1 files changed, 8 insertions, 0 deletions
diff --git a/src/Ryujinx.Common/Utilities/FileSystemUtils.cs b/src/Ryujinx.Common/Utilities/FileSystemUtils.cs
index e76c2b60..a57fa8a7 100644
--- a/src/Ryujinx.Common/Utilities/FileSystemUtils.cs
+++ b/src/Ryujinx.Common/Utilities/FileSystemUtils.cs
@@ -1,4 +1,6 @@
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 
 namespace Ryujinx.Common.Utilities
 {
@@ -44,5 +46,11 @@ namespace Ryujinx.Common.Utilities
             CopyDirectory(sourceDir, destinationDir, true);
             Directory.Delete(sourceDir, true);
         }
+
+        public static string SanitizeFileName(string fileName)
+        {
+            var reservedChars = new HashSet<char>(Path.GetInvalidFileNameChars());
+            return string.Concat(fileName.Select(c => reservedChars.Contains(c) ? '_' : c));
+        }
     }
 }