1*d500c338Sflorian /* 2*d500c338Sflorian * util/timeval_func.h - definitions of helpers for struct timeval values. 3*d500c338Sflorian * 4*d500c338Sflorian * Copyright (c) 2023, NLnet Labs. All rights reserved. 5*d500c338Sflorian * 6*d500c338Sflorian * This software is open source. 7*d500c338Sflorian * 8*d500c338Sflorian * Redistribution and use in source and binary forms, with or without 9*d500c338Sflorian * modification, are permitted provided that the following conditions 10*d500c338Sflorian * are met: 11*d500c338Sflorian * 12*d500c338Sflorian * Redistributions of source code must retain the above copyright notice, 13*d500c338Sflorian * this list of conditions and the following disclaimer. 14*d500c338Sflorian * 15*d500c338Sflorian * Redistributions in binary form must reproduce the above copyright notice, 16*d500c338Sflorian * this list of conditions and the following disclaimer in the documentation 17*d500c338Sflorian * and/or other materials provided with the distribution. 18*d500c338Sflorian * 19*d500c338Sflorian * Neither the name of the NLNET LABS nor the names of its contributors may 20*d500c338Sflorian * be used to endorse or promote products derived from this software without 21*d500c338Sflorian * specific prior written permission. 22*d500c338Sflorian * 23*d500c338Sflorian * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24*d500c338Sflorian * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25*d500c338Sflorian * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26*d500c338Sflorian * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27*d500c338Sflorian * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28*d500c338Sflorian * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29*d500c338Sflorian * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30*d500c338Sflorian * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31*d500c338Sflorian * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32*d500c338Sflorian * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33*d500c338Sflorian * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34*d500c338Sflorian */ 35*d500c338Sflorian 36*d500c338Sflorian /** 37*d500c338Sflorian * \file 38*d500c338Sflorian * 39*d500c338Sflorian * This file contains definitions of helpers to manipulate struct timeval 40*d500c338Sflorian * values, implemented in the corresponding C file. 41*d500c338Sflorian */ 42*d500c338Sflorian #include <sys/time.h> 43*d500c338Sflorian 44*d500c338Sflorian #ifndef timeval_isset 45*d500c338Sflorian #define timeval_isset(tv) ((tv)->tv_sec || (tv)->tv_usec) 46*d500c338Sflorian #endif 47*d500c338Sflorian #ifndef timeval_clear 48*d500c338Sflorian #define timeval_clear(tv) ((tv)->tv_sec = (tv)->tv_usec = 0) 49*d500c338Sflorian #endif 50*d500c338Sflorian void timeval_subtract(struct timeval* d, const struct timeval* end, const struct timeval* start); 51*d500c338Sflorian void timeval_add(struct timeval* d, const struct timeval* add); 52*d500c338Sflorian void timeval_divide(struct timeval* avg, const struct timeval* sum, long long d); 53*d500c338Sflorian int timeval_smaller(const struct timeval* x, const struct timeval* y); 54