/* $NetBSD: stdtime.c,v 1.1.2.2 2024/02/24 13:07:31 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /*! \file */ #include #include #include /* NULL */ #include /* NULL */ #include #include #include #include #include #define NS_PER_S 1000000000 /*%< Nanoseconds per second. */ #if defined(CLOCK_REALTIME_COARSE) #define CLOCKSOURCE CLOCK_REALTIME_COARSE #elif defined(CLOCK_REALTIME_FAST) #define CLOCKSOURCE CLOCK_REALTIME_FAST #else /* if defined(CLOCK_REALTIME_COARSE) */ #define CLOCKSOURCE CLOCK_REALTIME #endif /* if defined(CLOCK_REALTIME_COARSE) */ void isc_stdtime_get(isc_stdtime_t *t) { REQUIRE(t != NULL); struct timespec ts; if (clock_gettime(CLOCKSOURCE, &ts) == -1) { char strbuf[ISC_STRERRORSIZE]; strerror_r(errno, strbuf, sizeof(strbuf)); isc_error_fatal(__FILE__, __LINE__, "clock_gettime failed: %s", strbuf); } REQUIRE(ts.tv_sec > 0 && ts.tv_nsec >= 0 && ts.tv_nsec < NS_PER_S); *t = (isc_stdtime_t)ts.tv_sec; } void isc_stdtime_tostring(isc_stdtime_t t, char *out, size_t outlen) { time_t when; REQUIRE(out != NULL); REQUIRE(outlen >= 26); UNUSED(outlen); /* time_t and isc_stdtime_t might be different sizes */ when = t; INSIST((ctime_r(&when, out) != NULL)); *(out + strlen(out) - 1) = '\0'; }