[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/hurd/vpprintf.c b/ap/libc/glibc/glibc-2.23/hurd/vpprintf.c
new file mode 100644
index 0000000..9022604
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/hurd/vpprintf.c
@@ -0,0 +1,59 @@
+/* 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 <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <hurd.h>
+
+#include <libioP.h>
+
+static ssize_t
+do_write (void *cookie,	const char *buf, size_t n)
+{
+  error_t error = __io_write ((io_t) cookie, buf, n, -1,
+			      (mach_msg_type_number_t *) &n);
+  if (error)
+    return __hurd_fail (error);
+  return n;
+}
+
+/* Write formatted output to PORT, a Mach port supporting the i/o protocol,
+   according to the format string FORMAT, using the argument list in ARG.  */
+int
+vpprintf (io_t port, const char *format, va_list arg)
+{
+  int done;
+
+  struct locked_FILE
+  {
+    struct _IO_cookie_file cfile;
+#ifdef _IO_MTSAFE_IO
+    _IO_lock_t lock;
+#endif
+  } temp_f;
+#ifdef _IO_MTSAFE_IO
+  temp_f.cfile.__fp.file._lock = &temp_f.lock;
+#endif
+
+  _IO_cookie_init (&temp_f.cfile, _IO_NO_READS,
+		   (void *) port, (cookie_io_functions_t) { write: do_write });
+
+  done = _IO_vfprintf (&temp_f.cfile.__fp.file, format, arg);
+
+  return done;
+}