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/*
* lib/crypto/os/c_ustime.c
*
* Copyright 1990,1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* krb5_mstimeofday for BSD 4.3
*/
#define NEED_SOCKETS
#include "k5-int.h"
#if defined(_WIN32)
/* Microsoft Windows NT and 95 (32bit) */
/* This one works for WOW (Windows on Windows, ntvdm on Win-NT) */
#include <time.h>
#include <sys/timeb.h>
#include <string.h>
krb5_error_code
krb5_crypto_us_timeofday(seconds, microseconds)
register krb5_int32 *seconds, *microseconds;
{
struct _timeb timeptr;
krb5_int32 sec, usec;
static krb5_int32 last_sec = 0;
static krb5_int32 last_usec = 0;
_ftime(&timeptr); /* Get the current time */
sec = timeptr.time;
usec = timeptr.millitm * 1000;
if ((sec == last_sec) && (usec <= last_usec)) { /* Same as last time??? */
usec = ++last_usec;
if (usec >= 1000000) {
++sec;
usec = 0;
}
}
last_sec = sec; /* Remember for next time */
last_usec = usec;
*seconds = sec; /* Return the values */
*microseconds = usec;
return 0;
}
#else
/* We're a Unix machine -- do Unix time things. */
static struct timeval last_tv = {0, 0};
krb5_error_code
krb5_crypto_us_timeofday(register krb5_int32 *seconds, register krb5_int32 *microseconds)
{
struct timeval tv;
if (gettimeofday(&tv, (struct timezone *)0) == -1) {
/* failed, return errno */
return (krb5_error_code) errno;
}
if ((tv.tv_sec == last_tv.tv_sec) && (tv.tv_usec == last_tv.tv_usec)) {
if (++last_tv.tv_usec >= 1000000) {
last_tv.tv_usec = 0;
last_tv.tv_sec++;
}
tv = last_tv;
} else
last_tv = tv;
*seconds = tv.tv_sec;
*microseconds = tv.tv_usec;
return 0;
}
#endif
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