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/* $Id: logformat.cpp $ */
/** @file
* IPRT - Log Formatter.
*/
/*
* Copyright (C) 2006-2023 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 *
*********************************************************************************************************************************/
#include <iprt/log.h>
#include "internal/iprt.h"
#include <iprt/string.h>
#include <iprt/assert.h>
#ifdef IN_RING3
# include <iprt/thread.h>
# include <iprt/errcore.h>
#endif
#include <iprt/stdarg.h>
#include <iprt/string.h>
/*********************************************************************************************************************************
* Internal Functions *
*********************************************************************************************************************************/
static DECLCALLBACK(size_t) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput,
void *pvArgOutput, const char **ppszFormat,
va_list *pArgs, int cchWidth, int cchPrecision,
unsigned fFlags, char chArgSize);
/**
* Partial vsprintf worker implementation.
*
* @returns number of bytes formatted.
* @param pfnOutput Output worker.
* Called in two ways. Normally with a string an it's length.
* For termination, it's called with NULL for string, 0 for length.
* @param pvArg Argument to output worker.
* @param pszFormat Format string.
* @param args Argument list.
*/
RTDECL(size_t) RTLogFormatV(PFNRTSTROUTPUT pfnOutput, void *pvArg, const char *pszFormat, va_list args)
{
return RTStrFormatV(pfnOutput, pvArg, rtlogFormatStr, NULL, pszFormat, args);
}
RT_EXPORT_SYMBOL(RTLogFormatV);
/**
* Callback to format VBox formatting extentions.
* See @ref pg_rt_str_format for a reference on the format types.
*
* @returns The number of bytes formatted.
* @param pvArg Formatter argument.
* @param pfnOutput Pointer to output function.
* @param pvArgOutput Argument for the output function.
* @param ppszFormat Pointer to the format string pointer. Advance this till the char
* after the format specifier.
* @param pArgs Pointer to the argument list. Use this to fetch the arguments.
* @param cchWidth Format Width. -1 if not specified.
* @param cchPrecision Format Precision. -1 if not specified.
* @param fFlags Flags (RTSTR_NTFS_*).
* @param chArgSize The argument size specifier, 'l' or 'L'.
*/
static DECLCALLBACK(size_t) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
const char **ppszFormat, va_list *pArgs, int cchWidth,
int cchPrecision, unsigned fFlags, char chArgSize)
{
char ch = *(*ppszFormat)++;
AssertMsgFailed(("Invalid logger format type '%%%c%.10s'!\n", ch, *ppszFormat)); NOREF(ch);
NOREF(pvArg); NOREF(pfnOutput); NOREF(pvArgOutput); NOREF(pArgs); NOREF(cchWidth);
NOREF(cchPrecision); NOREF(fFlags); NOREF(chArgSize);
return 0;
}
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