diff options
Diffstat (limited to 'libX11/src/PutBEvent.c')
-rw-r--r-- | libX11/src/PutBEvent.c | 175 |
1 files changed, 87 insertions, 88 deletions
diff --git a/libX11/src/PutBEvent.c b/libX11/src/PutBEvent.c index 521df407c..9193cc3b4 100644 --- a/libX11/src/PutBEvent.c +++ b/libX11/src/PutBEvent.c @@ -1,88 +1,87 @@ -/* - -Copyright 1986, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -/* XPutBackEvent puts an event back at the head of the queue. */ -#define NEED_EVENTS -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" - -int -_XPutBackEvent ( - register Display *dpy, - register XEvent *event) - { - register _XQEvent *qelt; - XEvent store = *event; - - if (!dpy->qfree) { - if ((dpy->qfree = (_XQEvent *) Xmalloc (sizeof (_XQEvent))) == NULL) { - return 0; - } - dpy->qfree->next = NULL; - } - - /* unclaimed cookie? */ - if (_XIsEventCookie(dpy, event)) - { - XEvent copy = {0}; - /* if not claimed, then just fetch and store again */ - if (!event->xcookie.data) { - _XFetchEventCookie(dpy, &event->xcookie); - store = *event; - } else { /* if claimed, copy, client must free */ - _XCopyEventCookie(dpy, &event->xcookie, ©.xcookie); - store = copy; - } - } - - qelt = dpy->qfree; - dpy->qfree = qelt->next; - qelt->qserial_num = dpy->next_event_serial_num++; - qelt->next = dpy->head; - qelt->event = store; - dpy->head = qelt; - if (dpy->tail == NULL) - dpy->tail = qelt; - dpy->qlen++; - return 0; - } - -int -XPutBackEvent ( - register Display * dpy, - register XEvent *event) - { - int ret; - - LockDisplay(dpy); - ret = _XPutBackEvent(dpy, event); - UnlockDisplay(dpy); - return ret; - } +/*
+
+Copyright 1986, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/* XPutBackEvent puts an event back at the head of the queue. */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+int
+_XPutBackEvent (
+ register Display *dpy,
+ register XEvent *event)
+ {
+ register _XQEvent *qelt;
+ XEvent store = *event;
+
+ if (!dpy->qfree) {
+ if ((dpy->qfree = (_XQEvent *) Xmalloc (sizeof (_XQEvent))) == NULL) {
+ return 0;
+ }
+ dpy->qfree->next = NULL;
+ }
+
+ /* unclaimed cookie? */
+ if (_XIsEventCookie(dpy, event))
+ {
+ XEvent copy = {0};
+ /* if not claimed, then just fetch and store again */
+ if (!event->xcookie.data) {
+ _XFetchEventCookie(dpy, &event->xcookie);
+ store = *event;
+ } else { /* if claimed, copy, client must free */
+ _XCopyEventCookie(dpy, &event->xcookie, ©.xcookie);
+ store = copy;
+ }
+ }
+
+ qelt = dpy->qfree;
+ dpy->qfree = qelt->next;
+ qelt->qserial_num = dpy->next_event_serial_num++;
+ qelt->next = dpy->head;
+ qelt->event = store;
+ dpy->head = qelt;
+ if (dpy->tail == NULL)
+ dpy->tail = qelt;
+ dpy->qlen++;
+ return 0;
+ }
+
+int
+XPutBackEvent (
+ register Display * dpy,
+ register XEvent *event)
+ {
+ int ret;
+
+ LockDisplay(dpy);
+ ret = _XPutBackEvent(dpy, event);
+ UnlockDisplay(dpy);
+ return ret;
+ }
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