diff options
Diffstat (limited to 'src/include/socket-utils.h')
| -rw-r--r-- | src/include/socket-utils.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/socket-utils.h b/src/include/socket-utils.h index 156663683047..e1f33aa31763 100644 --- a/src/include/socket-utils.h +++ b/src/include/socket-utils.h @@ -119,6 +119,17 @@ sa_is_inet(struct sockaddr *sa) return sa->sa_family == AF_INET || sa->sa_family == AF_INET6; } +/* Return true if sa is an IPv4 or IPv6 wildcard address. */ +static inline int +sa_is_wildcard(struct sockaddr *sa) +{ + if (sa->sa_family == AF_INET6) + return IN6_IS_ADDR_UNSPECIFIED(&sa2sin6(sa)->sin6_addr); + else if (sa->sa_family == AF_INET) + return sa2sin(sa)->sin_addr.s_addr == INADDR_ANY; + return 0; +} + /* Return the length of an IPv4 or IPv6 socket structure; abort if it is * neither. */ static inline socklen_t |