errno = 0;
o[i] = strtoul(a, &end, 16);
if (errno != 0 || end == a || (end[0] != ':' && end[0] != 0))
- return (NULL);
+ return NULL;
a = end + 1;
} while (++i != sizeof (o) / sizeof (o[0]) && end[0] != 0);
/* Junk at the end of line */
if (end[0] != 0)
- return (NULL);
+ return NULL;
/* Support the format XX:XX:XX:XX:XX:XX */
if (i == ETHER_ADDR_LEN) {
while (i-- != 0) {
if (o[i] > UINT8_MAX)
- return (NULL);
+ return NULL;
ether_addr.ea_oct[i] = (uint8_t)o[i];
}
/* Support the format XXXX:XXXX:XXXX */
} else if (i == ETHER_ADDR_LEN / 2) {
while (i-- != 0) {
if (o[i] > UINT16_MAX)
- return (NULL);
+ return NULL;
ether_addr.ea_oct[i * 2] = (uint8_t)(o[i] >> 8);
ether_addr.ea_oct[i * 2 + 1] = (uint8_t)(o[i] & 0xff);
}
/* unknown format */
} else
- return (NULL);
+ return NULL;
return (struct ether_addr *)ðer_addr;
}