From c7453695d8567e04a60c8176f74878e58837c8c4 Mon Sep 17 00:00:00 2001
From: Mark Paronyan <markparonian@gmail.com>
Date: Thu, 1 Oct 2026 12:41:46 +0000
Subject: [PATCH] fix: free copy register when realloc fails in handle_editor

---
 dvtm.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dvtm.c b/dvtm.c
index cf48f89..ba295e8 100644
--- a/dvtm.c
+++ b/dvtm.c
@@ -1817,9 +1817,14 @@ handle_editor(Client *c) {
 		copyreg.len += len;
 		if (copyreg.len == copyreg.size) {
 			copyreg.size *= 2;
-			if (!(copyreg.data = realloc(copyreg.data, copyreg.size))) {
+			char *data = realloc(copyreg.data, copyreg.size);
+			if (!data) {
+				free(copyreg.data);
+				copyreg.data = NULL;
 				copyreg.size = 0;
 				copyreg.len = 0;
+			} else {
+				copyreg.data = data;
 			}
 		}
 	}