diff options
| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2022-10-04 12:38:49 +0200 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2022-10-04 16:30:32 +0200 |
| commit | 3b3955b203f6408bf20eef47b445eb1df5e099af (patch) | |
| tree | c8af236900f4cc76b0687c4e1687bb32796c3d8b /src/socket.c | |
| parent | 3c12f557bd439eb13a33c6c4099a762512623c35 (diff) | |
socket: Introduce API osmo_sockaddr_is_any
Change-Id: I2810a889fc14052d0e0be6a2b500ad4e5088ffa9
Diffstat (limited to 'src/socket.c')
| -rw-r--r-- | src/socket.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/socket.c b/src/socket.c index 4605db4c..3d945e75 100644 --- a/src/socket.c +++ b/src/socket.c @@ -1175,6 +1175,26 @@ int osmo_sockaddr_is_local(struct sockaddr *addr, unsigned int addrlen) return 0; } +/*! Determine if the given address is an ANY address ("0.0.0.0", "::"). Port is not checked. + * \param[in] addr Socket Address + * \param[in] addrlen Length of socket address in bytes + * \returns 1 if address is ANY, 0 otherwise. -1 is address family not supported/detected. + */ +int osmo_sockaddr_is_any(const struct osmo_sockaddr *addr) +{ + switch (addr->u.sa.sa_family) { + case AF_INET6: { + struct in6_addr ip6_any = IN6ADDR_ANY_INIT; + return memcmp(&addr->u.sin6.sin6_addr, + &ip6_any, sizeof(ip6_any)) == 0; + } + case AF_INET: + return addr->u.sin.sin_addr.s_addr == INADDR_ANY; + default: + return -1; + } +} + /*! Convert sockaddr_in to IP address as char string and port as uint16_t. * \param[out] addr String buffer to write IP address to, or NULL. * \param[out] addr_len Size of \a addr. |