diff options
Diffstat (limited to 'src/basic/in-addr-util.c')
| -rw-r--r-- | src/basic/in-addr-util.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/basic/in-addr-util.c b/src/basic/in-addr-util.c index e5a9daeab8..aa7ccd1afd 100644 --- a/src/basic/in-addr-util.c +++ b/src/basic/in-addr-util.c @@ -30,18 +30,26 @@ #include "parse-util.h" #include "util.h" +bool in4_addr_is_null(const struct in_addr *a) { + return a->s_addr == 0; +} + +bool in6_addr_is_null(const struct in6_addr *a) { + return + a->s6_addr32[0] == 0 && + a->s6_addr32[1] == 0 && + a->s6_addr32[2] == 0 && + a->s6_addr32[3] == 0; +} + int in_addr_is_null(int family, const union in_addr_union *u) { assert(u); if (family == AF_INET) - return u->in.s_addr == 0; + return in4_addr_is_null(&u->in); if (family == AF_INET6) - return - u->in6.s6_addr32[0] == 0 && - u->in6.s6_addr32[1] == 0 && - u->in6.s6_addr32[2] == 0 && - u->in6.s6_addr32[3] == 0; + return in6_addr_is_null(&u->in6); return -EAFNOSUPPORT; } |