1 files changed, 71 insertions, 0 deletions
diff --git a/libstdc++-v3/src/system_error.cc b/libstdc++-v3/src/system_error.cc
new file mode 100644
index 00000000000..81e73fcc7f9
--- /dev/null
+++ b/libstdc++-v3/src/system_error.cc
@@ -0,0 +1,71 @@
+// <system_error> implementation file
+
+// Copyright (C) 2007
+// 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)
+// 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.
+
+// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 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.
+
+#include <cstring>
+#include <system_error>
+#include <bits/functexcept.h>
+#include <limits>
+
+namespace
+{
+  struct gnu_error_category : public std::error_category
+  {
+    virtual const std::string& 
+    name() const 
+    { 
+      static const std::string category("GNU");
+      return category;
+    }
+
+    virtual std::posix_error::posix_errno 
+    posix(int __v) const
+    {
+#ifdef _GLIBCXX_HAVE_SYS_NERR
+      const int last_errorno = sys_nerr;
+#else
+      const int last_errorno = std::numeric_limits<int>::max();
+#endif
+      if (__v > 0 && __v <= last_errorno)
+	return std::posix_error::posix_errno(__v);
+      else
+	return std::posix_error::no_posix_equivalent;
+    }
+  };
+
+  const gnu_error_category gnu_category;
+}
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  const error_category& system_category = gnu_category;
+
+  system_error::~system_error() throw() { }
+
+_GLIBCXX_END_NAMESPACE