gui_alloc_allocinit.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 uC/GUI
*   					 Universal graphic software for embedded applications
*
*   					(c) Copyright 2002, Micrium Inc., Weston, FL
*   					(c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*   		   礐/GUI is protected by international copyright laws. Knowledge of the
*   		   source code may not be used to write a similar product. This file may
*   		   only be used in accordance with a license and should not be redistributed
*   		   in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File		: GUIAlloc.C
Purpose 	: Dynamic memory management
----------------------------------------------------------------------
*/

#include <stddef.h> 		  /* needed for definition of NULL */
#include <string.h> 		  /* for memcpy, memset */

#include "GUI_Protected.h"
#include "GUIDebug.h"

/*********************************************************************
*
*   	Internal memory management
*
**********************************************************************
*/

/*********************************************************************
*
*   	GUI_ALLOC_AllocInit
*
* Purpose:
*   Alloc memory block of the given size and initialize from the given pointer.
*   If the pointer is a NULL pointer, zeroinit
*/
GUI_HMEM GUI_ALLOC_AllocInit(const void *pInitData, GUI_ALLOC_DATATYPE Size)
{
	GUI_HMEM hMem;
	GUI_LOCK();
	if (Size == 0)
	{
		return (GUI_HMEM) 0;
	}
	hMem = GUI_ALLOC_AllocNoInit(Size);
	if (hMem)
	{
		void *pMem;
		pMem = GUI_ALLOC_h2p(hMem);
		if (pInitData)
		{
			memcpy(pMem, pInitData, Size);
		}
		else
		{
			GUI_MEMSET((U8 *) pMem, 0, Size);
		}
	}
	GUI_UNLOCK();
	return hMem;
}

/*************************** End of file ****************************/