libpurple/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  *      Copyright (c) 1987,1988 by the Massachusetts Institute of Technology.
   7  *      For copying and distribution information, see the file
   8  *      "mit-copyright.h".
   9  */
  10
  11 #include "internal.h"
  12
  13 Code_t ZReceiveNotice(notice, from)
  14     ZNotice_t *notice;
  15     struct sockaddr_in *from;
  16 {
  17     char *buffer;
  18     struct _Z_InputQ *nextq;
  19     int len, auth;
  20     Code_t retval;
  21
  22     if ((retval = Z_WaitForComplete()) != ZERR_NONE)
  23         return (retval);
  24
  25     nextq = Z_GetFirstComplete();
  26
  27     if (!nextq)
  28             return (ENOMEM);
  29
  30     len = nextq->packet_len;
  31
  32     if (!(buffer = (char *) malloc((unsigned) len)))
  33         return (ENOMEM);
  34
  35     if (from)
  36         *from = nextq->from;
  37
  38     (void) memcpy(buffer, nextq->packet, len);
  39
  40     auth = nextq->auth;
  41     Z_RemQueue(nextq);
  42
  43     if ((retval = ZParseNotice(buffer, len, notice)) != ZERR_NONE)
  44         return (retval);
  45     notice->z_checked_auth = auth;
  46     return ZERR_NONE;
  47 }