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// Copyright © Tavian Barnes <tavianator@tavianator.com>
// SPDX-License-Identifier: 0BSD
/**
* Date/time handling.
*/
#ifndef BFS_XTIME_H
#define BFS_XTIME_H
#include <time.h>
/**
* mktime() wrapper that reports errors more reliably.
*
* @tm[in,out]
* The struct tm to convert and normalize.
* @timep[out]
* A pointer to the result.
* @return
* 0 on success, -1 on failure.
*/
int xmktime(struct tm *tm, time_t *timep);
/**
* A portable timegm(), the inverse of gmtime().
*
* @tm[in,out]
* The struct tm to convert and normalize.
* @timep[out]
* A pointer to the result.
* @return
* 0 on success, -1 on failure.
*/
int xtimegm(struct tm *tm, time_t *timep);
/**
* Parse an ISO 8601-style timestamp.
*
* @str
* The string to parse.
* @result[out]
* A pointer to the result.
* @return
* 0 on success, -1 on failure.
*/
int xgetdate(const char *str, struct timespec *result);
/**
* A timer.
*/
struct timer;
/**
* Start a timer.
*
* @interval
* The regular interval at which to send SIGALRM.
* @return
* The new timer on success, otherwise NULL.
*/
struct timer *xtimer_start(const struct timespec *interval);
/**
* Stop a timer.
*
* @timer
* The timer to stop.
*/
void xtimer_stop(struct timer *timer);
#endif // BFS_XTIME_H
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