[v3] Some work on time_get::_M_extract_via_format

[Paolo Carlini <pcarlini at suse dot de>]

Hi,

tested x86-linux, committed.

Paolo.

//////////////
2003-12-17  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/locale_facets.tcc (time_get::_M_extract_via_format):
	Use narrow to get from __format[__i] a char __c representing a
	formatting code, don't use it to compare *__beg to __format[__i].
	* testsuite/22_locale/time_get/get_date/wchar_t/4.cc: New.

diff -urN libstdc++-v3-orig/include/bits/locale_facets.tcc libstdc++-v3/include/bits/locale_facets.tcc
--- libstdc++-v3-orig/include/bits/locale_facets.tcc	2003-12-15 17:56:40.000000000 +0100
+++ libstdc++-v3/include/bits/locale_facets.tcc	2003-12-17 18:40:03.000000000 +0100
@@ -1509,14 +1509,13 @@
 
       for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
 	{
-	  char __c = __format[__i];
-	  if (__c == '%')
+	  if (__ctype.narrow(__format[__i], 0) == '%')
 	    {
 	      // Verify valid formatting code, attempt to extract.
-	      __c = __format[++__i];
+	      char __c = __ctype.narrow(__format[++__i], 0);
 	      int __mem = 0; 
 	      if (__c == 'E' || __c == 'O')
-		__c = __format[++__i];
+		__c = __ctype.narrow(__format[++__i], 0);
 	      switch (__c)
 		{
 		  const char* __cs;
@@ -1690,7 +1689,7 @@
 	  else
 	    {
 	      // Verify format and input match, extract and discard.
-	      if (__c == __ctype.narrow(*__beg, 0))
+	      if (__format[__i] == *__beg)
 		++__beg;
 	      else
 		__err |= ios_base::failbit;
diff -urN libstdc++-v3-orig/testsuite/22_locale/time_get/get_date/wchar_t/4.cc libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc
--- libstdc++-v3-orig/testsuite/22_locale/time_get/get_date/wchar_t/4.cc	1970-01-01 01:00:00.000000000 +0100
+++ libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc	2003-12-17 18:48:10.000000000 +0100
@@ -0,0 +1,63 @@
+// 2003-12-17  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2003 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 22.2.5.1.1 time_get members
+
+#include <locale>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  typedef istreambuf_iterator<wchar_t> iterator_type;
+
+  locale loc_tw = __gnu_test::try_named_locale("zh_TW");
+
+  iterator_type end;
+
+  wistringstream iss;
+  iss.imbue(loc_tw);
+  const time_get<wchar_t>& tim_get = use_facet<time_get<wchar_t> >(iss.getloc()); 
+
+  const ios_base::iostate good = ios_base::goodbit;
+  ios_base::iostate errorstate = good;
+
+  const wchar_t wstr[] = { 0x897f, 0x5143, L'2', L'0', L'0', L'3',
+			   0x5e74, L'1', L'2', 0x6708, L'1', L'7',
+			   0x65e5 , 0x0 };
+
+  iss.str(wstr);
+  iterator_type is_it01(iss);
+  tm time01;
+  tim_get.get_date(is_it01, end, iss, errorstate, &time01);
+  VERIFY( errorstate == ios_base::eofbit );
+  VERIFY( time01.tm_mon == 11 );
+  VERIFY( time01.tm_mday == 17 );
+  VERIFY( time01.tm_year == 103 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}