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/*
* usleep
*
* Written by Donald Barnes <djb@redhat.com> for Red Hat, Inc.
*
* Copyright (c) 1997-2003 Red Hat, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "popt.h"
int main(int argc, char **argv) {
unsigned long count;
poptContext optCon;
int showVersion = 0;
int showOot = 0;
int rc;
char * countStr = NULL;
struct poptOption options[] = {
{ "version", 'v', POPT_ARG_NONE, &showVersion, 0,
"Display the version of this program, and exit" },
{ "oot", 'o', POPT_ARG_NONE, &showOot, 0,
"oot says hey!" },
POPT_AUTOHELP
{ 0, 0, 0, 0, 0 }
};
optCon = poptGetContext("usleep", argc, argv, options,0);
/*poptReadDefaultConfig(optCon, 1);*/
poptSetOtherOptionHelp(optCon, "[microseconds]");
if ((rc = poptGetNextOpt(optCon)) < -1) {
fprintf(stderr, "usleep: bad argument %s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
return 2;
}
if (showVersion) {
printf("usleep version 1.2\n usleep --help for more info\n");
return 0;
}
if (showOot) {
printf("oot says hey!\n");
return 0;
}
countStr = poptGetArg(optCon);
if (countStr == NULL) count = 1;
else if (countStr && poptGetArg(optCon)) {
fprintf(stderr, "%s: exactly one argument (number of microseconds) "
"must be used\n", argv[0]);
return 2;
}
else count = strtoul(countStr, NULL, 0);
fprintf(stderr, "warning: usleep is deprecated, and will be removed in near future!\n"
"warning: use \"sleep %.7g\" instead...\n", count / 1e6);
usleep(count);
return 0;
}
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