int ZPending()
{
int retval;
if (ZGetFD() < 0) {
errno = ZERR_NOPORT;
return (-1);
}
if ((retval = Z_ReadEnqueue()) != ZERR_NONE) {
errno = retval;
return (-1);
}
return(ZQLength());
}
Code_t
ZCheckIfNotice(ZNotice_t *notice,
struct sockaddr_in *from,
register int (*predicate)(ZNotice_t *, void *),
void *args)
{
ZNotice_t tmpnotice;
Code_t retval;
register char *buffer;
register struct _Z_InputQ *qptr;
if ((retval = Z_ReadEnqueue()) != ZERR_NONE)
return (retval);
qptr = Z_GetFirstComplete();
while (qptr) {
if ((retval = ZParseNotice(qptr->packet, qptr->packet_len,
&tmpnotice)) != ZERR_NONE)
return (retval);
if ((*predicate)(&tmpnotice, args)) {
if (!(buffer = (char *) malloc((unsigned) qptr->packet_len)))
return (ENOMEM);
(void) memcpy(buffer, qptr->packet, qptr->packet_len);
if (from)
*from = qptr->from;
if ((retval = ZParseNotice(buffer, qptr->packet_len,
notice)) != ZERR_NONE) {
free(buffer);
return (retval);
}
Z_RemQueue(qptr);
return (ZERR_NONE);
}
qptr = Z_GetNextComplete(qptr);
}
return (ZERR_NONOTICE);
}
