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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
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/* Functions for working with timespec structures
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* Written by Daniel Collins (2017)
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* timespec_mod by Alex Forencich (2019)
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* For more information, please refer to <http://unlicense.org/>
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*/
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#ifndef DAN_TIMESPEC_H
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#define DAN_TIMESPEC_H
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#include <stdbool.h>
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#include <sys/time.h>
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#include <time.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct timespec timespec_add(struct timespec ts1, struct timespec ts2);
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struct timespec timespec_sub(struct timespec ts1, struct timespec ts2);
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struct timespec timespec_mod(struct timespec ts1, struct timespec ts2);
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bool timespec_eq(struct timespec ts1, struct timespec ts2);
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bool timespec_gt(struct timespec ts1, struct timespec ts2);
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bool timespec_ge(struct timespec ts1, struct timespec ts2);
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bool timespec_lt(struct timespec ts1, struct timespec ts2);
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bool timespec_le(struct timespec ts1, struct timespec ts2);
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struct timespec timespec_from_double(double s);
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double timespec_to_double(struct timespec ts);
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struct timespec timespec_from_timeval(struct timeval tv);
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struct timeval timespec_to_timeval(struct timespec ts);
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struct timespec timespec_from_ms(long milliseconds);
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long timespec_to_ms(struct timespec ts);
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struct timespec timespec_normalise(struct timespec ts);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !DAN_TIMESPEC_H */
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