* fhandler_socket.cc (fhandler_socket::send_internal): Just use wmem size if

the length exceeds it.
* net.cc (fdsock): Use 65535 as window size, just like the comment says or we
run into problems with DuplicateHandle.
* path.cc (patch_conv::check): Use set_path to set invalid filename.
* path.h (path_conv::path_conv): Ditto.

winsup/cygwin/path.cc

@@ -968,7 +968,7 @@ virtual_component_retry:
 	{
 	too_long:
 	  error = ENAMETOOLONG;
-	  this->path = cstrdup ("::ENAMETOOLONG::");
+	  set_path ("::ENAMETOOLONG::");
 	  return;
 	}