From 859ee51b344f95d37cdce8dafde45b83ba2642c5 Mon Sep 17 00:00:00 2001
From: Thomas von Dein <tom@vondein.org>
Date: Fri, 21 Nov 2025 21:59:39 +0100
Subject: [PATCH] fix padding bug

---
 engine.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/engine.cc b/engine.cc
index 74b65a3..40845de 100644
--- a/engine.cc
+++ b/engine.cc
@@ -334,6 +334,7 @@ void Engine::regexp() {
 
               char *part = (char *)malloc(substring_length+1);
               part = strncpy(part, (char *)substring_start, substring_length);
+              part[substring_length] = '\0';
 
               subs[i-1] = part;
               free(part);