VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp@ 81106

Last change on this file since 81106 was 76553, checked in by vboxsync, 6 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.4 KB
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1/* $Id: RTUtf16PrintHexBytes.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * IPRT - RTUtf16PrintHexBytes.
4 */
5
6/*
7 * Copyright (C) 2009-2019 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/assert.h>
35#include <iprt/errcore.h>
36
37
38RTDECL(int) RTUtf16PrintHexBytes(PRTUTF16 pwszBuf, size_t cwcBuf, void const *pv, size_t cb, uint32_t fFlags)
39{
40 AssertReturn(!(fFlags & ~RTSTRPRINTHEXBYTES_F_UPPER), VERR_INVALID_PARAMETER);
41 AssertPtrReturn(pwszBuf, VERR_INVALID_POINTER);
42 AssertReturn(cb * 2 >= cb, VERR_BUFFER_OVERFLOW);
43 AssertReturn(cwcBuf >= cb * 2 + 1, VERR_BUFFER_OVERFLOW);
44 if (cb)
45 AssertPtrReturn(pv, VERR_INVALID_POINTER);
46
47 static char const s_szHexDigitsLower[17] = "0123456789abcdef";
48 static char const s_szHexDigitsUpper[17] = "0123456789ABCDEF";
49 const char *pszHexDigits = !(fFlags & RTSTRPRINTHEXBYTES_F_UPPER) ? s_szHexDigitsLower : s_szHexDigitsUpper;
50
51 uint8_t const *pb = (uint8_t const *)pv;
52 while (cb-- > 0)
53 {
54 uint8_t b = *pb++;
55 *pwszBuf++ = pszHexDigits[b >> 4];
56 *pwszBuf++ = pszHexDigits[b & 0xf];
57 }
58 *pwszBuf = '\0';
59 return VINF_SUCCESS;
60}
61
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