// POD character, std::char_traits specialization -*- C++ -*-
-// Copyright (C) 2002-2013 Free Software Foundation, Inc.
+// Copyright (C) 2002-2017 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
// int_type to properly hold the full range of char_type values as
// well as EOF.
/// @brief A POD class that serves as a character abstraction class.
- template<typename V, typename I, typename S = std::mbstate_t>
+ template<typename _Value, typename _Int, typename _St = std::mbstate_t>
struct character
{
- typedef V value_type;
- typedef I int_type;
- typedef S state_type;
- typedef character<V, I, S> char_type;
+ typedef _Value value_type;
+ typedef _Int int_type;
+ typedef _St state_type;
+ typedef character<_Value, _Int, _St> char_type;
value_type value;
};
- template<typename V, typename I, typename S>
+ template<typename _Value, typename _Int, typename _St>
inline bool
- operator==(const character<V, I, S>& lhs, const character<V, I, S>& rhs)
+ operator==(const character<_Value, _Int, _St>& lhs,
+ const character<_Value, _Int, _St>& rhs)
{ return lhs.value == rhs.value; }
- template<typename V, typename I, typename S>
+ template<typename _Value, typename _Int, typename _St>
inline bool
- operator<(const character<V, I, S>& lhs, const character<V, I, S>& rhs)
+ operator<(const character<_Value, _Int, _St>& lhs,
+ const character<_Value, _Int, _St>& rhs)
{ return lhs.value < rhs.value; }
_GLIBCXX_END_NAMESPACE_VERSION
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/// char_traits<__gnu_cxx::character> specialization.
- template<typename V, typename I, typename S>
- struct char_traits<__gnu_cxx::character<V, I, S> >
+ template<typename _Value, typename _Int, typename _St>
+ struct char_traits<__gnu_cxx::character<_Value, _Int, _St> >
{
- typedef __gnu_cxx::character<V, I, S> char_type;
- typedef typename char_type::int_type int_type;
- typedef typename char_type::state_type state_type;
- typedef fpos<state_type> pos_type;
- typedef streamoff off_type;
+ typedef __gnu_cxx::character<_Value, _Int, _St> char_type;
+ typedef typename char_type::int_type int_type;
+ typedef typename char_type::state_type state_type;
+ typedef fpos<state_type> pos_type;
+ typedef streamoff off_type;
static void
assign(char_type& __c1, const char_type& __c2)
static char_type*
move(char_type* __s1, const char_type* __s2, size_t __n)
{
+ if (__n == 0)
+ return __s1;
return static_cast<char_type*>
(__builtin_memmove(__s1, __s2, __n * sizeof(char_type)));
}
static char_type*
copy(char_type* __s1, const char_type* __s2, size_t __n)
{
+ if (__n == 0)
+ return __s1;
std::copy(__s2, __s2 + __n, __s1);
return __s1;
}
static int_type
eof()
{
- int_type __r = { -1 };
+ int_type __r = { static_cast<typename __gnu_cxx::__conditional_type
+ <std::__is_integer<int_type>::__value,
+ int_type, int>::__type>(-1) };
return __r;
}