Add address sorting submodule for use in c-ares wrapper

1 files changed, 65 insertions, 0 deletions

diff --git a/third_party/address_sorting/address_sorting_internal.h b/third_party/address_sorting/address_sorting_internal.h
new file mode 100644
index 0000000000..9712c96599
--- /dev/null
+++ b/third_party/address_sorting/address_sorting_internal.h
@@ -0,0 +1,65 @@
+/*	$NetBSD: getaddrinfo.c,v 1.82 2006/03/25 12:09:40 rpaulo Exp $	*/
+/*	$KAME: getaddrinfo.c,v 1.29 2000/08/31 17:26:57 itojun Exp $	*/
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+/*
+ * This is an adaptation of Android's implementation of RFC 6724
+ * (in Android's getaddrinfo.c). It has some cosmetic differences
+ * from Android's getaddrinfo.c, but Android's getaddrinfo.c was
+ * used as a guide or example of a way to implement the RFC 6724 spec when
+ * this was written.
+ */
+
+#ifndef ADDRESS_SORTING_INTERNAL_H
+#define ADDRESS_SORTING_INTERNAL_H
+
+#if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32)
+#include <winsock2.h>
+#include <ws2tcpip.h>
+// comment to prevent formatter from moving mswock.h upwards
+#include <mswsock.h>
+#define ADDRESS_SORTING_WINDOWS 1
+#else
+/* Workaround for issue described in
+ *
+ * https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1187301 */
+#define _GNU_SOURCE
+#include <netinet/in.h>
+#include <sys/socket.h>
+#define ADDRESS_SORTING_POSIX 1
+#endif
+
+#include "address_sorting.h"
+
+address_sorting_source_addr_factory*
+address_sorting_create_source_addr_factory_for_current_platform();
+
+#endif  // ADDRESS_SORTING_INTERNAL_H