blob: 7bfebd66fe39d9ab907541ba055bdae7acd4049a [file] [log] [blame]
/*
* Copyright 2016 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <assert.h>
int main(void) {
time_t t = time(NULL);
struct tm *ptm = gmtime(&t);
struct tm tmCurrent = *ptm;
int hour = tmCurrent.tm_hour;
t -= hour * 3600; // back to midnight
int yday = -1;
for (hour = 0; hour < 24; hour++) {
ptm = gmtime(&t);
// tm_yday must be constant all day...
printf("yday: %d, hour: %d\n", ptm->tm_yday, hour);
if (yday == -1)
yday = ptm->tm_yday;
else
assert(yday == ptm->tm_yday);
t += 3600; // add one hour
}
printf("ok!\n");
return (0);
}