Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / src / streambuf.cc

diff --git a/libstdc++-v3/src/streambuf.cc b/libstdc++-v3/src/streambuf.cc
new file mode 100644 (file)
index 0000000..c040ae1
--- /dev/null
+++ b/libstdc++-v3/src/streambuf.cc
@@ -0,0 +1,113 @@
+// Stream buffer classes -*- C++ -*-
+
+// Copyright (C) 2004, 2005, 2006, 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
+// 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/>.
+
+//
+// ISO C++ 14882: 27.5  Stream buffers
+//
+
+#include <streambuf>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  template<>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<char>* __sbin,
+                         basic_streambuf<char>* __sbout, bool& __ineof)
+    {
+      typedef basic_streambuf<char>::traits_type traits_type;
+      streamsize __ret = 0;
+      __ineof = true;
+      traits_type::int_type __c = __sbin->sgetc();
+      while (!traits_type::eq_int_type(__c, traits_type::eof()))
+       {
+         const streamsize __n = __sbin->egptr() - __sbin->gptr();
+         if (__n > 1)
+           {
+             const streamsize __wrote = __sbout->sputn(__sbin->gptr(), __n);
+             __sbin->gbump(__wrote);
+             __ret += __wrote;
+             if (__wrote < __n)
+               {
+                 __ineof = false;
+                 break;
+               }
+             __c = __sbin->underflow();
+           }
+         else
+           {
+             __c = __sbout->sputc(traits_type::to_char_type(__c));
+             if (traits_type::eq_int_type(__c, traits_type::eof()))
+               {
+                 __ineof = false;
+                 break;
+               }
+             ++__ret;
+             __c = __sbin->snextc();
+           }
+       }
+      return __ret;
+    }
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+  template<>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<wchar_t>* __sbin,
+                         basic_streambuf<wchar_t>* __sbout, bool& __ineof)
+    {
+      typedef basic_streambuf<wchar_t>::traits_type traits_type;
+      streamsize __ret = 0;
+      __ineof = true;
+      traits_type::int_type __c = __sbin->sgetc();
+      while (!traits_type::eq_int_type(__c, traits_type::eof()))
+       {
+         const streamsize __n = __sbin->egptr() - __sbin->gptr();
+         if (__n > 1)
+           {
+             const streamsize __wrote = __sbout->sputn(__sbin->gptr(), __n);
+             __sbin->gbump(__wrote);
+             __ret += __wrote;
+             if (__wrote < __n)
+               {
+                 __ineof = false;
+                 break;
+               }
+             __c = __sbin->underflow();
+           }
+         else
+           {
+             __c = __sbout->sputc(traits_type::to_char_type(__c));
+             if (traits_type::eq_int_type(__c, traits_type::eof()))
+               {
+                 __ineof = false;
+                 break;
+               }
+             ++__ret;
+             __c = __sbin->snextc();
+           }
+       }
+      return __ret;
+    }
+#endif
+
+_GLIBCXX_END_NAMESPACE