[LTP] [RFC PATCH 6/9] testcases: wc: Add "unrecognized option" as TCONF

[Mylène Josserand]

Hi Petr,

On Mon, 4 Jun 2018 17:22:21 +0200
Petr Vorel <pvorel@suse.cz> wrote:

> Hi Mylène,
> 
> > > I haven't found it in busybox sources neither in busybox git log.  
> 
> > Just in case, this is what I get with my busybox (v1.24.1):  
> 
> > # wc --max-line-length
> > wc: unrecognized option '--max-line-length'
> > BusyBox v1.24.1 (2018-02-10 17:35:25 CET) multi-call binary.  
> 
> > Usage: wc [-clwL] [FILE]...  
> 
> > I looked very quickly and it seems to be glibc with "getopt" function
> > that prints this error:
> > https://sourceware.org/git/?p=glibc.git;a=blob;f=posix/getopt.c#l309  
> 
> Thanks for debugging. Indeed, it really uses getopts() from libc, thus
> libc dependent - busybox with musl has it with comma:
> wc: unrecognized option: max-line-length
> 
> But all libraries common libc libraries (glibc, musl, uclibc-ng) has string "unrecognized
> option" => make sense to add the patch.

Oh yes, I did not check other C library, great to know that
"unrecognized option" is common.

Thanks for the review and for the pushed!

Best regards,

-- 
Mylène Josserand, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com