VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/string/RTUtf16CopyEx.cpp@ 95685

Last change on this file since 95685 was 93115, checked in by vboxsync, 3 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.0 KB
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1/* $Id: RTUtf16CopyEx.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * IPRT - RTUtf16CopyEx.
4 */
5
6/*
7 * Copyright (C) 2010-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include <iprt/utf16.h>
32#include "internal/iprt.h"
33
34#include <iprt/errcore.h>
35
36
37RTDECL(int) RTUtf16CopyEx(PRTUTF16 pwszDst, size_t cwcDst, PCRTUTF16 pwszSrc, size_t cwcSrcMax)
38{
39 size_t cwcSrc = RTUtf16NLen(pwszSrc, cwcSrcMax);
40 if (RT_LIKELY(cwcSrc < cwcDst))
41 {
42 memcpy(pwszDst, pwszSrc, cwcSrc * sizeof(RTUTF16));
43 pwszDst[cwcSrc] = '\0';
44 return VINF_SUCCESS;
45 }
46
47 if (cwcDst != 0)
48 {
49 memcpy(pwszDst, pwszSrc, (cwcDst - 1) * sizeof(RTUTF16));
50 pwszDst[cwcDst - 1] = '\0';
51 }
52 return VERR_BUFFER_OVERFLOW;
53}
54RT_EXPORT_SYMBOL(RTUtf16CopyEx);
55
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