[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/posix/fdopendir.c b/ap/libc/glibc/glibc-2.23/sysdeps/posix/fdopendir.c
new file mode 100644
index 0000000..227174e
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/posix/fdopendir.c
@@ -0,0 +1,52 @@
+/* Copyright (C) 2005-2016 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 <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include <not-cancel.h>
+
+
+DIR *
+__fdopendir (int fd)
+{
+ struct stat64 statbuf;
+
+ if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
+ return NULL;
+ if (__glibc_unlikely (! S_ISDIR (statbuf.st_mode)))
+ {
+ __set_errno (ENOTDIR);
+ return NULL;
+ }
+
+ /* Make sure the descriptor allows for reading. */
+ int flags = __fcntl (fd, F_GETFL);
+ if (__glibc_unlikely (flags == -1))
+ return NULL;
+ if (__glibc_unlikely ((flags & O_ACCMODE) == O_WRONLY))
+ {
+ __set_errno (EINVAL);
+ return NULL;
+ }
+
+ return __alloc_dir (fd, false, flags, &statbuf);
+}
+weak_alias (__fdopendir, fdopendir)