[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/wcsmbs/wcsrtombs.c b/ap/libc/glibc/glibc-2.23/wcsmbs/wcsrtombs.c
new file mode 100644
index 0000000..e22cc04
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/wcsmbs/wcsrtombs.c
@@ -0,0 +1,145 @@
+/* Copyright (C) 1996-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
+
+ 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 <assert.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <gconv.h>
+#include <wchar.h>
+#include <wcsmbsload.h>
+
+#include <sysdep.h>
+
+#ifndef EILSEQ
+# define EILSEQ EINVAL
+#endif
+
+
+/* This is the private state used if PS is NULL. */
+static mbstate_t state;
+
+size_t
+__wcsrtombs (char *dst, const wchar_t **src, size_t len, mbstate_t *ps)
+{
+ struct __gconv_step_data data;
+ int status;
+ size_t result;
+ struct __gconv_step *tomb;
+ const struct gconv_fcts *fcts;
+
+ /* Tell where we want the result. */
+ data.__invocation_counter = 0;
+ data.__internal_use = 1;
+ data.__flags = __GCONV_IS_LAST;
+ data.__statep = ps ?: &state;
+
+ /* Get the conversion functions. */
+ fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE));
+
+ /* Get the structure with the function pointers. */
+ tomb = fcts->tomb;
+ __gconv_fct fct = tomb->__fct;
+#ifdef PTR_DEMANGLE
+ if (tomb->__shlib_handle != NULL)
+ PTR_DEMANGLE (fct);
+#endif
+
+ /* We have to handle DST == NULL special. */
+ if (dst == NULL)
+ {
+ mbstate_t temp_state;
+ unsigned char buf[256]; /* Just an arbitrary value. */
+ const wchar_t *srcend = *src + __wcslen (*src) + 1;
+ const unsigned char *inbuf = (const unsigned char *) *src;
+ size_t dummy;
+
+ temp_state = *data.__statep;
+ data.__statep = &temp_state;
+
+ result = 0;
+ data.__outbufend = buf + sizeof (buf);
+
+ do
+ {
+ data.__outbuf = buf;
+
+ status = DL_CALL_FCT (fct, (tomb, &data, &inbuf,
+ (const unsigned char *) srcend, NULL,
+ &dummy, 0, 1));
+
+ /* Count the number of bytes. */
+ result += data.__outbuf - buf;
+ }
+ while (status == __GCONV_FULL_OUTPUT);
+
+ if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
+ {
+ /* There better should be a NUL byte at the end. */
+ assert (data.__outbuf[-1] == '\0');
+ /* Don't count the NUL character in. */
+ --result;
+ }
+ }
+ else
+ {
+ /* This code is based on the safe assumption that all internal
+ multi-byte encodings use the NUL byte only to mark the end
+ of the string. */
+ const wchar_t *srcend = *src + __wcsnlen (*src, len) + 1;
+ size_t dummy;
+
+ data.__outbuf = (unsigned char *) dst;
+ data.__outbufend = (unsigned char *) dst + len;
+
+ status = DL_CALL_FCT (fct, (tomb, &data, (const unsigned char **) src,
+ (const unsigned char *) srcend, NULL,
+ &dummy, 0, 1));
+
+ /* Count the number of bytes. */
+ result = data.__outbuf - (unsigned char *) dst;
+
+ /* We have to determine whether the last character converted
+ is the NUL character. */
+ if ((status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
+ && data.__outbuf[-1] == '\0')
+ {
+ assert (data.__outbuf != (unsigned char *) dst);
+ assert (__mbsinit (data.__statep));
+ *src = NULL;
+ --result;
+ }
+ }
+
+ /* There must not be any problems with the conversion but illegal input
+ characters. */
+ assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
+ || status == __GCONV_ILLEGAL_INPUT
+ || status == __GCONV_INCOMPLETE_INPUT
+ || status == __GCONV_FULL_OUTPUT);
+
+ if (status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
+ && status != __GCONV_EMPTY_INPUT)
+ {
+ result = (size_t) -1;
+ __set_errno (EILSEQ);
+ }
+
+ return result;
+}
+weak_alias (__wcsrtombs, wcsrtombs)