From: Holger Schemel <info@artsoft.org>
Date: Tue, 27 Feb 2024 19:24:45 +0000 (+0100)
Subject: added checking pointers for hash table iterator
X-Git-Tag: 4.4.0.0-test-1~277
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=6e0e50d52f6c2cd5f1686de23375f46847605ee7;p=rocksndiamonds.git

added checking pointers for hash table iterator
---

diff --git a/src/libgame/hash.c b/src/libgame/hash.c
index 4dd904c9..b3595ad4 100644
--- a/src/libgame/hash.c
+++ b/src/libgame/hash.c
@@ -423,18 +423,24 @@ hashtable_iterator(struct hashtable *h)
 /* key - return the key of the (key, value) pair at the current position */
 
 void *
-hashtable_iterator_key(struct hashtable_itr *i)
+hashtable_iterator_key(struct hashtable_itr *itr)
 {
-  return i->e->k;
+  if (itr == NULL || itr->e == NULL)
+    return NULL;
+
+  return itr->e->k;
 }
 
 /*****************************************************************************/
 /* value - return the value of the (key, value) pair at the current position */
 
 void *
-hashtable_iterator_value(struct hashtable_itr *i)
+hashtable_iterator_value(struct hashtable_itr *itr)
 {
-  return i->e->v;
+  if (itr == NULL || itr->e == NULL)
+    return NULL;
+
+  return itr->e->v;
 }
 
 /*****************************************************************************/