Fix potential core dumped for strrchr (#546)

DaveGamble · Dec 31, 2020 · 6ea4c01 · 6ea4c01
1 parent 9226e4e
commit 6ea4c01
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cJSON_Utils.c b/cJSON_Utils.c
@@ -960,7 +960,9 @@ static int apply_patch(cJSON *object, const cJSON *patch, const cJSON_bool case_
 
     /* split pointer in parent and child */
     parent_pointer = cJSONUtils_strdup((unsigned char*)path->valuestring);
-    child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/');
+    if (parent_pointer) {
+        child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/');
+    }
     if (child_pointer != NULL)
     {
         child_pointer[0] = '\0';