X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Fsocket-util.c;h=d8006e66ebb38ea1fac1f03b8f399156f1131998;hp=f47a8f04e0399c16233ebad5b9b8481681363e9c;hb=bec293e4bf293b14c95ee93e2f342571d53c5162;hpb=8e672b6af770c75a69b1a026cbfef7f1ff6e598c

diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c
index f47a8f04e..d8006e66e 100644
--- a/src/basic/socket-util.c
+++ b/src/basic/socket-util.c
@@ -441,7 +441,7 @@ const char* socket_address_get_path(const SocketAddress *a) {
 #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;
@@ -1052,3 +1052,17 @@ int flush_accept(int fd) {
         }
 }
 #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;
+}