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Date: Fri, 15 Jan 2010 19:20:02 GMT
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To: freebsd-bugs@FreeBSD.org
From: Jaakko Heinonen <jh@FreeBSD.org>
Cc: 
Subject: Re: kern/141682: [libc] [patch] Faster version of strncpy(3)
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The following reply was made to PR kern/141682; it has been noted by GNATS.

From: Jaakko Heinonen <jh@FreeBSD.org>
To: Maxim Zakharov <maxime@maxime.net.ru>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/141682: [libc] [patch] Faster version of strncpy(3)
Date: Fri, 15 Jan 2010 21:12:29 +0200

 Hi,
 
 On 2009-12-17, Maxim Zakharov wrote:
 >  void * dps_strncpy(char *dst0, char *src0, size_t length) {
 >    if (length) {
 >      register size_t n = (length + 7) / 8;
 
 This won't work with length values larger than SIZE_MAX - 7 due to
 integer overflow.
 
 -- 
 Jaakko