From f24fdfda12807172b957621e09fd3d2294bdb214 Mon Sep 17 00:00:00 2001
From: job <job@openbsd.org>
Date: Thu, 9 Apr 2026 17:29:04 +0000
Subject: [PATCH] Check cleared memory allocation and free before exit for
 consistency

From Jan Schreiber, input from Patrick Keshishian

OK tb@
---
 usr.bin/watch/watch.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/usr.bin/watch/watch.c b/usr.bin/watch/watch.c
index 1d5f8248fb5..13222480b34 100644
--- a/usr.bin/watch/watch.c
+++ b/usr.bin/watch/watch.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: watch.c,v 1.37 2025/07/09 21:23:28 job Exp $ */
+/*	$OpenBSD: watch.c,v 1.38 2026/04/09 17:29:04 job Exp $ */
 /*
  * Copyright (c) 2025 Job Snijders <job@openbsd.org>
  * Copyright (c) 2000, 2001 Internet Initiative Japan Inc.
@@ -446,7 +446,9 @@ start_child()
 	struct child *child;
 	int fds[2];
 
-	child = calloc(1, sizeof(*child));
+	if ((child = calloc(1, sizeof(*child))) == NULL)
+		err(1, "calloc");
+
 	child->bufsiz = sizeof(child->buf);
 
 	if (pipe(fds) == -1)
@@ -910,6 +912,7 @@ quit(void)
 	refresh();
 	endwin();
 	free(cmdv);
+	free(cmdstr);
 	exit(0);
 }