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Groups > linux.kernel > #1348071
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well |
| Date | 2016-03-02 15:30 +0100 |
| Message-ID | <r8fWN-pB-7@gated-at.bofh.it> (permalink) |
| References | <r7oz8-6aX-5@gated-at.bofh.it> <r7oz8-6aX-7@gated-at.bofh.it> <r8eHo-80v-3@gated-at.bofh.it> <r8fDs-gr-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Mar 02, 2016 at 02:01:15PM +0000, One Thousand Gnomes wrote:
> int main(void) is wrong as there are passed arguments
Not in this particular case - test doesn't take args.
> int main() is ok (in C89 at least) because it means "there are unknown
> arguments"
>
> int main(int argc, char *argv[]) is allowed
>
> int main(void) is not safe on all platforms because some compilers
> choose to do the argument cleanup in the return path of the called
> function. Having the wrong number of arguments doesn't end well in such
> cases. I doubt any Linux platforms do this but we shouldn't be
> encouraging bad programming techniques 8)
There's also the variadic thing. Here's hpa's sermon from a couple of
years ago:
http://thread.gmane.org/gmane.linux.kernel/1268751/focus=1268792
:-))))
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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[PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well Andy Lutomirski <luto@kernel.org> - 2016-02-29 06:30 +0100
Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well Borislav Petkov <bp@alien8.de> - 2016-03-02 14:10 +0100
Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-03-02 15:10 +0100
Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well Borislav Petkov <bp@alien8.de> - 2016-03-02 15:30 +0100
Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well Andy Lutomirski <luto@amacapital.net> - 2016-03-02 20:10 +0100
Re: [PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well Borislav Petkov <bp@alien8.de> - 2016-03-02 20:40 +0100
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