strformatnum.cpp revision 4e47bb772df0d04d1ded3e06354de547d52e2d06
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync/* $Id$ */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync/** @file
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * IPRT - String Formatter, Single Numbers.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync/*
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * Copyright (C) 2010 Oracle Corporation
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * available from http://www.virtualbox.org. This file is free software;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * you can redistribute it and/or modify it under the terms of the GNU
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync * General Public License (GPL) as published by the Free Software
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * The contents of this file may alternatively be used under the terms
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * of the Common Development and Distribution License Version 1.0
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * VirtualBox OSE distribution, in which case the provisions of the
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * CDDL are applicable instead of those of the GPL.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * You may elect to license modified versions of this file under the
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * terms and conditions of either the GPL or the CDDL or both.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync/*******************************************************************************
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync* Header Files *
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync*******************************************************************************/
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#define LOG_GROUP RTLOGGROUP_STRING
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync#include <iprt/string.h>
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#include "internal/iprt.h"
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync#include <iprt/assert.h>
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync#include "internal/string.h"
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsyncRTDECL(ssize_t) RTStrFormatU8(char *pszBuf, size_t cbBuf, uint8_t u8Value, unsigned int uiBase,
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync fFlags &= ~RTSTR_F_BIT_MASK;
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync fFlags |= RTSTR_F_8BIT;
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync ssize_t cchRet;
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync if (cbBuf >= 64)
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync cchRet = RTStrFormatNumber(pszBuf, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync else
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync char szTmp[64];
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync cchRet = RTStrFormatNumber(szTmp, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if ((size_t)cchRet <= cbBuf)
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync memcpy(pszBuf, szTmp, cchRet + 1);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync if (cbBuf)
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync {
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync memcpy(pszBuf, szTmp, cbBuf - 1);
553fe7e9c0f2700c19c346eec835ee7f29e2f89evboxsync pszBuf[cbBuf - 1] = '\0';
553fe7e9c0f2700c19c346eec835ee7f29e2f89evboxsync }
553fe7e9c0f2700c19c346eec835ee7f29e2f89evboxsync cchRet = VERR_BUFFER_OVERFLOW;
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync }
83f490cd5eec4567f8ee5c9e481f9d9c739b3061vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync return cchRet;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncRTDECL(ssize_t) RTStrFormatU16(char *pszBuf, size_t cbBuf, uint16_t u16Value, unsigned int uiBase,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync fFlags &= ~RTSTR_F_BIT_MASK;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync fFlags |= RTSTR_F_16BIT;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync ssize_t cchRet;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (cbBuf >= 64)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync cchRet = RTStrFormatNumber(pszBuf, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync char szTmp[64];
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync cchRet = RTStrFormatNumber(szTmp, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if ((size_t)cchRet <= cbBuf)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync memcpy(pszBuf, szTmp, cchRet + 1);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (cbBuf)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync memcpy(pszBuf, szTmp, cbBuf - 1);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync pszBuf[cbBuf - 1] = '\0';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync cchRet = VERR_BUFFER_OVERFLOW;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync return cchRet;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync}
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncRTDECL(ssize_t) RTStrFormatU32(char *pszBuf, size_t cbBuf, uint32_t u32Value, unsigned int uiBase,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync{
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync fFlags &= ~RTSTR_F_BIT_MASK;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync fFlags |= RTSTR_F_32BIT;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync ssize_t cchRet;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (cbBuf >= 64)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = RTStrFormatNumber(pszBuf, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync else
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync char szTmp[64];
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = RTStrFormatNumber(szTmp, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if ((size_t)cchRet <= cbBuf)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync memcpy(pszBuf, szTmp, cchRet + 1);
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync else
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if (cbBuf)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync memcpy(pszBuf, szTmp, cbBuf - 1);
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync pszBuf[cbBuf - 1] = '\0';
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = VERR_BUFFER_OVERFLOW;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync return cchRet;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync}
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsyncRTDECL(ssize_t) RTStrFormatU64(char *pszBuf, size_t cbBuf, uint64_t u64Value, unsigned int uiBase,
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync{
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync fFlags &= ~RTSTR_F_BIT_MASK;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync fFlags |= RTSTR_F_64BIT;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync ssize_t cchRet;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if (cbBuf >= 64)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = RTStrFormatNumber(pszBuf, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync else
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync char szTmp[64];
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = RTStrFormatNumber(szTmp, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if ((size_t)cchRet <= cbBuf)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync memcpy(pszBuf, szTmp, cchRet + 1);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync else
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (cbBuf)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync {
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync memcpy(pszBuf, szTmp, cbBuf - 1);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync pszBuf[cbBuf - 1] = '\0';
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync cchRet = VERR_BUFFER_OVERFLOW;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync }
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync return cchRet;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync}
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsyncRTDECL(ssize_t) RTStrFormatU128(char *pszBuf, size_t cbBuf, PCRTUINT128U pu128, unsigned int uiBase,
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync{
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync NOREF(cchWidth); NOREF(cchPrecision);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if (uiBase != 16)
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync fFlags |= RTSTR_F_SPECIAL;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync fFlags &= ~RTSTR_F_BIT_MASK;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync char szTmp[64+32];
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync size_t cchFirst = RTStrFormatNumber(szTmp, pu128->s.Hi, 16, 0, 0, fFlags | RTSTR_F_64BIT);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync size_t cchSecond = RTStrFormatNumber(&szTmp[cchFirst], pu128->s.Lo, 16, 8, 0,
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync (fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
e4dec40ee9c070be42661febd9ae047056007ec5vboxsync int rc = RTStrCopy(pszBuf, cbBuf, szTmp);
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync if (RT_FAILURE(rc))
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync return rc;
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync return cchFirst + cchSecond;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsyncRTDECL(ssize_t) RTStrFormatR80u2(char *pszBuf, size_t cbBuf, PCRTFLOAT80U2 pr80Value, signed int cchWidth,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync signed int cchPrecision, uint32_t fFlags)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync char szTmp[160];
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync char *pszTmp = szTmp;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (pr80Value->s.fSign)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = '-';
fd1325ef1bcafe67ea3535c82bb7c556482d868cvboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = '+';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (pr80Value->s.uExponent == 0)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if ( !pr80Value->sj64.u63Fraction
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync && pr80Value->sj64.fInteger)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = '0';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync /* else: Denormal, handled way below. */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else if (pr80Value->sj64.uExponent == UINT16_C(0x7fff))
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync /** @todo Figure out Pseudo inf/nan... */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (pr80Value->sj64.fInteger)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'P';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (pr80Value->sj64.u63Fraction == 0)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'I';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'n';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'f';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'N';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'a';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'N';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (pszTmp != &szTmp[1])
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp = '\0';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = pr80Value->sj64.fInteger ? '1' : '0';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'm';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync pszTmp += RTStrFormatNumber(pszTmp, pr80Value->sj64.u63Fraction, 16, 2+16, 0,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync RTSTR_F_SPECIAL | RTSTR_F_ZEROPAD | RTSTR_F_64BIT);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *pszTmp++ = 'e';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync pszTmp += RTStrFormatNumber(pszTmp, (int32_t)pr80Value->sj64.uExponent - 16383, 10, 0, 0,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync RTSTR_F_ZEROPAD | RTSTR_F_32BIT | RTSTR_F_VALSIGNED);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync /*
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * Copy out the result.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync ssize_t cchRet = pszTmp - &szTmp[0];
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if ((size_t)cchRet <= cbBuf)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync memcpy(pszBuf, szTmp, cchRet + 1);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync else
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync if (cbBuf)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync {
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync memcpy(pszBuf, szTmp, cbBuf - 1);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync pszBuf[cbBuf - 1] = '\0';
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync cchRet = VERR_BUFFER_OVERFLOW;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync }
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync return cchRet;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncRTDECL(ssize_t) RTStrFormatR80(char *pszBuf, size_t cbBuf, PCRTFLOAT80U pr80Value, signed int cchWidth,
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync signed int cchPrecision, uint32_t fFlags)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync RTFLOAT80U2 r80ValueU2;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync RT_ZERO(r80ValueU2);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync r80ValueU2.s.fSign = pr80Value->s.fSign;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync r80ValueU2.s.uExponent = pr80Value->s.uExponent;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync r80ValueU2.s.u64Mantissa = pr80Value->s.u64Mantissa;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync return RTStrFormatR80u2(pszBuf, cbBuf, &r80ValueU2, cchWidth, cchPrecision, fFlags);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync