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Re: attribute warn_unused_result
From: |
Eli Zaretskii |
Subject: |
Re: attribute warn_unused_result |
Date: |
Thu, 03 Feb 2011 23:14:27 +0200 |
> From: Stefan Monnier <address@hidden>
> Cc: address@hidden
> Date: Thu, 03 Feb 2011 13:53:25 -0500
>
> > Do we care about these warnings? There's significant controversy
> > about them (e.g., the warnings about `write' are when we write an
> > error message to stderr, in which case there's nothing useful one can
> > do with the return value), so I'm not sure we should care.
>
> I think the right thing to do is to adjust the code so as to make it
> clear to the compiler that we thought about the issue and decided that
> we really do want to ignore the return value.
You can't do that, not with this warning.
> So, for each such case, we should think about it and if we indeed want
> to ignore the return value, we should put an explicit cast to that
> effect (which should hopefully be understood by gcc to silence the
> warning).
It isn't.
- Re: attribute warn_unused_result, (continued)
- Re: attribute warn_unused_result, Lennart Borgman, 2011/02/03
- Re: attribute warn_unused_result, Stefan Monnier, 2011/02/04
- Re: attribute warn_unused_result, Lennart Borgman, 2011/02/04
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/05
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/05
- Re: attribute warn_unused_result, Andy Moreton, 2011/02/03
- Re: attribute warn_unused_result, Paul Eggert, 2011/02/03
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/03
Re: attribute warn_unused_result,
Eli Zaretskii <=
- Re: attribute warn_unused_result, Paul Eggert, 2011/02/03
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/04
- Re: attribute warn_unused_result, Tom Tromey, 2011/02/04
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/04
- Re: attribute warn_unused_result, Tom Tromey, 2011/02/04
- Re: attribute warn_unused_result, Paul Eggert, 2011/02/04
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/05
- Message not available
- Re: attribute warn_unused_result, Paul Eggert, 2011/02/05
- Re: attribute warn_unused_result, Eli Zaretskii, 2011/02/05
- Re: attribute warn_unused_result, Paul Eggert, 2011/02/06