45 lines
994 B
C
45 lines
994 B
C
/* $NetBSD: wcsdup.c,v 1.6 2022/03/12 17:31:40 christos Exp $ */
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/*
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* Copyright (C) 2006 Aleksey Cheusov
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee. Permission to modify the code and to distribute modified
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* code is also granted without any restrictions.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: wcsdup.c,v 1.6 2022/03/12 17:31:40 christos Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <wchar.h>
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__weak_alias(wcsdup,_wcsdup)
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wchar_t *
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wcsdup(const wchar_t *str)
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{
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wchar_t *copy;
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size_t len;
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_DIAGASSERT(str != NULL);
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len = wcslen(str) + 1;
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copy = NULL;
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errno = reallocarr(©, len, sizeof(*copy));
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if (errno)
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return NULL;
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return wmemcpy(copy, str, len);
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}
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