GNU bug report logs - #15970
[Bug-tar] Crash in gettext() after fork() on Mac OS X

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From: Joerg Schilling <Joerg.Schilling <at> fokus.fraunhofer.de>
To: <P <at> draigBrady.com>, <eblake <at> redhat.com>
Cc: eggert <at> cs.ucla.edu, 15970 <at> debbugs.gnu.org, bug-tar <at> gnu.org
Subject: bug#15970: ignore_value vs (void) [was: [Bug-tar] bug#15970: bug#15970: Crash in gettext() after fork() on Mac OS X]
Date: Wed, 27 Nov 2013 17:53:42 +0100

Eric Blake <eblake <at> redhat.com> wrote:

> On 11/27/2013 09:30 AM, Joerg Schilling wrote:
> >>> Are you using "ignore_value" because of the gcc bug that ignores the official
> >>> method to tell that the return code is ignored intentionally:
> >>>
> >>> 	(void) write(fd, buf, len);
>
> The C standard does not document that '(void) write(...)' is required to
> avoid diagnostics, so I don't see the gcc behavior as a bug (yes, it's
> annoying behavior, but that doesn't make it incorrect behavior).

Well, there is a more than 30 year history of lint that causes 
'(void) write(...)' to be accepted without a warning.

Jörg

-- 
 EMail:joerg <at> schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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