gui__settext.c

来自「MCB2300_ucgui_LCD320240.rar LPC2368的u」· C语言 代码 · 共 56 行

/*
*********************************************************************************************************
*   											 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		: GUI__SetText.C
Purpose 	: Implementation of said function
---------------------------END-OF-HEADER------------------------------
*/

#include <stdlib.h>
#include <string.h>
#include "GUI_Protected.h"

/*********************************************************************
*
*   	Public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	GUI__SetText
*/
int GUI__SetText(GUI_HMEM *phText, const char *s)
{
	int r = 0;
	if (GUI__strcmp_hp(*phText, s) != 0)
	{
		/* Make sure we have a quick out if nothing changes */
		GUI_HMEM hMem;
		hMem = GUI_ALLOC_AllocNoInit(GUI__strlen(s) + 1);
		if (hMem)
		{
			char* pMem;
			pMem = (char *) GUI_ALLOC_h2p(hMem);
			strcpy(pMem, s);
			GUI_ALLOC_FreePtr(phText);
			*phText = hMem;
			r = 1;
		}
	}
	return r;
}

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