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Annotation of researchv9/X11/src/X.V11R1/lib/X/XPutBEvent.c, revision 1.1.1.1

1.1       root        1: #include "copyright.h"
                      2: 
                      3: /* Copyright   Massachusetts Institute of Technology  1986 */
                      4: /* $Header: XPutBEvent.c,v 11.8 87/09/11 08:05:41 toddb Exp $ */
                      5: /* XPutBackEvent puts an event back at the head of the queue. */
                      6: #define NEED_EVENTS
                      7: #include "Xlibint.h"
                      8: 
                      9: extern _XQEvent *_qfree;
                     10: 
                     11: XPutBackEvent (dpy, event)
                     12:        register Display *dpy;
                     13:        register XEvent *event;
                     14:        {
                     15:        register _XQEvent *qelt;
                     16: 
                     17:        LockDisplay(dpy);
                     18:        if (!_qfree) {
                     19:            _qfree = (_XQEvent *) Xmalloc (sizeof (_XQEvent));
                     20:            _qfree->next = NULL;
                     21:            }
                     22:        qelt = _qfree;
                     23:        _qfree = qelt->next;
                     24:        qelt->next = dpy->head;
                     25:        qelt->event = *event;
                     26:        dpy->head = qelt;
                     27:        if (dpy->tail == NULL)
                     28:            dpy->tail = qelt;
                     29:        dpy->qlen++;
                     30:        UnlockDisplay(dpy);
                     31:        }

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