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#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <signal.h>
#include <stdio.h>
int keep_going, count, alternate, seconds;
struct rusage prior, now;
void
finish()
{
keep_going = 0;
}
main(int argc, char *argv[])
{
struct itimerval itv;
u_long msecs, key1[8], key2[8];
char *k1, *k2;
if (argc < 2 || sscanf(argv[1], "%d", &seconds) != 1)
seconds = 20;
if (argc < 3 || sscanf(argv[2], "%d", &alternate) != 1)
alternate = 0;
printf ("Running crypt%s for %d seconds of vtime...\n",
alternate ? " with alternate keys" : "", seconds);
bzero(&itv, sizeof (itv));
signal (SIGVTALRM, finish);
itv.it_value.tv_sec = seconds;
itv.it_value.tv_usec = 0;
setitimer(ITIMER_VIRTUAL, &itv, NULL);
keep_going = 1;
if (getrusage(0, &prior) < 0) {
perror("getrusage");
exit(1);
}
k1 = (char *) key1;
k2 = (char *) key2;
strcpy(k1, "fredfredfredfredfred");
strcpy(k2, "joejoejoejoejoejoejo");
if (alternate)
for (count = 0; keep_going; count++)
{
#if defined(LONGCRYPT)
crypt((count & 1) ? k1 : k2, "_ara.X...");
#else
crypt((count & 1) ? k1 : k2, "eek");
#endif
}
else
for (count = 0; keep_going; count++)
{
#if defined(LONGCRYPT)
crypt(k1, "_ara.X...");
#else
crypt(k1, "eek");
#endif
}
if (getrusage(0, &now) < 0) {
perror("getrusage");
exit(1);
}
msecs = (now.ru_utime.tv_sec - prior.ru_utime.tv_sec) * 1000
+ (now.ru_utime.tv_usec - prior.ru_utime.tv_usec) / 1000;
printf ("\tDid %d crypt()s per second.\n", 1000 * count / msecs);
exit(0);
}
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