This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]

From: Florian Weimer <fweimer at redhat dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Carlos O'Donell <carlos at redhat dot com>, GNU C Library <libc-alpha at sourceware dot org>
Date: Mon, 18 Sep 2017 16:02:51 +0200
Subject: Re: [PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
Authentication-results: sourceware.org; auth=none
Authentication-results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com
Authentication-results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=fweimer at redhat dot com
Dmarc-filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B35AA883CF
References: <CAMe9rOqvpS_HH6_k=rPuE3qx6oifjL8_WKzTVFhK9eZs84NvFA@mail.gmail.com> <d5004683-9067-62e6-55e7-bde1b974829d@redhat.com> <CAMe9rOqGmZ9CtKXvruqM9WFjDFv=nQjU=bUZ-U54_kHb4-KGiw@mail.gmail.com>

On 09/04/2017 10:29 PM, H.J. Lu wrote:

On Mon, Sep 4, 2017 at 1:33 AM, Florian Weimer <fweimer@redhat.com> wrote:

On 09/03/2017 05:48 PM, H.J. Lu wrote:

+  unsigned char *magic_p = NULL;


I think the current practice is to use <libc-diag.h> to suppress the
warning.


Is there a usage example for this warning?


Search for DIAG_PUSH_NEEDS_COMMENT in the sources.

Thanks,
Florian

References:
- [PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
  - From: H.J. Lu
- Re: [PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
  - From: Florian Weimer
- Re: [PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
  - From: H.J. Lu

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]