From e53ba08626e432f9ec14a7002a0d3ffd00b93c5d Mon Sep 17 00:00:00 2001
From: Eric Engestrom <eric@engestrom.ch>
Date: Sun, 1 May 2016 13:39:44 +0100
Subject: [PATCH] sway: fix potential buffer overflow

---
 sway/commands.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sway/commands.c b/sway/commands.c
index 79591925..73e9ffaf 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -506,7 +506,8 @@ static struct cmd_results *cmd_exec_always(int argc, char **argv) {
 
 	// Put argument into cmd array
 	char cmd[4096];
-	strcpy(cmd, tmp);
+	strncpy(cmd, tmp, sizeof(cmd));
+	cmd[sizeof(cmd) - 1] = 0;
 	free(tmp);
 	sway_log(L_DEBUG, "Executing %s", cmd);