#endif // 0
bool socket_ipv6_is_supported(void) {
- if (access("/proc/net/sockstat6", F_OK) != 0)
+ if (access("/proc/net/if_inet6", F_OK) != 0)
return false;
return true;
}
}
#endif // 0
+
+struct cmsghdr* cmsg_find(struct msghdr *mh, int level, int type, socklen_t length) {
+ struct cmsghdr *cmsg;
+
+ assert(mh);
+
+ CMSG_FOREACH(cmsg, mh)
+ if (cmsg->cmsg_level == level &&
+ cmsg->cmsg_type == type &&
+ (length == (socklen_t) -1 || length == cmsg->cmsg_len))
+ return cmsg;
+
+ return NULL;
+}