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sbase/sleep.c
stateless 7216a53a7e Remove unnecessary exit(1) in usage()
Signed-off-by: Christoph Lohmann <20h@r-36.net>
2013-06-19 19:58:19 +02:00

31 lines
405 B
C

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