[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/socket/getsockopt.c b/ap/libc/glibc/glibc-2.23/socket/getsockopt.c
new file mode 100644
index 0000000..1894eca
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/socket/getsockopt.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <sys/socket.h>
+
+/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
+ into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
+ actual length. Returns 0 on success, -1 for errors. */
+int
+getsockopt (int fd, int level, int optname, void *optval, socklen_t *optlen)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (getsockopt)