advapi32: Implement GetSecurityInfo.

[Dmitry Timoshkov]

"Dan Hipschman" <dsh at linux.ucla.edu> wrote:

> +#include <assert.h>
...
> @@ -2718,8 +2719,38 @@ DWORD WINAPI GetSecurityInfo(
>     PSECURITY_DESCRIPTOR *ppSecurityDescriptor
> )
> {
> -  FIXME("stub!\n");
> -  return ERROR_BAD_PROVIDER;
> +    SECURITY_DESCRIPTOR *sd;
> +    NTSTATUS status;
> +    ULONG n1, n2;
> +
> +    status = NtQuerySecurityObject(hObject, SecurityInfo, NULL, 0, &n1);
> +    assert(status != STATUS_SUCCESS);
> +    if (status != STATUS_BUFFER_TOO_SMALL)
> +        return RtlNtStatusToDosError(status);

assert() (or rather ok(0)) would be appropriate in the test case, but not
in the implementation IMO.

-- 
Dmitry.