bug-gnulib
[Top][All Lists]
Advanced
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 2/2] strerror: work around FreeBSD bug

From: Eric Blake
Subject: Re: [PATCH 2/2] strerror: work around FreeBSD bug
Date: Wed, 08 Jun 2011 07:14:53 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.10 
On 06/07/2011 09:50 PM, Eric Blake wrote:
> Oh hideous.
> 
> strerror(0) => Unknown error: 0
> strerror_r(0,buf,len) => Undefined error: 0
> strerror(-1) => Unknown error: -1
> strerror_r(-1,buf,len) => Unknown error: -1
> 
> I don't think POSIX requires the same strings for the two
> implementations,

Not directly, but C99 (and therefore POSIX) requires perror and strerror
to use the same strings, and if perror is implemented in terms of
strerror_r, then strerror and strerror_r better use the same strings.
At any rate, my patch fixes things.

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

Attachment: signature.asc
Description: OpenPGP digital signature

reply via email to
[Prev in Thread] Current Thread [Next in Thread]