// Stream buffer classes -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
-// Free Software Foundation, Inc.
+// Copyright (C) 1997-2015 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)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// 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.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/streambuf.tcc
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{streambuf}
+ */
//
// ISO C++ 14882: 27.5 Stream buffers
#pragma GCC system_header
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
template<typename _CharT, typename _Traits>
streamsize
basic_streambuf<_CharT, _Traits>::
streamsize __ret = 0;
while (__ret < __n)
{
- const size_t __buf_len = this->egptr() - this->gptr();
+ const streamsize __buf_len = this->egptr() - this->gptr();
if (__buf_len)
{
- const size_t __remaining = __n - __ret;
- const size_t __len = std::min(__buf_len, __remaining);
+ const streamsize __remaining = __n - __ret;
+ const streamsize __len = std::min(__buf_len, __remaining);
traits_type::copy(__s, this->gptr(), __len);
__ret += __len;
__s += __len;
- this->gbump(__len);
+ this->__safe_gbump(__len);
}
-
+
if (__ret < __n)
{
- const int_type __c = this->uflow();
+ const int_type __c = this->uflow();
if (!traits_type::eq_int_type(__c, traits_type::eof()))
{
traits_type::assign(*__s++, traits_type::to_char_type(__c));
streamsize __ret = 0;
while (__ret < __n)
{
- const size_t __buf_len = this->epptr() - this->pptr();
+ const streamsize __buf_len = this->epptr() - this->pptr();
if (__buf_len)
{
- const size_t __remaining = __n - __ret;
- const size_t __len = std::min(__buf_len, __remaining);
+ const streamsize __remaining = __n - __ret;
+ const streamsize __len = std::min(__buf_len, __remaining);
traits_type::copy(this->pptr(), __s, __len);
__ret += __len;
__s += __len;
- this->pbump(__len);
+ this->__safe_pbump(__len);
}
if (__ret < __n)
// Conceivably, this could be used to implement buffer-to-buffer
// copies, if this was ever desired in an un-ambiguous way by the
- // standard. If so, then checks for __ios being zero would be
- // necessary.
+ // standard.
template<typename _CharT, typename _Traits>
streamsize
- __copy_streambufs(basic_streambuf<_CharT, _Traits>* __sbin,
- basic_streambuf<_CharT, _Traits>* __sbout)
+ __copy_streambufs_eof(basic_streambuf<_CharT, _Traits>* __sbin,
+ basic_streambuf<_CharT, _Traits>* __sbout,
+ bool& __ineof)
{
streamsize __ret = 0;
+ __ineof = true;
typename _Traits::int_type __c = __sbin->sgetc();
while (!_Traits::eq_int_type(__c, _Traits::eof()))
{
- const size_t __n = __sbin->egptr() - __sbin->gptr();
- if (__n > 1)
- {
- const size_t __wrote = __sbout->sputn(__sbin->gptr(), __n);
- __sbin->gbump(__wrote);
- __ret += __wrote;
- if (__wrote < __n)
- break;
- __c = __sbin->underflow();
- }
- else
+ __c = __sbout->sputc(_Traits::to_char_type(__c));
+ if (_Traits::eq_int_type(__c, _Traits::eof()))
{
- __c = __sbout->sputc(_Traits::to_char_type(__c));
- if (_Traits::eq_int_type(__c, _Traits::eof()))
- break;
- ++__ret;
- __c = __sbin->snextc();
+ __ineof = false;
+ break;
}
+ ++__ret;
+ __c = __sbin->snextc();
}
return __ret;
}
+ template<typename _CharT, typename _Traits>
+ inline streamsize
+ __copy_streambufs(basic_streambuf<_CharT, _Traits>* __sbin,
+ basic_streambuf<_CharT, _Traits>* __sbout)
+ {
+ bool __ineof;
+ return __copy_streambufs_eof(__sbin, __sbout, __ineof);
+ }
+
// Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
- // NB: This syntax is a GNU extension.
+ // which are defined via explicit instantiations elsewhere.
#if _GLIBCXX_EXTERN_TEMPLATE
extern template class basic_streambuf<char>;
extern template
streamsize
- __copy_streambufs(basic_streambuf<char>*, basic_streambuf<char>*);
+ __copy_streambufs(basic_streambuf<char>*,
+ basic_streambuf<char>*);
+ extern template
+ streamsize
+ __copy_streambufs_eof(basic_streambuf<char>*,
+ basic_streambuf<char>*, bool&);
#ifdef _GLIBCXX_USE_WCHAR_T
extern template class basic_streambuf<wchar_t>;
extern template
streamsize
- __copy_streambufs(basic_streambuf<wchar_t>*, basic_streambuf<wchar_t>*);
+ __copy_streambufs(basic_streambuf<wchar_t>*,
+ basic_streambuf<wchar_t>*);
+ extern template
+ streamsize
+ __copy_streambufs_eof(basic_streambuf<wchar_t>*,
+ basic_streambuf<wchar_t>*, bool&);
#endif
#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
-#endif
+#endif
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