| #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 |
| WspiapiLookupNode (const char *pszNodeName, |
| int iSocketType, int iProtocol, |
| WORD wPort, WINBOOL bAI_CANONNAME, |
| struct addrinfo **pptResult) |
| { |
| int err = 0, cntAlias = 0; |
| char name[NI_MAXHOST] = ""; |
| char alias[NI_MAXHOST] = ""; |
| char *pname = name, *palias = alias, *tmp = NULL; |
| |
| strncpy (pname, pszNodeName, NI_MAXHOST - 1); |
| pname[NI_MAXHOST - 1] = 0; |
| for (;;) |
| { |
| err = WspiapiQueryDNS (pszNodeName, iSocketType, iProtocol, wPort, palias, pptResult); |
| if (err) |
| break; |
| if (*pptResult) |
| break; |
| ++cntAlias; |
| if (strlen (palias) == 0 || !strcmp (pname, palias) || cntAlias == 16) |
| { |
| err = EAI_FAIL; |
| break; |
| } |
| WspiapiSwap(pname, palias, tmp); |
| } |
| if (!err && bAI_CANONNAME) |
| { |
| (*pptResult)->ai_canonname = WspiapiStrdup (palias); |
| if (!(*pptResult)->ai_canonname) |
| err = EAI_MEMORY; |
| } |
| return err; |
| } |
