2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: stdtime.c,v 1.11.2.1.10.5 2005/06/09 23:54:31 marka Exp $ */
22 #include <stddef.h> /* NULL */
23 #include <stdlib.h> /* NULL */
28 #include <isc/stdtime.h>
31 #ifndef ISC_FIX_TV_USEC
32 #define ISC_FIX_TV_USEC 1
35 #define US_PER_S 1000000
39 fix_tv_usec(struct timeval *tv) {
40 isc_boolean_t fixed = ISC_FALSE;
42 if (tv->tv_usec < 0) {
46 tv->tv_usec += US_PER_S;
47 } while (tv->tv_usec < 0);
48 } else if (tv->tv_usec >= US_PER_S) {
52 tv->tv_usec -= US_PER_S;
53 } while (tv->tv_usec >=US_PER_S);
56 * Call syslog directly as we are called from the logging functions.
59 (void)syslog(LOG_ERR, "gettimeofday returned bad tv_usec: corrected");
64 isc_stdtime_get(isc_stdtime_t *t) {
68 * Set 't' to the number of seconds since 00:00:00 UTC, January 1,
74 RUNTIME_CHECK(gettimeofday(&tv, NULL) != -1);
78 INSIST(tv.tv_usec >= 0);
80 INSIST(tv.tv_usec >= 0 && tv.tv_usec < US_PER_S);
83 *t = (unsigned int)tv.tv_sec;