From 4fb47a6a6df7e128e539c2577962272c1ccee80f Mon Sep 17 00:00:00 2001
From: Carlos Sanchez <carlossanchez@geotab.com>
Date: Tue, 15 Apr 2025 19:03:45 +0200
Subject: [PATCH] canutils/slcan: Work with CAN interfaces with names longer
 than 4 characters.

Signed-off-by: Carlos Sanchez <carlossanchez@geotab.com>
---
 canutils/slcan/slcan.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/canutils/slcan/slcan.c b/canutils/slcan/slcan.c
index 84d7a1399..e2759a20c 100644
--- a/canutils/slcan/slcan.c
+++ b/canutils/slcan/slcan.c
@@ -137,8 +137,7 @@ static int caninit(char *candev, int *s, struct sockaddr_can *addr,
       syslog(LOG_ERR, "Error opening CAN socket\n");
       return -1;
     }
-  strncpy(ifr.ifr_name, candev, 4);
-  ifr.ifr_name[4] = '\0';
+  strlcpy(ifr.ifr_name, candev, IFNAMSIZ);
   ifr.ifr_ifindex = if_nametoindex(ifr.ifr_name);
   if (!ifr.ifr_ifindex)
     {