| /* 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; | |
| } |