74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* -*- Mode: C; c-file-style: "bsd"; comment-column: 40 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Mailstone utility,
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* released March 17, 2000.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1997-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s): Dan Christian <robodan@netscape.com>
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* Marcel DePaolis <marcel@netcape.com>
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* Mike Blakely
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License Version 2 or later (the "GPL"), in
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* which case the provisions of the GPL are applicable instead of
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* those above. If you wish to allow use of your version of this file
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* only under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice and
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* other provisions required by the GPL. If you do not delete the
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* provisions above, a recipient may use your version of this file
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* under either the NPL or the GPL.
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*/
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/*
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Stuff that deals with timevals.
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*/
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#include "bench.h"
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double
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timevaldouble(struct timeval *tin)
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{
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return ((double)tin->tv_sec + ((double)tin->tv_usec / USECINSEC));
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}
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void
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doubletimeval(const double tin, struct timeval *tout)
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{
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tout->tv_sec = (long)floor(tin);
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tout->tv_usec = (long)((tin - tout->tv_sec) * USECINSEC );
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}
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/* Difference two timevals and return as a double (in seconds) */
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/* Could be a macro */
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double
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compdifftime_double(struct timeval *EndTime, struct timeval *StartTime)
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{
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/* doing the integeger differences first is supposed to prevent
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any loss in resolution (more important if we returned float instead) */
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double d = (EndTime->tv_sec - StartTime->tv_sec)
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+ ((double)(EndTime->tv_usec - StartTime->tv_usec)*(1.0/USECINSEC));
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if (d < 0.0) {
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D_PRINTF (stderr, "Woa! compdifftime negative start %lu.%06lu end %lu.%06lu\n",
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StartTime->tv_sec, StartTime->tv_usec,
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EndTime->tv_sec, EndTime->tv_usec);
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return 0.0;
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}
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return d;
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}
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