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#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#undef __CRT__NO_INLINE
#define __CRT__NO_INLINE
#include <winsock2.h>
#include <wspiapi.h>
int WINAPI
WspiapiLegacyGetAddrInfo(const char *pszNodeName,
const char *pszServiceName,
const struct addrinfo *ptHints,
struct addrinfo **pptResult)
{
int err = 0, iFlags = 0, iFamily = PF_UNSPEC, iSocketType = 0, iProtocol = 0;
struct in_addr inAddress;
struct servent *svc = NULL;
char *pc = NULL;
WINBOOL isCloned = FALSE;
WORD tcpPort = 0, udpPort = 0, port = 0;
*pptResult = NULL;
if (!pszNodeName && !pszServiceName)
return EAI_NONAME;
if (ptHints)
{
if (ptHints->ai_addrlen != 0 || ptHints->ai_canonname != NULL
|| ptHints->ai_addr!=NULL || ptHints->ai_next != NULL)
return EAI_FAIL;
iFlags = ptHints->ai_flags;
if ((iFlags & AI_CANONNAME) != 0 && !pszNodeName)
return EAI_BADFLAGS;
iFamily = ptHints->ai_family;
if (iFamily != PF_UNSPEC && iFamily != PF_INET)
return EAI_FAMILY;
iSocketType = ptHints->ai_socktype;
if (iSocketType != 0 && iSocketType != SOCK_STREAM && iSocketType != SOCK_DGRAM
&& iSocketType != SOCK_RAW)
return EAI_SOCKTYPE;
iProtocol = ptHints->ai_protocol;
}
if (pszServiceName)
{
port = (WORD) strtoul (pszServiceName, &pc, 10);
if(*pc == 0)
{
port = tcpPort = udpPort = htons (port);
if (iSocketType == 0)
{
isCloned = TRUE;
iSocketType = SOCK_STREAM;
}
}
else
{
if (iSocketType == 0 || iSocketType == SOCK_DGRAM)
{
svc = getservbyname(pszServiceName, "udp");
if (svc)
port = udpPort = svc->s_port;
}
if (iSocketType == 0 || iSocketType == SOCK_STREAM)
{
svc = getservbyname(pszServiceName, "tcp");
if (svc)
port = tcpPort = svc->s_port;
}
if (port == 0)
return (iSocketType ? EAI_SERVICE : EAI_NONAME);
if (iSocketType==0)
{
iSocketType = (tcpPort) ? SOCK_STREAM : SOCK_DGRAM;
isCloned = (tcpPort && udpPort);
}
}
}
if (!pszNodeName || WspiapiParseV4Address(pszNodeName,&inAddress.s_addr))
{
if (!pszNodeName)
{
inAddress.s_addr = htonl ((iFlags & AI_PASSIVE) ? INADDR_ANY : INADDR_LOOPBACK);
}
*pptResult = WspiapiNewAddrInfo(iSocketType, iProtocol, port, inAddress.s_addr);
if (!(*pptResult))
err = EAI_MEMORY;
if (!err && pszNodeName)
{
(*pptResult)->ai_flags |= AI_NUMERICHOST;
if (iFlags & AI_CANONNAME)
{
(*pptResult)->ai_canonname =
WspiapiStrdup (inet_ntoa (inAddress));
if (!(*pptResult)->ai_canonname)
err = EAI_MEMORY;
}
}
}
else if (iFlags & AI_NUMERICHOST)
err = EAI_NONAME;
else
err = WspiapiLookupNode (pszNodeName, iSocketType, iProtocol, port,
(iFlags & AI_CANONNAME), pptResult);
if (!err && isCloned)
err = WspiapiClone(udpPort, *pptResult);
if (err)
{
WspiapiLegacyFreeAddrInfo (*pptResult);
*pptResult = NULL;
}
return err;
}
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