pointer_utils.h File Reference

#include "attributes.h"
#include <stdarg.h>
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	new(TYPE)
	Allocates memory for one (1) object of the specified type.
#define	free_n(ptr)
	Frees the pointer and sets ptr to NULL
#define	deref_as(type, var)
	Dereferences a pointer as if it was a pointer to type
#define	deref_as_offset(type, var, offset)
	Dereferences a pointer as if it was a pointer to type with an offset.

Functions
LibraryDefined void	free_all (int n,...)
LibraryDefined void	free_and_null (void **n)

Macro Definition Documentation

deref_as

#define deref_as	(		type,
			var )

Value:

( *( type * ) ( var ) )

Dereferences a pointer as if it was a pointer to type

deref_as_offset

#define deref_as_offset	(		type,
			var,
			offset )

Value:

( *( ( type * ) ( var ) ) + offset )

Dereferences a pointer as if it was a pointer to type with an offset.

free_n

#define free_n

(

ptr

)

Value:

free_and_null( ( void ** ) &( ptr ) )

Frees the pointer and sets ptr to NULL

new

#define new

(

TYPE

)

Value:

calloc( 1, sizeof( TYPE ) )

Allocates memory for one (1) object of the specified type.

Function Documentation

free_all()

LibraryDefined void free_all	(	int	n,
			... )

Frees n pointers by calling free on each.

Parameters

n	number of pointers
...	pointers

free_and_null()

LibraryDefined void free_and_null ( void ** n )

inline

Does free(*n) and sets *n = NULL

Parameters

n	pointer to pointer