1 files changed, 57 insertions, 0 deletions
diff --git a/lib/libc/locale/mbsrtowcs.c b/lib/libc/locale/mbsrtowcs.c
new file mode 100644
index 0000000000000..aefbee1c2d09d
--- /dev/null
+++ b/lib/libc/locale/mbsrtowcs.c
@@ -0,0 +1,57 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2002-2004 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include "mblocal.h"
+
+size_t
+mbsrtowcs_l(wchar_t * __restrict dst, const char ** __restrict src, size_t len,
+    mbstate_t * __restrict ps, locale_t locale)
+{
+	FIX_LOCALE(locale);
+	if (ps == NULL)
+		ps = &locale->mbsrtowcs;
+	return (XLOCALE_CTYPE(locale)->__mbsnrtowcs(dst, src, SIZE_T_MAX, len, ps));
+}
+size_t
+mbsrtowcs(wchar_t * __restrict dst, const char ** __restrict src, size_t len,
+    mbstate_t * __restrict ps)
+{
+	return mbsrtowcs_l(dst, src, len, ps, __get_locale());
+}