sbase/sleep.c

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