/*
 * Copyright 2022 Yonggang Luo
 * SPDX-License-Identifier: MIT
 *
 * C11 <time.h> emulation library
 */

#ifndef C11_TIME_H_INCLUDED_
#define C11_TIME_H_INCLUDED_

#include <time.h>

/*---------------------------- macros ---------------------------*/

#ifndef TIME_UTC
#define TIME_UTC 1
#endif

#ifdef __cplusplus
extern "C" {
#endif

/*---------------------------- types ----------------------------*/

/*
 * On MINGW `struct timespec` present but `timespec_get` may not present;
 * On MSVC `struct timespec` and `timespec_get` present at the same time;
 * So detecting `HAVE_STRUCT_TIMESPEC` in meson script dynamically.
 */
#ifndef HAVE_STRUCT_TIMESPEC
struct timespec
{
    time_t tv_sec;  // Seconds - >= 0
    long   tv_nsec; // Nanoseconds - [0, 999999999]
};
#endif

/*-------------------------- functions --------------------------*/

#ifndef HAVE_TIMESPEC_GET
/*-------------------- 7.25.7 Time functions --------------------*/
// 7.25.6.1
int
timespec_get(struct timespec *ts, int base);
#endif

#ifdef __cplusplus
}
#endif

#endif /* C11_TIME_H_INCLUDED_ */