libpurple/protocols/zephyr/ZPending.c

   1 /* This file is part of the Project Athena Zephyr Notification System.
   2  * It contains source for the ZPending function.
   3  *
   4  *      Created by:     Robert French
   5  *
   6  *      Copyright (c) 1987 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 int ZPending()
  14 {
  15         int retval;
  16
  17         if (ZGetFD() < 0) {
  18                 errno = ZERR_NOPORT;
  19                 return (-1);
  20         }
  21
  22         if ((retval = Z_ReadEnqueue()) != ZERR_NONE) {
  23                 errno = retval;
  24                 return (-1);
  25         }
  26
  27         return(ZQLength());
  28 }