struct hostent *
tds_gethostbyaddr_r(const char *addr, int len, int type, struct hostent *result, char *buffer, int buflen, int *h_errnop)
{
#if defined(NETDB_REENTRANT)
return gethostbyaddr(addr, len, type);
#elif defined(HAVE_GETIPNODEBYADDR)
struct hostent *he = getipnodebyaddr(addr, len, type, h_errnop);
if (!he)
return NULL;
if (tds_copy_hostent(he, result, buffer, buflen)) {
errno = ENOMEM;
if (h_errnop)
*h_errnop = NETDB_INTERNAL;
freehostent(he);
return NULL;
}
freehostent(he);
return result;
#elif defined(HAVE_FUNC_GETHOSTBYADDR_R_8)
if (gethostbyaddr_r(addr, len, type, result, buffer, buflen, &result, h_errnop))
return NULL;
return result;
#elif defined(HAVE_FUNC_GETHOSTBYADDR_R_7)
result = gethostbyaddr_r(addr, len, type, result, buffer, buflen, h_errnop);
return result;
#elif defined(HAVE_FUNC_GETHOSTBYADDR_R_5)
struct hostent_data *data = (struct hostent_data *) buffer;
memset(buffer, 0, buflen);
if (gethostbyaddr_r(addr, len, type, result, data)) {
*h_errnop = 0;
result = NULL;
}
return result;
#elif defined(TDS_NO_THREADSAFE)
return gethostbyaddr(addr, len, type);
#else
#error gethostbyaddr_r style unknown
#endif
}
struct hostent *
tds_gethostbyname_r(const char *servername, struct hostent *result, char *buffer, int buflen, int *h_errnop)
{
struct hostent *he = getipnodebyname(servername, AF_INET, 0, h_errnop);
if (!he)
return NULL;
if (tds_copy_hostent(he, result, buffer, buflen)) {
errno = ENOMEM;
if (h_errnop)
*h_errnop = NETDB_INTERNAL;
freehostent(he);
return NULL;
}
freehostent(he);
return result;
}
struct hostent *
tds_gethostbyname_r(const char *servername, struct hostent *result, char *buffer, int buflen, int *h_errnop)
{
#if defined(NETDB_REENTRANT)
return gethostbyname(servername);
/* we have a better replacements */
#elif defined(HAVE_GETIPNODEBYNAME)
struct hostent *he = getipnodebyname(servername, AF_INET, 0, h_errnop);
if (!he)
return NULL;
if (tds_copy_hostent(he, result, buffer, buflen)) {
errno = ENOMEM;
if (h_errnop)
*h_errnop = NETDB_INTERNAL;
freehostent(he);
return NULL;
}
freehostent(he);
return result;
#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_6)
if (gethostbyname_r(servername, result, buffer, buflen, &result, h_errnop))
return NULL;
return result;
#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_5)
result = gethostbyname_r(servername, result, buffer, buflen, h_errnop);
return result;
#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_3)
struct hostent_data *data = (struct hostent_data *) buffer;
memset(buffer, 0, buflen);
if (gethostbyname_r(servername, result, data)) {
*h_errnop = 0;
result = NULL;
}
return result;
#else
#error gethostbyname_r style unknown
#endif
}
