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// Copyright: CC0
// Compare timegm() with util_timegm()
// NB Need to force util_timegm() to use our fallback version
// Otherwise it will be using timegm()
#include <glib.h>
#include <glib/gstdio.h>
#include <time.h>
#include "util.h"
// run like - 'for now':
// ./test_time $(date +"%Y:%m:%d-%H:%M:%S")
// Or manually substitute interesting dates as appropriate
// e.g. '2400:03:01-10:11:12'
int main(int argc, char *argv[])
{
#if !GLIB_CHECK_VERSION(2,36,0)
g_type_init ();
#endif
if ( !argv[1] ) {
g_printerr ( "Nothing specified\n" );
return 1;
}
struct tm Time;
Time.tm_wday = 0;
Time.tm_yday = 0;
Time.tm_isdst = 0; // there is no DST in UTC
sscanf(argv[1], "%d:%d:%d-%d:%d:%d",
&Time.tm_year, &Time.tm_mon,
&Time.tm_mday, &Time.tm_hour,
&Time.tm_min, &Time.tm_sec);
Time.tm_year -= 1900;
Time.tm_mon -= 1;
time_t thetime = util_timegm ( &Time );
if ( thetime != timegm ( &Time ) ) {
g_printf ("%s - %lu - %lu\n", argv[1], thetime, timegm(&Time));
g_printf ("diff = %ld\n", (thetime - timegm(&Time)));
return 1;
}
return 0;
}
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