[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/stdlib/mbstowcs.c b/ap/libc/glibc/glibc-2.23/stdlib/mbstowcs.c
new file mode 100644
index 0000000..735a309
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/mbstowcs.c
@@ -0,0 +1,39 @@
+/* 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 <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+
+/* Convert the string of multibyte characters in S to `wchar_t's in
+ PWCS, writing no more than N. Return the number written,
+ or (size_t) -1 if an invalid multibyte character is encountered.
+
+ Attention: this function should NEVER be intentionally used.
+ The interface is completely stupid. The state is shared between
+ all conversion functions. You should use instead the restartable
+ version `mbsrtowcs'. */
+size_t
+mbstowcs (wchar_t *pwcs, const char *s, size_t n)
+{
+ mbstate_t state;
+
+ memset (&state, '\0', sizeof state);
+ /* Return how many we wrote (or maybe an error). */
+ return __mbsrtowcs (pwcs, &s, n, &state);
+}