utilities.cpp

/*
 * utilities.cpp for MSIsensor
 * Copyright (c) 2013 Beifang Niu && Kai Ye WUGSC All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "utilities.h"

static time_t timeBegin;
static time_t timeLast;

time_t Initial_Time() {    
    timeBegin = time(NULL);
    timeLast = timeBegin;

    return timeBegin;
};

//time used during the past step
time_t Cal_StepTime() {
    time_t tused = time(NULL)-timeLast;
    timeLast = time(NULL);

    return tused;
};

//total time exhaust
time_t Cal_AllTime() { 
    return time(NULL) - timeBegin;
};

//current time on string format
char * Curr_Time() { 
    time_t t=time(NULL); 
    return ctime(&t);
}