[Bug libc/10968] New: _NL_LOCALE_NAME macro does not work

["bruno at clisp dot org" <sourceware-bugzilla at sourceware dot org>]

In <http://sourceware.org/ml/libc-alpha/2005-03/msg00179.html> a macro
_NL_LOCALE_NAME was introduced, whose purpose it is to access the name
of the current locale. But it does not work: with it, the nl_langinfo
function always returns the empty string.

How to reproduce: Compile and run the attached program bug1.c.

The reason, found by Ludovic Courtès, is that in the macroexpansion of
_NL_ITEM (category, -1)  =>  (((category) << 16) | (-1))
the bits 31..16 of the number -1 overwrite the bits of the category.
The suggested fix therefore is to change the _NL_LOCALE_NAME macro
as indicated in bug1.c.

-- 
           Summary: _NL_LOCALE_NAME macro does not work
           Product: glibc
           Version: 2.8
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: bruno at clisp dot org
                CC: glibc-bugs at sources dot redhat dot com,ludo at gnu dot
                    org
 GCC build triplet: x86_64-suse-linux
  GCC host triplet: x86_64-suse-linux
GCC target triplet: x86_64-suse-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=10968

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