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mirror of git://git.suckless.org/sbase synced 2024-12-22 23:13:44 +00:00
sbase/date.c
sin 2366164de7 No need for semicolon after ARGEND
This is also the style used in Plan 9.
2015-11-01 10:18:55 +00:00

50 lines
809 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-u] [-d time] [+format]\n", argv0);
}
int
main(int argc, char *argv[])
{
struct tm *now;
struct tm *(*tztime)(const time_t *) = localtime;
time_t t;
char buf[BUFSIZ], *fmt = "%c", *tz = "local";
t = time(NULL);
ARGBEGIN {
case 'd':
t = estrtonum(EARGF(usage()), 0, LLONG_MAX);
break;
case 'u':
tztime = gmtime;
tz = "gm";
break;
default:
usage();
} ARGEND
if (argc) {
if (argc != 1 || argv[0][0] != '+')
usage();
else
fmt = &argv[0][1];
}
if (!(now = tztime(&t)))
eprintf("%stime failed\n", tz);
strftime(buf, sizeof(buf), fmt, now);
puts(buf);
return fshut(stdout, "<stdout>");
}