#ifndef _TEK_MOD_HAL_H
#define _TEK_MOD_HAL_H

/*
**	$Id: hal.h,v 1.2 2006/09/10 00:57:14 tmueller Exp $
**	teklib/tek/mod/hal.h - HAL module private
**	See copyright notice in teklib/COPYRIGHT
*/

#include <tek/proto/hal.h>

/*****************************************************************************/
/*
**	Forward declarations
*/

/* HAL module base structure: */
struct THALBase;

/*****************************************************************************/
/*
**	Access macros for the generic HAL object type.
**	Some platform-specific structures may fit into sizeof(struct THALObject),
**	in which case an allocation can be avoided. The compiler should
**	optimize away the non-applicable path.
*/

#define THALNewObject(hal,obj,type) \
((type *)((sizeof(struct THALObject) < sizeof(type)) ? THALAlloc(hal, sizeof(type)) : (obj)))

#define THALDestroyObject(hal,obj,type) \
((void) (sizeof(struct THALObject) < sizeof(type) ? THALFree(hal, obj, sizeof(type)), (0) : (0)))

#define THALSetObject(obj,type,obj2) \
((void) (sizeof(struct THALObject) < sizeof(type) ? *((type **) obj) = obj2, (0) : (0)))

#define THALGetObject(obj,type) \
((sizeof(struct THALObject) < sizeof(type)) ? *((type **)(obj)) : (type *)(obj))

/*****************************************************************************/

struct THALScanModMsg
{
	TSTRPTR tsmm_Name;
	TUINT tsmm_Length;
	TUINT tsmm_Flags;
};

#endif