src/protocols/zephyr/ZRecvNot.c

   1 /* This file is part of the Project Athena Zephyr Notification System.
   2  * It contains source for ZReceiveNotice function.
   3  *
   4  *      Created by:     Robert French
   5  *
   6  *      $Source$
   7  *      $Author: warmenhoven $
   8  *
   9  *      Copyright (c) 1987,1988 by the Massachusetts Institute of Technology.
  10  *      For copying and distribution information, see the file
  11  *      "mit-copyright.h".
  12  */
  13 /* $Header$ */
  14
  15 #ifndef lint
  16 static char rcsid_ZReceiveNotice_c[] = "$Header$";
  17 #endif
  18
  19 #include <internal.h>
  20
  21 Code_t ZReceiveNotice(notice, from)
  22     ZNotice_t *notice;
  23     struct sockaddr_in *from;
  24 {
  25     char *buffer;
  26     struct _Z_InputQ *nextq;
  27     int len, auth;
  28     Code_t retval;
  29
  30     if ((retval = Z_WaitForComplete()) != ZERR_NONE)
  31         return (retval);
  32
  33     nextq = Z_GetFirstComplete();
  34
  35     len = nextq->packet_len;
  36
  37     if (!(buffer = (char *) malloc((unsigned) len)))
  38         return (ENOMEM);
  39
  40     if (from)
  41         *from = nextq->from;
  42
  43     (void) memcpy(buffer, nextq->packet, len);
  44
  45     auth = nextq->auth;
  46     Z_RemQueue(nextq);
  47
  48     if ((retval = ZParseNotice(buffer, len, notice)) != ZERR_NONE)
  49         return (retval);
  50     notice->z_checked_auth = auth;
  51     return ZERR_NONE;
  52 }