Merge branch 'uli42-pr/fix_compile_warnings' into 3.6.x

Attributes GH PR #230: https://github.com/ArcticaProject/nx-libs/pull/230

37 files changed, 92 insertions, 98 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/Imakefile b/nx-X11/lib/X11/Imakefile
index 8549f69cd..e9ee564cd 100644
--- a/nx-X11/lib/X11/Imakefile
+++ b/nx-X11/lib/X11/Imakefile
@@ -147,8 +147,8 @@ EXTRA_LIBRARIES = /**/
    POLL_DEFINES = -DUSE_POLL
 #endif
    CONN_DEFINES = $(CONNECTION_FLAGS)
-   XTRANS_X_DEFINES = $(XTRANS_FAILDEFINES)
-   XTRANS_XIM_DEFINES = $(XTRANS_FAILDEFINES)
+   XTRANS_X_DEFINES = -DX11_t -DTRANS_CLIENT $(XTRANS_FAILDEFINES)
+   XTRANS_XIM_DEFINES = -DXIM_t -DTRANS_CLIENT $(XTRANS_FAILDEFINES)
 #if HasBSD44Sockets
    SOCK_DEFINES = -DBSD44SOCKETS
 #endif
diff --git a/nx-X11/lib/X11/LRGB.c b/nx-X11/lib/X11/LRGB.c
index 4bfa3cfb1..38cc6cfb4 100644
--- a/nx-X11/lib/X11/LRGB.c
+++ b/nx-X11/lib/X11/LRGB.c
@@ -795,9 +795,6 @@ LINEAR_RGB_InitSCCData(
 
     return(XcmsSuccess);
 
-FreeBlueTblElements:
-    Xfree(pScreenData->pBlueTbl->pBase);
-
 FreeBlueTbl:
     Xfree(pScreenData->pBlueTbl);
 
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 49a5d08e8..ca15dde25 100644
--- a/nx-X11/lib/X11/ModMap.c
+++ b/nx-X11/lib/X11/ModMap.c
@@ -34,7 +34,7 @@ XModifierKeymap *
 XGetModifierMapping(register Display *dpy)
 {
     xGetModifierMappingReply rep;
-    register xReq *req;
+    _X_UNUSED register xReq *req;
     unsigned long nbytes;
     XModifierKeymap *res;
 
@@ -84,7 +84,7 @@ XSetModifierMapping(
     req->length += mapSize >> 2;
     req->numKeyPerModifier = modifier_map->max_keypermod;
 
-    Data(dpy, modifier_map->modifiermap, mapSize);
+    Data(dpy, (const char *)modifier_map->modifiermap, mapSize);
 
     (void) _XReply(dpy, (xReply *) & rep,
 	(SIZEOF(xSetModifierMappingReply) - SIZEOF(xReply)) >> 2, xTrue);
diff --git a/nx-X11/lib/X11/Pending.c b/nx-X11/lib/X11/Pending.c
index dc52c81dc..d3804c629 100644
--- a/nx-X11/lib/X11/Pending.c
+++ b/nx-X11/lib/X11/Pending.c
@@ -41,7 +41,7 @@ int XEventsQueued (
 {
     int ret_val;
 #if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
-    fprintf(stderr, "\nXEventsQueued: Called with a display at [%p].\n", dpy);
+    fprintf(stderr, "\nXEventsQueued: Called with a display at [%p].\n", (void *)dpy);
 #endif
 
     LockDisplay(dpy);
@@ -50,7 +50,7 @@ int XEventsQueued (
     else
 	ret_val = _XEventsQueued (dpy, mode);
 #if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
-    fprintf(stderr, "\nXEventsQueued: Going to unlock the display at [%p].\n", dpy);
+    fprintf(stderr, "\nXEventsQueued: Going to unlock the display at [%p].\n", (void *)dpy);
 #endif
     UnlockDisplay(dpy);
     return ret_val;
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/XKBExtDev.c b/nx-X11/lib/X11/XKBExtDev.c
index 183647fc6..cb40ecd04 100644
--- a/nx-X11/lib/X11/XKBExtDev.c
+++ b/nx-X11/lib/X11/XKBExtDev.c
@@ -36,7 +36,7 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 /***====================================================================***/
 
-extern void
+void
 XkbNoteDeviceChanges(XkbDeviceChangesPtr old,
                      XkbExtensionDeviceNotifyEvent *new,
                      unsigned int wanted)
diff --git a/nx-X11/lib/X11/XlibInt.c b/nx-X11/lib/X11/XlibInt.c
index d3c85a343..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
@@ -3743,6 +3743,8 @@ _XIOError (
     dpy->flags &= ~XlibDisplayReadEvents;
     dpy->flags &= ~XlibDisplayWriting;
     dpy->flags &= ~XlibDisplayReply;
+    /* shut up the compiler by returning something */
+    return 0;
 #else
     exit (1);
 #endif
diff --git a/nx-X11/lib/X11/Xlibint.h b/nx-X11/lib/X11/Xlibint.h
index 056b4d8f9..932ed745e 100644
--- a/nx-X11/lib/X11/Xlibint.h
+++ b/nx-X11/lib/X11/Xlibint.h
@@ -856,7 +856,12 @@ extern int _XError(
 );
 extern int _XIOError(
     Display*	/* dpy */
+#ifdef NX_TRANS_SOCKET
+);
+#else
 ) _X_NORETURN;
+#endif /* NX_TRANS_SOCKET */
+
 extern int (*_XIOErrorFunction)(
     Display*	/* dpy */
 );
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);
diff --git a/nx-X11/lib/X11/imLcIm.c b/nx-X11/lib/X11/imLcIm.c
index 817fb2147..b3662bc96 100644
--- a/nx-X11/lib/X11/imLcIm.c
+++ b/nx-X11/lib/X11/imLcIm.c
@@ -510,14 +510,15 @@ _XimCreateDefaultTree(
     Xim		im)
 {
     FILE *fp = NULL;
-    char *name, *tmpname = NULL, *intname;
+    char *name, *tmpname = NULL;
     char *cachename = NULL;
     /* Should use getpwent() instead of $HOME (cross-platform?) */
     char *home = getenv("HOME");
-    char *cachedir = NULL;
     char *tmpcachedir = NULL;
     int   hl = home ? strlen (home) : 0;
 #ifdef COMPOSECACHE
+    char *intname;
+    char *cachedir = NULL;
     const char *encoding = nl_langinfo (CODESET);
     uid_t euid = geteuid ();
     gid_t egid = getegid ();
@@ -545,9 +546,9 @@ _XimCreateDefaultTree(
     if (name == (char *) NULL) {
         tmpname = name = _XlcFileName(im->core.lcd, COMPOSE_FILE);
     }
+#ifdef COMPOSECACHE
     intname = name;
 
-#ifdef COMPOSECACHE
     if (getuid () == euid && getgid () == egid && euid != 0) {
 	char *c;
 	/* Usage: XCOMPOSECACHE=<cachedir>[=<filename>]
diff --git a/nx-X11/lib/X11/lcGeneric.c b/nx-X11/lib/X11/lcGeneric.c
index 1c78a95c6..58ee5d27c 100644
--- a/nx-X11/lib/X11/lcGeneric.c
+++ b/nx-X11/lib/X11/lcGeneric.c
@@ -1027,10 +1027,8 @@ freeByteM(
     }
     blst = codeset->byteM;
     for (i = 0; i < codeset->length; i++) {
-	if (blst[i].byteinfo) {
 	    Xfree(blst[i].byteinfo);
 	    blst[i].byteinfo = NULL;
-	}
     }
     Xfree(codeset->byteM);
     codeset->byteM = NULL;
@@ -1044,20 +1042,18 @@ freeConversion(
     if (codeset->mbconv) {
 	mbconv = codeset->mbconv;
 	/*  ...  */
-	if (mbconv->convlist) {
-	    Xfree(mbconv->convlist);
-	    mbconv->convlist = NULL;
-	}
+	Xfree(mbconv->convlist);
+	mbconv->convlist = NULL;
+
 	Xfree(mbconv);
 	codeset->mbconv = NULL;
     }
     if (codeset->ctconv) {
 	ctconv = codeset->ctconv;
 	/*  ...  */
-	if (ctconv->convlist) {
-	    Xfree(ctconv->convlist);
-	    ctconv->convlist = NULL;
-	}
+	Xfree(ctconv->convlist);
+	ctconv->convlist = NULL;
+	
 	Xfree(ctconv);
 	codeset->ctconv = NULL;
     }
@@ -1072,14 +1068,12 @@ freeExtdSegment(
 	return;
     }
     ctextseg = codeset->ctextseg;
-    if (ctextseg->name) {
-	Xfree(ctextseg->name);
-	ctextseg->name = NULL;
-    }
-    if (ctextseg->area) {
-	Xfree(ctextseg->area);
-	ctextseg->area = NULL;
-    }
+    Xfree(ctextseg->name);
+    ctextseg->name = NULL;
+
+    Xfree(ctextseg->area);
+    ctextseg->area = NULL;
+
     Xfree(codeset->ctextseg);
     codeset->ctextseg = NULL;
 }
@@ -1093,10 +1087,10 @@ freeParseInfo(
 	return;
     }
     parse_info = codeset->parse_info;
-    if (parse_info->encoding) {
-	Xfree(parse_info->encoding);
-	parse_info->encoding = NULL;
-    }
+
+    Xfree(parse_info->encoding);
+    parse_info->encoding = NULL;
+
     Xfree(codeset->parse_info);
     codeset->parse_info = NULL;
 }
@@ -1115,10 +1109,10 @@ destroy_CodeSetList(
 	freeConversion(codeset[i]);
 	freeExtdSegment(codeset[i]);
 	freeParseInfo(codeset[i]);
-	if (codeset[i]->charset_list) {
-	    Xfree(codeset[i]->charset_list);
-	    codeset[i]->charset_list = NULL;
-	}
+
+	Xfree(codeset[i]->charset_list);
+	codeset[i]->charset_list = NULL;
+
 	Xfree(codeset[i]); codeset[i]=NULL;
     }
     Xfree(codeset); gen->codeset_list = NULL;
@@ -1130,21 +1124,20 @@ destroy_SegConv(
 {
     SegConv seg = gen->segment_conv;
     int i;
+
     if (gen->segment_conv_num == 0) {
 	return;
     }
     for (i=0;i<gen->segment_conv_num;i++) {
-	if (seg[i].source_encoding) {
+
 	    Xfree(seg[i].source_encoding);
 	    seg[i].source_encoding = NULL;
-	}
-	if (seg[i].destination_encoding) {
+
 	    Xfree(seg[i].destination_encoding);
 	    seg[i].destination_encoding = NULL;
-	}
-	if (seg[i].conv) {
-	    Xfree(seg[i].conv); seg[i].conv = NULL;
-	}
+
+	    Xfree(seg[i].conv);
+            seg[i].conv = NULL;
     }
     Xfree(seg); gen->segment_conv = NULL;
 }
@@ -1156,14 +1149,13 @@ destroy_gen(
     XLCdGenericPart *gen = XLC_GENERIC_PART(lcd);
     destroy_SegConv(gen);
     destroy_CodeSetList(gen);
-    if (gen->mb_parse_table) {
-	Xfree(gen->mb_parse_table);
-	gen->mb_parse_table = NULL;
-    }
-    if (gen->mb_parse_list) {
-	Xfree(gen->mb_parse_list);
-	gen->mb_parse_list = NULL;
-    }
+
+    Xfree(gen->mb_parse_table);
+    gen->mb_parse_table = NULL;
+
+    Xfree(gen->mb_parse_list);
+    gen->mb_parse_list = NULL;
+
 }
 /* VW/UDC end 95.01.08 */
 
diff --git a/nx-X11/programs/Xserver/Xext/security.c b/nx-X11/programs/Xserver/Xext/security.c
index 1071565f3..c1b7b50a9 100644
--- a/nx-X11/programs/Xserver/Xext/security.c
+++ b/nx-X11/programs/Xserver/Xext/security.c
@@ -148,7 +148,7 @@ int (*SwappedUntrustedProcVector[256])(
  * try a set of well known paths.
  */
 
-const char *_NXGetPolicyFilePath(const char *path)
+char *_NXGetPolicyFilePath(const char *path)
 {
 
   struct stat SecurityPolicyStat;
@@ -1345,7 +1345,6 @@ SecurityCensorImage(client, pVisibleRegion, widthBytesLine, pDraw, x, y, w, h,
     unsigned int format;
     char * pBuf;
 {
-    ScreenPtr pScreen = pDraw->pScreen;
     RegionRec imageRegion;  /* region representing x,y,w,h */
     RegionRec censorRegion; /* region to obliterate */
     BoxRec imageBox;
diff --git a/nx-X11/programs/Xserver/Xext/xcmisc.c b/nx-X11/programs/Xserver/Xext/xcmisc.c
index 68843fd04..b7f55aa6d 100644
--- a/nx-X11/programs/Xserver/Xext/xcmisc.c
+++ b/nx-X11/programs/Xserver/Xext/xcmisc.c
@@ -40,11 +40,7 @@ from The Open Group.
 #include <nx-X11/extensions/xcmiscstr.h>
 #include "modinit.h"
 
-#if HAVE_STDINT_H
 #include <stdint.h>
-#elif !defined(UINT32_MAX)
-#define UINT32_MAX 0xffffffffU
-#endif
 
 #if 0
 static unsigned char XCMiscCode;
diff --git a/nx-X11/programs/Xserver/Xi/sendexev.c b/nx-X11/programs/Xserver/Xi/sendexev.c
index 28286d97f..a851c5120 100644
--- a/nx-X11/programs/Xserver/Xi/sendexev.c
+++ b/nx-X11/programs/Xserver/Xi/sendexev.c
@@ -149,10 +149,14 @@ ProcXSendExtensionEvent (client)
 	return Success;
 	}
 
-    // FIXME: ret is not initialized and should not be returned...
-
+    /*
+       the previous code here returned the unitialized variable ret,
+       so using Success we have defined returncode at least. FIXME:
+       Upstream works different here, we must check this!
+    */
     if (stuff->num_events == 0)
-        return ret;
+        /* return ret; */
+        return Success;
 
     /* The client's event type must be one defined by an extension. */
 
diff --git a/nx-X11/programs/Xserver/dbe/dbe.c b/nx-X11/programs/Xserver/dbe/dbe.c
index 276919e34..58301e158 100644
--- a/nx-X11/programs/Xserver/dbe/dbe.c
+++ b/nx-X11/programs/Xserver/dbe/dbe.c
@@ -721,7 +721,7 @@ ProcDbeSwapBuffers(client)
     int			error;
     unsigned int	i, j;
     unsigned int	nStuff;
-
+    int nStuff_i;       /* DDX API requires int for nStuff */
 
     REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq);
     nStuff = stuff->n;	/* use local variable for performance. */
@@ -806,10 +806,11 @@ ProcDbeSwapBuffers(client)
      * could deal with cross-screen synchronization.
      */
 
-    while (nStuff > 0)
+    nStuff_i = nStuff;
+    while (nStuff_i > 0)
     {
         pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW(swapInfo[0].pWindow);
-        error = (*pDbeScreenPriv->SwapBuffers)(client, &nStuff, swapInfo);
+        error = (*pDbeScreenPriv->SwapBuffers)(client, &nStuff_i, swapInfo);
         if (error != Success)
         {
             free(swapInfo);
diff --git a/nx-X11/programs/Xserver/dix/devices.c b/nx-X11/programs/Xserver/dix/devices.c
index 39f5d123f..69cdc82e1 100644
--- a/nx-X11/programs/Xserver/dix/devices.c
+++ b/nx-X11/programs/Xserver/dix/devices.c
@@ -725,7 +725,7 @@ InitStringFeedbackClassDeviceStruct (
     for (i=0; i<num_symbols_supported; i++)
 	*(feedc->ctrl.symbols_supported+i) = *symbols++;
     for (i=0; i<max_symbols; i++)
-	*(feedc->ctrl.symbols_displayed+i) = (KeySym) NULL;
+	*(feedc->ctrl.symbols_displayed+i) = (KeySym) 0;
     feedc->ctrl.id = 0;
     if ( (feedc->next = dev->stringfeed) )
 	feedc->ctrl.id = dev->stringfeed->ctrl.id + 1;
diff --git a/nx-X11/programs/Xserver/fb/fbbits.h b/nx-X11/programs/Xserver/fb/fbbits.h
index 5cd7ae70f..d915d7b35 100644
--- a/nx-X11/programs/Xserver/fb/fbbits.h
+++ b/nx-X11/programs/Xserver/fb/fbbits.h
@@ -829,8 +829,6 @@ POLYSEGMENT (DrawablePtr    pDrawable,
     ul = coordToInt(pBox->x1 - xoff,     pBox->y1 - yoff);
     lr = coordToInt(pBox->x2 - xoff - 1, pBox->y2 - yoff - 1);
 
-    bits += bitsStride * yoff + xoff * MUL;
-
     capNotLast = pGC->capStyle == CapNotLast;
     
     while (nseg--)
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Args.c b/nx-X11/programs/Xserver/hw/nxagent/Args.c
index 1c93bbbe5..7d256f5c5 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Args.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Args.c
@@ -1447,7 +1447,7 @@ static void nxagentParseOptions(char *name, char *value)
         tolerance_parse = UINT_MAX;
 
         fprintf(stderr, "nxagentParseOptions: Warning: value [%s] of option [%s] "
-                        "out of range, clamped to [%u].\n",
+                        "out of range, clamped to [%lu].\n",
                         validateString(value), validateString(name), tolerance_parse);
       }
 
@@ -1456,7 +1456,7 @@ static void nxagentParseOptions(char *name, char *value)
         tolerance_parse = 0;
 
         fprintf(stderr, "nxagentParseOptions: Warning: value [%s] of option [%s] "
-                        "out of range, clamped to [%u].\n",
+                        "out of range, clamped to [%lu].\n",
                         validateString(value), validateString(name), tolerance_parse);
       }
 
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Colormap.c b/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
index ecfbe210e..c21bcbbe7 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Colormap.c
@@ -311,7 +311,7 @@ void nxagentSetInstalledColormapWindows(ScreenPtr pScreen)
         {
           fprintf(stderr, "nxagentSetInstalledColormapWindows: WARNING! "
                       "Window at [%p] has no colormap with class [%d].\n",
-                          pWin, pWin -> drawable.class);
+		  (void *)pWin, pWin -> drawable.class);
         }
         #endif
       }
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.c b/nx-X11/programs/Xserver/hw/nxagent/Display.c
index 04f2fbb4c..f1fb1e902 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.c
@@ -2468,7 +2468,6 @@ static int nxagentCheckForPixmapFormatsCompatibility()
    */
 
   bool compatible = true;
-  bool one_match = false;
   bool matched = false;
   int total_matches = 0;
 
@@ -2483,7 +2482,6 @@ static int nxagentCheckForPixmapFormatsCompatibility()
           nxagentPixmapFormats[i].scanline_pad == nxagentRemotePixmapFormats[j].scanline_pad)
       {
         matched = true;
-        one_match = true;
         ++total_matches;
 
         break;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Window.c b/nx-X11/programs/Xserver/hw/nxagent/Window.c
index e39afe240..f81e08ebc 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Window.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Window.c
@@ -1953,7 +1953,7 @@ Bool nxagentUnrealizeWindow(pWin)
 void nxagentFrameBufferPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what)
 {
 
-  void *PaintWindowBackgroundBackup;
+  void (*PaintWindowBackgroundBackup)(WindowPtr, RegionPtr, int);
 
   if (pWin->backgroundState == BackgroundPixmap)
   {
diff --git a/nx-X11/programs/Xserver/xfixes/region.c b/nx-X11/programs/Xserver/xfixes/region.c
index 0b502c7f9..6759b4bfe 100644
--- a/nx-X11/programs/Xserver/xfixes/region.c
+++ b/nx-X11/programs/Xserver/xfixes/region.c
@@ -753,13 +753,11 @@ ProcXFixesSetPictureClipRegion (ClientPtr client)
 #ifdef RENDER
     PicturePtr		pPicture;
     RegionPtr		pRegion;
-    ScreenPtr		pScreen;
     REQUEST(xXFixesSetPictureClipRegionReq);
     
     REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
     VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
 		   RenderErrBase + BadPicture);
-    pScreen = pPicture->pDrawable->pScreen;
     VERIFY_REGION_OR_NONE(pRegion, stuff->region, client, SecurityReadAccess);
     
     return SetPictureClipRegion (pPicture, stuff->xOrigin, stuff->yOrigin,
diff --git a/nx-X11/programs/Xserver/xkb/xkb.c b/nx-X11/programs/Xserver/xkb/xkb.c
index 3e4cf4acd..a78541e75 100644
--- a/nx-X11/programs/Xserver/xkb/xkb.c
+++ b/nx-X11/programs/Xserver/xkb/xkb.c
@@ -4402,7 +4402,7 @@ char *	wire, *next;
 CARD16	len;
 
     wire= *wire_inout;
-    len= (CARD16 *)wire;
+    len = *(CARD16 *) wire;
     if (client->swapped) {
 	swaps(&len);
     }
diff --git a/nx-X11/programs/Xserver/xkb/xkmread.c b/nx-X11/programs/Xserver/xkb/xkmread.c
index 18ab21dca..1d8f6d772 100644
--- a/nx-X11/programs/Xserver/xkb/xkmread.c
+++ b/nx-X11/programs/Xserver/xkb/xkmread.c
@@ -1085,7 +1085,8 @@ unsigned i,size_toc;
 	}
 	return 0;
     }
-    fread(file_info,SIZEOF(xkmFileInfo),1,file);
+    _X_UNUSED int ignored_result;
+    ignored_result = fread(file_info,SIZEOF(xkmFileInfo),1,file);
     size_toc= file_info->num_toc;
     if (size_toc>max_toc) {
 #ifdef DEBUG
@@ -1095,7 +1096,7 @@ unsigned i,size_toc;
 	size_toc= max_toc;
     }
     for (i=0;i<size_toc;i++) {
-	fread(&toc[i],SIZEOF(xkmSectionInfo),1,file);
+      ignored_result = fread(&toc[i],SIZEOF(xkmSectionInfo),1,file);
     }
     return 1;
 }
@@ -1126,7 +1127,8 @@ int			nRead;
 	return 0;
     }
     fseek(file,toc->offset,SEEK_SET);
-    fread(&tmpTOC,SIZEOF(xkmSectionInfo),1,file);
+    _X_UNUSED int ignored_result;
+    ignored_result = fread(&tmpTOC,SIZEOF(xkmSectionInfo),1,file);
     nRead= SIZEOF(xkmSectionInfo);
     if ((tmpTOC.type!=toc->type)||(tmpTOC.format!=toc->format)||
 	(tmpTOC.size!=toc->size)||(tmpTOC.offset!=toc->offset)) {
@@ -1201,7 +1203,8 @@ char 		name[100];
 	case XkmSymbolsIndex:
 	case XkmGeometryIndex:
 	    fseek(file,toc->offset,SEEK_SET);
-	    fread(&tmpTOC,SIZEOF(xkmSectionInfo),1,file);
+	    _X_UNUSED int ignored_result;
+	    ignored_result = fread(&tmpTOC,SIZEOF(xkmSectionInfo),1,file);
 	    if ((tmpTOC.type!=toc->type)||(tmpTOC.format!=toc->format)||
 		(tmpTOC.size!=toc->size)||(tmpTOC.offset!=toc->offset)) {
 		_XkbLibError(_XkbErrIllegalContents,"XkmReadFileSectionName",0);