netdev - Re: [PATCH iproute2] utils: add s32 parser

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Message-ID: <20111125165008.05f4dbf3@nehalam.linuxnetplumber.net>
Date:	Fri, 25 Nov 2011 16:50:08 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Hagen Paul Pfeifer <hagen@...u.net>
Cc:	netdev@...r.kernel.org, David.Laight@...LAB.COM
Subject: Re: [PATCH iproute2] utils: add s32 parser

On Sat, 26 Nov 2011 00:00:26 +0100
Hagen Paul Pfeifer <hagen@...u.net> wrote:

> Not sure if we should save errno and restore afterwards:
> 
> errno_save = errno;
> errno = 0;
> [...]
> errno = errno_save;

Not worth it. errno is only meaningful after a failed library or syscall.

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