Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 20 Oct 2008 18:10:23 +0200
From:      =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To:        Xin LI <delphij@FreeBSD.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r183989 - head/lib/libutil
Message-ID:  <86wsg3gscw.fsf@ds4.des.no>
In-Reply-To: <200810172121.m9HLLETA098194@svn.freebsd.org> (Xin LI's message of "Fri, 17 Oct 2008 21:21:14 %2B0000 (UTC)")
References:  <200810172121.m9HLLETA098194@svn.freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Xin LI <delphij@FreeBSD.org> writes:
> Modified: head/lib/libutil/login_times.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
> --- head/lib/libutil/login_times.c	Fri Oct 17 21:14:50 2008	(r183988)
> +++ head/lib/libutil/login_times.c	Fri Oct 17 21:21:14 2008	(r183989)
> @@ -72,8 +72,7 @@ parse_lt(const char * str)
>  	char		buf[64];
>=20=20
>  	/* Make local copy and force lowercase to simplify parsing */
> -	p =3D strncpy(buf, str, sizeof buf);
> -	buf[sizeof buf - 1] =3D '\0';
> +	p =3D strlcpy(buf, str, sizeof buf);
>  	for (i =3D 0; buf[i]; i++)
>  	    buf[i] =3D (char)tolower(buf[i]);

This makes absolutely no sense: strncpy() and strlcpy() have different
return types.  The existing code was safe and worked just fine; why
break it?

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?86wsg3gscw.fsf>