diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/net.h b/include/net.h index d8d187d..11eca1b 100644 --- a/include/net.h +++ b/include/net.h @@ -829,7 +829,13 @@ static inline void net_random_ethaddr(uchar *addr) /* Convert an IP address to a string */ void ip_to_string(struct in_addr x, char *s); -/* Convert a string to ip address */ +/** + * string_to_ip() - Convert a string to ip address + * + * @s: String to conver, in the format format a.b.c.d, where each value is a + * decimal number from 0 to 255 + * @return IP address, or 0 if invalid + */ struct in_addr string_to_ip(const char *s); /* Convert a VLAN id to a string */ @@ -887,4 +893,17 @@ int update_tftp(ulong addr, char *interface, char *devstring); */ void eth_parse_enetaddr(const char *addr, uint8_t *enetaddr); +/** + * env_get_ip() - Convert an environment value to to an ip address + * + * @var: Environment variable to convert. The value of this variable must be + * in the format format a.b.c.d, where each value is a decimal number from + * 0 to 255 + * @return IP address, or 0 if invalid + */ +static inline struct in_addr env_get_ip(char *var) +{ + return string_to_ip(env_get(var)); +} + #endif /* __NET_H__ */ |