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util.cpp
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38 lines (34 loc) · 711 Bytes
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/*
** JNetLib
** Copyright (C) 2000-2001 Nullsoft, Inc.
** Author: Justin Frankel
** File: util.cpp - JNL implementation of basic network utilities
** License: see jnetlib.h
*/
#include "netinc.h"
#include "util.h"
#include "../wdlcstring.h"
int JNL::open_socketlib()
{
#ifdef _WIN32
WSADATA wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData)) return 1;
#endif
return 0;
}
void JNL::close_socketlib()
{
#ifdef _WIN32
WSACleanup();
#endif
}
unsigned int JNL::ipstr_to_addr(const char *cp)
{
return ::inet_addr(cp);
}
void JNL::addr_to_ipstr(unsigned int addr, char *host, int maxhostlen)
{
struct in_addr a; a.s_addr=addr;
char *p=::inet_ntoa(a);
lstrcpyn_safe(host,p?p:"",maxhostlen);
}