cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / c++ / 4.7 / bits / streambuf.tcc

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/bits/streambuf.tcc b/i686-linux-gnu-4.7/usr/include/c++/4.7/bits/streambuf.tcc
new file mode 100644 (file)
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--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/bits/streambuf.tcc
@@ -0,0 +1,176 @@
+// Stream buffer classes -*- C++ -*-
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009, 2010, 2011  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 3, 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.
+
+// 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.
+
+// 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
+//
+
+#ifndef _STREAMBUF_TCC
+#define _STREAMBUF_TCC 1
+
+#pragma GCC system_header
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    basic_streambuf<_CharT, _Traits>::
+    xsgetn(char_type* __s, streamsize __n)
+    {
+      streamsize __ret = 0;
+      while (__ret < __n)
+       {
+         const streamsize __buf_len = this->egptr() - this->gptr();
+         if (__buf_len)
+           {
+             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->__safe_gbump(__len);
+           }
+
+         if (__ret < __n)
+           {
+             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));
+                 ++__ret;
+               }
+             else
+               break;
+           }
+       }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    basic_streambuf<_CharT, _Traits>::
+    xsputn(const char_type* __s, streamsize __n)
+    {
+      streamsize __ret = 0;
+      while (__ret < __n)
+       {
+         const streamsize __buf_len = this->epptr() - this->pptr();
+         if (__buf_len)
+           {
+             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->__safe_pbump(__len);
+           }
+
+         if (__ret < __n)
+           {
+             int_type __c = this->overflow(traits_type::to_int_type(*__s));
+             if (!traits_type::eq_int_type(__c, traits_type::eof()))
+               {
+                 ++__ret;
+                 ++__s;
+               }
+             else
+               break;
+           }
+       }
+      return __ret;
+    }
+
+  // Conceivably, this could be used to implement buffer-to-buffer
+  // copies, if this was ever desired in an un-ambiguous way by the
+  // standard.
+  template<typename _CharT, typename _Traits>
+    streamsize
+    __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()))
+       {
+         __c = __sbout->sputc(_Traits::to_char_type(__c));
+         if (_Traits::eq_int_type(__c, _Traits::eof()))
+           {
+             __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.
+#if _GLIBCXX_EXTERN_TEMPLATE
+  extern template class basic_streambuf<char>;
+  extern template
+    streamsize
+    __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>*);
+  extern template
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<wchar_t>*,
+                         basic_streambuf<wchar_t>*, bool&);
+#endif
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+
+#endif