[2/3] d3dx9: Add utility functions for loading files and resources into memory

[Stefan Dösinger]

Am Montag, 18. Mai 2009 17:44:17 schrieb Tony Wasserka:

> +HRESULT LoadFileIntoMemoryA(LPCSTR filename, LPVOID *buffer, DWORD *length)
Do you need this function? Woudn't it be better to wrap A->W at the API level 
and have all internal functions W only?

> +    handle = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, 
OPEN_EXISTING, 0, 0);
> +    if(handle == INVALID_HANDLE_VALUE) return D3DERR_INVALIDCALL;
> +
> +    *length = GetFileSize(handle, NULL);
>+    if(*length == INVALID_FILE_SIZE) return D3DERR_INVALIDCALL;
> +
> +    *buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *length);
Is there a particular reason not to use mmap, or whatever the Windows 
equivalent is?