2002-01-30 Paolo Carlini <pcarlini@unitus.it>

        * config/locale/numpunct_members_gnu.cc
	(numpunct<char, wchar_t>::_M_initialize_numpunct()):
	Fix initialization of _M_grouping for locales which have
	_M_thousands_sep == '\0'(L'\0', respectively).
	* testsuite/22_locale/numpunct_byname.cc (test02): Add test.

From-SVN: r49343

libstdc++-v3/ChangeLog

 2002-01-30  Paolo Carlini  <pcarlini@unitus.it>
 
+	* config/locale/numpunct_members_gnu.cc
+	(numpunct<char, wchar_t>::_M_initialize_numpunct()):
+	Fix initialization of _M_grouping for locales which have
+	_M_thousands_sep == '\0'(L'\0', respectively).
+	* testsuite/22_locale/numpunct_byname.cc (test02): Add test.
+
+2002-01-30  Paolo Carlini  <pcarlini@unitus.it>
+
 	* testsuite/27_io/ostream_inserter_arith.cc (test03):
 	Better fix for 32/64 bit architectures, avoiding the
 	implicit assumption that CHAR_BIT == 8.

libstdc++-v3/config/locale/numpunct_members_gnu.cc

@@ -53,7 +53,11 @@ namespace std
 	  // Named locale.
 	  _M_decimal_point = *(__nl_langinfo_l(RADIXCHAR, __cloc));
 	  _M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
-	  _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
+	  // Check for NUL, which implies no grouping.
+	  if (_M_thousands_sep == '\0')
+	    _M_grouping = "";
+	  else
+	    _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
 	}
       // NB: There is no way to extact this info from posix locales.
       // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
@@ -79,7 +83,10 @@ namespace std
 	  // Named locale.
 	  _M_decimal_point = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc)}).__w);
 	  _M_thousands_sep = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc)}).__w);
-	  _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
+	  if (_M_thousands_sep == L'\0')
+	    _M_grouping = "";
+	  else
+	    _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
 	}
       // NB: There is no way to extact this info from posix locales.
       // _M_truename = __nl_langinfo_l(YESSTR, __cloc);

libstdc++-v3/testsuite/22_locale/numpunct_byname.cc

@@ -72,9 +72,26 @@ void test01()
   VERIFY( dp1 != dp3 );
 }
 
+void test02()
+{
+  using namespace std;
+  
+  bool test = true;
+
+  locale loc_it("it_IT");
+
+  const numpunct<char>& nump_it = use_facet<numpunct<char> >(loc_it); 
+
+  string g = nump_it.grouping();
+
+  VERIFY( g == "" );
+}
+
+
 int main()
 {
   test01();
+  test02();
 
   return 0;
 }