1 /* $FreeBSD$ */ 2 /* $KAME: timer.c,v 1.9 2002/06/10 19:59:47 itojun Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Copyright (C) 1998 WIDE Project. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the project nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/queue.h> 36 #include <sys/socket.h> 37 #include <syslog.h> 38 #include <stdio.h> 39 #include <inttypes.h> 40 #include <time.h> 41 42 #include "timer.h" 43 #include "timer_subr.h" 44 45 struct timespec * 46 rtadvd_timer_rest(struct rtadvd_timer *rat) 47 { 48 static struct timespec returnval, now; 49 50 clock_gettime(CLOCK_MONOTONIC_FAST, &now); 51 if (TS_CMP(&rat->rat_tm, &now, <=)) { 52 syslog(LOG_DEBUG, 53 "<%s> a timer must be expired, but not yet", 54 __func__); 55 returnval.tv_sec = returnval.tv_nsec = 0; 56 } 57 else 58 TS_SUB(&rat->rat_tm, &now, &returnval); 59 60 return (&returnval); 61 } 62 63 char * 64 sec2str(uint32_t s, char *buf) 65 { 66 uint32_t day; 67 uint32_t hour; 68 uint32_t min; 69 uint32_t sec; 70 char *p; 71 72 min = s / 60; 73 sec = s % 60; 74 75 hour = min / 60; 76 min = min % 60; 77 78 day = hour / 24; 79 hour = hour % 24; 80 81 p = buf; 82 if (day > 0) 83 p += sprintf(p, "%" PRIu32 "d", day); 84 if (hour > 0) 85 p += sprintf(p, "%" PRIu32 "h", hour); 86 if (min > 0) 87 p += sprintf(p, "%" PRIu32 "m", min); 88 89 if ((p == buf) || (sec > 0 && p > buf)) 90 sprintf(p, "%" PRIu32 "s", sec); 91 92 return (buf); 93 } 94