[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ftruncate.c b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ftruncate.c
new file mode 100644
index 0000000..66fbaa5
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ftruncate.c
@@ -0,0 +1,32 @@
+/* Truncate a file. NaCl version.
+ Copyright (C) 2015-2016 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 <unistd.h>
+#include <nacl-interfaces.h>
+
+/* Truncate the file referenced by FD to LENGTH bytes. */
+int
+__ftruncate (int fd, off_t length)
+{
+ return NACL_CALL (__nacl_irt_dev_fdio.ftruncate (fd, length), 0);
+}
+weak_alias (__ftruncate, ftruncate)
+
+/* ftruncate64 is the same as ftruncate. */
+strong_alias (__ftruncate, __ftruncate64)
+weak_alias (__ftruncate64, ftruncate64)