Date: Thu, 30 Apr 2009 00:08:46 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: channa.kad@gmail.com Cc: freebsd-arm@freebsd.org Subject: Re: strncmp issue Message-ID: <20090430.000846.1484329326.imp@bsdimp.com> In-Reply-To: <515c64960904292221v1e927ef2vb3ed2940f76d32cf@mail.gmail.com> References: <515c64960904282316k5f3e80cdu1c04a8dc3ab25883@mail.gmail.com> <20090429221236.GA28784@ci0.org> <515c64960904292221v1e927ef2vb3ed2940f76d32cf@mail.gmail.com>
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In message: <515c64960904292221v1e927ef2vb3ed2940f76d32cf@mail.gmail.co=
m>
Channa <channa.kad@gmail.com> writes:
: 2009/4/30 Olivier Houchard <mlfbsd@ci0.org>:
: > On Wed, Apr 29, 2009 at 11:46:23AM +0530, Channa wrote:
: >> 2009/4/29 Olivier Houchard <mlfbsd@ci0.org>:
: >> > On Tue, Apr 28, 2009 at 07:32:14PM +0530, Channa wrote:
: >> >> Hi,
: >> >>
: >> >> Thank you very much for your response.
: >> >> I am looking forward for your fix.
: >> >>
: >> >> Thanks & Regards,
: >> >> Channa
: >> >>
: >> >
: >> > Hi,
: >> >
: >> > I just committed a fix to -CURRENT, as rev 191633.
: >> > It basically just checks if the length is 0, instead of len - 1 =
< 0.
: >> >
: >> > Thanks again,
: >> >
: >> > Olivier
: >> >
: >> >
: >> >
: >>
: >> Hi
: >> Thank you very much. I used your fix and tested again.
: >> When i tested as below :
: >>
: >> TEST 1 :
: >> =A0 ret =3D strncmp("a", "L", -1); =A0<----------------- ret is '0=
'
: >>
: >
: > I'm a bit confused here, when I test this I get 21, which is the in=
tended
: > result. Are you sure you weren't still using the old strncmp() ?
: =
: Hi,
: Yes i am using the latest version of strncmp.S in the CURRENT branch.=
: Sorry there was a typo i tested strncmp as
: =
: ret =3D strncmp("a","b",-1) <------ ret value is still '0'
: =
: I am still getting the return value as zero, it should be -1.
Yes. We should get the following results:
strncmp("a", "b", 0); 0
strncmp("a", "b", *); < 0
where * is any other number :)
Warner
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