tz1.c File Reference

#include <grass/datetime.h>

Include dependency graph for tz1.c:

Go to the source code of this file.

Functions
int	datetime_check_timezone (const DateTime *dt, int minutes)
	returns 0 on success
int	datetime_get_timezone (const DateTime *dt, int *minutes)
	returns 0 on success
int	datetime_set_timezone (DateTime *dt, int minutes)
	returns 0 on success
int	datetime_unset_timezone (DateTime *dt)
	unsets timezone in 'dt' returns 0
int	datetime_is_valid_timezone (int minutes)
	Returns: 1 OK: -720 <= minutes <= 780 (720 = 12 hours; 780 = 13 hours) 0 NOT OK.

Function Documentation

datetime_check_timezone()

int datetime_check_timezone	(	const DateTime *	dt,
		int	minutes
	)

returns 0 on success

Parameters

dt
minutes

Returns

int

Definition at line 23 of file tz1.c.

References datetime_error(), datetime_is_absolute(), datetime_is_valid_timezone(), and DATETIME_MINUTE.

Referenced by datetime_get_timezone(), and datetime_set_timezone().

datetime_get_timezone()

int datetime_get_timezone	(	const DateTime *	dt,
		int *	minutes
	)

returns 0 on success

Parameters

dt
minutes

Returns

int

Definition at line 44 of file tz1.c.

References datetime_check_timezone(), and DateTime::tz.

Referenced by datetime_change_timezone(), datetime_difference(), and datetime_format().

datetime_is_valid_timezone()

int datetime_is_valid_timezone

(

int

minutes

)

Returns: 1 OK: -720 <= minutes <= 780 (720 = 12 hours; 780 = 13 hours) 0 NOT OK.

Parameters

minutes

Returns

int

Definition at line 101 of file tz1.c.

Referenced by datetime_change_timezone(), and datetime_check_timezone().

datetime_set_timezone()

int datetime_set_timezone	(	DateTime *	dt,
		int	minutes
	)

returns 0 on success

Parameters

dt
minutes

Returns

int

Definition at line 64 of file tz1.c.

References datetime_check_timezone(), and DateTime::tz.

datetime_unset_timezone()

int datetime_unset_timezone

(

DateTime *

dt

)

unsets timezone in 'dt' returns 0

Parameters

dt

Returns

int

Definition at line 84 of file tz1.c.

References DateTime::tz.

Referenced by datetime_set_type().