RTStrPrintHexBytes.cpp revision e64031e20c39650a7bc902a3e1aba613b9415dee
/* $Id$ */
/** @file
* IPRT - RTStrPrintHexBytes.
*/
/*
* Copyright (C) 2009 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "internal/iprt.h"
#include <iprt/string.h>
#include <iprt/assert.h>
#include <iprt/err.h>
RTDECL(int) RTStrPrintHexBytes(char *pszBuf, size_t cchBuf, void const *pv, size_t cb, uint32_t fFlags)
{
AssertReturn(!fFlags, VERR_INVALID_PARAMETER);
AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
AssertReturn(cb * 2 >= cb, VERR_BUFFER_OVERFLOW);
AssertReturn(cchBuf >= cb * 2 + 1, VERR_BUFFER_OVERFLOW);
if (cb)
AssertPtrReturn(pv, VERR_INVALID_POINTER);
uint8_t const *pb = (uint8_t const *)pv;
while (cb-- > 0)
{
static char const s_szHexDigits[17] = "0123456789abcdef";
uint8_t b = *pb++;
*pszBuf++ = s_szHexDigits[b >> 4];
*pszBuf++ = s_szHexDigits[b & 0xf];
}
*pszBuf = '\0';
return VINF_SUCCESS;
}