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/* MIT License
*
* Copyright (c) 2024 Brad House
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#ifndef __ARES_TIME_H
#define __ARES_TIME_H
/*! struct timeval on some systems like Windows doesn't support 64bit time so
* therefore can't be used due to Y2K38 issues. Make our own that does have
* 64bit time. */
typedef struct {
ares_int64_t sec; /*!< Seconds */
unsigned int usec; /*!< Microseconds. Can't be negative. */
} ares_timeval_t;
/* return true if now is exactly check time or later */
ares_bool_t ares_timedout(const ares_timeval_t *now,
const ares_timeval_t *check);
void ares_tvnow(ares_timeval_t *now);
void ares_timeval_remaining(ares_timeval_t *remaining,
const ares_timeval_t *now,
const ares_timeval_t *tout);
void ares_timeval_diff(ares_timeval_t *tvdiff, const ares_timeval_t *tvstart,
const ares_timeval_t *tvstop);
#endif
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