source: vbox/trunk/src/VBox/Runtime/common/log/logrel.cpp

/* $Id: logrel.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
/** @file
 * Runtime VBox - Release Logger.
 */

/*
 * 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"


/**
 * Write to a logger instance, defaulting to the release one.
 *
 * 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 release instance is 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   args        Format arguments.
 */
RTDECL(void) RTLogRelLoggerV(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, const char *pszFormat, va_list args)
{
    /*
     * A NULL logger means default instance.
     */
    if (!pLogger)
    {
        pLogger = RTLogRelGetDefaultInstance();
        if (!pLogger)
            return;
    }
    RTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, args);
}
RT_EXPORT_SYMBOL(RTLogRelLoggerV);


/**
 * vprintf like function for writing to the default release log.
 *
 * @param   pszFormat   Printf like format string.
 * @param   args        Optional arguments as specified in pszFormat.
 *
 * @remark The API doesn't support formatting of floating point numbers at the moment.
 */
RTDECL(void) RTLogRelPrintfV(const char *pszFormat, va_list args)
{
    RTLogRelLoggerV(NULL, 0, ~0U, pszFormat, args);
}
RT_EXPORT_SYMBOL(RTLogRelPrintfV);


/**
 * Changes the buffering setting of the default release logger.
 *
 * This can be used for optimizing longish logging sequences.
 *
 * @returns The old state.
 * @param   fBuffered       The new state.
 */
RTDECL(bool) RTLogRelSetBuffering(bool fBuffered)
{
    PRTLOGGER pLogger = RTLogRelGetDefaultInstance();
    if (pLogger)
        return RTLogSetBuffering(pLogger, fBuffered);
    return false;
}
RT_EXPORT_SYMBOL(RTLogRelSetBuffering);