[PATCH] strftime: use tzname if TM_ZONE is NULL

[Corinna Vinschen]

On Mar 30 14:09, Yaakov Selkowitz wrote:
> On Wed, 2015-03-25 at 16:46 -0500, Yaakov Selkowitz wrote:
> > * libc/time/strftime.c (strftime) <%Z>: Initialize tznam to NULL.
> > Use _tzname as fallback if TM_ZONE is NULL.
> > ---
> > The crash was due to a strlen(NULL) a few lines later, which should NOT
> > happen.  glibc takes this a step further and calls tzset() if not yet
> > called so that the returned string matches the local timezone (instead
> > of "GMT", or on Cygwin, "   ").  The question is how to (portably)
> > determine if tzset() has been called already or not (e.g. a global
> > variable?).
> 
> Craig's patch would take care of this, so I'd like to repropose this
> patch as is.

Ok.

Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat
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