From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: src/string/wcsstr.c doesn't work
Date: Fri, 18 Apr 2014 17:49:32 -0400 [thread overview]
Message-ID: <20140418214932.GO26358@brightrain.aerifal.cx> (raw)
In-Reply-To: <CACeDTm2UGpq+bjUAFfAVsrxDMw-Ej7BoS3jBikF=-3T6Rt77Eg@mail.gmail.com>
On Fri, Apr 18, 2014 at 06:41:46PM +0200, Yves Bastide wrote:
> Hi,
>
> twoway_wcsstr doesn't (always) work with periodic needles. With the
> attached example
>
> haystack = L"playing play play play always";
> needle = L"play play play";
>
> mem0 = 9, ms = 3; thus, after a left-half mismatch on "playing", mem is 9 and
> for (k = ms + 1; k>mem && n[k - 1] == h[k - 1]; k--);
> terminates immediately.
Thanks! Immediate termination of this loop is correct, but the
subsequent conditional should have been treating it as success rather
than failure. Fix committed.
Rich
prev parent reply other threads:[~2014-04-18 21:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-18 16:41 Yves Bastide
2014-04-18 21:49 ` Rich Felker [this message]
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