77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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/*
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* usleep
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*
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* Written by Donald Barnes <djb@redhat.com> for Red Hat, Inc.
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*
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* Copyright (c) 1997-2003 Red Hat, Inc. All rights reserved.
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*
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* This software may be freely redistributed under the terms of the GNU
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* public license.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "popt.h"
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int main(int argc, char **argv) {
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unsigned long count;
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poptContext optCon;
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int showVersion = 0;
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int showOot = 0;
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int rc;
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char * countStr = NULL;
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struct poptOption options[] = {
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{ "version", 'v', POPT_ARG_NONE, &showVersion, 0,
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"Display the version of this program, and exit" },
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{ "oot", 'o', POPT_ARG_NONE, &showOot, 0,
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"oot says hey!" },
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POPT_AUTOHELP
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{ 0, 0, 0, 0, 0 }
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};
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optCon = poptGetContext("usleep", argc, argv, options,0);
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/*poptReadDefaultConfig(optCon, 1);*/
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poptSetOtherOptionHelp(optCon, "[microseconds]");
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if ((rc = poptGetNextOpt(optCon)) < -1) {
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fprintf(stderr, "usleep: bad argument %s: %s\n",
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poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
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poptStrerror(rc));
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return 2;
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}
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if (showVersion) {
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printf("usleep version 1.2\n usleep --help for more info\n");
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return 0;
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}
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if (showOot) {
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printf("oot says hey!\n");
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return 0;
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}
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countStr = poptGetArg(optCon);
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if (countStr == NULL) count = 1;
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else if (countStr && poptGetArg(optCon)) {
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fprintf(stderr, "%s: exactly one argument (number of microseconds) "
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"must be used\n", argv[0]);
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return 2;
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}
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else count = strtoul(countStr, NULL, 0);
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usleep(count);
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return 0;
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}
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