44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2013.
|
|
|
|
This program is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the Free
|
|
Software Foundation, either version 3 of the License, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
date.c
|
|
Print or set system date and time.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <time.h>
|
|
|
|
int main(void)
|
|
{
|
|
time_t current_time = time(NULL);
|
|
|
|
struct tm tm;
|
|
if ( !localtime_r(¤t_time, &tm) )
|
|
error(1, errno, "time(%ji)", (intmax_t) current_time);
|
|
|
|
const size_t BUFFER_SIZE = 256;
|
|
char buffer[BUFFER_SIZE];
|
|
strftime(buffer, BUFFER_SIZE, "%a %b %d %H:%M:%S %Y", &tm);
|
|
printf("%s\n", buffer);
|
|
|
|
return 0;
|
|
}
|