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Date: Fri, 4 Oct 2013 17:32:12 -0400
From: Rich Felker <>
Subject: Re: Static analyzers results on musl

On Sat, Oct 05, 2013 at 01:10:24AM +0400, Alexander Monakov wrote:
> [apologies if you receive this email twice]
> On Fri, 4 Oct 2013, Rich Felker wrote:
> > > There are a few warnings that return value of .*nl_langinfo.* is not checked
> > > for NULL before use; presumably that is by design.
> > 
> > nl_langinfo is not permitted to return NULL, so this warning makes no
> > sense.
> I meant when internal functions like __nl_langinfo_l are called -- this one
> can return NULL.  Sorry for causing confusion with ".*".

But there's no reason to expect that it could return NULL unless this
is documented as a possibility. Does the tool you're using assume that
any function which returns a pointer might return NULL?


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