From dbca69c8a4f3e2d1ccb4f89152213b2861b33af6 Mon Sep 17 00:00:00 2001
From: Matthieu Herrb <matthieu@cvs.openbsd.org>
Date: Sun, 2 Nov 2008 15:26:35 +0000
Subject: xserver 1.5.2. tested by ckuethe@, oga@, and others.

---
 xserver/Xi/closedev.c | 98 ++++++++++++++++++++++++---------------------------
 1 file changed, 46 insertions(+), 52 deletions(-)

(limited to 'xserver/Xi/closedev.c')

diff --git a/xserver/Xi/closedev.c b/xserver/Xi/closedev.c
index cc83e6a5b..94b7391fb 100644
--- a/xserver/Xi/closedev.c
+++ b/xserver/Xi/closedev.c
@@ -56,16 +56,12 @@ SOFTWARE.
 #include <dix-config.h>
 #endif
 
-#include <X11/X.h>	/* for inputstr.h    */
-#include <X11/Xproto.h>	/* Request macro     */
 #include "inputstr.h"	/* DeviceIntPtr      */
 #include "windowstr.h"	/* window structure  */
 #include "scrnintstr.h"	/* screen structure  */
 #include <X11/extensions/XI.h>
 #include <X11/extensions/XIproto.h>
 #include "XIstubs.h"
-#include "extnsionst.h"
-#include "extinit.h"	/* LookupDeviceIntRec */
 #include "exglobals.h"
 
 #include "closedev.h"
@@ -77,9 +73,9 @@ SOFTWARE.
  */
 
 int
-SProcXCloseDevice(register ClientPtr client)
+SProcXCloseDevice(ClientPtr client)
 {
-    register char n;
+    char n;
 
     REQUEST(xCloseDeviceReq);
     swaps(&stuff->length, n);
@@ -89,42 +85,29 @@ SProcXCloseDevice(register ClientPtr client)
 
 /***********************************************************************
  *
- * This procedure closes an input device.
+ * Clear out event selections and passive grabs from a window for the
+ * specified device.
  *
  */
 
-int
-ProcXCloseDevice(register ClientPtr client)
+static void
+DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
 {
-    int i;
-    WindowPtr pWin, p1;
-    DeviceIntPtr d;
-
-    REQUEST(xCloseDeviceReq);
-    REQUEST_SIZE_MATCH(xCloseDeviceReq);
-
-    d = LookupDeviceIntRec(stuff->deviceid);
-    if (d == NULL) {
-	SendErrorToClient(client, IReqCode, X_CloseDevice, 0, BadDevice);
-	return Success;
-    }
-
-    if (d->grab && SameClient(d->grab, client))
-	(*d->DeactivateGrab) (d);	/* release active grab */
+    InputClientsPtr others;
+    OtherInputMasks *pOthers;
+    GrabPtr grab, next;
 
-    /* Remove event selections from all windows for events from this device 
-     * and selected by this client.
-     * Delete passive grabs from all windows for this device.      */
+    if ((pOthers = wOtherInputMasks(pWin)) != 0)
+	for (others = pOthers->inputClients; others; others = others->next)
+	    if (SameClient(others, client))
+		others->mask[dev->id] = NoEventMask;
 
-    for (i = 0; i < screenInfo.numScreens; i++) {
-	pWin = WindowTable[i];
-	DeleteDeviceEvents(d, pWin, client);
-	p1 = pWin->firstChild;
-	DeleteEventsFromChildren(d, p1, client);
+    for (grab = wPassiveGrabs(pWin); grab; grab = next) {
+	next = grab->next;
+	if ((grab->device == dev) &&
+	    (client->clientAsMask == CLIENT_BITS(grab->resource)))
+	    FreeResource(grab->resource, RT_NONE);
     }
-
-    CloseInputDevice(d, client);
-    return Success;
 }
 
 /***********************************************************************
@@ -134,7 +117,7 @@ ProcXCloseDevice(register ClientPtr client)
  *
  */
 
-void
+static void
 DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client)
 {
     WindowPtr p2;
@@ -149,27 +132,38 @@ DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client)
 
 /***********************************************************************
  *
- * Clear out event selections and passive grabs from a window for the
- * specified device.
+ * This procedure closes an input device.
  *
  */
 
-void
-DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
+int
+ProcXCloseDevice(ClientPtr client)
 {
-    InputClientsPtr others;
-    OtherInputMasks *pOthers;
-    GrabPtr grab, next;
+    int rc, i;
+    WindowPtr pWin, p1;
+    DeviceIntPtr d;
 
-    if ((pOthers = wOtherInputMasks(pWin)) != 0)
-	for (others = pOthers->inputClients; others; others = others->next)
-	    if (SameClient(others, client))
-		others->mask[dev->id] = NoEventMask;
+    REQUEST(xCloseDeviceReq);
+    REQUEST_SIZE_MATCH(xCloseDeviceReq);
 
-    for (grab = wPassiveGrabs(pWin); grab; grab = next) {
-	next = grab->next;
-	if ((grab->device == dev) &&
-	    (client->clientAsMask == CLIENT_BITS(grab->resource)))
-	    FreeResource(grab->resource, RT_NONE);
+    rc = dixLookupDevice(&d, stuff->deviceid, client, DixUseAccess);
+    if (rc != Success)
+	return rc;
+
+    if (d->grab && SameClient(d->grab, client))
+	(*d->DeactivateGrab) (d);	/* release active grab */
+
+    /* Remove event selections from all windows for events from this device 
+     * and selected by this client.
+     * Delete passive grabs from all windows for this device.      */
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+	pWin = WindowTable[i];
+	DeleteDeviceEvents(d, pWin, client);
+	p1 = pWin->firstChild;
+	DeleteEventsFromChildren(d, p1, client);
     }
+
+    CloseInputDevice(d, client);
+    return Success;
 }
-- 
cgit v1.2.3