24 lines
484 B
C
24 lines
484 B
C
/* See LICENSE file for copyright and license details. */
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#include <stdlib.h>
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#include <unistd.h>
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#include "util.h"
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int
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main(int argc, char *argv[])
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{
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char *end;
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unsigned int seconds;
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if(getopt(argc, argv, "") != -1)
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exit(EXIT_FAILURE);
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if(optind != argc-1)
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eprintf("usage: %s seconds\n", argv[0]);
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seconds = strtol(argv[optind], &end, 0);
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if(*end != '\0')
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eprintf("%s: not a number\n", argv[optind]);
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while((seconds = sleep(seconds)) > 0)
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;
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return EXIT_SUCCESS;
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}
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