[LTP] [PATCH v2] getcwd01: Implement .test_variants

[Petr Vorel]

Hi Wei,

> On Wed, Dec 27, 2023 at 02:21:44PM +0100, Petr Vorel wrote:
> > Hi Wei,

> > > +{
> > > +	char *res;
> > > +
> > > +	errno = 0;
> > > +	res = getcwd(buf, size);
> > Why so complicated code? Why not just use TST_EXP_FAIL2() as you do in
> > tst_getcwd()? That would be way fewer lines of code. There is no problem to use
> > TST_EXP_FAIL2() with libc syscall wrappers.
> Current TST_EXP_FAIL2 can not handle getcwd (will return NULL). I remember in another
> email thread you mention maybe we need TST_EXP_FAIL_PTR.

Good point, thanks for working on it. It will use TESTPTR().

...
> > > +++ b/testcases/kernel/syscalls/getcwd/getcwd01.c
> > > @@ -13,18 +13,26 @@
> > >   * 5) getcwd(2) fails if buf points to NULL and the size is set to 1.
> > >   *
> > >   * Expected Result:
> > > + * linux syscall
> > Well, I told you several times, that list requires separating by blank line
> > otherwise it breaks formatting. Could you please add it and check generated
> > docparse before sending a patch:
> > cd metadata && make && chromium ../docparse/*.html
> > We should check for it in metaparse.c or in testinfo.pl.
> The original code seems can not correctly handled by docparse since format is wrong,
> so acutally no any description item will appear in metadata file, same issue for 
> getcwd02/03/04. I will update to correct format in getcwd01 next patch.

Thank you!

Kind regards,
Petr