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/* $NetBSD: wcsdup.c,v 1.6 2022/03/12 17:31:40 christos 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 <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: wcsdup.c,v 1.6 2022/03/12 17:31:40 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <stdlib.h>
#include <assert.h>
#include <errno.h>
#include <wchar.h>
__weak_alias(wcsdup,_wcsdup)
wchar_t *
wcsdup(const wchar_t *str)
{
wchar_t *copy;
size_t len;
_DIAGASSERT(str != NULL);
len = wcslen(str) + 1;
copy = NULL;
errno = reallocarr(©, len, sizeof(*copy));
if (errno)
return NULL;
return wmemcpy(copy, str, len);
}
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