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net: Add INET_ADDRSTRLEN POSIX define

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POSIX defines INET_ADDRSTRLEN and INET6_ADDRSTRLEN as max sizes of
textual form of IP addresses (including terminating NUL):
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html

We already define INET6_ADDRSTRLEN, so it makes sense to define
INET_ADDRSTRLEN too.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
This commit is contained in:
Paul Sokolovsky 2018-09-07 16:08:29 +03:00 • committed by Jukka Rissanen
commit 5f8d24baca
1 changed files with 4 additions and 0 deletions
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4
include/net/net_ip.h
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@ -179,7 +179,11 @@ struct net_addr {
extern const struct in6_addr in6addr_any;
extern const struct in6_addr in6addr_loopback;
/* Defined by POSIX. INET6_ADDRSTRLEN accounts for mapped IPv4 addresses. */
#define INET_ADDRSTRLEN 16
#define INET6_ADDRSTRLEN 46
/* These are for internal usage of the stack */
#define NET_IPV6_ADDR_LEN sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")
#define NET_IPV4_ADDR_LEN sizeof("xxx.xxx.xxx.xxx")