static int
_gethostbyname(const char *name, int af, struct hostent *ret, char *buf,
size_t buflen, int *h_errnop)
{
struct asr_query *as;
struct asr_result ar;
int r;
if (af == -1)
as = gethostbyname_async(name, NULL);
else
as = gethostbyname2_async(name, af, NULL);
if (as == NULL)
return (errno);
asr_run_sync(as, &ar);
errno = ar.ar_errno;
*h_errnop = ar.ar_h_errno;
if (ar.ar_hostent == NULL)
return (0);
r = _fillhostent(ar.ar_hostent, ret, buf, buflen);
free(ar.ar_hostent);
return (r);
}
static struct hostent *
_gethostbyname(const char *name, int af)
{
struct async *as;
struct async_res ar;
if (af == -1)
as = gethostbyname_async(name, NULL);
else
as = gethostbyname2_async(name, af, NULL);
if (as == NULL) {
h_errno = NETDB_INTERNAL;
return (NULL);
}
async_run_sync(as, &ar);
errno = ar.ar_errno;
h_errno = ar.ar_h_errno;
if (ar.ar_hostent == NULL)
return (NULL);
_fillhostent(ar.ar_hostent, &_hostent, _entbuf, sizeof(_entbuf));
free(ar.ar_hostent);
return (&_hostent);
}
struct async *
gethostbyname_async(const char *name, struct asr *asr)
{
return gethostbyname2_async(name, AF_INET, asr);
}
struct asr_query *
gethostbyname_async(const char *name, void *asr)
{
return gethostbyname2_async(name, AF_INET, asr);
}