From 2d59c94b68301e91676aa56dbaff80022e19c6b0 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Sat, 28 Dec 2024 15:18:14 +0100
Subject: [PATCH] [qsort] Here also overflow was possible

---
 src/document/libdom/mapa.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/document/libdom/mapa.c b/src/document/libdom/mapa.c
index c6944d079..e661a9f2e 100644
--- a/src/document/libdom/mapa.c
+++ b/src/document/libdom/mapa.c
@@ -191,7 +191,15 @@ compare_nodes(const void *a, const void *b)
 	void *nodea = ((struct el_node_elem *)a)->node;
 	void *nodeb = ((struct el_node_elem *)b)->node;
 
-	return nodea - nodeb;
+	if (nodea < nodeb) {
+		return -1;
+	}
+
+	if (nodea > nodeb) {
+		return 1;
+	}
+
+	return 0;
 }
 
 int