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

Attributes GH PR #712: https://github.com/ArcticaProject/nx-libs/pull/712

6 files changed, 64 insertions, 72 deletions

diff --git a/nx-X11/programs/Xserver/dix/devices.c b/nx-X11/programs/Xserver/dix/devices.c
index 1c7572d64..51cf3fef9 100644
--- a/nx-X11/programs/Xserver/dix/devices.c
+++ b/nx-X11/programs/Xserver/dix/devices.c
@@ -908,7 +908,7 @@ AllModifierKeysAreUp(dev, map1, per1, map2, per2)
 int 
 ProcSetModifierMapping(ClientPtr client)
 {
-    xSetModifierMappingReply rep;
+    xSetModifierMappingReply rep = {0};
     REQUEST(xSetModifierMappingReq);
     KeyCode *inputMap;
     int inputMapLen;
@@ -1016,11 +1016,10 @@ ProcSetModifierMapping(ClientPtr client)
 int
 ProcGetModifierMapping(ClientPtr client)
 {
-    xGetModifierMappingReply rep;
+    xGetModifierMappingReply rep = {0};
     register KeyClassPtr keyc = inputInfo.keyboard->key;
 
     REQUEST_SIZE_MATCH(xReq);
-    memset(&rep, 0, sizeof(xGetModifierMappingReply));
     rep.type = X_Reply;
     rep.numKeyPerModifier = keyc->maxKeysPerModifier;
     rep.sequenceNumber = client->sequence;
@@ -1082,7 +1081,7 @@ ProcSetPointerMapping(ClientPtr client)
 {
     REQUEST(xSetPointerMappingReq);
     BYTE *map;
-    xSetPointerMappingReply rep;
+    xSetPointerMappingReply rep = {0};
     register unsigned int i;
     DeviceIntPtr mouse = inputInfo.pointer;
 
@@ -1119,7 +1118,7 @@ ProcSetPointerMapping(ClientPtr client)
 int
 ProcGetKeyboardMapping(ClientPtr client)
 {
-    xGetKeyboardMappingReply rep;
+    xGetKeyboardMappingReply rep = {0};
     REQUEST(xGetKeyboardMappingReq);
     KeySymsPtr curKeySyms = &inputInfo.keyboard->key->curKeySyms;
 
@@ -1138,7 +1137,6 @@ ProcGetKeyboardMapping(ClientPtr client)
         return BadValue;
     }
 
-    memset(&rep, 0, sizeof(xGetKeyboardMappingReply));
     rep.type = X_Reply;
     rep.sequenceNumber = client->sequence;
     rep.keySymsPerKeyCode = curKeySyms->mapWidth;
@@ -1158,17 +1156,20 @@ ProcGetKeyboardMapping(ClientPtr client)
 int
 ProcGetPointerMapping(ClientPtr client)
 {
+    int nElts;
     xGetPointerMappingReply rep = {0};
 
     ButtonClassPtr butc = inputInfo.pointer->button;
 
+    nElts = (butc) ? butc->numButtons : 0;
     REQUEST_SIZE_MATCH(xReq);
     rep.type = X_Reply;
+    rep.nElts = nElts;
     rep.sequenceNumber = client->sequence;
-    rep.nElts = butc->numButtons;
-    rep.length = ((unsigned)rep.nElts + (4-1))/4;
+    rep.length = ((unsigned)nElts + (4-1))/4;
     WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep);
-    WriteToClient(client, (int)rep.nElts, &butc->map[1]);
+    if (butc)
+        WriteToClient(client, nElts, &butc->map[1]);
     return Success;
 }
 
@@ -1387,7 +1388,7 @@ ProcGetKeyboardControl (ClientPtr client)
 {
     int i;
     register KeybdCtrl *ctrl = &inputInfo.keyboard->kbdfeed->ctrl;
-    xGetKeyboardControlReply rep;
+    xGetKeyboardControlReply rep = {0};
 
     REQUEST_SIZE_MATCH(xReq);
     rep.type = X_Reply;
@@ -1492,7 +1493,7 @@ int
 ProcGetPointerControl(ClientPtr client)
 {
     register PtrCtrl *ctrl = &inputInfo.pointer->ptrfeed->ctrl;
-    xGetPointerControlReply rep;
+    xGetPointerControlReply rep = {0};
 
     REQUEST_SIZE_MATCH(xReq);
     rep.type = X_Reply;
@@ -1526,7 +1527,7 @@ ProcGetMotionEvents(ClientPtr client)
 {
     WindowPtr pWin;
     xTimecoord * coords = (xTimecoord *) NULL;
-    xGetMotionEventsReply rep;
+    xGetMotionEventsReply rep = {0};
     int     i, count, xmin, xmax, ymin, ymax;
     unsigned long nEvents;
     DeviceIntPtr mouse = inputInfo.pointer;
@@ -1591,7 +1592,7 @@ ProcGetMotionEvents(ClientPtr client)
 int
 ProcQueryKeymap(ClientPtr client)
 {
-    xQueryKeymapReply rep;
+    xQueryKeymapReply rep = {0};
     int i;
     CARD8 *down = inputInfo.keyboard->key->down;
 
diff --git a/nx-X11/programs/Xserver/dix/dixfonts.c b/nx-X11/programs/Xserver/dix/dixfonts.c
index 0d90cd7b0..b16b6b2e6 100644
--- a/nx-X11/programs/Xserver/dix/dixfonts.c
+++ b/nx-X11/programs/Xserver/dix/dixfonts.c
@@ -741,7 +741,7 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
 		    return TRUE;
 		}
 		if (err == FontNameAlias) {
-		    if (resolved) free(resolved);
+		    free(resolved);
 		    resolved = (char *) malloc(resolvedlen + 1);
 		    if (resolved)
 			memmove(resolved, tmpname, resolvedlen + 1);
@@ -807,8 +807,7 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
 		{
 		    c->saved = c->current;
 		    c->haveSaved = TRUE;
-		    if (c->savedName)
-			free(c->savedName);
+		    free(c->savedName);
 		    c->savedName = (char *)malloc(namelen + 1);
 		    if (c->savedName)
 			memmove(c->savedName, name, namelen + 1);
@@ -904,14 +903,14 @@ bail:
     for (i = 0; i < c->num_fpes; i++)
 	FreeFPE(c->fpe_list[i]);
     free(c->fpe_list);
-    if (c->savedName) free(c->savedName);
+    free(c->savedName);
 #ifdef HAS_XFONT2
     xfont2_free_font_names(names);
 #else
     FreeFontNames(names);
 #endif /* HAS_XFONT2 */
     free(c);
-    if (resolved) free(resolved);
+    free(resolved);
     return TRUE;
 }
 
@@ -931,7 +930,7 @@ ListFonts(ClientPtr client, unsigned char *pattern, unsigned length,
     if (length > XLFDMAXFONTNAMELEN)
 	return BadAlloc;
 
-    if (!(c = (LFclosurePtr) malloc(sizeof *c)))
+    if (!(c = (LFclosurePtr) calloc(1, sizeof *c)))
 	return BadAlloc;
     c->fpe_list = (FontPathElementPtr *)
 	malloc(sizeof(FontPathElementPtr) * num_fpes);
@@ -1091,8 +1090,7 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
 		c->saved = c->current;
 		c->haveSaved = TRUE;
 		c->savedNumFonts = numFonts;
-		if (c->savedName)
-		  free(c->savedName);
+		free(c->savedName);
 		c->savedName = (char *)malloc(namelen + 1);
 		if (c->savedName)
 		  memmove(c->savedName, name, namelen + 1);
@@ -1203,7 +1201,7 @@ bail:
 	FreeFPE(c->fpe_list[i]);
     free(c->reply);
     free(c->fpe_list);
-    if (c->savedName) free(c->savedName);
+    free(c->savedName);
     free(c);
     return TRUE;
 }
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
index 758ec9275..51a11b4f4 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
@@ -704,7 +704,7 @@ int nxagentKeyboardProc(DeviceIntPtr pDev, int onoff)
   int mapWidth;
   int min_keycode, max_keycode;
   KeySymsRec keySyms;
-  CARD8 modmap[256];
+  CARD8 modmap[MAP_LENGTH];
   int i, j;
   XKeyboardState values;
   char *model = NULL, *layout = NULL;
@@ -765,7 +765,7 @@ N/A
 #ifdef _XSERVER64
       {
         KeySym64 *keymap64;
-        int i, len;
+        int len;
         keymap64 = XGetKeyboardMapping(nxagentDisplay,
                                      min_keycode,
                                      max_keycode - min_keycode + 1,
@@ -807,8 +807,7 @@ N/A
       nxagentCapsMask = 0;
       nxagentNumlockMask = 0;
 
-      for (i = 0; i < 256; i++)
-        modmap[i] = 0;
+      memset(modmap, 0, sizeof(modmap));
       for (j = 0; j < 8; j++)
         for(i = 0; i < modifier_keymap->max_keypermod; i++) {
           CARD8 keycode;
@@ -823,6 +822,7 @@ N/A
           }
         }
       XFreeModifiermap(modifier_keymap);
+      modifier_keymap = NULL;
 
       nxagentCheckRemoteKeycodes();
 
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
index e59144f94..50bf719c6 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
@@ -361,7 +361,7 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
     int		nnames;
     int         stringLens;
     int         i;
-    xListFontsReply reply;
+    xListFontsReply reply = {0};
     char	*bufptr;
     char	*bufferStart;
     int		aliascount = 0;
@@ -478,7 +478,7 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
 		    return TRUE;
 		}
 		if (err == FontNameAlias) {
-		    if (resolved) free(resolved);
+		    free(resolved);
 		    resolved = (char *) malloc(resolvedlen + 1);
 		    if (resolved)
 			memmove(resolved, tmpname, resolvedlen + 1);
@@ -544,8 +544,7 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
 		{
 		    c->saved = c->current;
 		    c->haveSaved = TRUE;
-		    if (c->savedName)
-			free(c->savedName);
+		    free(c->savedName);
 		    c->savedName = (char *)malloc(namelen + 1);
 		    if (c->savedName)
 			memmove(c->savedName, name, namelen + 1);
@@ -602,13 +601,12 @@ finish:
     for (i = 0; i < nnames; i++)
 	stringLens += (names->length[i] <= 255) ? names->length[i] : 0;
 
-    memset(&reply, 0, sizeof(xListFontsReply));
     reply.type = X_Reply;
     reply.length = (stringLens + nnames + 3) >> 2;
     reply.nFonts = nnames;
     reply.sequenceNumber = client->sequence;
 
-    bufptr = bufferStart = (char *) malloc(reply.length << 2);
+    bufptr = bufferStart = (char *) calloc(1, reply.length << 2);
 
     if (!bufptr && reply.length) {
 	SendErrorToClient(client, X_ListFonts, 0, 0, BadAlloc);
@@ -664,14 +662,14 @@ bail:
     for (i = 0; i < c->num_fpes; i++)
 	FreeFPE(c->fpe_list[i]);
     free(c->fpe_list);
-    if (c->savedName) free(c->savedName);
+    free(c->savedName);
 #ifdef HAS_XFONT2
     xfont2_free_font_names(names);
 #else
     FreeFontNames(names);
 #endif /* HAS_XFONT2 */
     free(c);
-    if (resolved) free(resolved);
+    free(resolved);
     return TRUE;
 }
 
@@ -691,7 +689,7 @@ ListFonts(ClientPtr client, unsigned char *pattern, unsigned length,
     if (length > XLFDMAXFONTNAMELEN)
 	return BadAlloc;
 
-    if (!(c = (LFclosurePtr) malloc(sizeof *c)))
+    if (!(c = (LFclosurePtr) calloc(1, sizeof *c)))
 	return BadAlloc;
     c->fpe_list = (FontPathElementPtr *)
 	malloc(sizeof(FontPathElementPtr) * num_fpes);
@@ -744,7 +742,7 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
     xFontProp  *pFP;
     int         i;
     int		aliascount = 0;
-    xListFontsWithInfoReply finalReply;
+    xListFontsWithInfoReply finalReply = {0};
 
     if (client->clientGone)
     {
@@ -857,8 +855,7 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
 		c->saved = c->current;
 		c->haveSaved = TRUE;
 		c->savedNumFonts = numFonts;
-		if (c->savedName)
-		  free(c->savedName);
+		free(c->savedName);
 		c->savedName = (char *)malloc(namelen + 1);
 		if (c->savedName)
 		  memmove(c->savedName, name, namelen + 1);
@@ -967,7 +964,6 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
     }
 finish:
     length = sizeof(xListFontsWithInfoReply);
-    bzero((char *) &finalReply, sizeof(xListFontsWithInfoReply));
     finalReply.type = X_Reply;
     finalReply.sequenceNumber = client->sequence;
     finalReply.length = (sizeof(xListFontsWithInfoReply)
@@ -985,7 +981,7 @@ bail:
 	FreeFPE(c->fpe_list[i]);
     free(c->reply);
     free(c->fpe_list);
-    if (c->savedName) free(c->savedName);
+    free(c->savedName);
     free(c);
     return TRUE;
 }
@@ -1203,7 +1199,7 @@ nxdoListFontsAndAliases(client, fss)
 		    return TRUE;
 		}
 		if (err == FontNameAlias) {
-		    if (resolved) free(resolved);
+		    free(resolved);
 		    resolved = (char *) malloc(resolvedlen + 1);
 		    if (resolved)
                     {
@@ -1275,8 +1271,7 @@ nxdoListFontsAndAliases(client, fss)
 		{
 		    c->saved = c->current;
 		    c->haveSaved = TRUE;
-		    if (c->savedName)
-			free(c->savedName);
+		    free(c->savedName);
 		    c->savedName = (char *)malloc(namelen + 1);
 		    if (c->savedName)
                     {
@@ -1372,7 +1367,7 @@ finish:
     for (i = 0; i < c->num_fpes; i++)
 	FreeFPE(c->fpe_list[i]);
     free(c->fpe_list);
-    if (c->savedName) free(c->savedName);
+    free(c->savedName);
 #ifdef HAS_XFONT2
     xfont2_free_font_names(c->names);
 #else
@@ -1380,7 +1375,7 @@ finish:
 #endif /* HAS_XFONT2 */
     free(c);
     free(fss);
-    if (resolved) free(resolved);
+    free(resolved);
 
     return doOpenFont(client, oc);
 }
diff --git a/nx-X11/programs/Xserver/os/io.c b/nx-X11/programs/Xserver/os/io.c
index 07399438e..6eeee349a 100644
--- a/nx-X11/programs/Xserver/os/io.c
+++ b/nx-X11/programs/Xserver/os/io.c
@@ -1120,7 +1120,12 @@ FlushClient(ClientPtr who, OsCommPtr oc, const void *__extraBuf, int extraCount)
 		unsigned char *obuf = NULL;
 
 		if (notWritten + BUFSIZE <= INT_MAX) {
-		    obuf = realloc(oco->buf, notWritten + BUFSIZE);
+		    obuf = calloc(1, notWritten + BUFSIZE);
+		    if (obuf)
+		    {
+			memmove(obuf, oco->buf, oco->size);
+			free(oco->buf);
+		    }
 		}
 		if (!obuf)
 		{
diff --git a/nx-X11/programs/Xserver/xkb/xkb.c b/nx-X11/programs/Xserver/xkb/xkb.c
index 8a96ec17d..987ebcd7b 100644
--- a/nx-X11/programs/Xserver/xkb/xkb.c
+++ b/nx-X11/programs/Xserver/xkb/xkb.c
@@ -159,7 +159,7 @@ int
 ProcXkbUseExtension(ClientPtr client)
 {
     REQUEST(xkbUseExtensionReq);
-    xkbUseExtensionReply	rep;
+    xkbUseExtensionReply	rep = {0};
     int	supported;
 
     REQUEST_SIZE_MATCH(xkbUseExtensionReq);
@@ -187,7 +187,6 @@ ProcXkbUseExtension(ClientPtr client)
 					stuff->wantedMajor,stuff->wantedMinor,
 					SERVER_XKB_MAJOR_VERSION,SERVER_XKB_MINOR_VERSION);
     }
-    memset(&rep, 0, sizeof(xkbUseExtensionReply));
     rep.type = X_Reply;
     rep.supported = supported;
     rep.length = 0;
@@ -502,7 +501,7 @@ ProcXkbGetState(ClientPtr client)
 {
     REQUEST(xkbGetStateReq);
     DeviceIntPtr	dev;
-    xkbGetStateReply	 rep;
+    xkbGetStateReply	 rep = {0};
     XkbStateRec		*xkb;
 
     REQUEST_SIZE_MATCH(xkbGetStateReq);
@@ -513,7 +512,6 @@ ProcXkbGetState(ClientPtr client)
     CHK_KBD_DEVICE(dev,stuff->deviceSpec);
 
     xkb= &dev->key->xkbInfo->state;
-    bzero(&rep,sizeof(xkbGetStateReply));
     rep.type= X_Reply;
     rep.sequenceNumber= client->sequence;
     rep.length = 0;
@@ -1350,7 +1348,7 @@ int
 ProcXkbGetMap(ClientPtr client)
 {
     DeviceIntPtr	 dev;
-    xkbGetMapReply	 rep;
+    xkbGetMapReply	 rep = {0};
     XkbDescRec		*xkb;
     int			 n,status;
 
@@ -1366,7 +1364,6 @@ ProcXkbGetMap(ClientPtr client)
     CHK_MASK_LEGAL(0x03,stuff->partial,XkbAllMapComponentsMask);
 
     xkb= dev->key->xkbInfo->desc;
-    bzero(&rep,sizeof(xkbGetMapReply));
     rep.type= X_Reply;
     rep.sequenceNumber= client->sequence;
     rep.length = (SIZEOF(xkbGetMapReply)-SIZEOF(xGenericReply))>>2;
@@ -2542,7 +2539,7 @@ int		size;
 int
 ProcXkbGetCompatMap(ClientPtr client)
 {
-    xkbGetCompatMapReply 	rep;
+    xkbGetCompatMapReply 	rep = {0};
     DeviceIntPtr 		dev;
     XkbDescPtr			xkb;
     XkbCompatMapPtr		compat;
@@ -2718,7 +2715,7 @@ ProcXkbSetCompatMap(ClientPtr client)
 int
 ProcXkbGetIndicatorState(ClientPtr client)
 {
-    xkbGetIndicatorStateReply 	rep;
+    xkbGetIndicatorStateReply 	rep = {0};;
     XkbSrvLedInfoPtr		sli;
     DeviceIntPtr 		dev;
 
@@ -2827,7 +2824,7 @@ register unsigned	bit;
 int
 ProcXkbGetIndicatorMap(ClientPtr client)
 {
-xkbGetIndicatorMapReply rep;
+    xkbGetIndicatorMapReply rep = {0};
 DeviceIntPtr		dev;
 XkbDescPtr		xkb;
 XkbIndicatorPtr		leds;
@@ -2937,7 +2934,7 @@ int
 ProcXkbGetNamedIndicator(ClientPtr client)
 {
     DeviceIntPtr 		dev;
-    xkbGetNamedIndicatorReply 	rep;
+    xkbGetNamedIndicatorReply 	rep = {0};
     register int		i = 0;
     XkbSrvLedInfoPtr		sli;
     XkbIndicatorMapPtr		map = NULL;
@@ -3438,7 +3435,7 @@ ProcXkbGetNames(ClientPtr client)
 {
     DeviceIntPtr	dev;
     XkbDescPtr		xkb;
-    xkbGetNamesReply 	rep;
+    xkbGetNamesReply 	rep = {0};
 
     REQUEST(xkbGetNamesReq);
     REQUEST_SIZE_MATCH(xkbGetNamesReq);
@@ -3450,7 +3447,6 @@ ProcXkbGetNames(ClientPtr client)
     CHK_MASK_LEGAL(0x01,stuff->which,XkbAllNamesMask);
 
     xkb = dev->key->xkbInfo->desc;
-    memset(&rep, 0, sizeof(xkbGetNamesReply));
     rep.type= X_Reply;
     rep.sequenceNumber= client->sequence;
     rep.length = 0;
@@ -4368,7 +4364,7 @@ int
 ProcXkbGetGeometry(ClientPtr client)
 {
     DeviceIntPtr 	dev;
-    xkbGetGeometryReply rep;
+    xkbGetGeometryReply rep = {0};
     XkbGeometryPtr	geom;
     Bool		shouldFree;
     Status		status;
@@ -4907,7 +4903,7 @@ int
 ProcXkbPerClientFlags(ClientPtr client)
 {
     DeviceIntPtr 		dev;
-    xkbPerClientFlagsReply 	rep;
+    xkbPerClientFlagsReply 	rep = {0};
     XkbInterestPtr		interest;
 
     REQUEST(xkbPerClientFlagsReq);
@@ -4921,7 +4917,6 @@ ProcXkbPerClientFlags(ClientPtr client)
     CHK_MASK_MATCH(0x02,stuff->change,stuff->value);
 
     interest = XkbFindClientResource((DevicePtr)dev,client);
-    memset(&rep, 0, sizeof(xkbPerClientFlagsReply));
     rep.type= X_Reply;
     rep.length = 0;
     rep.sequenceNumber = client->sequence;
@@ -5040,7 +5035,7 @@ int
 ProcXkbListComponents(ClientPtr client)
 {
     DeviceIntPtr 		dev;
-    xkbListComponentsReply 	rep;
+    xkbListComponentsReply 	rep = {0};
     unsigned			len;
     int				status;
     unsigned char *		str;
@@ -5076,7 +5071,6 @@ ProcXkbListComponents(ClientPtr client)
 	}
 	return status;
     }
-    bzero(&rep,sizeof(xkbListComponentsReply));
     rep.type= X_Reply;
     rep.deviceID = dev->id;
     rep.sequenceNumber = client->sequence;
@@ -5117,12 +5111,12 @@ ProcXkbGetKbdByName(ClientPtr client)
 {
     DeviceIntPtr 		dev;
     XkbFileInfo			finfo;
-    xkbGetKbdByNameReply 	rep;
-    xkbGetMapReply		mrep;
-    xkbGetCompatMapReply	crep;
-    xkbGetIndicatorMapReply	irep;
-    xkbGetNamesReply		nrep;
-    xkbGetGeometryReply		grep;
+    xkbGetKbdByNameReply 	rep = {0};
+    xkbGetMapReply		mrep = {0};
+    xkbGetCompatMapReply	crep = {0};
+    xkbGetIndicatorMapReply	irep = {0};
+    xkbGetNamesReply		nrep = {0};
+    xkbGetGeometryReply		grep = {0};
     XkbComponentNamesRec	names;
     XkbDescPtr			xkb;
     unsigned char *		str;
@@ -5641,7 +5635,7 @@ int
 ProcXkbGetDeviceInfo(ClientPtr client)
 {
 DeviceIntPtr		dev;
-xkbGetDeviceInfoReply	rep;
+xkbGetDeviceInfoReply	rep = {0};
 int			status,nDeviceLedFBs;
 unsigned		length,nameLen;
 CARD16			ledClass,ledID;
@@ -5666,7 +5660,6 @@ char *			str;
     wanted&= ~XkbXIUnsupported;
 
     nameLen= XkbSizeCountedString(dev->name);
-    bzero((char *)&rep,SIZEOF(xkbGetDeviceInfoReply));
     rep.type = X_Reply;
     rep.deviceID= dev->id;
     rep.sequenceNumber = client->sequence;
@@ -6059,7 +6052,7 @@ int
 ProcXkbSetDebuggingFlags(ClientPtr client)
 {
 CARD32 				newFlags,newCtrls,extraLength;
-xkbSetDebuggingFlagsReply 	rep;
+xkbSetDebuggingFlagsReply 	rep = {0};
 
     REQUEST(xkbSetDebuggingFlagsReq);
     REQUEST_AT_LEAST_SIZE(xkbSetDebuggingFlagsReq);