3. Macros

Detailed Description

Macros
#define	GlgAllocStruct(size)
	Allocates a structure using GlgAlloc and initializes it with 0s. More...
#define	GlgInitStruct(ptr, size)
	Initializes structure with 0s. More...
#define	GlgNullObjectMacro(object_holder)
	Assigns a NULL object to the GlgObject variable and dereferences its old value. More...
#define	GlgSetObjectMacro(object_holder, new_value)
	Assigns a new object value to the object variable. More...

Macro Definition Documentation

GlgAllocStruct

#define GlgAllocStruct

(

size

)

Allocates a structure using GlgAlloc and initializes it with 0s.

Parameters

size	Size of the structure to allocate.

Returns

A pointer to the allocated structure.

GlgInitStruct

#define GlgInitStruct	(		ptr,
			size
	)

Initializes structure with 0s.

Parameters

ptr	Pointer to the structure to be initialized.
size	Structure size.

GlgNullObjectMacro

#define GlgNullObjectMacro

(

object_holder

)

Assigns a NULL object to the GlgObject variable and dereferences its old value.

Parameters

object_holder

GlgObject variable that will be assigned a NULL value. The old value will be dereferenced.

GlgSetObjectMacro

#define GlgSetObjectMacro	(		object_holder,
			new_value
	)

Assigns a new object value to the object variable.

Dereferences the old value and references the new one.

Parameters

object_holder	GlgObject variable that will be assigned a new value. The old value will be dereferenced.
new_value	New GlgObject value to be assigned. It will be referenced.