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Re: Adding %m conversion to the printf(3) family
On Fri, Oct 23, 2015 at 10:33:52PM +0100, Roy Marples wrote:
> 2) The alternative of using %s and strerror(3) is problematic in portable
> applications for these reasons
> * strerror(3) isn't guaranteed to be threadsafe (it is on NetBSD)
Is there any platform where strerror is *not* threadsafe given:
(1) No current locale changes.
(2) system generated (aka non-arbitrary) errno value.
All implementations I know fallback to the local buffer only for the
second case to include the formated errno value.
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