From 96e6a517c941abff74df7babcc45c2db46deb6a2 Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Mon, 31 Mar 2025 20:16:42 +0200
Subject: [PATCH] XI: directly write out X_GrabDevice reply

Write out X_GrabDevice the reply directly (and do the swapping
within the request handler) instead of going through separate callback
that's having demux the replies again.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 Xi/extinit.c |  4 +---
 Xi/grabdev.c | 21 +++++----------------
 Xi/grabdev.h |  5 -----
 3 files changed, 6 insertions(+), 24 deletions(-)

diff --git a/Xi/extinit.c b/Xi/extinit.c
index 5f9924db0..70de20021 100644
--- a/Xi/extinit.c
+++ b/Xi/extinit.c
@@ -421,9 +421,7 @@ SReplyIDispatch(ClientPtr client, int len, xGrabDeviceReply * rep)
 {
     /* All we look at is the type field */
     /* This is common to all replies    */
-    if (rep->RepType == X_GrabDevice)
-        SRepXGrabDevice(client, len, (xGrabDeviceReply *) rep);
-    else if (rep->RepType == X_GetDeviceFocus)
+    if (rep->RepType == X_GetDeviceFocus)
         SRepXGetDeviceFocus(client, len, (xGetDeviceFocusReply *) rep);
     else if (rep->RepType == X_GetFeedbackControl)
         SRepXGetFeedbackControl(client, len, (xGetFeedbackControlReply *) rep);
diff --git a/Xi/grabdev.c b/Xi/grabdev.c
index 2c2a39c72..fe988832b 100644
--- a/Xi/grabdev.c
+++ b/Xi/grabdev.c
@@ -137,7 +137,11 @@ ProcXGrabDevice(ClientPtr client)
     if (rc != Success)
         return rc;
 
-    WriteReplyToClient(client, sizeof(xGrabDeviceReply), &rep);
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+    }
+    WriteToClient(client, sizeof(xGrabDeviceReply), &rep);
     return Success;
 }
 
@@ -195,18 +199,3 @@ CreateMaskFromList(ClientPtr client, XEventClass * list, int count,
     }
     return Success;
 }
-
-/***********************************************************************
- *
- * This procedure writes the reply for the XGrabDevice function,
- * if the client and server have a different byte ordering.
- *
- */
-
-void _X_COLD
-SRepXGrabDevice(ClientPtr client, int size, xGrabDeviceReply * rep)
-{
-    swaps(&rep->sequenceNumber);
-    swapl(&rep->length);
-    WriteToClient(client, size, rep);
-}
diff --git a/Xi/grabdev.h b/Xi/grabdev.h
index 72e0fd692..8dfcab70d 100644
--- a/Xi/grabdev.h
+++ b/Xi/grabdev.h
@@ -44,9 +44,4 @@ int CreateMaskFromList(ClientPtr /* client */ ,
                        int      /* req */
     );
 
-void SRepXGrabDevice(ClientPtr /* client */ ,
-                     int /* size */ ,
-                     xGrabDeviceReply * /* rep */
-    );
-
 #endif                          /* GRABDEV_H */