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/* POSIX emulation layer for Windows.
*
* Copyright (C) 2008 Robin Burchell <w00t@inspircd.org>
* Copyright (C) 2008 Anope Team <info@anope.org>
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*
* $Id$
*
*/
#ifdef WIN32
#include "services.h"
const char *dlerror()
{
static char errbuf[513];
DWORD err = GetLastError();
if (!err)
return NULL;
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, err, 0, errbuf, 512, NULL);
return errbuf;
}
/** This is inet_pton, but it works on Windows
* @param af The protocol type, AF_INET or AF_INET6
* @param src The address
* @param dst Struct to put results in
* @return 1 on sucess, -1 on error
*/
int inet_pton(int af, const char *src, void *dst)
{
int address_length;
sockaddr_storage sa;
sockaddr_in *sin = reinterpret_cast<sockaddr_in *>(&sa);
sockaddr_in6 *sin6 = reinterpret_cast<sockaddr_in6 *>(&sa);
switch (af)
{
case AF_INET:
address_length = sizeof(sockaddr_in);
break;
case AF_INET6:
address_length = sizeof(sockaddr_in6);
break;
default:
return -1;
}
if (WSAStringToAddress((LPSTR) src, af, NULL, reinterpret_cast<LPSOCKADDR>(&sa), &address_length) == 0)
{
switch (af)
{
case AF_INET:
memcpy(dst, &sin->sin_addr, sizeof(in_addr));
break;
case AF_INET6:
memcpy(dst, &sin6->sin6_addr, sizeof(in6_addr));
break;
}
return 1;
}
return 0;
}
/** This is inet_ntop, but it works on Windows
* @param af The protocol type, AF_INET or AF_INET6
* @param src Network address structure
* @param dst After converting put it here
* @param size sizeof the dest
* @return dst
*/
const char *inet_ntop(int af, const void *src, char *dst, size_t size)
{
int address_length;
DWORD string_length = size;
sockaddr_storage sa;
sockaddr_in *sin = reinterpret_cast<sockaddr_in *>(&sa);
sockaddr_in6 *sin6 = reinterpret_cast<sockaddr_in6 *>(&sa);
memset(&sa, 0, sizeof(sa));
switch (af)
{
case AF_INET:
address_length = sizeof(sockaddr_in);
sin->sin_family = af;
memcpy(&sin->sin_addr, src, sizeof(in_addr));
break;
case AF_INET6:
address_length = sizeof(sockaddr_in6);
sin6->sin6_family = af;
memcpy(&sin6->sin6_addr, src, sizeof(in6_addr));
break;
default:
return NULL;
}
if (WSAAddressToString(reinterpret_cast<LPSOCKADDR>(&sa), address_length, NULL, dst, &string_length) == 0)
return dst;
return NULL;
}
#endif
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