HRESULT map_view_of_file	(	LPCWSTR	filename,
		LPVOID *	buffer,
		DWORD *	length
	)

Definition at line 73 of file util.c.

Referenced by D3DXGetImageInfoFromFileW(), and D3DXLoadSurfaceFromFileW().

{
    HANDLE hfile, hmapping = NULL;

    hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
    if(hfile == INVALID_HANDLE_VALUE) goto error;

    *length = GetFileSize(hfile, NULL);
    if(*length == INVALID_FILE_SIZE) goto error;

    hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
    if(!hmapping) goto error;

    *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
    if(*buffer == NULL) goto error;

    CloseHandle(hmapping);
    CloseHandle(hfile);

    return S_OK;

error:
    CloseHandle(hmapping);
    CloseHandle(hfile);
    return HRESULT_FROM_WIN32(GetLastError());
}

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