www.pudn.com > evil¡¯s illusion Server Codes.rar > DynamicArray.cpp

#include "stdafx.h" 
 
CWHDynamicArray::CWHDynamicArray() 
{ 
	InitializeCriticalSection(&m_cs); 
 
	m_nLastRemoveIndex = 0; 
	m_nLastInsertIndex = 0; 
 
	for (int i = 0; i < _MAX_USER_ARRAY; i++) 
		m_Elements[i] = NULL; 
} 
 
CWHDynamicArray::~CWHDynamicArray() 
{ 
	DeleteCriticalSection(&m_cs); 
} 
 
int CWHDynamicArray::AttachData(VOID *pElement) 
{ 
	int nIndex = -1; 
 
	EnterCriticalSection(&m_cs); 
 
	__try 
	{ 
		nIndex = m_nLastRemoveIndex; 
 
		if (m_Elements[nIndex] == NULL) 
		{ 
			m_Elements[nIndex] = pElement; 
			__leave; 
		} 
 
		for (int i = m_nLastInsertIndex; i < _MAX_USER_ARRAY; i++) 
		{ 
			if (m_Elements[nIndex] == NULL) 
			{ 
				m_Elements[nIndex] = pElement; 
				m_nLastInsertIndex = nIndex; 
				__leave; 
			} 
		} 
 
		for (i = 0; i < m_nLastInsertIndex; i++) 
		{ 
			if (m_Elements[nIndex] == NULL) 
			{ 
				m_Elements[nIndex] = pElement; 
				m_nLastInsertIndex = nIndex; 
				break; 
			} 
		} 
	} 
	__finally 
	{ 
		LeaveCriticalSection(&m_cs); 
	} 
 
	return nIndex; 
} 
 
void CWHDynamicArray::DettachData(int nIndex) 
{ 
	EnterCriticalSection(&m_cs); 
 
	__try 
	{ 
		m_Elements[nIndex] = NULL; 
		m_nLastRemoveIndex = nIndex; 
	} 
	__finally 
	{ 
		LeaveCriticalSection(&m_cs); 
	} 
}