root/lib/libc/string/wcsdup.c
/*      $OpenBSD: wcsdup.c,v 1.3 2015/09/12 16:23:14 guenther Exp $     */
/*      $NetBSD: wcsdup.c,v 1.3 2008/05/26 13:17:48 haad Exp $  */

/*
 * Copyright (C) 2006 Aleksey Cheusov
 *
 * This material is provided "as is", with absolutely no warranty expressed
 * or implied. Any use is at your own risk.
 *
 * Permission to use or copy this software for any purpose is hereby granted
 * without fee. Permission to modify the code and to distribute modified
 * code is also granted without any restrictions.
 */

#include <stdlib.h>
#include <wchar.h>

wchar_t *
wcsdup(const wchar_t *str)
{
        wchar_t *copy;
        size_t len;

        len = wcslen(str) + 1;
        copy = reallocarray(NULL, len, sizeof(wchar_t));

        if (!copy)
                return (NULL);

        return (wmemcpy(copy, str, len));
}
DEF_WEAK(wcsdup);