From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15050 invoked by alias); 24 Oct 2013 04:05:23 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 14957 invoked by uid 48); 24 Oct 2013 04:05:15 -0000 From: "brooks at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/46936] turn __attribute__ ((nonnull (x))) into assert in debug mode Date: Thu, 24 Oct 2013 04:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: brooks at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-10/txt/msg01734.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46936 Brooks Moses changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |brooks at gcc dot gnu.org --- Comment #2 from Brooks Moses --- As per http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html, the annotation on the example function there "causes the compiler to check that, in calls to my_memcpy, arguments dest and src are non-null." Is this a documentation bug, or does the functionality that you're asking for already exist? (My guess is that this is a documentation bug. If so, a patch to fix it may call some attention to this feature request!)