[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
warn_unused_result attribute (Re: mingw32 compile fixes (Re: [GITGRUB] N
From: |
Robert Millan |
Subject: |
warn_unused_result attribute (Re: mingw32 compile fixes (Re: [GITGRUB] New menu interface (implementation))) |
Date: |
Mon, 9 Nov 2009 21:04:50 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Tue, Nov 10, 2009 at 12:46:06AM +0800, Bean wrote:
> Some system such as ubuntu karmic define write using
> warn_unused_result attribute, which cause a warning when return value
> of write is not used. As grub compile with -Werror, this turn into
> error, to work around it, use something like this:
>
> ssize_t tmp = write(bcat, buf, 2048);
> (void) tmp;
Isn't "(void) write (bcat, buf, 2048)" enough?
--
Robert Millan
The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
how) you may access your data; but nobody's threatening your freedom: we
still allow you to remove your data and not access it at all."