Re: ntdll / kernel32 #39-2

[Dmitry Timoshkov]

"Eric Pouech"  wrote:
> +DWORD WINAPI GetFullPathNameW( LPCWSTR name, DWORD len, LPWSTR buffer,
> -
>                           LPWSTR *lastpart )
>
> +{
> - LPWSTR      dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(buffer));
> - DWORD       ret;
> -
> - if (!dst) return 0;
> - ret = RtlGetFullPathName_U(name, len * sizeof(WCHAR), dst, lastpart) / sizeof(WCHAR);

I don't quite understand the above bit of code:

1. HeapAlloc(GetProcessHeap(), 0, len * sizeof(buffer)) when buffer is
a pointer
2. Why you don't pass buffer directly to RtlGetFullPathName_U without 
allocating an intermediate storage.