Gecko [ www.blackthorn-inc.com ]

Name	Size	Permission	Date
GitUtils.pm	2.38 KB	-r--r--r--	2014-12-27 11:48
Glossary	205.51 KB	-r--r--r--	2014-12-27 11:49
Maintainers	194 B	-r--r--r--	2014-12-27 11:48
Maintainers.pl	45.95 KB	-r-xr-xr-x	2015-01-31 21:59
Maintainers.pm	8.68 KB	-r--r--r--	2014-12-27 11:48
README.pod	10.3 KB	-r--r--r--	2014-12-27 11:49
README.y2038	3.46 KB	-r--r--r--	2014-12-27 11:48
acknowledgements.pl	5.05 KB	-r--r--r--	2014-12-27 11:48
add-package.pl	17.12 KB	-r-xr-xr-x	2014-12-27 11:49
bisect-example.sh	1.25 KB	-r-xr-xr-x	2014-12-27 11:48
bisect-runner.pl	116.34 KB	-r-xr-xr-x	2014-12-27 11:49
bisect.pl	7.44 KB	-r-xr-xr-x	2014-12-27 11:49
bump-perl-version	9.93 KB	-r--r--r--	2014-12-27 11:49
check-cpan-pollution	6.24 KB	-r--r--r--	2014-12-27 11:48
check83.pl	2.22 KB	-r-xr-xr-x	2014-12-27 11:48
checkAUTHORS.pl	44.08 KB	-r-xr-xr-x	2014-12-27 11:49
checkURL.pl	15.01 KB	-r-xr-xr-x	2014-12-27 11:48
checkVERSION.pl	975 B	-r-xr-xr-x	2014-12-27 11:48
checkansi.pl	2 KB	-r-xr-xr-x	2014-12-27 11:48
checkcfgvar.pl	4.21 KB	-r-xr-xr-x	2014-12-27 11:49
checkpodencoding.pl	1.41 KB	-r-xr-xr-x	2014-12-27 11:48
cherrymaint	2.46 KB	-r--r--r--	2014-12-27 11:48
cmpVERSION.pl	6.84 KB	-r-xr-xr-x	2015-01-31 22:11
config.sh	36.38 KB	-r--r--r--	2015-01-28 21:08
config_H	142.35 KB	-r--r--r--	2015-01-28 21:08
config_h.pl	1.85 KB	-r-xr-xr-x	2014-12-27 11:48
core-cpan-diff	23.37 KB	-r--r--r--	2014-12-27 11:48
corecpan.pl	4.52 KB	-r-xr-xr-x	2014-12-27 11:48
corelist-diff	644 B	-r--r--r--	2014-12-27 11:48
corelist-perldelta.pl	30.44 KB	-r-xr-xr-x	2014-12-27 11:49
corelist.pl	15.51 KB	-r-xr-xr-x	2015-01-31 13:38
epigraphs.pod	128.86 KB	-r--r--r--	2015-02-01 03:54
exec-bit.txt	1.28 KB	-r--r--r--	2014-12-27 11:49
exercise_makedef.pl	2.27 KB	-r--r--r--	2014-12-27 11:48
expand-macro.pl	3.68 KB	-r-xr-xr-x	2014-12-27 11:48
findrfuncs	3.07 KB	-r-xr-xr-x	2014-12-27 11:48
git-deltatool	21.11 KB	-r--r--r--	2014-12-27 11:48
git-find-p4-change	905 B	-r--r--r--	2014-12-27 11:48
git-make-p4-refs	405 B	-r--r--r--	2014-12-27 11:48
how_to_write_a_perldelta.pod	7.83 KB	-r--r--r--	2014-12-27 11:48
leakfinder.pl	6.06 KB	-r--r--r--	2014-12-27 11:48
make-rmg-checklist	2.82 KB	-r--r--r--	2014-12-27 11:48
make_dot_patch.pl	1022 B	-r-xr-xr-x	2014-12-27 11:48
make_modlib_cpan.pl	1.93 KB	-r--r--r--	2014-12-27 11:48
make_snapshot.pl	2.33 KB	-r-xr-xr-x	2014-12-27 11:48
makemeta	3.29 KB	-r--r--r--	2014-12-27 11:49
makerel	6.88 KB	-r-xr-xr-x	2014-12-27 11:49
manicheck	644 B	-r--r--r--	2014-12-27 11:48
manisort	1.71 KB	-r--r--r--	2014-12-27 11:48
new-perldelta.pl	3.23 KB	-r--r--r--	2014-12-27 11:48
newtests-perldelta.pl	1.78 KB	-r-xr-xr-x	2014-12-27 11:48
perldelta_template.pod	9.35 KB	-r--r--r--	2015-01-28 21:08
perlhist_calculate.pl	2.65 KB	-r-xr-xr-x	2014-12-27 11:49
pod_lib.pl	17.62 KB	-r--r--r--	2014-12-27 11:49
pod_rules.pl	7.27 KB	-r--r--r--	2014-12-27 11:48
podtidy	303 B	-r--r--r--	2014-12-27 11:48
pumpkin.pod	51.48 KB	-r--r--r--	2014-12-27 11:49
release_announcement_template.txt	845 B	-r--r--r--	2015-01-15 22:12
release_managers_guide.pod	47.51 KB	-r--r--r--	2015-02-01 00:05
release_schedule.pod	3.39 KB	-r--r--r--	2015-01-31 17:19
rt_list_patches	678 B	-r--r--r--	2014-12-27 11:48
sort_perldiag.pl	1.38 KB	-r-xr-xr-x	2014-12-27 11:48
sync-with-cpan	11.7 KB	-r-xr-xr-x	2014-12-27 11:49
timecheck.c	3.52 KB	-r--r--r--	2014-12-27 11:48
timecheck2.c	2.69 KB	-r--r--r--	2014-12-27 11:48
todo.pod	47.26 KB	-r--r--r--	2015-01-28 21:08
valgrindpp.pl	9.44 KB	-r-xr-xr-x	2014-12-27 11:48

Rename

/* A little program to test the limits of your system's time functions
 * See Porting/README.y2038 for details
 */

#include <time.h>
#include <stdio.h>
#include <math.h>

time_t Time_Zero = 0;

/* Visual C++ 2008's difftime() can't do negative times */
double my_difftime(time_t left, time_t right) {
	double diff = (double)left - (double)right;
	return diff;
}

void check_date_max( struct tm * (*date_func)(const time_t *), char *func_name ) {
    struct tm *date;
    time_t time = 0;
    time_t last_time = 0;
    time_t time_change;
    int i;

for (i = 0; i <= 63; i++) {
        date = (*date_func)(&time);

/* date_func() broke or tm_year overflowed */
        if(date == NULL || date->tm_year < 69)
          break;

last_time = time;
        time += time + 1;

/* time_t overflowed */
        if( time < last_time )
            break;
    }

/* Binary search for the exact failure point */
    time = last_time;
    time_change = last_time / 2;

do {
        time += time_change;

date = (*date_func)(&time);

/* date_func() broke or tm_year overflowed or time_t overflowed */
        if(date == NULL || date->tm_year < 69 || time < last_time) {
            time = last_time;
            time_change = time_change / 2;
        }
        else {
            last_time = time;
        }
    } while(time_change > 0);

printf("%20s max %.0f\n", func_name, my_difftime(last_time, Time_Zero));
}

void check_date_min( struct tm * (*date_func)(const time_t *), char *func_name ) {
    struct tm *date;
    time_t time = -1;
    time_t last_time = 0;
    time_t time_change;
    int i;

for (i = 1; i <= 63; i++) {
        date = (*date_func)(&time);

/* date_func() broke or tm_year underflowed */
        if(date == NULL || date->tm_year > 70)
            break;

last_time = time;
        time += time;

/* time_t underflowed */
        if( time > last_time )
            break;
    }

/* Binary search for the exact failure point */
    time = last_time;
    time_change = last_time / 2;

do {
        time += time_change;

date = (*date_func)(&time);

/* gmtime() broke or tm_year overflowed or time_t overflowed */
        if(date == NULL || date->tm_year > 70 || time > last_time) {
            time = last_time;
            time_change = time_change / 2;
        }
        else {
            last_time = time;
        }
    } while(time_change < 0);

printf("%20s min %.0f\n", func_name, my_difftime(last_time, Time_Zero));
}

int main(void) {
    check_date_max(gmtime, "gmtime");
    check_date_max(localtime, "localtime");
    check_date_min(gmtime, "gmtime");
    check_date_min(localtime, "localtime");

return 0;
}