Fixes: warning: variable 'req' set but not,used

Fixes: warning: variable 'req' set but not used [-Wunused-but-set-variable]
       by marking req _X_UNUSED
	Solution was discussed on xorg-devel ML
       Peter Hutter, Alan Coopersmith
        Re: [PATCH libX11 3/5] fix: warning: pointer targets in passing argument 2 of '_XSend' differ in signedness [-Wpointer-sign]

Signed-off-by: harms wharms@bfs.de

17 files changed, 18 insertions, 18 deletions

diff --git a/nx-X11/lib/X11/GetFPath.c b/nx-X11/lib/X11/GetFPath.c
index 8c3f49c95..3d87e4f64 100644
--- a/nx-X11/lib/X11/GetFPath.c
+++ b/nx-X11/lib/X11/GetFPath.c
@@ -42,7 +42,7 @@ char **XGetFontPath(
 	int count = 0;
 	register unsigned i;
 	register int length;
-	register xReq *req;
+	_X_UNUSED register xReq *req;
 
 	LockDisplay(dpy);
 	GetEmptyReq (GetFontPath, req);
diff --git a/nx-X11/lib/X11/GetIFocus.c b/nx-X11/lib/X11/GetIFocus.c
index 5d43ead4f..0a7f36e8d 100644
--- a/nx-X11/lib/X11/GetIFocus.c
+++ b/nx-X11/lib/X11/GetIFocus.c
@@ -36,7 +36,7 @@ XGetInputFocus(
      int *revert_to)
 {
     xGetInputFocusReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
     LockDisplay(dpy);
     GetEmptyReq(GetInputFocus, req);
     (void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
diff --git a/nx-X11/lib/X11/GetKCnt.c b/nx-X11/lib/X11/GetKCnt.c
index 17f487fbe..5829fbeaa 100644
--- a/nx-X11/lib/X11/GetKCnt.c
+++ b/nx-X11/lib/X11/GetKCnt.c
@@ -35,7 +35,7 @@ XGetKeyboardControl (
     register XKeyboardState *state)
 {
     xGetKeyboardControlReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
     LockDisplay(dpy);
     GetEmptyReq (GetKeyboardControl, req);
     (void) _XReply (dpy, (xReply *) &rep,
diff --git a/nx-X11/lib/X11/GetPCnt.c b/nx-X11/lib/X11/GetPCnt.c
index 2c35d210c..72d9495b5 100644
--- a/nx-X11/lib/X11/GetPCnt.c
+++ b/nx-X11/lib/X11/GetPCnt.c
@@ -38,7 +38,7 @@ XGetPointerControl(
      int *threshold)
 {
     xGetPointerControlReply rep;
-    xReq *req;
+    _X_UNUSED xReq *req;
     LockDisplay(dpy);
     GetEmptyReq(GetPointerControl, req);
     (void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
diff --git a/nx-X11/lib/X11/GetPntMap.c b/nx-X11/lib/X11/GetPntMap.c
index 29fdf21f0..07625f8a0 100644
--- a/nx-X11/lib/X11/GetPntMap.c
+++ b/nx-X11/lib/X11/GetPntMap.c
@@ -45,7 +45,7 @@ int XGetPointerMapping (
     unsigned char mapping[256];	/* known fixed size */
     unsigned long nbytes, remainder = 0;
     xGetPointerMappingReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
 
     LockDisplay(dpy);
     GetEmptyReq(GetPointerMapping, req);
diff --git a/nx-X11/lib/X11/GetSSaver.c b/nx-X11/lib/X11/GetSSaver.c
index 1aba3bb74..7c2a3061a 100644
--- a/nx-X11/lib/X11/GetSSaver.c
+++ b/nx-X11/lib/X11/GetSSaver.c
@@ -40,7 +40,7 @@ XGetScreenSaver(
 
 {
     xGetScreenSaverReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
     LockDisplay(dpy);
     GetEmptyReq(GetScreenSaver, req);
 
diff --git a/nx-X11/lib/X11/GrServer.c b/nx-X11/lib/X11/GrServer.c
index 11d21e491..c4c62bef3 100644
--- a/nx-X11/lib/X11/GrServer.c
+++ b/nx-X11/lib/X11/GrServer.c
@@ -32,7 +32,7 @@ in this Software without prior written authorization from The Open Group.
 int
 XGrabServer (register Display *dpy)
 {
-	register xReq *req;
+	_X_UNUSED register xReq *req;
 	LockDisplay(dpy);
         GetEmptyReq(GrabServer, req);
 	UnlockDisplay(dpy);
diff --git a/nx-X11/lib/X11/LiHosts.c b/nx-X11/lib/X11/LiHosts.c
index 83cf3c791..29c36ffb5 100644
--- a/nx-X11/lib/X11/LiHosts.c
+++ b/nx-X11/lib/X11/LiHosts.c
@@ -77,7 +77,7 @@ XHostAddress *XListHosts (
     xListHostsReply reply;
     unsigned char *buf, *bp;
     register unsigned i;
-    register xListHostsReq *req;
+    _X_UNUSED register xListHostsReq *req;
     XServerInterpretedAddress *sip;
 
     *nhosts = 0;
diff --git a/nx-X11/lib/X11/ListExt.c b/nx-X11/lib/X11/ListExt.c
index 0516e4596..7fdf9932c 100644
--- a/nx-X11/lib/X11/ListExt.c
+++ b/nx-X11/lib/X11/ListExt.c
@@ -41,7 +41,7 @@ char **XListExtensions(
 	int count = 0;
 	register unsigned i;
 	register int length;
-	register xReq *req;
+	_X_UNUSED register xReq *req;
 	unsigned long rlen = 0;
 
 	LockDisplay(dpy);
diff --git a/nx-X11/lib/X11/Macros.c b/nx-X11/lib/X11/Macros.c
index d5a3a0485..e29dcd4e8 100644
--- a/nx-X11/lib/X11/Macros.c
+++ b/nx-X11/lib/X11/Macros.c
@@ -292,7 +292,7 @@ int XAddPixel(
 int
 XNoOp (register Display *dpy)
 {
-    register xReq *req;
+    _X_UNUSED register xReq *req;
 
     LockDisplay(dpy);
     GetEmptyReq(NoOperation, req);
diff --git a/nx-X11/lib/X11/ModMap.c b/nx-X11/lib/X11/ModMap.c
index 27f3a8d29..ca15dde25 100644
--- a/nx-X11/lib/X11/ModMap.c
+++ b/nx-X11/lib/X11/ModMap.c
@@ -34,12 +34,12 @@ XModifierKeymap *
 XGetModifierMapping(register Display *dpy)
 {
     xGetModifierMappingReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
     unsigned long nbytes;
     XModifierKeymap *res;
 
     LockDisplay(dpy);
-    GetEmptyReq(GetModifierMapping, req); // Never used ?
+    GetEmptyReq(GetModifierMapping, req);
     (void) _XReply (dpy, (xReply *)&rep, 0, xFalse);
 
     if (rep.length < (INT_MAX >> 2) &&
diff --git a/nx-X11/lib/X11/QuKeybd.c b/nx-X11/lib/X11/QuKeybd.c
index 4b8431d50..0a2d4d0fc 100644
--- a/nx-X11/lib/X11/QuKeybd.c
+++ b/nx-X11/lib/X11/QuKeybd.c
@@ -39,7 +39,7 @@ XQueryKeymap(
     char keys[32])
 {
     xQueryKeymapReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
 
     LockDisplay(dpy);
     GetEmptyReq(QueryKeymap, req);
diff --git a/nx-X11/lib/X11/ReconfWM.c b/nx-X11/lib/X11/ReconfWM.c
index 8dc3534e0..b3d8624cf 100644
--- a/nx-X11/lib/X11/ReconfWM.c
+++ b/nx-X11/lib/X11/ReconfWM.c
@@ -105,7 +105,7 @@ Status XReconfigureWMWindow (
      */
     {
 	xGetInputFocusReply rep;
-	register xReq *req;
+	_X_UNUSED register xReq *req;
 
 	GetEmptyReq(GetInputFocus, req);
 	(void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
diff --git a/nx-X11/lib/X11/Sync.c b/nx-X11/lib/X11/Sync.c
index 6326de768..bc768d4f6 100644
--- a/nx-X11/lib/X11/Sync.c
+++ b/nx-X11/lib/X11/Sync.c
@@ -37,7 +37,7 @@ XSync (
     Bool discard)
 {
     xGetInputFocusReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
 
     LockDisplay(dpy);
     GetEmptyReq(GetInputFocus, req);
diff --git a/nx-X11/lib/X11/UngrabSvr.c b/nx-X11/lib/X11/UngrabSvr.c
index ea0084879..20ad9aa35 100644
--- a/nx-X11/lib/X11/UngrabSvr.c
+++ b/nx-X11/lib/X11/UngrabSvr.c
@@ -33,7 +33,7 @@ int
 XUngrabServer (
     register Display *dpy)
 {
-        register xReq *req;
+        _X_UNUSED register xReq *req;
 
         LockDisplay(dpy);
         GetEmptyReq(UngrabServer, req);
diff --git a/nx-X11/lib/X11/XlibInt.c b/nx-X11/lib/X11/XlibInt.c
index 851fa236e..42b928fd5 100644
--- a/nx-X11/lib/X11/XlibInt.c
+++ b/nx-X11/lib/X11/XlibInt.c
@@ -874,7 +874,7 @@ void _XSeqSyncFunction(
     register Display *dpy)
 {
     xGetInputFocusReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
 
 #ifdef NX_TRANS_SOCKET
 #ifdef NX_TRANS_DEBUG
diff --git a/nx-X11/lib/X11/cmsCmap.c b/nx-X11/lib/X11/cmsCmap.c
index c5401c05d..c7087ecb1 100644
--- a/nx-X11/lib/X11/cmsCmap.c
+++ b/nx-X11/lib/X11/cmsCmap.c
@@ -181,7 +181,7 @@ CmapRecForColormap(
 	    }
 	    {
 		xGetInputFocusReply rep;
-		register xReq *req;
+		_X_UNUSED register xReq *req;
 
 		GetEmptyReq(GetInputFocus, req);
 		(void) _XReply (dpy, (xReply *)&rep, 0, xTrue);