Precision Time

Precision Time. More...

Macros
#define	PRECISION_TIME_MAX   INT64_MAX
	Maximum representable precision time value.
#define	PRECISION_TIME_MIN   INT64_MIN
	Minimum representable precision time value.

Typedefs
typedef int64_t	precision_time_t
	Signed precision time value expressed in nanoseconds.

Functions
int	precision_time_add (precision_time_t a, precision_time_t b, precision_time_t *result)
	Add two precision time values with overflow checking.
int	precision_time_sub (precision_time_t a, precision_time_t b, precision_time_t *result)
	Subtract two precision time values with overflow checking.

Detailed Description

Precision Time.

Since

4.5

Version

0.1.0

Macro Definition Documentation

PRECISION_TIME_MAX

#define PRECISION_TIME_MAX   INT64_MAX

#include <precision_time.h>

Maximum representable precision time value.

PRECISION_TIME_MIN

#define PRECISION_TIME_MIN   INT64_MIN

#include <precision_time.h>

Minimum representable precision time value.

Typedef Documentation

precision_time_t

typedef int64_t precision_time_t

#include <precision_time.h>

Signed precision time value expressed in nanoseconds.

Function Documentation

precision_time_add()

int precision_time_add	(	precision_time_t	a,
		precision_time_t	b,
		precision_time_t *	result )

#include <precision_time.h>

Add two precision time values with overflow checking.

Parameters

a	First operand in nanoseconds.
b	Second operand in nanoseconds.
result	Destination for the sum.

Return values

0	on success.
-EINVAL	if result is null.
-ERANGE	if the sum is not representable.

precision_time_sub()

int precision_time_sub	(	precision_time_t	a,
		precision_time_t	b,
		precision_time_t *	result )

#include <precision_time.h>

Subtract two precision time values with overflow checking.

Parameters

a	Minuend in nanoseconds.
b	Subtrahend in nanoseconds.
result	Destination for the difference.

Return values

0	on success.
-EINVAL	if result is null.
-ERANGE	if the difference is not representable.