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/* $Id: bs3-cmn-StrPrintf.c $ */
/** @file
* BS3Kit - Bs3StrPrintf, Bs3StrPrintfV
*/
/*
* Copyright (C) 2007-2022 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 *
*********************************************************************************************************************************/
#include "bs3kit-template-header.h"
#include <iprt/ctype.h>
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
typedef struct BS3STRPRINTFSTATE
{
/** Current buffer position. */
char *pchBuf;
/** Number of bytes left in the buffer. */
size_t cchLeft;
} BS3STRPRINTFSTATE;
typedef BS3STRPRINTFSTATE BS3_FAR *PBS3STRPRINTFSTATE;
static BS3_DECL_CALLBACK(size_t) bs3StrPrintfFmtOutput(char ch, void BS3_FAR *pvUser)
{
PBS3STRPRINTFSTATE pState = (PBS3STRPRINTFSTATE)pvUser;
if (ch)
{
/* Put to the buffer if there is place for this char and a terminator. */
if (pState->cchLeft > 1)
{
pState->cchLeft--;
*pState->pchBuf++ = ch;
}
/* Always return 1. */
return 1;
}
/* Terminate the string. */
if (pState->cchLeft)
{
pState->cchLeft--;
*pState->pchBuf++ = '\0';
}
return 0;
}
#undef Bs3StrPrintfV
BS3_CMN_DEF(size_t, Bs3StrPrintfV,(char BS3_FAR *pszBuf, size_t cchBuf, const char BS3_FAR *pszFormat, va_list BS3_FAR va))
{
BS3STRPRINTFSTATE State;
State.pchBuf = pszBuf;
State.cchLeft = cchBuf;
return Bs3StrFormatV(pszFormat, va, bs3StrPrintfFmtOutput, &State);
}
#undef Bs3StrPrintf
BS3_CMN_DEF(size_t, Bs3StrPrintf,(char BS3_FAR *pszBuf, size_t cchBuf, const char BS3_FAR *pszFormat, ...))
{
size_t cchRet;
va_list va;
va_start(va, pszFormat);
cchRet = BS3_CMN_NM(Bs3StrPrintfV)(pszBuf, cchBuf, pszFormat, va);
va_end(va);
return cchRet;
}
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