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udhcpd: fix printing of static leases

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function                                             old     new   delta
read_staticlease                                     299     282     -17

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2019-05-21 16:06:34 +02:00
parent d8740b265a
commit 831844c139
1 changed files with 13 additions and 27 deletions
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40
networking/udhcp/dhcpd.c
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@ -66,13 +66,14 @@ static void add_static_lease(struct static_lease **st_lease_pp,
struct static_lease *st_lease;
unsigned optlen;
optlen = (opts ? 1+1+strnlen(opts, 120) : 0);
/* Find the tail of the list */
while ((st_lease = *st_lease_pp) != NULL) {
st_lease_pp = &st_lease->next;
}
/* Add new node */
optlen = (opts ? 1+1+strnlen(opts, 120) : 0);
*st_lease_pp = st_lease = xzalloc(sizeof(*st_lease) + optlen);
memcpy(st_lease->mac, mac, 6);
st_lease->nip = nip;
@ -83,6 +84,17 @@ static void add_static_lease(struct static_lease **st_lease_pp,
st_lease->opt[OPT_LEN] = optlen;
memcpy(&st_lease->opt[OPT_DATA], opts, optlen);
}
#if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 2
/* Print out static leases just to check what's going on */
if (dhcp_verbose >= 2) {
bb_info_msg("static lease: mac:%02x:%02x:%02x:%02x:%02x:%02x nip:%x",
st_lease->mac[0], st_lease->mac[1], st_lease->mac[2],
st_lease->mac[3], st_lease->mac[4], st_lease->mac[5],
st_lease->nip
);
}
#endif
}
/* Find static lease IP by mac */
@ -112,30 +124,6 @@ static int is_nip_reserved_as_static(uint32_t nip)
return 0;
}
#if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 2
/* Print out static leases just to check what's going on */
/* Takes the address of the pointer to the static_leases linked list */
static void log_static_leases(struct static_lease **st_lease_pp)
{
struct static_lease *cur;
if (dhcp_verbose < 2)
return;
cur = *st_lease_pp;
while (cur) {
bb_info_msg("static lease: mac:%02x:%02x:%02x:%02x:%02x:%02x nip:%x",
cur->mac[0], cur->mac[1], cur->mac[2],
cur->mac[3], cur->mac[4], cur->mac[5],
cur->nip
);
cur = cur->next;
}
}
#else
# define log_static_leases(st_lease_pp) ((void)0)
#endif
/* Find the oldest expired lease, NULL if there are no expired leases */
static struct dyn_lease *oldest_expired_lease(void)
{
@ -380,8 +368,6 @@ static int FAST_FUNC read_staticlease(const char *const_line, void *arg)
add_static_lease(arg, (uint8_t*) &mac_bytes, nip, opts);
log_static_leases(arg);
return 1;
}