newuserdlg.cpp

大型实验：Unix文件管系统模拟。用内存中的一段区域模拟硬盘空间

// NewUserDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileSys.h"
#include "NewUserDlg.h"
#include "filsys.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CNewUserDlg dialog


CNewUserDlg::CNewUserDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CNewUserDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CNewUserDlg)
	m_uname = _T("");
	m_pword = _T("");
	m_grup = 1;
	//}}AFX_DATA_INIT
}


void CNewUserDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNewUserDlg)
	DDX_Text(pDX, IDC_EDIT1, m_uname);
	DDV_MaxChars(pDX, m_uname, 15);
	DDX_Text(pDX, IDC_EDIT2, m_pword);
	DDV_MaxChars(pDX, m_pword, 15);
	DDX_Text(pDX, IDC_EDIT3, m_grup);
	DDV_MinMaxUInt(pDX, m_grup, 1, 3);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CNewUserDlg, CDialog)
	//{{AFX_MSG_MAP(CNewUserDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNewUserDlg message handlers

void CNewUserDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(true);
	for(int i=0; i<PWDNUM && (pwd[i].p_uid != 0); ++i)
	{
		if(strcmp(pwd[i].username,m_uname.GetBuffer(m_uname.GetLength()))==0){
			MessageBox("已存在这个用户！","系统提示");
			m_uname = "";
			UpdateData(false);
			return ;
		}
	}
	switch(m_grup)
	{
	case 1:
		pwd[i].p_gid = 1;
		break;

	case 2:
		pwd[i].p_gid = 2;
		break;
	case 3:
		pwd[i].p_gid = 4;
		break;
	default :
		return;
	}
	pwd[i].p_uid = pwd[i-1].p_uid+1;
	strcpy(pwd[i].username,m_uname.GetBuffer(m_uname.GetLength()));
	strcpy(pwd[i].password,m_pword.GetBuffer(m_pword.GetLength()));


	CDialog::OnOK();
}