From: Alex Riesen <raa.lkml@gmail.com>
Date: Wed, 27 Jun 2007 12:48:52 GMT
Subject: Re: [PATCH] detect dup failure
Message-ID: <81b0412b0706270548p6f694fd6x5f47cbefa16c08ac@mail.gmail.com>
In-Reply-To: <87wsxpobf0.fsf@rho.meyering.net>

On 6/27/07, Jim Meyering <jim@meyering.net> wrote:
> Without this, if you ever run out of file descriptors, dup will
> fail (silently), fdopen will return NULL, and fprintf will
> try to dereference NULL (i.e., usually segfault).

But if you check the result of fdopen for NULL instead
you'll cover the dup failure _and_ out-of-memory in one
go. You'll loose the errno (probably), but you don't seem
to use it here anyway.