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utils.c: add helper function to format mac addresses as strings
[project/netifd.git]
/
utils.c
diff --git
a/utils.c
b/utils.c
index
986cee9
..
14e966a
100644
(file)
--- a/
utils.c
+++ b/
utils.c
@@
-129,3
+129,14
@@
parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask)
return inet_pton(af, astr, addr);
}
return inet_pton(af, astr, addr);
}
+
+char *
+format_macaddr(uint8_t *mac)
+{
+ static char str[sizeof("ff:ff:ff:ff:ff:ff ")];
+
+ snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+ return str;
+}