From 559af1159b485fa1b7361514976da2e0b5e87194 Mon Sep 17 00:00:00 2001
From: Harald Csaszar <harald.csaszar@pixelcloudgames.com>
Date: Tue, 22 Mar 2022 15:17:58 +0100
Subject: [PATCH] [csharp] Minor bugfix of binary 3.8 version fallback reading
 logic.

---
 spine-csharp/src/SkeletonBinary.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/spine-csharp/src/SkeletonBinary.cs b/spine-csharp/src/SkeletonBinary.cs
index b24068643..a4e32116c 100644
--- a/spine-csharp/src/SkeletonBinary.cs
+++ b/spine-csharp/src/SkeletonBinary.cs
@@ -1200,7 +1200,7 @@ namespace Spine {
 					input.Position = initialPosition;
 					return GetVersionStringOld3X();
 				} catch (Exception e) {
-					throw new ArgumentException("Stream does not contain a valid binary Skeleton Data.\n" + e, "input");
+					throw new ArgumentException("Stream does not contain valid binary Skeleton Data.\n" + e, "input");
 				}
 			}
 
@@ -1212,13 +1212,13 @@ namespace Spine {
 
 				// Version.
 				byteCount = ReadInt(true);
-				if (byteCount > 1) {
+				if (byteCount > 1 && byteCount <= 13) {
 					byteCount--;
 					var buffer = new byte[byteCount];
 					ReadFully(buffer, 0, byteCount);
 					return System.Text.Encoding.UTF8.GetString(buffer, 0, byteCount);
 				}
-				return null;
+				throw new ArgumentException("Stream does not contain valid binary Skeleton Data.");
 			}
 		}
 	}