45 lines
917 B
C
45 lines
917 B
C
/* This file is part of the Project Athena Zephyr Notification System.
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* It contains source for ZReceivePacket 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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#ifndef lint
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static const char rcsid_ZReceivePacket_c[] = "$Id$";
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#endif
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#include <internal.h>
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Code_t
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ZReceivePacket(ZPacket_t buffer,
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int *ret_len,
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struct sockaddr_in *from)
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{
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Code_t retval;
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struct _Z_InputQ *nextq;
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if ((retval = Z_WaitForComplete()) != ZERR_NONE)
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return (retval);
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nextq = Z_GetFirstComplete();
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*ret_len = nextq->packet_len;
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if (*ret_len > Z_MAXPKTLEN)
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return (ZERR_PKTLEN);
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(void) memcpy(buffer, nextq->packet, *ret_len);
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if (from)
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*from = nextq->from;
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Z_RemQueue(nextq);
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return (ZERR_NONE);
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}
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