Fix _NC_LOCALE_NAME definition.

(cherry picked from commit 4fb9241)

ChangeLog

@@ -1,5 +1,11 @@
 2009-11-17  Ulrich Drepper  <drepper@redhat.com>
 
+	[BZ #10968]
+	* locale/langinfo.h (_NL_LOCALE_NAME): Correct definition.
+	Patch by Bruno Haible <bruno@clisp.org>.
+	* locale/tst-locname.c: New file.
+	* locale/Makefile (tests): Add tst-locname.
+
 	[BZ #10972]
 	* sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Add new MADV_*
 	constants from recent kernels.

locale/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1991,1992,1995-2003,2005 Free Software Foundation, Inc.
+# Copyright (C) 1991,1992,1995-2003,2005,2009 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -38,7 +38,7 @@ distribute	= localeinfo.h categories.def iso-639.def iso-3166.def \
 routines	= setlocale findlocale loadlocale loadarchive \
 		  localeconv nl_langinfo nl_langinfo_l mb_cur_max \
 		  newlocale duplocale freelocale uselocale
-tests		= tst-C-locale
+tests		= tst-C-locale tst-locname
 categories	= ctype messages monetary numeric time paper name \
 		  address telephone measurement identification collate
 aux		= $(categories:%=lc-%) $(categories:%=C-%) SYS_libc C_name \
@@ -104,7 +104,7 @@ CFLAGS-charmap-dir.c = -Wno-write-strings
 
 # This makes sure -DNOT_IN_libc is passed for all these modules.
 cpp-srcs-left := $(addsuffix .c,$(localedef-modules) $(localedef-aux) \
-			        $(locale-modules) $(lib-modules))
+				$(locale-modules) $(lib-modules))
 lib := nonlib
 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 

locale/langinfo.h

@@ -568,7 +568,8 @@ enum
 
 /* This macro produces an item you can pass to `nl_langinfo' or
    `nl_langinfo_l' to get the name of the locale in use for CATEGORY.  */
-#define _NL_LOCALE_NAME(category)	_NL_ITEM ((category), -1)
+#define _NL_LOCALE_NAME(category)	_NL_ITEM ((category),		      \
+						  _NL_ITEM_INDEX (-1))
 #ifdef __USE_GNU
 # define NL_LOCALE_NAME(category)	_NL_LOCALE_NAME (category)
 #endif