busybox/coreutils/usleep.c

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/* vi: set sw=4 ts=4: */
/*
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* usleep implementation for busybox
*
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* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
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/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
#include <stdlib.h>
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#include <limits.h>
#include <unistd.h>
#include "busybox.h"
int usleep_main(int argc, char **argv)
{
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if (argc != 2) {
bb_show_usage();
}
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if (usleep(xatou(argv[1]))) {
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bb_perror_nomsg_and_die();
}
return EXIT_SUCCESS;
}