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Re: [patch] don't reset errno if no error occured

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: Paolo Carlini <paolo dot carlini at oracle dot com>
Cc: Ulrich Drepper <drepper at redhat dot com>, libstdc++ at gcc dot gnu dot org
Date: Mon, 12 Jul 2010 19:14:17 +0100
Subject: Re: [patch] don't reset errno if no error occured
References: <4C38813E.1050308@ubuntu.com> <4C388507.20200@redhat.com> <4C3B464C.1080403@oracle.com>

On 12 July 2010 17:43, Paolo Carlini wrote:
>
> In that case, we could just remove 'errno = 0' for the GNU/Linux targets
> we (Matthias too) care about via a __GLIBC__ macro check, and everyone
> we'll be happy.

It would be even better to make that change for all POSIX systems, not
just glibc.

That said, the bug report is bogus, the doc saying "errno is never set
to zero by any system call or library function" is not referring to
C++ library functions.

Follow-Ups:
- Re: [patch] don't reset errno if no error occured
  - From: Paolo Carlini

References:
- [patch] don't reset errno if no error occured
  - From: Matthias Klose
- Re: [patch] don't reset errno if no error occured
  - From: Ulrich Drepper
- Re: [patch] don't reset errno if no error occured
  - From: Paolo Carlini

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