vxwlstlib.cpp

来自「vxworks源码源码解读是学习vxworks的最佳途径」· C++ 代码 · 共 60 行

// vxwLstLib.cpp - simple linked list class

// Copyright 1995-1999 Wind River Systems, Inc.

#include "copyright_wrs.h"

//
// modification history
// --------------------
// 01b,23feb99,fle  doc : made it refgen compliant
// 01a,15jun95,srh  written.
//

// IMPLEMENTS ../../../h/vxwLstLib.h VXWList

#include "vxWorks.h"
#include "vxwLstLib.h"

VXWList::VXWList (const VXWList & aList)
    {
    lstInit (&list_);

    NODE * pLastNode = aList.last ();
    NODE * pNode = aList.first ();

    while (pNode)
	{
	add (pNode);
	if (pNode == pLastNode)
	    break;
	pNode = aList.next (pNode);
	}
    }

VXWList &
VXWList::operator = (const VXWList & aList)
    {
    if (this != &aList)
	{
    
	lstFree (&list_);
	lstInit (&list_);
    
	NODE * pLastNode = aList.last ();
	NODE * pNode = aList.first ();

	while (pNode)
	    {
	    add (pNode);
	    if (pNode == pLastNode)
		break;
	    pNode = aList.next (pNode);
	    }
	}

    return *this;
    }

char __vxwLstLib_o; // for forced linking in src/config/cplus*.c