[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/wcsmbs/wcstok.c b/ap/libc/glibc/glibc-2.23/wcsmbs/wcstok.c
new file mode 100644
index 0000000..74de78c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/wcsmbs/wcstok.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+
+ 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 <wchar.h>
+#include <errno.h>
+
+
+/* Parse WCS into tokens separated by characters in DELIM. If WCS is
+ NULL, the last string wcstok() was called with is used. */
+wchar_t *
+wcstok (wchar_t *wcs, const wchar_t *delim, wchar_t **save_ptr)
+{
+ wchar_t *result;
+
+ if (wcs == NULL)
+ {
+ if (*save_ptr == NULL)
+ {
+ __set_errno (EINVAL);
+ return NULL;
+ }
+ else
+ wcs = *save_ptr;
+ }
+
+ /* Scan leading delimiters. */
+ wcs += wcsspn (wcs, delim);
+ if (*wcs == L'\0')
+ {
+ *save_ptr = NULL;
+ return NULL;
+ }
+
+ /* Find the end of the token. */
+ result = wcs;
+ wcs = wcspbrk (result, delim);
+ if (wcs == NULL)
+ /* This token finishes the string. */
+ *save_ptr = NULL;
+ else
+ {
+ /* Terminate the token and make *SAVE_PTR point past it. */
+ *wcs = L'\0';
+ *save_ptr = wcs + 1;
+ }
+ return result;
+}