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-rw-r--r--libstdc++-v3/ChangeLog9
-rw-r--r--libstdc++-v3/include/ext/vstring_util.h17
2 files changed, 20 insertions, 6 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 43d1354..84eb514 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,12 @@
+2010-06-09 Paolo Carlini <paolo.carlini@oracle.com>
+
+ Revert:
+ 2010-06-09 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR libstdc++/44413
+ * include/ext/vstring_util.h (__vstring_utility<>::_S_compare):
+ Simplify, just return -1, 0, 1.
+
2010-06-09 Iain Sandoe <iains@gcc.gnu.org>
PR bootstrap/43170
diff --git a/libstdc++-v3/include/ext/vstring_util.h b/libstdc++-v3/include/ext/vstring_util.h
index a9c88d4..4042f70 100644
--- a/libstdc++-v3/include/ext/vstring_util.h
+++ b/libstdc++-v3/include/ext/vstring_util.h
@@ -1,7 +1,6 @@
// Versatile string utility -*- C++ -*-
-// Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
-// Free Software Foundation, Inc.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 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
@@ -51,10 +50,10 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
{
typedef typename _Alloc::template rebind<_CharT>::other _CharT_alloc_type;
- typedef _Traits traits_type;
+ typedef _Traits traits_type;
typedef typename _Traits::char_type value_type;
typedef typename _CharT_alloc_type::size_type size_type;
- typedef typename _CharT_alloc_type::difference_type difference_type;
+ typedef typename _CharT_alloc_type::difference_type difference_type;
typedef typename _CharT_alloc_type::pointer pointer;
typedef typename _CharT_alloc_type::const_pointer const_pointer;
@@ -165,8 +164,14 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
static int
_S_compare(size_type __n1, size_type __n2)
{
- const difference_type __d = __n1 - __n2;
- return __d == 0 ? 0 : (__d > 0 ? 1 : -1);
+ const difference_type __d = difference_type(__n1 - __n2);
+
+ if (__d > __numeric_traits_integer<int>::__max)
+ return __numeric_traits_integer<int>::__max;
+ else if (__d < __numeric_traits_integer<int>::__min)
+ return __numeric_traits_integer<int>::__min;
+ else
+ return int(__d);
}
};