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canutils/slcan: Work with CAN interfaces with names longer than 4 characters.

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Signed-off-by: Carlos Sanchez <carlossanchez@geotab.com>
This commit is contained in:
Carlos Sanchez 2025-04-15 19:03:45 +02:00 • committed by Xiang Xiao
parent 5585c9d347
commit 4fb47a6a6d
1 changed files with 1 additions and 2 deletions
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3
canutils/slcan/slcan.c
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@ -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)
{