4.3BSD - /usr/src/new/X/Xlib/XPutBackEvent.c

   1: #include <X/mit-copyright.h>
   2: 
   3: /* Copyright 	Massachusetts Institute of Technology  1985 */
   4: /* $Header: XPutBackEvent.c,v 10.5 86/02/01 15:38:34 tony Rel $ */
   5: /* XPutBackEvent puts an event back at the head of the queue. */
   6: 
   7: #include "XlibInternal.h"
   8: 
   9: extern _QEvent *_qfree;
  10: 
  11: XPutBackEvent (event)
  12:     register XEvent *event;
  13:     {
  14:     register _QEvent *qelt;
  15:     register Display *dpy = _XlibCurrentDisplay;
  16:     if (!_qfree) {
  17:             _qfree = (_QEvent *) malloc (sizeof (_QEvent));
  18:         _qfree->next = NULL;
  19:         }
  20:     qelt = _qfree;
  21:     _qfree = qelt->next;
  22:     qelt->next = dpy->head;
  23:     qelt->event = *event;
  24:     dpy->head = qelt;
  25:     if (dpy->tail == NULL)
  26:         dpy->tail = qelt;
  27:     dpy->qlen++;
  28:     }

Defined functions