i_logger.c

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/**
 * \file
 *
 * \author  Georg Hopp
 *
 * \copyright
 * Copyright © 2014 Georg Hopp
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>

#include "trbase.h"

TR_CREATE_INTERFACE(TR_Logger, 1);

void
TR_loggerLog(
        void *             _object,
        TR_logger_level    level,
        const char * const fmt,
        ...) {
    TR_Logger object = _object;

    if (level >= object->min_level) {
        char    * msg      = NULL;
        size_t    msg_size = 0;
        va_list   params;

        va_start(params, fmt);
        msg_size = vsnprintf(NULL, msg_size, fmt, params);
        va_end(params);

        msg = TR_malloc(msg_size + 1);

        va_start(params, fmt);
        vsnprintf(msg, msg_size + 1, fmt, params);
        va_end(params);

        TR_CALL(_object, TR_Logger, log, level, msg);

        TR_MEM_FREE(msg);
    }
}

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