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/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <errno.h>
#include <openssl/err.h>
#include "internal/time.h"
OSSL_TIME ossl_time_now(void)
{
OSSL_TIME r;
#if defined(_WIN32) && !defined(OPENSSL_SYS_UEFI)
SYSTEMTIME st;
union {
unsigned __int64 ul;
FILETIME ft;
} now;
GetSystemTime(&st);
SystemTimeToFileTime(&st, &now.ft);
/* re-bias to 1/1/1970 */
# ifdef __MINGW32__
now.ul -= 116444736000000000ULL;
# else
now.ul -= 116444736000000000UI64;
# endif
r.t = ((uint64_t)now.ul) * (OSSL_TIME_SECOND / 10000000);
#else /* defined(_WIN32) */
struct timeval t;
if (gettimeofday(&t, NULL) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling gettimeofday()");
return ossl_time_zero();
}
if (t.tv_sec <= 0)
r.t = t.tv_usec <= 0 ? 0 : t.tv_usec * OSSL_TIME_US;
else
r.t = ((uint64_t)t.tv_sec * 1000000 + t.tv_usec) * OSSL_TIME_US;
#endif /* defined(_WIN32) */
return r;
}
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