From f6009bbde14a3f26d4b86289863283c2eb7e71f1 Mon Sep 17 00:00:00 2001
From: Gabriel Burt <gabriel.burt@gmail.com>
Date: Mon, 18 Jan 2010 09:36:53 +0100
Subject: [PATCH] gio: Implement GioStream.SetLength

---
 gio/GioStream.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gio/GioStream.cs b/gio/GioStream.cs
index 259d9d5f3..631549244 100644
--- a/gio/GioStream.cs
+++ b/gio/GioStream.cs
@@ -218,9 +218,16 @@ public override void SetLength (long value)
 		{
 			if (!CanSeek || !CanWrite)
 				throw new NotSupportedException ("This stream doesn't support seeking");
+
+			var seekable = stream as Seekable;
+
+			if (!seekable.CanTruncate ())
+				throw new NotSupportedException ("This stream doesn't support truncating");
+
 			if (is_disposed)
 				throw new ObjectDisposedException ("The stream is closed");
-			throw new NotImplementedException ();
+
+			seekable.Truncate (value, null);
 		}
 
 		public override void Close ()