From c61a87634c452ae09aef3a1b68b50f404cdab3ed Mon Sep 17 00:00:00 2001
From: Partho <moroseui@gmail.com>
Date: Mon, 31 Mar 2025 20:31:53 -0400
Subject: [PATCH] fixed NULL check from getNextEntry

---
 src/symbol_table.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/symbol_table.c b/src/symbol_table.c
index 6421002..a4cee49 100644
--- a/src/symbol_table.c
+++ b/src/symbol_table.c
@@ -1221,7 +1221,17 @@ ListOfTable *getRestOfChildren(ListOfTable *lt) { return lt->next; }
 TableNode *getFirstEntry(SymbolTable *st) { return st->entries; }
 
 // Segfaults when passed an invalid table node!
-TableNode *getNextEntry(TableNode *tn) { return tn; }
+TableNode *getNextEntry(TableNode *tn) {
+                if (tn == NULL) {
+                printdebug("passed a NULL table node to getNextEntry");
+                return undefined;
+                }
+                if (tn == undefined) {
+                printdebug("passed an undefined table node to getNextEntry");
+                return undefined;
+                }
+                return tn->next; 
+        }
 
 
 // uncomment the below main function along with the headers above for a simple