_translate_open_mode(mode, &dwDesiredAccess, &dwCreationDisposition, &dwShareMode, &dwFlagsAndAttributes); - - #ifdef IOWIN32_USING_WINRT_API - #ifdef UNICODE - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) { - WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; - MultiByteToWideChar(CP_ACP, 0, (const char*)filename, -1, filenameW, FILENAME_MAX + 0x200); - hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); - } - #endif - #else - if ((filename != NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); - #endif - - return win32_build_iowin(hFile); + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); } -uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf, uLong size) + +uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) { - uLong ret = 0; - HANDLE hFile = NULL; - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - - if (hFile != NULL) { - if (!ReadFile(hFile, buf, size, &ret, NULL)) { - DWORD dwErr = GetLastError(); - if (dwErr == ERROR_HANDLE_EOF) - dwErr = 0; - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - } - } - - return ret; + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile != NULL) + { + if (!ReadFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + } + + return ret; } -uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) + +uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) { - uLong ret = 0; - HANDLE hFile = NULL; - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - - if (hFile != NULL) { - if (!WriteFile(hFile, buf, size, &ret, NULL)) { - DWORD dwErr = GetLastError(); - if (dwErr == ERROR_HANDLE_EOF) - dwErr = 0; - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - } - } - - return ret; + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile != NULL) + { + if (!WriteFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + } + + return ret; } -static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) +static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) { - #ifdef IOWIN32_USING_WINRT_API - return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); - #else - LONG lHigh = pos.HighPart; - DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT); - BOOL fOk = TRUE; - if (dwNewPos == 0xFFFFFFFF) - if (GetLastError() != NO_ERROR) - fOk = FALSE; - if ((newPos != NULL) && (fOk)) { - newPos->LowPart = dwNewPos; - newPos->HighPart = lHigh; - } - return fOk; - #endif +#ifdef IOWIN32_USING_WINRT_API + return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); +#else + LONG lHigh = pos.HighPart; + DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); + BOOL fOk = TRUE; + if (dwNewPos == 0xFFFFFFFF) + if (GetLastError() != NO_ERROR) + fOk = FALSE; + if ((newPos != NULL) && (fOk)) + { + newPos->LowPart = dwNewPos; + newPos->HighPart = lHigh; + } + return fOk; +#endif } -long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) +long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) { - long ret = -1; - HANDLE hFile = NULL; - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - if (hFile != NULL) { - LARGE_INTEGER pos; - pos.QuadPart = 0; - - if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - ret = -1; - } - else - ret = (long)pos.LowPart; - } - return ret; + long ret=-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=(long)pos.LowPart; + } + return ret; } -ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) +ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) { - ZPOS64_T ret = (ZPOS64_T)-1; - HANDLE hFile = NULL; - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - - if (hFile) { - LARGE_INTEGER pos; - pos.QuadPart = 0; - - if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - ret = (ZPOS64_T)-1; - } - else - ret = pos.QuadPart; - } - return ret; + ZPOS64_T ret= (ZPOS64_T)-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = (ZPOS64_T)-1; + } + else + ret=pos.QuadPart; + } + return ret; } -long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) + +long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) { - DWORD dwMoveMethod = 0xFFFFFFFF; - HANDLE hFile = NULL; - - long ret = -1; - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - switch (origin) { - case ZLIB_FILEFUNC_SEEK_CUR: - dwMoveMethod = FILE_CURRENT; - break; - case ZLIB_FILEFUNC_SEEK_END: - dwMoveMethod = FILE_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - dwMoveMethod = FILE_BEGIN; - break; - default: return -1; - } - - if (hFile != NULL) { - LARGE_INTEGER pos; - pos.QuadPart = offset; - if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - ret = -1; - } - else - ret = 0; - } - return ret; + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + + long ret=-1; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile != NULL) + { + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; } -long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) +long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) { - DWORD dwMoveMethod = 0xFFFFFFFF; - HANDLE hFile = NULL; - long ret = -1; - - if (stream != NULL) - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - - switch (origin) { - case ZLIB_FILEFUNC_SEEK_CUR: - dwMoveMethod = FILE_CURRENT; - break; - case ZLIB_FILEFUNC_SEEK_END: - dwMoveMethod = FILE_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - dwMoveMethod = FILE_BEGIN; - break; - default: return -1; - } - - if (hFile) { - LARGE_INTEGER pos; - pos.QuadPart = offset; - if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT)) { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream)->error = (int)dwErr; - ret = -1; - } - else - ret = 0; - } - return ret; + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + long ret=-1; + + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; } -int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) +int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) { - int ret = -1; - - if (stream != NULL) { - HANDLE hFile; - hFile = ((WIN32FILE_IOWIN*)stream)->hf; - if (hFile != NULL) { - CloseHandle(hFile); - ret = 0; - } - free(stream); - } - return ret; + int ret=-1; + + if (stream!=NULL) + { + HANDLE hFile; + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + CloseHandle(hFile); + ret=0; + } + free(stream); + } + return ret; } -int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) +int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) { - int ret = -1; - if (stream != NULL) { - ret = ((WIN32FILE_IOWIN*)stream)->error; - } - return ret; + int ret=-1; + if (stream!=NULL) + { + ret = ((WIN32FILE_IOWIN*)stream) -> error; + } + return ret; } -void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) +void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) { - pzlib_filefunc_def->zopen_file = win32_open_file_func; - pzlib_filefunc_def->zread_file = win32_read_file_func; - pzlib_filefunc_def->zwrite_file = win32_write_file_func; - pzlib_filefunc_def->ztell_file = win32_tell_file_func; - pzlib_filefunc_def->zseek_file = win32_seek_file_func; - pzlib_filefunc_def->zclose_file = win32_close_file_func; - pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque = NULL; + pzlib_filefunc_def->zopen_file = win32_open_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell_file = win32_tell_file_func; + pzlib_filefunc_def->zseek_file = win32_seek_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; } void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) { - pzlib_filefunc_def->zopen64_file = win32_open64_file_func; - pzlib_filefunc_def->zread_file = win32_read_file_func; - pzlib_filefunc_def->zwrite_file = win32_write_file_func; - pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; - pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; - pzlib_filefunc_def->zclose_file = win32_close_file_func; - pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque = NULL; + pzlib_filefunc_def->zopen64_file = win32_open64_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; } + void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) { - pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; - pzlib_filefunc_def->zread_file = win32_read_file_func; - pzlib_filefunc_def->zwrite_file = win32_write_file_func; - pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; - pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; - pzlib_filefunc_def->zclose_file = win32_close_file_func; - pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque = NULL; + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; } + void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) { - pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; - pzlib_filefunc_def->zread_file = win32_read_file_func; - pzlib_filefunc_def->zwrite_file = win32_write_file_func; - pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; - pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; - pzlib_filefunc_def->zclose_file = win32_close_file_func; - pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque = NULL; + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; } |