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/*
* usleep
*
* Written by Donald Barnes <djb@redhat.com> for Red Hat, Inc.
*
*/
#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 rc;
char * countStr = NULL;
struct poptOption options[] = {
{ "version", 'v', POPT_ARG_NONE, &showVersion, 0,
"Display the version of this program, and exit" },
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;
}
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);
usleep(count);
return 0;
}
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