brw_data.c

好记星的控件,包括button,list,对文件操作

/**************************************************************************
                                                                          
              Copyright (C) 2005 SHENZHEN MEIJIN CO.LTD                   
                                                                          
 FILE NAME:   brw_data.C                                                      
 MODULE NAME: browser                                                        
 DESCRIPTION: 提供了浏览器变量的定义
 对外函数声明:

	BROWSER_STACK_ALLOC		内部堆栈申请
	BROWSER_STACK_FREE		内部堆栈释放
说明: 这个模拟的堆栈是为了解决平凡的内存申请带来的内存碎片		
**************************************************************************
    DTAE       AUTHOR     VERSION                 REMARKS                 
 =========== ==========  =========  ======================================
 2006-3-5    gaolinhui    V1.0					create                               
***************************************************************************/
#include "kernel.h"
#include "BrowserIn.h"

#ifdef __DEBUG__
#include "assert.h"
#endif

CMDEXP g_BrwCmdExp;
BrwCmdEx g_mBrwCmdParam;

void* BROWSER_STACK_ALLOC(MBrowser* pBrw, UINT uSize)
{
	if(pBrw->pBrwInfo->mBrowserStack.uStackPointer+uSize 
			>= pBrw->pBrwInfo->mBrowserStack.uStackSize)
	{
#ifdef __DEBUG__
		assert(0);		
#endif
		return (void*)NULL;
	}
	else
	{
		pBrw->pBrwInfo->mBrowserStack.uStackPointer += uSize;
		return (void*)(pBrw->pBrwInfo->mBrowserStack.pStackBuf+pBrw->pBrwInfo->mBrowserStack.uStackPointer);
	}
}

void BROWSER_STACK_FREE(MBrowser* pBrw, UINT uSize)
{
	if(pBrw->pBrwInfo->mBrowserStack.uStackPointer >= uSize)
		pBrw->pBrwInfo->mBrowserStack.uStackPointer -= uSize;
}