From f26b55e8bec3f08450aec2bfd2a00e147e5821cc Mon Sep 17 00:00:00 2001
From: Ethan Lee <flibitijibibo@gmail.com>
Date: Wed, 27 Jun 2018 14:45:19 -0400
Subject: [PATCH] stackalloc for UTF8_ToManaged

---
 src/SDL2.cs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/SDL2.cs b/src/SDL2.cs
index cde4e27..faf01bf 100644
--- a/src/SDL2.cs
+++ b/src/SDL2.cs
@@ -89,9 +89,10 @@ namespace SDL2
 			);
 #else
 			/* Old C# requires an extra memcpy, bleh! */
-			byte[] bytes = new byte[ptr - (byte*) s];
-			Marshal.Copy(s, bytes, 0, bytes.Length);
-			string result = System.Text.Encoding.UTF8.GetString(bytes);
+			int len = (int) (ptr - (byte*) s);
+			char* chars = stackalloc char[len];
+			System.Text.Encoding.UTF8.GetChars((byte*) s, len, chars, len);
+			string result = new string(chars);
 #endif
 
 			/* Some SDL functions will malloc, we have to free! */