On 08/01/2014 09:41 AM, Emil Velikov wrote:
> We should assert when either the function or the flag pointer
> is null or we'll end up with a null reference a few lines later.
>
> Currently unused by mesa thus it has gone unnoticed.
>
> Signed-off-by: Emil Velikov <emil.l.veli...@gmail.com>
> ---
> include/c11/threads_win32.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/c11/threads_win32.h b/include/c11/threads_win32.h
> index 35880ba..a95cb78 100644
> --- a/include/c11/threads_win32.h
> +++ b/include/c11/threads_win32.h
> @@ -296,7 +296,7 @@ static void impl_tss_dtor_invoke()
> static inline void
> call_once(once_flag *flag, void (*func)(void))
> {
> - assert(!flag && !func);
> + assert(flag && func);
This is why I generally prefer to compare pointers to NULL instead of
just using them as booleans.
assert(flag == NULL && func == NULL);
is much more obviously wrong than the current code. Either way, this
patch is
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
> #ifdef EMULATED_THREADS_USE_NATIVE_CALL_ONCE
> {
> struct impl_call_once_param param;
>
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