// GetIplist.cpp : Defines the entry point for the console application.
//
// 程序功能：取出本机的所有IP，保存为一个字符串列表
// 作者：someone(阿风)
// windows xp + sp2 , vc6 + sp5编译通过
//
#include <iostream>
using std::cin;
using std::cout;
using std::cerr;
using std::endl;
#include <list>
using std::list;
#include <string>
using std::string;
#include <winsock2.h>
#pragma comment( lib, "ws2_32.lib" )
bool GetIpList( list<string> &r_iplist )
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 )
{
cout << "WSAStartup failed !" << endl;
return false;
}
char szhn[256];
int nStatus = gethostname(szhn, sizeof(szhn));
if (nStatus == SOCKET_ERROR )
{
cout << "gethostname failed, Error code: " << WSAGetLastError() << endl;
return false;
}
HOSTENT *host = gethostbyname(szhn);
if (host != NULL)
{
for ( int i=0; ; i++ )
{
r_iplist.push_back( inet_ntoa( *(IN_ADDR*)host->h_addr_list[i] ) ) ;
if ( host->h_addr_list[i] + host->h_length >= host->h_name )
break;
}
}
WSACleanup();
return true;
}
int main(int argc, char *argv[])
{
list<string> iplist;
std::list<string>::iterator ip;
if ( !GetIpList( iplist ) )
{
cout << "Get ip list failed !" << endl;
return -1;
}
cout << "IP list :" << endl;
for ( ip = iplist.begin(); ip != iplist.end(); ip++ )
{
cout << " " << *ip << endl;
}
return 0;
}
