From: Jim Meyering <jim@meyering.net>
To: emacs-devel@gnu.org
Subject: Re: [PATCH] Use "do...while (0)", not "if (1)..else" in macro definitions.
Date: Mon, 04 Feb 2008 21:42:54 +0100 [thread overview]
Message-ID: <87myqgbghd.fsf@rho.meyering.net> (raw)
In-Reply-To: <877ihu84ub.fsf@rho.meyering.net> (Jim Meyering's message of "Mon, 28 Jan 2008 14:19:56 +0100")
> 2008-01-28 Jim Meyering <meyering@redhat.com>
>
> Use "do...while (0)", not "if (1)..else" in macro definitions.
> The latter provokes a warning from gcc about the empty else, when
> followed by ";". Also, without that trailing semicolon, it would
> silently swallow up any following statement.
> * syntax.h (SETUP_SYNTAX_TABLE):
> (SETUP_SYNTAX_TABLE_FOR_OBJECT): Likewise.
> * buffer.h (DECODE_POSITION): Likewise.
> * charset.h (FETCH_STRING_CHAR_ADVANCE): Likewise.
> (FETCH_STRING_CHAR_ADVANCE_NO_CHECK): Likewise.
> (FETCH_CHAR_ADVANCE): Likewise.
Ping?
http://thread.gmane.org/gmane.emacs.devel/87706
next prev parent reply other threads:[~2008-02-04 20:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-28 13:19 [PATCH] Use "do...while (0)", not "if (1)..else" in macro definitions Jim Meyering
2008-02-04 20:42 ` Jim Meyering [this message]
2008-02-05 7:09 ` Jan Djärv
2008-02-07 12:56 ` Jan Djärv
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