X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Fsocket-util.h;h=b5d1dc3ed45b0bbf7296e6b9a3625b0a9067eb74;hb=3e6d9bb47a4f0f7b717de2691b1b962f65851869;hp=449273d9a2c3d1ccd55b35797544ec647f55a245;hpb=07045a1a92c839fd2af80bd0c060a595021bc3b3;p=elogind.git

diff --git a/src/basic/socket-util.h b/src/basic/socket-util.h
index 449273d9a..b5d1dc3ed 100644
--- a/src/basic/socket-util.h
+++ b/src/basic/socket-util.h
@@ -129,6 +129,8 @@ int ip_tos_to_string_alloc(int i, char **s);
 int ip_tos_from_string(const char *s);
 #endif // 0
 
+bool ifname_valid(const char *p);
+
 int getpeercred(int fd, struct ucred *ucred);
 int getpeersec(int fd, char **ret);
 
@@ -139,7 +141,22 @@ int send_one_fd_sa(int transport_fd,
 #define send_one_fd(transport_fd, fd, flags) send_one_fd_sa(transport_fd, fd, NULL, 0, flags)
 #if 0 /// UNNEEDED by elogind
 int receive_one_fd(int transport_fd, int flags);
+
+ssize_t next_datagram_size_fd(int fd);
+
+int flush_accept(int fd);
 #endif // 0
 
 #define CMSG_FOREACH(cmsg, mh)                                          \
         for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))
+
+/* Covers only file system and abstract AF_UNIX socket addresses, but not unnamed socket addresses. */
+#define SOCKADDR_UN_LEN(sa)                                             \
+        ({                                                              \
+                const struct sockaddr_un *_sa = &(sa);                  \
+                assert(_sa->sun_family == AF_UNIX);                     \
+                offsetof(struct sockaddr_un, sun_path) +                \
+                        (_sa->sun_path[0] == 0 ?                        \
+                         1 + strnlen(_sa->sun_path+1, sizeof(_sa->sun_path)-1) : \
+                         strnlen(_sa->sun_path, sizeof(_sa->sun_path))); \
+        })