DMARC-Filter: OpenDMARC Filter v1.4.2 delorie.com 51HBqjW72906565
Date: Mon, 17 Feb 2025 12:51:38 +0100
To: Bruno Haible <bruno@clisp.org>
Subject: Re: bug in strcasecmp and strncasecmp
Message-ID: <Z7MiyoCV7hXKfteV@calimero.vinschen.de>
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From: Corinna Vinschen via Cygwin <cygwin@cygwin.com>
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Cc: Corinna Vinschen <corinna-cygwin@cygwin.com>, cygwin@cygwin.com
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On Feb 17 11:49, Bruno Haible via Cygwin wrote:
> Corinna Vinschen wrote:
> > Adding a cast fixes that and I just pushed a matching patch.
> 
> Thanks.
> 
> > I'm just not sure if that's sufficient in the light of POSIX.1-2024.
> > The above expression seems to indicate that strcasecmp and friends are
> > now expected to work on multibyte codesets like UTF-8.
> 
> They can't work on multibyte strings. This is evident from the fact that
> strncasecmp gets one integer as argument, not two integers.

Good point.

With standard functions, one really should convert MB string to wide
char and call wcscasecmp, etc.


Thanks,
Corinna

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