-
-/*****************************************************************************
- * inet_pton replacement for obsolete and/or crap operating systems
- *****************************************************************************/
-int vlc_inet_pton(int af, const char *src, void *dst)
-{
-#ifndef HAVE_INET_PTON
- /* Windows Vista has inet_pton(), but not XP. */
- /* We have a pretty good example of abstraction inversion here... */
- struct addrinfo hints = {
- .ai_family = af,
- .ai_socktype = SOCK_DGRAM, /* make sure we have... */
- .ai_protocol = IPPROTO_UDP, /* ...only one response */
- .ai_flags = AI_NUMERICHOST,
- }, *res;
-
- if (getaddrinfo (src, NULL, &hints, &res))
- return -1;
-
- const void *data;
- size_t len;
-
- switch (af)
- {
- case AF_INET:
- data = &((const struct sockaddr_in *)res->ai_addr)->sin_addr;
- len = 4;
- break;
-#ifdef AF_INET6
- case AF_INET6:
- data = &((const struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
- len = 16;
- break;
-#endif
- default:
- errno = EAFNOSUPPORT;
- return -1;
- }
- memcpy (dst, data, len);
- return 0;
-#else /* HAVE_INET_PTON */
- return inet_pton( af, src, dst );
-#endif /* HAVE_INET_PTON */
-}
-
-const char *vlc_inet_ntop(int af, const void * src,
- char * dst, socklen_t cnt)
-{
-#ifndef HAVE_INET_NTOP
-#ifdef WIN32
- switch( af )
- {
-#ifdef AF_INET6
- case AF_INET6:
- {
- struct sockaddr_in6 addr;
- memset(&addr, 0, sizeof(addr));
- addr.sin6_family = AF_INET6;
- addr.sin6_addr = *((struct in6_addr*)src);
- if( 0 == WSAAddressToStringA((LPSOCKADDR)&addr,
- sizeof(struct sockaddr_in6),
- NULL, dst, &cnt) )
- {
- dst[cnt] = '\0';
- return dst;
- }
- errno = WSAGetLastError();
- return NULL;
-
- }
-
-#endif
- case AF_INET:
- {
- struct sockaddr_in addr;
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_addr = *((struct in_addr*)src);
- if( 0 == WSAAddressToStringA((LPSOCKADDR)&addr,
- sizeof(struct sockaddr_in),
- NULL, dst, &cnt) )
- {
- dst[cnt] = '\0';
- return dst;
- }
- errno = WSAGetLastError();
- return NULL;
-
- }
- }
- errno = EAFNOSUPPORT;
- return NULL;
-#else /* WIN32 */
- return NULL;
-#endif /* WIN32 */
-#else /* HAVE_INET_NTOP */
- return inet_ntop( af, src, dst, cnt );
-#endif /* HAVE_INET_NTOP */
-}
-