PR libstdc++/29134 (vector<bool> bits)

2006-09-22  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/29134 (vector<bool> bits)
	* include/bits/stl_bvector.h (vector<bool>::max_size):
	Use allocator' max_size.
	* testsuite/23_containers/vector/bool/capacity/29134.cc: New.

	* testsuite/23_containers/deque/capacity/29134-2.cc: Minor tweak.
	* testsuite/23_containers/vector/capacity/29134-2.cc: Likewise.

From-SVN: r117148

libstdc++-v3/ChangeLog

 2006-09-22  Paolo Carlini  <pcarlini@suse.de>
 
+	PR libstdc++/29134 (vector<bool> bits)
+	* include/bits/stl_bvector.h (vector<bool>::max_size):
+	Use allocator' max_size.
+	* testsuite/23_containers/vector/bool/capacity/29134.cc: New.
+
+	* testsuite/23_containers/deque/capacity/29134-2.cc: Minor tweak.
+	* testsuite/23_containers/vector/capacity/29134-2.cc: Likewise.
+
+2006-09-22  Paolo Carlini  <pcarlini@suse.de>
+
 	* include/tr1/type_traits (add_reference): Robustify vs
 	reference to void.
 	* testsuite/tr1/4_metaprogramming/reference_modifications/

libstdc++-v3/include/bits/stl_bvector.h

@@ -581,7 +581,11 @@ template<typename _Alloc>
 
     size_type
     max_size() const
-    { return size_type(-1); }
+    {
+      const size_type __asize = _M_get_Bit_allocator().max_size();
+      return (__asize <= size_type(-1) / int(_S_word_bit) ?
+	      __asize * int(_S_word_bit) : size_type(-1));
+    }
 
     size_type
     capacity() const

libstdc++-v3/testsuite/23_containers/deque/capacity/29134-2.cc

@@ -20,7 +20,6 @@
 
 #include <deque>
 #include <stdexcept>
-#include <limits>
 #include <testsuite_hooks.h>
 
 // libstdc++/29134
@@ -33,7 +32,7 @@ void test01()
 
   try
     {
-      d.resize(numeric_limits<size_t>::max());
+      d.resize(size_t(-1));
     }
   catch(const std::length_error&)
     {

libstdc++-v3/testsuite/23_containers/vector/bool/capacity/29134.cc

+// Copyright (C) 2006 Free Software Foundation, Inc.
+//
+// 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 Pred 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 23.2.5 class vector<bool> [lib.vector.bool]
+
+#include <vector>
+#include <testsuite_hooks.h>
+
+// libstdc++/29134
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::vector<bool> vb;
+
+  VERIFY( vb.max_size() == std::vector<bool>::size_type(-1) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/23_containers/vector/capacity/29134-2.cc

@@ -20,7 +20,6 @@
 
 #include <vector>
 #include <stdexcept>
-#include <limits>
 #include <testsuite_hooks.h>
 
 // libstdc++/29134
@@ -33,7 +32,7 @@ void test01()
 
   try
     {
-      v.resize(numeric_limits<size_t>::max());
+      v.resize(size_t(-1));
     }
   catch(const std::length_error&)
     {