2 * Copyright (C) 2009 Tony Wasserka
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/debug.h"
21 #include "d3dx9_36_private.h"
23 /************************************************************
26 * Loads a file into buffer and stores the number of read bytes in length.
29 * filename [I] name of the file to be loaded
30 * buffer [O] pointer to destination buffer
31 * length [O] size of the obtained data
36 * see error codes for CreateFileW, GetFileSize, CreateFileMapping and MapViewOfFile
39 * The caller must UnmapViewOfFile when it doesn't need the data anymore
42 HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length)
44 HANDLE hfile, hmapping = NULL;
46 hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
47 if(hfile == INVALID_HANDLE_VALUE) goto error;
49 *length = GetFileSize(hfile, NULL);
50 if(*length == INVALID_FILE_SIZE) goto error;
52 hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
53 if(!hmapping) goto error;
55 *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
56 if(*buffer == NULL) goto error;
58 CloseHandle(hmapping);
64 CloseHandle(hmapping);
66 return HRESULT_FROM_WIN32(GetLastError());
69 /************************************************************
70 * load_resource_into_memory
72 * Loads a resource into buffer and stores the number of
73 * read bytes in length.
76 * module [I] handle to the module
77 * resinfo [I] handle to the resource's information block
78 * buffer [O] pointer to destination buffer
79 * length [O] size of the obtained data
84 * See error codes for SizeofResource, LoadResource and LockResource
87 * The memory doesn't need to be freed by the caller manually
90 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length)
94 *length = SizeofResource(module, resinfo);
95 if(*length == 0) return HRESULT_FROM_WIN32(GetLastError());
97 resource = LoadResource(module, resinfo);
98 if( !resource ) return HRESULT_FROM_WIN32(GetLastError());
100 *buffer = LockResource(resource);
101 if(*buffer == NULL) return HRESULT_FROM_WIN32(GetLastError());