1 /* 2 * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <errno.h> 11 #include <openssl/err.h> 12 #include "internal/time.h" 13 ossl_time_now(void)14OSSL_TIME ossl_time_now(void) 15 { 16 OSSL_TIME r; 17 18 #if defined(_WIN32) 19 SYSTEMTIME st; 20 union { 21 unsigned __int64 ul; 22 FILETIME ft; 23 } now; 24 25 GetSystemTime(&st); 26 SystemTimeToFileTime(&st, &now.ft); 27 /* re-bias to 1/1/1970 */ 28 # ifdef __MINGW32__ 29 now.ul -= 116444736000000000ULL; 30 # else 31 now.ul -= 116444736000000000UI64; 32 # endif 33 r.t = ((uint64_t)now.ul) * (OSSL_TIME_SECOND / 10000000); 34 #else 35 struct timeval t; 36 37 if (gettimeofday(&t, NULL) < 0) { 38 ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(), 39 "calling gettimeofday()"); 40 return ossl_time_zero(); 41 } 42 if (t.tv_sec <= 0) 43 r.t = t.tv_usec <= 0 ? 0 : t.tv_usec * (OSSL_TIME_SECOND / 1000000); 44 else 45 r.t = ((uint64_t)t.tv_sec * 1000000 + t.tv_usec) 46 * (OSSL_TIME_SECOND / 1000000); 47 #endif 48 return r; 49 } 50
