63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* This file is part of the Project Athena Zephyr Notification System.
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* It contains source for the ZIfNotice function.
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*
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* Created by: Robert French
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*
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* $Id$
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*
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* Copyright (c) 1987,1988 by the Massachusetts Institute of Technology.
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* For copying and distribution information, see the file
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* "mit-copyright.h".
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*/
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#include <internal.h>
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#ifndef lint
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static const char rcsid_ZIfNotice_c[] = "$Id$";
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#endif
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Code_t
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ZIfNotice(ZNotice_t *notice,
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struct sockaddr_in *from,
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int (*predicate)(ZNotice_t *, void *),
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void *args)
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{
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ZNotice_t tmpnotice;
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Code_t retval;
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char *buffer;
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struct _Z_InputQ *qptr;
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if ((retval = Z_WaitForComplete()) != ZERR_NONE)
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return (retval);
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qptr = Z_GetFirstComplete();
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for (;;) {
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while (qptr) {
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if ((retval = ZParseNotice(qptr->packet, qptr->packet_len,
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&tmpnotice)) != ZERR_NONE)
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return (retval);
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if ((*predicate)(&tmpnotice, args)) {
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if (!(buffer = (char *) malloc((unsigned) qptr->packet_len)))
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return (ENOMEM);
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(void) memcpy(buffer, qptr->packet, qptr->packet_len);
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if (from)
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*from = qptr->from;
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if ((retval = ZParseNotice(buffer, qptr->packet_len,
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notice)) != ZERR_NONE) {
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free(buffer);
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return (retval);
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}
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Z_RemQueue(qptr);
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return (ZERR_NONE);
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}
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qptr = Z_GetNextComplete(qptr);
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}
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if ((retval = Z_ReadWait()) != ZERR_NONE)
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return (retval);
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qptr = Z_GetFirstComplete(); /* need to look over all of
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the queued messages, in case
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a fragment has been reassembled */
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}
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}
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