Date: Fri, 16 Jan 2009 10:06:52 -0800 From: Garrett Cooper <yanefbsd@gmail.com> To: Thierry Herbelot <thierry.herbelot@free.fr> Cc: freebsd-hackers@freebsd.org, Christoph Mallon <christoph.mallon@gmx.de> Subject: Re: Confused by segfault with legitimate call to strerror(3) on amd64 / sysctl (3) setting `odd' errno's Message-ID: <7d6fde3d0901161006r79f0cac4yf80c9c5079152b87@mail.gmail.com> In-Reply-To: <200901161152.53478.thierry.herbelot@free.fr> References: <7d6fde3d0901160041n55466290l55f737d274a40895@mail.gmail.com> <49705FA2.2020605@gmx.de> <7d6fde3d0901160235o6aa1f096q11c5096b70f3577@mail.gmail.com> <200901161152.53478.thierry.herbelot@free.fr>
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On Fri, Jan 16, 2009 at 2:52 AM, Thierry Herbelot
<thierry.herbelot@free.fr> wrote:
> Le Friday 16 January 2009, Garrett Cooper a =E9crit :
>> On Fri, Jan 16, 2009 at 2:21 AM, Christoph Mallon
>>
>> #include <errno.h>
>> #include <stdio.h>
>> #include <sys/stat.h>
>>
>> int
>> main()
>> {
>>
>> struct stat sb;
>>
>> int o_errno;
>>
>> if (stat("/some/file/that/doesn't/exist", &sb) !=3D 0) {
>> o_errno =3D errno;
>> printf("Errno: %d\n", errno);
>> printf("%s\n", strerror(o_errno));
>> }
>>
>> return 0;
>>
>> }
>>
> with this, it's better on an amd64/ RELENG_7 machine :
>
> % diff -ub badfile.c.ori badfile.c
> --- badfile.c.ori 2009-01-16 11:49:44.778991057 +0100
> +++ badfile.c 2009-01-16 11:49:03.470465677 +0100
> @@ -1,6 +1,7 @@
> #include <errno.h>
> #include <stdio.h>
> #include <sys/stat.h>
> +#include <string.h>
>
> int
> main()
>
> Cheers
>
> TfH
That's hilarious -- why does it pass though without issue on x86 though?
-Garrett
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