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timespec.h
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timespec.h
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/* Functions for working with timespec structures
* Written by Daniel Collins (2017-2021)
* timespec_mod by Alex Forencich (2019)
* Various contributions by Ingo Albrecht (2021)
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* 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 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.
*
* For more information, please refer to <http://unlicense.org/>
*/
#ifndef DAN_TIMESPEC_H
#define DAN_TIMESPEC_H
#include <stdbool.h>
#include <sys/time.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
struct timespec timespec_add(struct timespec ts1, struct timespec ts2);
struct timespec timespec_sub(struct timespec ts1, struct timespec ts2);
struct timespec timespec_mod(struct timespec ts1, struct timespec ts2);
struct timespec timespec_min(struct timespec ts1, struct timespec ts2);
struct timespec timespec_max(struct timespec ts1, struct timespec ts2);
struct timespec timespec_clamp(struct timespec ts1, struct timespec min, struct timespec max);
int timespec_cmp(struct timespec ts1, struct timespec ts2);
bool timespec_eq(struct timespec ts1, struct timespec ts2);
bool timespec_gt(struct timespec ts1, struct timespec ts2);
bool timespec_ge(struct timespec ts1, struct timespec ts2);
bool timespec_lt(struct timespec ts1, struct timespec ts2);
bool timespec_le(struct timespec ts1, struct timespec ts2);
struct timespec timespec_from_double(double s);
double timespec_to_double(struct timespec ts);
struct timespec timespec_from_timeval(struct timeval tv);
struct timeval timespec_to_timeval(struct timespec ts);
struct timespec timespec_from_ms(long milliseconds);
long timespec_to_ms(struct timespec ts);
struct timespec timespec_normalise(struct timespec ts);
struct timespec timespec_now();
#ifdef __cplusplus
}
#endif
#endif /* !DAN_TIMESPEC_H */