From ac7f1ff7ebe44dcb672a35b595a41f9b462bf300 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Sun, 3 Aug 2014 15:51:08 +0000
Subject: [PATCH] When saving the config file - check if the file is read-only
 first, if it is, don't try to save

---
 BizHawk.Client.Common/config/ConfigService.cs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/BizHawk.Client.Common/config/ConfigService.cs b/BizHawk.Client.Common/config/ConfigService.cs
index 937077dcda..425a1a2ef7 100644
--- a/BizHawk.Client.Common/config/ConfigService.cs
+++ b/BizHawk.Client.Common/config/ConfigService.cs
@@ -59,10 +59,13 @@ namespace BizHawk.Client.Common
 		public static void Save(string filepath, object config)
 		{
 			var file = new FileInfo(filepath);
-			using (var writer = file.CreateText())
+			if (file.Exists && !file.IsReadOnly)
 			{
-				var w = new JsonTextWriter(writer) { Formatting = Formatting.Indented };
-				Serializer.Serialize(w, config);
+				using (var writer = file.CreateText())
+				{
+					var w = new JsonTextWriter(writer) { Formatting = Formatting.Indented };
+					Serializer.Serialize(w, config);
+				}
 			}
 		}