[PATCH] Properly display unavailable elements in LC_MONETARY category

[Ondřej Bílka]

On Thu, Nov 14, 2013 at 03:50:40PM +0100, Andreas Schwab wrote:
> LC_MONETARY mon_grouping and LC_NUMERIC grouping use both \177 and \377
> as special markers, where \177 is used for -1, and \377 is used instead
> of 0 (even though 0 for grouping has no meaning).  __guess_grouping in
> printf_fp.c interpretes both as the end of grouping.
> 
> For integer-valued elements localedef always emits "\377" for
> unavailable values (locale file contents should not depend on the
> signedness of char).  This means that C-monetary should use "\377" even
> on signed architectures, and localeconv needs to convert to the
> POSIX-mandated CHAR_MAX.  Further fixes are needed for strfmon to be
> independent of signedness.
> 
> Andreas.
> 
> 	* locale/programs/locale.c (show_info) [case byte]: Check for
> 	'\377' instead of '\177'.
> 	* locale/C-monetary.c (not_available): Always use "\377".
> 	* stdlib/strfmon_l.c (__vstrfmon_l): Use -2 as marker for
> 	unspecified p_sign_posn and n_sign_posn.  Check for '\377' to
> 	detect unavailable sign_posn locale elements.
> 	* locale/localeconv.c (__localeconv): For grouping and
> 	mon_grouping handle "\177" and "\377" like no grouping.
> 	(INT_ELEM): New macro.  Use it to set all numeric members.
> 	* locale/programs/ld-monetary.c (monetary_read)
> 	<tok_mon_grouping>: Normalize single -1 to the empty string.
> 	* locale/programs/ld-numeric.c (numeric_read) <tok_grouping>:
> 	Likewise.
> 
looks ok.