From 11072bc0dbe4f41ea87839dfed369ddfe7c3864a Mon Sep 17 00:00:00 2001
From: Jordan Peck <jordan.me2@gmail.com>
Date: Sat, 5 Nov 2022 21:39:58 +0000
Subject: [PATCH] Fix crash in NewFromEncodedNodeTree when passing in zero
 length string

---
 CMakeLists.txt         | 2 +-
 src/FastNoise/Base64.h | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f107329d..f2d43ad8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # CMakeList.txt : CMake project for FastNoise2
 cmake_minimum_required(VERSION 3.7.1)
 
-project(FastNoise2 VERSION 0.9.6)
+project(FastNoise2 VERSION 0.9.7)
 set(CMAKE_CXX_STANDARD 17)
 
 message("FastNoise2 Arch: ${CMAKE_SYSTEM_PROCESSOR}") 
diff --git a/src/FastNoise/Base64.h b/src/FastNoise/Base64.h
index 0eef545e..9d7449fa 100644
--- a/src/FastNoise/Base64.h
+++ b/src/FastNoise/Base64.h
@@ -99,9 +99,10 @@ namespace FastNoise
             };
 
             size_t in_len = std::strlen( input );
-            if( in_len % 4 != 0 ) return {};
-
             size_t out_len = in_len / 4 * 3;
+
+            if( out_len == 0 || in_len % 4 != 0 ) return {};
+
             if( input[in_len - 1] == '=' ) out_len--;
             if( input[in_len - 2] == '=' ) out_len--;