GRASS GIS 7 Programmer's Manual  7.9.dev(2021)-e5379bbd7
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 More...
 
int datetime_get_timezone (const DateTime *dt, int *minutes)
 returns 0 on success More...
 
int datetime_set_timezone (DateTime *dt, int minutes)
 returns 0 on success More...
 
int datetime_unset_timezone (DateTime *dt)
 unsets timezone in 'dt' returns 0 More...
 
int datetime_is_valid_timezone (int minutes)
 Returns: 1 OK: -720 <= minutes <= 780 (720 = 12 hours; 780 = 13 hours) 0 NOT OK. More...
 

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 26 of file tz1.c.

References datetime_error(), and datetime_is_absolute().

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 49 of file tz1.c.

References datetime_check_timezone(), and DateTime::tz.

Referenced by datetime_change_timezone().

◆ 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 111 of file tz1.c.

Referenced by datetime_change_timezone().

◆ datetime_set_timezone()

int datetime_set_timezone ( DateTime dt,
int  minutes 
)

returns 0 on success

Parameters
dt
minutes
Returns
int

Definition at line 71 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 92 of file tz1.c.

References DateTime::tz.