Code_t ZReceiveNotice(ZNotice_t *notice, struct sockaddr_in *from) { char *buffer; struct _Z_InputQ *nextq; int len, auth; Code_t retval; if ((retval = Z_WaitForComplete()) != ZERR_NONE) return (retval); nextq = Z_GetFirstComplete(); if (!nextq) return (ENOMEM); len = nextq->packet_len; if (!(buffer = (char *) malloc((unsigned) len))) return (ENOMEM); if (from) *from = nextq->from; (void) memcpy(buffer, nextq->packet, len); auth = nextq->auth; Z_RemQueue(nextq); if ((retval = ZParseNotice(buffer, len, notice)) != ZERR_NONE) return (retval); notice->z_checked_auth = auth; return ZERR_NONE; }
Code_t ZIfNotice(ZNotice_t *notice, struct sockaddr_in *from, int (*predicate)(ZNotice_t *, void *), void *args) { ZNotice_t tmpnotice; Code_t retval; char *buffer; struct _Z_InputQ *qptr; if ((retval = Z_WaitForComplete()) != ZERR_NONE) return (retval); qptr = Z_GetFirstComplete(); for (;;) { 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); } if ((retval = Z_ReadWait()) != ZERR_NONE) return (retval); qptr = Z_GetFirstComplete(); /* need to look over all of the queued messages, in case a fragment has been reassembled */ } }