//  ==================================================================== //
//                                                                       //
//    File      : ps_tools.cxx                                           //
//    Purpose   : remove duplicated code                                 //
//                                                                       //
//                                                                       //
//  Coded by Ralf Westram (coder@reallysoft.de) in October 2004          //
//  Copyright Department of Microbiology (Technical University Munich)   //
//                                                                       //
//  Visit our web site at: http://www.arb-home.de/                       //
//                                                                       //
//  ==================================================================== //

#include "ps_tools.hxx"

#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <sys/times.h>

void PS_print_time_diff(const struct tms *_since, const char *_before, const char *_after) {
    struct tms now;
    times(&now);
    if (_before) printf("%s", _before);
    printf("time used : user (");

    unsigned int minutes  = (now.tms_utime-_since->tms_utime)/CLOCKS_PER_SEC / 60;
    unsigned int hours    = minutes / 60;
    minutes              -= hours * 60;
    if (hours > 0) printf("%uh ", hours);
    if (minutes > 0) printf("%um ", minutes);
    printf("%.3fs) system (", (float)(now.tms_utime-_since->tms_utime)/CLOCKS_PER_SEC-(hours*3600)-(minutes*60));
    minutes               = (now.tms_stime-_since->tms_stime)/CLOCKS_PER_SEC / 60;
    hours                 = minutes / 60;
    minutes              -= hours * 60;
    if (hours > 0) printf("%uh ", hours);
    if (minutes > 0) printf("%um ", minutes);
    printf("%.3fs)",   (float)(now.tms_stime-_since->tms_stime)/CLOCKS_PER_SEC-(hours*3600)-(minutes*60));

    if (_after) {
        printf("%s", _after);
    }
    else {
        printf("\n");
    }
    fflush(stdout);
}