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util.cpp
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2001-10-08
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/*
Nullsoft WASABI Source File License
Copyright 1999-2001 Nullsoft, Inc.
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Brennan Underwood
brennan@nullsoft.com
*/
/*
** 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"
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 long JNL::ipstr_to_addr(const char *cp)
{
return ::inet_addr(cp);
}
void JNL::addr_to_ipstr(unsigned long addr, char *host, int maxhostlen)
{
struct in_addr a; a.s_addr=addr;
char *p=::inet_ntoa(a); strncpy(host,p?p:"",maxhostlen);
}