ntdll: While requesting TokenGroups calculate required user buffer size in server (try2)

[Alexandre Julliard]

Nikolay Sivov <nsivov at codeweavers.com> writes:

> +        SERVER_START_REQ( get_token_groups )
>          {
> -            need_more_memory = FALSE;
> +            TOKEN_GROUPS *groups = tokeninfo;
> +            void *buffer;
>  
> -            SERVER_START_REQ( get_token_groups )
> -            {
> -                TOKEN_GROUPS *groups = tokeninfo;
> +            /* reply buffer is always shorter than output one */
> +            buffer = tokeninfolength ? RtlAllocateHeap(GetProcessHeap(), 0, tokeninfolength) : NULL;

Please avoid complex operation like heap allocations inside a server
request block.

-- 
Alexandre Julliard
julliard at winehq.org