From 8370eef2bc724b3c08f8665e3caaaae9b75012f7 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Fri, 28 Sep 2012 17:40:38 +0200 Subject: [PATCH] utils.c: add helper function to format mac addresses as strings --- utils.c | 11 +++++++++++ utils.h | 2 ++ 2 files changed, 13 insertions(+) diff --git a/utils.c b/utils.c index 986cee9..14e966a 100644 --- 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); } + +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; +} diff --git a/utils.h b/utils.h index ec22313..048ad8f 100644 --- a/utils.h +++ b/utils.h @@ -114,4 +114,6 @@ unsigned int parse_netmask_string(const char *str, bool v6); bool split_netmask(char *str, unsigned int *netmask, bool v6); int parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask); +char * format_macaddr(uint8_t *mac); + #endif -- 2.30.2