[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/wcsmbs/wcscasecmp.c b/ap/libc/glibc/glibc-2.23/wcsmbs/wcscasecmp.c
new file mode 100644
index 0000000..dee604a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/wcsmbs/wcscasecmp.c
@@ -0,0 +1,67 @@
+/* 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/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <wctype.h>
+#include <wchar.h>
+
+#ifndef weak_alias
+# define __wcscasecmp wcscasecmp
+# define TOLOWER(Ch) towlower (Ch)
+#else
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define __wcscasecmp __wcscasecmp_l
+# define TOLOWER(Ch) __towlower_l ((Ch), loc)
+# else
+# define TOLOWER(Ch) towlower (Ch)
+# endif
+#endif
+
+#ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define LOCALE_PARAM , __locale_t loc
+#else
+# define LOCALE_PARAM
+#endif
+
+/* Compare S1 and S2, ignoring case, returning less than, equal to or
+ greater than zero if S1 is lexicographically less than,
+ equal to or greater than S2. */
+int
+__wcscasecmp (const wchar_t *s1, const wchar_t *s2 LOCALE_PARAM)
+{
+ wint_t c1, c2;
+
+ if (s1 == s2)
+ return 0;
+
+ do
+ {
+ c1 = TOLOWER (*s1++);
+ c2 = TOLOWER (*s2++);
+ if (c1 == L'\0')
+ break;
+ }
+ while (c1 == c2);
+
+ return c1 - c2;
+}
+#ifndef __wcscasecmp
+weak_alias (__wcscasecmp, wcscasecmp)
+#endif