[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/io/linkat.c b/ap/libc/glibc/glibc-2.22/io/linkat.c
new file mode 100644
index 0000000..b999f24
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/io/linkat.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2005-2015 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 <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM relative to FROMFD called TO relative to TOFD. */
+int
+linkat (fromfd, from, tofd, to, flags)
+ int fromfd;
+ const char *from;
+ int tofd;
+ const char *to;
+ int flags;
+{
+ if (from == NULL || to == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
+ || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (linkat)