Date: Thu, 21 Jun 2012 17:42:11 +0200 From: David Demelier <demelier.david@gmail.com> To: Sergey Kandaurov <pluknet@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: mbstowcs(3) may not return -1 Message-ID: <4FE340D3.6040004@gmail.com> In-Reply-To: <CAE-mSO%2B3MArm6CJEtzuuTA=-Q_zcUGawnWaaPNZzi7PpQT1VnQ@mail.gmail.com> References: <4FE315B6.9020102@gmail.com> <CAE-mSO%2B3MArm6CJEtzuuTA=-Q_zcUGawnWaaPNZzi7PpQT1VnQ@mail.gmail.com>
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On 21/06/2012 14:55, Sergey Kandaurov wrote: > On 21 June 2012 16:38, David Demelier<demelier.david@gmail.com> wrote: >> Hello, >> >> While reading the manpage of mbstowcs I noticed an error in the RETURN >> VALUES : >> >> The mbstowcs() function returns the number of wide characters converted, >> not counting any terminating null wide character, or -1 if an invalid >> multibyte character was encountered. >> >> Since size_t is unsigned, it can't returns -1. > > It returns (size_t)(-1). > I don't know how is it correct, but this conforms to C spec. > Yes that is very strange, iconv(3) do it too. -- David Demelier
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