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/* $Id: strformatnum.cpp $ */
/** @file
* IPRT - String Formatter, Single Numbers.
*/
/*
* Copyright (C) 2010-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP RTLOGGROUP_STRING
#include <iprt/string.h>
#include "internal/iprt.h"
#include <iprt/errcore.h>
#include "internal/string.h"
RTDECL(ssize_t) RTStrFormatU8(char *pszBuf, size_t cbBuf, uint8_t u8Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_8BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet < cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU16(char *pszBuf, size_t cbBuf, uint16_t u16Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_16BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet < cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU32(char *pszBuf, size_t cbBuf, uint32_t u32Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_32BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet < cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU64(char *pszBuf, size_t cbBuf, uint64_t u64Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_64BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet < cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU128(char *pszBuf, size_t cbBuf, PCRTUINT128U pu128, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
NOREF(cchWidth); NOREF(cchPrecision);
if (uiBase != 16)
fFlags |= RTSTR_F_SPECIAL;
fFlags &= ~RTSTR_F_BIT_MASK;
char szTmp[64+32+32+32];
char *pszTmp = cbBuf >= sizeof(szTmp) ? pszBuf : szTmp;
size_t cchResult = RTStrFormatNumber(pszTmp, pu128->QWords.qw1, 16, 0, 0, fFlags | RTSTR_F_64BIT);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu128->QWords.qw0, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
if (pszTmp == pszBuf)
return cchResult;
int rc = RTStrCopy(pszBuf, cbBuf, pszTmp);
if (RT_SUCCESS(rc))
return cchResult;
return rc;
}
RTDECL(ssize_t) RTStrFormatU256(char *pszBuf, size_t cbBuf, PCRTUINT256U pu256, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
NOREF(cchWidth); NOREF(cchPrecision);
if (uiBase != 16)
fFlags |= RTSTR_F_SPECIAL;
fFlags &= ~RTSTR_F_BIT_MASK;
char szTmp[64+32+32+32];
char *pszTmp = cbBuf >= sizeof(szTmp) ? pszBuf : szTmp;
size_t cchResult = RTStrFormatNumber(pszTmp, pu256->QWords.qw3, 16, 0, 0, fFlags | RTSTR_F_64BIT);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu256->QWords.qw2, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu256->QWords.qw1, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu256->QWords.qw0, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
if (pszTmp == pszBuf)
return cchResult;
int rc = RTStrCopy(pszBuf, cbBuf, pszTmp);
if (RT_SUCCESS(rc))
return cchResult;
return rc;
}
RTDECL(ssize_t) RTStrFormatU512(char *pszBuf, size_t cbBuf, PCRTUINT512U pu512, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
NOREF(cchWidth); NOREF(cchPrecision);
if (uiBase != 16)
fFlags |= RTSTR_F_SPECIAL;
fFlags &= ~RTSTR_F_BIT_MASK;
char szTmp[64+32+32+32 + 32+32+32+32];
char *pszTmp = cbBuf >= sizeof(szTmp) ? pszBuf : szTmp;
size_t cchResult = RTStrFormatNumber(pszTmp, pu512->QWords.qw7, 16, 0, 0, fFlags | RTSTR_F_64BIT);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw6, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw5, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw4, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw3, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw2, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw1, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
cchResult += RTStrFormatNumber(&pszTmp[cchResult], pu512->QWords.qw0, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
if (pszTmp == pszBuf)
return cchResult;
int rc = RTStrCopy(pszBuf, cbBuf, pszTmp);
if (RT_SUCCESS(rc))
return cchResult;
return rc;
}
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