net/*, ...: use AF_LOCAL instead of AF_UNIX

src/client/ClientNew.cxx

@@ -65,7 +65,7 @@ client_new(EventLoop &loop, Partition &partition,
 	assert(fd >= 0);
 
 #ifdef HAVE_LIBWRAP
-	if (address.GetFamily() != AF_UNIX) {
+	if (address.GetFamily() != AF_LOCAL) {
 		// TODO: shall we obtain the program name from argv[0]?
 		const char *progname = "mpd";
 

src/net/AllocatedSocketAddress.cxx

@@ -82,7 +82,7 @@ AllocatedSocketAddress::SetLocal(const char *path) noexcept
 	struct sockaddr_un *sun;
 	SetSize(sizeof(*sun) - sizeof(sun->sun_path) + path_length);
 	sun = (struct sockaddr_un *)address;
-	sun->sun_family = AF_UNIX;
+	sun->sun_family = AF_LOCAL;
 	memcpy(sun->sun_path, path, path_length);
 
 	if (is_abstract)

src/net/ToString.cxx

@@ -116,7 +116,7 @@ std::string
 ToString(SocketAddress address) noexcept
 {
 #ifdef HAVE_UN
-	if (address.GetFamily() == AF_UNIX)
+	if (address.GetFamily() == AF_LOCAL)
 		/* return path of UNIX domain sockets */
 		return LocalAddressToString(*(const sockaddr_un *)address.GetAddress(),
 					    address.GetSize());

src/output/plugins/httpd/HttpdOutputPlugin.cxx

@@ -42,7 +42,7 @@
 #include <errno.h>
 
 #ifdef HAVE_LIBWRAP
-#include <sys/socket.h> /* needed for AF_UNIX */
+#include <sys/socket.h> /* needed for AF_LOCAL */
 #include <tcpd.h>
 #endif
 
@@ -157,7 +157,7 @@ HttpdOutput::OnAccept(int fd, SocketAddress address, gcc_unused int uid)
 	   connected */
 
 #ifdef HAVE_LIBWRAP
-	if (address.GetFamily() != AF_UNIX) {
+	if (address.GetFamily() != AF_LOCAL) {
 		const auto hostaddr = ToString(address);
 		// TODO: shall we obtain the program name from argv[0]?
 		const char *progname = "mpd";