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Date:      Wed, 20 Jul 2016 13:23:46 -0700 (PDT)
From:      Don Lewis <truckman@FreeBSD.org>
To:        darkuranium@gmail.com
Cc:        freebsd-current@freebsd.org
Subject:   Re: UTF-8 by default?
Message-ID:  <201607202023.u6KKNksl055230@gw.catspoiler.org>
In-Reply-To: <CANd9X8fFB8OAmc1oasJNb8HxANmh6qKQqYbmhHwiBv1=K3w%2Bmw@mail.gmail.com>

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On 20 Jul, Tim Čas wrote:
> On 20 July 2016 at 20:33, Don Lewis <truckman@freebsd.org> wrote:
>> wc(1) has problems with its multibyte support pointed out by Coverity
>> as I recall.
> 
> Not sure how critical that issue is (e.g. byte counts [`-c`], line
> counts [`-l`], and such should still work as intended; whether word
> counts work or not depends on whether we should count Unicode
> whitespace as, well, whitespace). I do wonder if everyone agrees that
> an effort should be made towards UTF-8 default, though?

It passes a fixed-length non-NUL terminated buffer (returned by read(2))
to mbrtowc().  In addition to the lack of termination, the buffer could
also contain a partial character at its beginning or end if the contents
are UTF-8.

The Coverity ID is 978825.




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