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netutils/dhcpc:fix dhcp hostname len error in dhcpc_sendmsg

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Signed-off-by: 田昕 <tianxin7@xiaomi.com>
This commit is contained in:
田昕 2023-01-10 20:10:52 +08:00 committed by Xiang Xiao
parent efdc1ebf3f
commit 2b2c4805a4
1 changed files with 2 additions and 2 deletions
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4
netutils/dhcpc/dhcpc.c
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@ -231,7 +231,7 @@ static FAR uint8_t *dhcpc_addend(FAR uint8_t *optptr)
static int dhcpc_sendmsg(FAR struct dhcpc_state_s *pdhcpc,
FAR struct dhcpc_state *presult, int msgtype)
{
char hostname[HOST_NAME_MAX];
char hostname[HOST_NAME_MAX + 1];
struct sockaddr_in addr;
FAR uint8_t *pend;
in_addr_t serverid = INADDR_BROADCAST;
@ -257,7 +257,7 @@ static int dhcpc_sendmsg(FAR struct dhcpc_state_s *pdhcpc,
if (gethostname(hostname, sizeof(hostname)) || (0 == strlen(hostname)))
{
strncpy(hostname, CONFIG_NETUTILS_DHCPC_HOST_NAME, HOST_NAME_MAX);
strlcpy(hostname, CONFIG_NETUTILS_DHCPC_HOST_NAME, sizeof(hostname));
}
/* Handle the message specific settings */