1 files changed, 149 insertions, 0 deletions
diff --git a/mcs/class/corlib/System.IO/UnexceptionalStreamReader.cs b/mcs/class/corlib/System.IO/UnexceptionalStreamReader.cs
new file mode 100644
index 00000000000..7c527459204
--- /dev/null
+++ b/mcs/class/corlib/System.IO/UnexceptionalStreamReader.cs
@@ -0,0 +1,149 @@
+//
+// System.IO.UnexceptionalStreamReader.cs
+//
+// Authors:
+//   Dietmar Maurer (dietmar@ximian.com)
+//   Miguel de Icaza (miguel@ximian.com)
+//   Dick Porter (dick@ximian.com)
+//
+// (C) Ximian, Inc.  http://www.ximian.com
+// Copyright (C) 2004 Novell (http://www.novell.com)
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+
+// This is a wrapper around StreamReader used by System.Console that
+// catches IOException so that graphical applications don't suddenly
+// get IO errors when their terminal vanishes.  See
+// UnexceptionalStreamWriter too.
+
+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace System.IO {
+	internal class UnexceptionalStreamReader : StreamReader {
+		public UnexceptionalStreamReader(Stream stream)
+			: base (stream)
+		{
+		}
+
+		public UnexceptionalStreamReader(Stream stream, bool detect_encoding_from_bytemarks)
+			: base (stream, detect_encoding_from_bytemarks)
+		{
+		}
+
+		public UnexceptionalStreamReader(Stream stream, Encoding encoding)
+			: base (stream, encoding)
+		{
+		}
+
+		public UnexceptionalStreamReader(Stream stream, Encoding encoding, bool detect_encoding_from_bytemarks)
+			: base (stream, encoding, detect_encoding_from_bytemarks)
+		{
+		}
+		
+		public UnexceptionalStreamReader(Stream stream, Encoding encoding, bool detect_encoding_from_bytemarks, int buffer_size)
+			: base (stream, encoding, detect_encoding_from_bytemarks, buffer_size)
+		{
+		}
+
+		public UnexceptionalStreamReader(string path)
+			: base (path)
+		{
+		}
+
+		public UnexceptionalStreamReader(string path, bool detect_encoding_from_bytemarks)
+			: base (path, detect_encoding_from_bytemarks)
+		{
+		}
+
+		public UnexceptionalStreamReader(string path, Encoding encoding)
+			: base (path, encoding)
+		{
+		}
+
+		public UnexceptionalStreamReader(string path, Encoding encoding, bool detect_encoding_from_bytemarks)
+			: base (path, encoding, detect_encoding_from_bytemarks)
+		{
+		}
+		
+		public UnexceptionalStreamReader(string path, Encoding encoding, bool detect_encoding_from_bytemarks, int buffer_size)
+			: base (path, encoding, detect_encoding_from_bytemarks, buffer_size)
+		{
+		}
+
+		public override int Peek ()
+		{
+			try {
+				return(base.Peek ());
+			} catch (IOException) {
+			}
+
+			return(-1);
+		}
+
+		public override int Read ()
+		{
+			try {
+				return(base.Read ());
+			} catch (IOException) {
+			}
+
+			return(-1);
+		}
+
+		public override int Read ([In, Out] char[] dest_buffer,
+					  int index, int count)
+		{
+			try {
+				return(base.Read (dest_buffer, index, count));
+			} catch (IOException) {
+			}
+
+			return(0);
+		}
+
+		public override string ReadLine()
+		{
+			try {
+				return(base.ReadLine ());
+			} catch (IOException) {
+			}
+
+			return(null);
+		}
+
+		public override string ReadToEnd()
+		{
+			try {
+				return(base.ReadToEnd ());
+			} catch (IOException) {
+			}
+
+			return(null);
+		}
+	}
+}