On Sat, Mar 18, 2017 at 09:48:41PM +0800, He X wrote: > oops, i missed UNLOCK(lock). > > [...] > >> > >> I think the results of this patch can be achieved much more simply. > >> Just compare lm pointers (rather than string contents) for equality at > >> each iteration in the current loop, counting how many were equal to > >> libc.global_locale.cat[0]. If that number equals LC_ALL, return > >> libc.global_locale.cat[0]->name (or "C" if the lm is null) rather than > >> buf. > >> > >> Rich > >> > > > > By simpler I meant something like the attached. Rich