epr_field.c File Reference

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "epr_api.h"
#include "epr_core.h"
#include "epr_string.h"
#include "epr_ptrarray.h"
#include "epr_swap.h"
#include "epr_field.h"
#include "epr_record.h"
#include "epr_param.h"
#include "epr_dsd.h"
#include "epr_msph.h"
#include "epr_band.h"
#include "epr_bitmask.h"

Include dependency graph for epr_field.c:

Go to the source code of this file.

Functions
EPR_SFieldInfo *	epr_create_field_info (EPR_EDataTypeId data_type_id, char *description, char *field_name, epr_uint num_elems, epr_uint num_bytes, epr_uint more_count, char *unit)
void	epr_free_field_info (EPR_SFieldInfo *field_info)
EPR_SField *	epr_create_field (EPR_SFieldInfo *field_info)
void	epr_free_field (EPR_SField *field)
const EPR_SField *	epr_get_field (const EPR_SRecord *record, const char *field_name)
epr_uint	epr_get_field_num_elems (const EPR_SField *field)
const char *	epr_get_field_name (const EPR_SField *field)
EPR_EDataTypeId	epr_get_field_type (const EPR_SField *field)
const char *	epr_get_field_unit (const EPR_SField *field)
const char *	epr_get_field_description (const EPR_SField *field)

Function Documentation

epr_create_field()

EPR_SField* epr_create_field

(

EPR_SFieldInfo *

field_info

)

Creates a new field instance belongs to the given record_info.

Parameters

the	pointer at the field information. must not be NULL

Returns

the new field instance or NULL if an error occured.

Definition at line 147 of file epr_field.c.

epr_create_field_info()

EPR_SFieldInfo* epr_create_field_info	(	EPR_EDataTypeId	data_type_id,
		char *	description,
		char *	field_name,
		epr_uint	num_elems,
		epr_uint	num_bytes,
		epr_uint	more_count,
		char *	unit
	)

Creates the field information of the given record and returns the poiter at it.

Parameters

data_type_id	the data type identifier
description	the field description
field_name	the field name
num_elems	the number of field elements
num_bytes	the number of bytes in each element
more_count	the number of the element repetition
unit	the unit descrimtion (name)

Returns

the the pointer at the field information, or NULL if the file it is not enough memory for some field_info element.

Definition at line 52 of file epr_field.c.

epr_free_field()

void epr_free_field

(

EPR_SField *

field

)

Frees the memory allocated by the given 'field'.

After calling this function the give field pointer should not be used anymore.

Parameters

field

the field to be released

Definition at line 218 of file epr_field.c.

epr_free_field_info()

void epr_free_field_info

(

EPR_SFieldInfo *

field_info

)

Frees the memory allocated by the given 'field_info'.

After calling this function the give field_info pointer should not be used anymore.

Parameters

field_info

the field_info to be released

Definition at line 111 of file epr_field.c.