[Libguestfs] Remaining syntax-check errors in libguestfs

[Richard W.M. Jones]

On Mon, Sep 17, 2012 at 10:23:04AM +0200, Jim Meyering wrote:
> >> prohibit_magic_number_exit
> >> po-docs/ja.po:59861:"might be called indirectly from L<exit(3)>,
> > which can cause unexpected "
> >> po-docs/libguestfs-docs.pot:50902:"might be called indirectly from
> > L<exit(3)>, which can cause unexpected "
> >> po-docs/uk.po:57345:"might be called indirectly from L<exit(3)>,
> > which can cause unexpected "
> >> src/guestfs.pod:2028:callback might be called indirectly from
> > L<exit(3)>, which can cause
> >> tests/mount-local/test-parallel-mount-local.c:104:    exit (77);
> >> tests/mount-local/test-parallel-mount-local.c:110:    exit (77);
> >> tests/regressions/rhbz790721.c:79:    exit (77);
> >> maint.mk: use EXIT_* values rather than magic number
> >> make: *** [sc_prohibit_magic_number_exit] Error 1
> >
> > I think exit (77) is acceptable.  To automake, this means that the
> > test has been skipped, and there is no constant for it.  However
> > writing a regexp that matches all numbers except "77" is quite hard.
> 
> But we already have a secondary filtering mechanism, so the patch
> to exempt "77" is pretty easy.  If you confirm that this works for you,
> I'll push it to gnulib:
> 
> diff --git a/top/maint.mk b/top/maint.mk
> index 4627bc5..1722eb7 100644
> --- a/top/maint.mk
> +++ b/top/maint.mk
> @@ -354,7 +354,7 @@ sc_prohibit_strncpy:
>  #      perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/'
>  sc_prohibit_magic_number_exit:
>  	@prohibit='(^|[^.])\<(usage|exit|error) ?\(-?[0-9]+[,)]'	\
> -	exclude='error ?\((0,|[^,]*)'					\
> +	exclude='exit \(77\)|error ?\(((0|77),|[^,]*)'			\
>  	halt='use EXIT_* values rather than magic number'		\
>  	  $(_sc_search_regexp)

Tested and confirmed that it works.

Rich.

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