/* See LICENSE file for copyright and license details. */ | |
#include <unistd.h> | |
#include "util.h" | |
static void | |
usage(void) | |
{ | |
eprintf("usage: %s num\n", argv0); | |
} | |
int | |
main(int argc, char *argv[]) | |
{ | |
unsigned seconds; | |
argv0 = argv[0], argc--, argv++; | |
if (argc != 1) | |
usage(); | |
seconds = estrtonum(argv[0], 0, UINT_MAX); | |
while ((seconds = sleep(seconds)) > 0) | |
; | |
return 0; | |
} |