Current File : //usr/src/vboxhost-6.0.14/vboxdrv/common/log/logellipsis.c
/* $Id: logellipsis.cpp 127855 2019-01-01 01:45:53Z bird $ */
/** @file
* Runtime VBox - Logger, the ellipsis variants.
*/
/*
* Copyright (C) 2006-2019 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 <iprt/log.h>
#include "internal/iprt.h"
#include <iprt/asm.h>
#include <iprt/stdarg.h>
/**
* Write to a logger instance.
*
* @param pLogger Pointer to logger instance.
* @param pvCallerRet Ignored.
* @param pszFormat Format string.
* @param ... Format arguments.
*/
RTDECL(void) RTLogLogger(PRTLOGGER pLogger, void *pvCallerRet, const char *pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
#if defined(RT_OS_DARWIN) && defined(RT_ARCH_X86) && defined(IN_RING3)
/* manually align the stack before doing the call.
* We boldly assume that there is a stack frame here! */
__asm__ __volatile__("andl $-32, %%esp\t\n" ::: "%esp");
RTLogLoggerExV(pLogger, 0, ~0U, pszFormat, args);
#else
RTLogLoggerExV(pLogger, 0, ~0U, pszFormat, args);
#endif
va_end(args);
NOREF(pvCallerRet);
}
RT_EXPORT_SYMBOL(RTLogLogger);
/**
* Write to a logger instance.
*
* This function will check whether the instance, group and flags makes up a
* logging kind which is currently enabled before writing anything to the log.
*
* @param pLogger Pointer to logger instance. If NULL the default logger instance will be attempted.
* @param fFlags The logging flags.
* @param iGroup The group.
* The value ~0U is reserved for compatibility with RTLogLogger[V] and is
* only for internal usage!
* @param pszFormat Format string.
* @param ... Format arguments.
* @remark This is a worker function of LogIt.
*/
RTDECL(void) RTLogLoggerEx(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, const char *pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
RTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args);
va_end(args);
}
RT_EXPORT_SYMBOL(RTLogLoggerEx);
/**
* printf like function for writing to the default log.
*
* @param pszFormat Printf like format string.
* @param ... Optional arguments as specified in pszFormat.
*
* @remark The API doesn't support formatting of floating point numbers at the moment.
*/
RTDECL(void) RTLogPrintf(const char *pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
RTLogPrintfV(pszFormat, args);
va_end(args);
}
RT_EXPORT_SYMBOL(RTLogPrintf);
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