From 8550f3141c0b6ebe7edb70e0f8b039111da94cdb Mon Sep 17 00:00:00 2001
From: Kayne Ruse <kayneruse@gmail.com>
Date: Thu, 8 Sep 2022 04:43:39 +1000
Subject: [PATCH] Fixed bounds error

---
 source/lib_builtin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/lib_builtin.c b/source/lib_builtin.c
index f3ca621..151f11a 100644
--- a/source/lib_builtin.c
+++ b/source/lib_builtin.c
@@ -737,7 +737,7 @@ int _index(Interpreter* interpreter, LiteralArray* arguments) {
 
 			//copy compound into result
 			int resultIndex = 0;
-			for (int i = min; i >= lower && i <= AS_INTEGER(second); i += AS_INTEGER(third)) {
+			for (int i = min; i >= 0 && i >= lower && i <= AS_INTEGER(second); i += AS_INTEGER(third)) {
 				result[ resultIndex++ ] = AS_STRING(compound)[ i ];
 			}