Revert xkb changes that broke XkbGetKeyboard()

xkb/Makefile.am

@@ -30,8 +30,10 @@ DIX_SRCS = \
 XKBFILE_SRCS = \
         maprules.c \
         xkmread.c \
+        xkbtext.c \
         xkbfmisc.c \
-        xkberrs.c
+        xkberrs.c \
+        xkbout.c
 
 X11_SRCS = \
         XKBMisc.c \

xkb/xkbfmisc.c

@@ -48,16 +48,185 @@
 #include <X11/extensions/XKBgeom.h>
 #include "xkb.h"
 
+unsigned
+_XkbKSCheckCase(KeySym ks)
+{
+unsigned	set,rtrn;
+
+    set= (ks & (~0xff)) >> 8;
+    rtrn= 0;
+    switch (set) {
+	case 0:		/* latin 1 */
+	    if (((ks>=XK_A)&&(ks<=XK_Z))||
+		((ks>=XK_Agrave)&&(ks<=XK_THORN)&&(ks!=XK_multiply))) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if (((ks>=XK_a)&&(ks<=XK_z))||
+		((ks>=XK_agrave)&&(ks<=XK_ydiaeresis))) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+	case 1:		/* latin 2 */
+	    if (((ks>=XK_Aogonek)&&(ks<=XK_Zabovedot)&&(ks!=XK_breve))||
+		((ks>=XK_Racute)&&(ks<=XK_Tcedilla))) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if (((ks>=XK_aogonek)&&(ks<=XK_zabovedot)&&(ks!=XK_caron))||
+		((ks>=XK_racute)&&(ks<=XK_tcedilla))) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+	case 2:		/* latin 3 */
+	    if (((ks>=XK_Hstroke)&&(ks<=XK_Jcircumflex))||
+		((ks>=XK_Cabovedot)&&(ks<=XK_Scircumflex))) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if (((ks>=XK_hstroke)&&(ks<=XK_jcircumflex))||
+		((ks>=XK_cabovedot)&&(ks<=XK_scircumflex))) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+	case 3:		/* latin 4 */
+	    if (((ks>=XK_Rcedilla)&&(ks<=XK_Tslash))||
+	        (ks==XK_ENG)||
+		((ks>=XK_Amacron)&&(ks<=XK_Umacron))) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if (((ks>=XK_rcedilla)&&(ks<=XK_tslash))||
+	        (ks==XK_eng)||
+		((ks>=XK_amacron)&&(ks<=XK_umacron))) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+	case 18:		/* latin 8 */
+	    if ((ks==XK_Babovedot)||
+                ((ks>=XK_Dabovedot)&&(ks<=XK_Wacute))||
+		((ks>=XK_Ygrave)&&(ks<=XK_Fabovedot))||
+	        (ks==XK_Mabovedot)||
+	        (ks==XK_Pabovedot)||
+	        (ks==XK_Sabovedot)||
+	        (ks==XK_Wdiaeresis)||
+		((ks>=XK_Wcircumflex)&&(ks<=XK_Ycircumflex))) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if ((ks==XK_babovedot)||
+	        (ks==XK_dabovedot)||
+	        (ks==XK_fabovedot)||
+	        (ks==XK_mabovedot)||
+                ((ks>=XK_wgrave)&&(ks<=XK_wacute))||
+	        (ks==XK_ygrave)||
+		((ks>=XK_wdiaeresis)&&(ks<=XK_ycircumflex))) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+	case 19:		/* latin 9 */
+	    if ((ks==XK_OE)||(ks==XK_Ydiaeresis)) {
+		rtrn|= _XkbKSUpper;
+	    }
+	    if (ks==XK_oe) {
+		rtrn|= _XkbKSLower;
+	    }
+	    break;
+    }
+    return rtrn;
+}
+
+/***===================================================================***/
+
+Bool
+XkbLookupGroupAndLevel(	XkbDescPtr 	xkb,
+			int 		key,
+			int *		mods_inout,
+			int *		grp_inout,
+			int *		lvl_rtrn)
+{
+int		nG,eG;
+
+    if ((!xkb)||(!XkbKeycodeInRange(xkb,key))||(!grp_inout))
+	return False;
+
+    nG= XkbKeyNumGroups(xkb,key);
+    eG= *grp_inout;
+
+    if ( nG==0 ) {
+	*grp_inout= 0;
+	if (lvl_rtrn!=NULL)
+	    *lvl_rtrn= 0;
+	return False;
+    }
+    else if ( nG==1 ) {
+	eG= 0;
+    }
+    else if ( eG>=nG ) {
+	unsigned gI= XkbKeyGroupInfo(xkb,key);
+	switch (XkbOutOfRangeGroupAction(gI)) {
+	    default:
+		eG %= nG;
+		break;
+	    case XkbClampIntoRange:
+		eG = nG-1;
+		break;
+	    case XkbRedirectIntoRange:
+		eG = XkbOutOfRangeGroupNumber(gI);
+		if (eG>=nG)
+		    eG= 0;
+		break;
+	}
+    }
+    *grp_inout= eG;
+    if (mods_inout!=NULL) {
+	XkbKeyTypePtr	type;
+	int		preserve;
+
+	type = XkbKeyKeyType(xkb,key,eG);
+	if (lvl_rtrn!=NULL)
+	    *lvl_rtrn= 0;
+	preserve= 0;
+	if (type->map) { /* find the shift level */
+	    register int i;
+	    register XkbKTMapEntryPtr entry;
+	    for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
+		if ((entry->active)&&
+			(((*mods_inout)&type->mods.mask)==entry->mods.mask)){
+		    if (lvl_rtrn!=NULL)
+			*lvl_rtrn= entry->level;
+		    if (type->preserve)
+			preserve= type->preserve[i].mask;
+		    break;
+		}
+	    }
+	}
+	(*mods_inout)&= ~(type->mods.mask&(~preserve));
+    }
+    return True;
+}
+
 /***===================================================================***/
 
 static Bool
 XkbWriteSectionFromName(FILE *file,char *sectionName,char *name)
 {
     fprintf(file,"    xkb_%-20s { include \"%s\" };\n",sectionName,name);
-    ErrorF("    xkb_%-20s { include \"%s\" };\n",sectionName,name);
     return True;
 }
 
+#define	NEED_DESC(n) ((!n)||((n)[0]=='+')||((n)[0]=='|')||(strchr((n),'%')))
+#define	COMPLETE(n)  ((n)&&(!NEED_DESC(n)))
+
+/* ARGSUSED */
+static void
+_AddIncl(	FILE *		file,
+		XkbFileInfo *	result,
+		Bool 		topLevel,
+		Bool 		showImplicit,
+		int 		index,
+		void *		priv)
+{
+    if ((priv)&&(strcmp((char *)priv,"%")!=0))
+	fprintf(file,"    include \"%s\"\n",(char *)priv);
+    return;
+}
+
 Bool
 XkbWriteXKBKeymapForNames(	FILE *			file,
 				XkbComponentNamesPtr	names,
@@ -66,29 +235,229 @@ XkbWriteXKBKeymapForNames(	FILE *			file,
 				unsigned		want,
 				unsigned		need)
 {
-    if (!names || (!names->keycodes && !names->types && !names->compat &&
+char *		name,*tmp;
-                   !names->symbols && !names->geometry))
+unsigned	complete;
+XkbNamesPtr	old_names;
+int		multi_section;
+unsigned	wantNames,wantConfig,wantDflts;
+XkbFileInfo	finfo;
+
+    bzero(&finfo,sizeof(XkbFileInfo));
+
+    complete= 0;
+    if ((name=names->keymap)==NULL)	name= "default";
+    if (COMPLETE(names->keycodes))	complete|= XkmKeyNamesMask;
+    if (COMPLETE(names->types))		complete|= XkmTypesMask;
+    if (COMPLETE(names->compat))	complete|= XkmCompatMapMask;
+    if (COMPLETE(names->symbols))	complete|= XkmSymbolsMask;
+    if (COMPLETE(names->geometry))	complete|= XkmGeometryMask;
+    want|= (complete|need);
+    if (want&XkmSymbolsMask)
+	want|= XkmKeyNamesMask|XkmTypesMask;
+
+    if (want==0)
 	return False;
 
-    fprintf(file, "xkb_keymap \"%s\" {\n", names->keymap ? names->keymap :
+    if (xkb!=NULL) {
-                                                           "default");
+	 old_names= xkb->names;
+	 finfo.type= 0;
+	 finfo.defined= 0;
+	 finfo.xkb= xkb;
+	 if (!XkbDetermineFileType(&finfo,XkbXKBFile,NULL))
+	    return False;
+    }
+    else old_names= NULL;
 
-    if (names->keycodes)
+    wantConfig= want&(~complete);
-	XkbWriteSectionFromName(file, "keycodes", names->keycodes);
+    if (xkb!=NULL) {
-    if (names->types)
+	if (wantConfig&XkmTypesMask) {
-	XkbWriteSectionFromName(file, "types", names->types);
+	    if ((!xkb->map) || (xkb->map->num_types<XkbNumRequiredTypes))
-    if (names->compat)
+		wantConfig&= ~XkmTypesMask;
-	XkbWriteSectionFromName(file, "compatibility", names->compat);
+	}
-    if (names->symbols)
+	if (wantConfig&XkmCompatMapMask) {
-	XkbWriteSectionFromName(file, "symbols", names->symbols);
+	    if ((!xkb->compat) || (xkb->compat->num_si<1))
-    if (names->geometry)
+		wantConfig&= ~XkmCompatMapMask;
-	XkbWriteSectionFromName(file, "geometry", names->geometry);
+	}
+	if (wantConfig&XkmSymbolsMask) {
+	    if ((!xkb->map) || (!xkb->map->key_sym_map))
+		wantConfig&= ~XkmSymbolsMask;
+	}
+	if (wantConfig&XkmIndicatorsMask) {
+	    if (!xkb->indicators)
+		wantConfig&= ~XkmIndicatorsMask;
+	}
+	if (wantConfig&XkmKeyNamesMask) {
+	    if ((!xkb->names)||(!xkb->names->keys))
+		wantConfig&= ~XkmKeyNamesMask;
+	}
+	if ((wantConfig&XkmGeometryMask)&&(!xkb->geom))
+	    wantConfig&= ~XkmGeometryMask;
+    }
+    else {
+	wantConfig= 0;
+    }
+    complete|= wantConfig;
 
+    wantDflts= 0;
+    wantNames= want&(~complete);
+    if ((xkb!=NULL) && (old_names!=NULL)) {
+	if (wantNames&XkmTypesMask) {
+	    if (old_names->types!=None) {
+		tmp= XkbAtomGetString(dpy,old_names->types);
+		names->types= _XkbDupString(tmp);
+	    }
+	    else {
+		wantDflts|= XkmTypesMask;
+	    }
+	    complete|= XkmTypesMask; 
+	}
+	if (wantNames&XkmCompatMapMask) {
+	    if (old_names->compat!=None) {
+		tmp= XkbAtomGetString(dpy,old_names->compat);
+		names->compat= _XkbDupString(tmp);
+	    }
+	    else wantDflts|= XkmCompatMapMask;
+	    complete|= XkmCompatMapMask; 
+	}
+	if (wantNames&XkmSymbolsMask) {
+	    if (old_names->symbols==None)
+		return False;
+	    tmp= XkbAtomGetString(dpy,old_names->symbols);
+	    names->symbols= _XkbDupString(tmp);
+	    complete|= XkmSymbolsMask; 
+	}
+	if (wantNames&XkmKeyNamesMask) {
+	   if (old_names->keycodes!=None) {
+		tmp= XkbAtomGetString(dpy,old_names->keycodes);
+		names->keycodes= _XkbDupString(tmp);
+	    }
+	    else wantDflts|= XkmKeyNamesMask;
+	    complete|= XkmKeyNamesMask;
+	}
+	if (wantNames&XkmGeometryMask) {
+	    if (old_names->geometry==None)
+		return False;
+	    tmp= XkbAtomGetString(dpy,old_names->geometry);
+	    names->geometry= _XkbDupString(tmp);
+	    complete|= XkmGeometryMask; 
+	    wantNames&= ~XkmGeometryMask;
+	}
+    }
+    if (complete&XkmCompatMapMask)
+	complete|= XkmIndicatorsMask|XkmVirtualModsMask;
+    else if (complete&(XkmSymbolsMask|XkmTypesMask))
+	complete|= XkmVirtualModsMask;
+    if (need & (~complete))
+	return False;
+    if ((complete&XkmSymbolsMask)&&((XkmKeyNamesMask|XkmTypesMask)&(~complete)))
+	return False;
+
+    multi_section= 1;
+    if (((complete&XkmKeymapRequired)==XkmKeymapRequired)&&
+	((complete&(~XkmKeymapLegal))==0)) {
+	fprintf(file,"xkb_keymap \"%s\" {\n",name);
+    }
+    else if (((complete&XkmSemanticsRequired)==XkmSemanticsRequired)&&
+	((complete&(~XkmSemanticsLegal))==0)) {
+	fprintf(file,"xkb_semantics \"%s\" {\n",name);
+    }
+    else if (((complete&XkmLayoutRequired)==XkmLayoutRequired)&&
+	((complete&(~XkmLayoutLegal))==0)) {
+	fprintf(file,"xkb_layout \"%s\" {\n",name);
+    }
+    else if (XkmSingleSection(complete&(~XkmVirtualModsMask))) {
+	multi_section= 0;
+    }
+    else {
+	return False;
+    }
+
+    wantNames= complete&(~(wantConfig|wantDflts));
+    name= names->keycodes;
+    if (wantConfig&XkmKeyNamesMask)
+	XkbWriteXKBKeycodes(file,&finfo,False,False,_AddIncl,name);
+    else if (wantDflts&XkmKeyNamesMask)
+	fprintf(stderr,"Default symbols not implemented yet!\n");
+    else if (wantNames&XkmKeyNamesMask)
+	XkbWriteSectionFromName(file,"keycodes",name);
+
+    name= names->types;
+    if (wantConfig&XkmTypesMask)
+	XkbWriteXKBKeyTypes(file,&finfo,False,False,_AddIncl,name);
+    else if (wantDflts&XkmTypesMask)
+	fprintf(stderr,"Default types not implemented yet!\n");
+    else if (wantNames&XkmTypesMask)
+	XkbWriteSectionFromName(file,"types",name);
+
+    name= names->compat;
+    if (wantConfig&XkmCompatMapMask)
+	XkbWriteXKBCompatMap(file,&finfo,False,False,_AddIncl,name);
+    else if (wantDflts&XkmCompatMapMask)
+	fprintf(stderr,"Default interps not implemented yet!\n");
+    else if (wantNames&XkmCompatMapMask)
+	XkbWriteSectionFromName(file,"compatibility",name);
+
+    name= names->symbols;
+    if (wantConfig&XkmSymbolsMask)
+	XkbWriteXKBSymbols(file,&finfo,False,False,_AddIncl,name);
+    else if (wantNames&XkmSymbolsMask)
+	XkbWriteSectionFromName(file,"symbols",name);
+
+    name= names->geometry;
+    if (wantConfig&XkmGeometryMask)
+	XkbWriteXKBGeometry(file,&finfo,False,False,_AddIncl,name);
+    else if (wantNames&XkmGeometryMask)
+	XkbWriteSectionFromName(file,"geometry",name);
+
+    if (multi_section)
 	fprintf(file,"};\n");
-
     return True;
 }
 
+/***====================================================================***/
+
+/*ARGSUSED*/
+Status
+XkbMergeFile(XkbDescPtr xkb,XkbFileInfo finfo)
+{
+    return BadImplementation;
+}
+
+/***====================================================================***/
+
+int
+XkbFindKeycodeByName(XkbDescPtr xkb,char *name,Bool use_aliases)
+{
+register int	i;
+
+    if ((!xkb)||(!xkb->names)||(!xkb->names->keys))
+	return 0;
+    for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	if (strncmp(xkb->names->keys[i].name,name,XkbKeyNameLength)==0)
+	    return i;
+    }
+    if (!use_aliases)
+	return 0;
+    if (xkb->geom && xkb->geom->key_aliases) {
+	XkbKeyAliasPtr	a;
+	a= xkb->geom->key_aliases;
+	for (i=0;i<xkb->geom->num_key_aliases;i++,a++) {
+	    if (strncmp(name,a->alias,XkbKeyNameLength)==0)
+		return XkbFindKeycodeByName(xkb,a->real,False);
+	}
+    }
+    if (xkb->names && xkb->names->key_aliases) {
+	XkbKeyAliasPtr	a;
+	a= xkb->names->key_aliases;
+	for (i=0;i<xkb->names->num_key_aliases;i++,a++) {
+	    if (strncmp(name,a->alias,XkbKeyNameLength)==0)
+		return XkbFindKeycodeByName(xkb,a->real,False);
+	}
+    }
+    return 0;
+}
+
+
 unsigned
 XkbConvertGetByNameComponents(Bool toXkm,unsigned orig)
 {
@@ -115,6 +484,34 @@ unsigned	rtrn;
     return rtrn;
 }
 
+unsigned
+XkbConvertXkbComponents(Bool toXkm,unsigned orig)
+{
+unsigned	rtrn;
+
+    rtrn= 0;
+    if (toXkm) {
+	if (orig&XkbClientMapMask)	rtrn|= XkmTypesMask|XkmSymbolsMask;
+	if (orig&XkbServerMapMask)	rtrn|= XkmTypesMask|XkmSymbolsMask;
+	if (orig&XkbCompatMapMask)	rtrn|= XkmCompatMapMask;
+	if (orig&XkbIndicatorMapMask)	rtrn|= XkmIndicatorsMask;
+	if (orig&XkbNamesMask)		rtrn|= XkmKeyNamesMask;
+	if (orig&XkbGeometryMask)	rtrn|= XkmGeometryMask;
+    }
+    else {
+	if (orig!=0)			rtrn|= XkbNamesMask;
+	if (orig&XkmTypesMask)		rtrn|= XkbClientMapMask;
+	if (orig&XkmCompatMapMask)
+		rtrn|= XkbCompatMapMask|XkbIndicatorMapMask;
+	if (orig&XkmSymbolsMask)	rtrn|=XkbClientMapMask|XkbServerMapMask;
+	if (orig&XkmIndicatorsMask)	rtrn|= XkbIndicatorMapMask;
+	if (orig&XkmKeyNamesMask)	
+		rtrn|= XkbNamesMask|XkbIndicatorMapMask;
+	if (orig&XkmGeometryMask)	rtrn|= XkbGeometryMask;
+    }
+    return rtrn;
+}
+
 Bool
 XkbDetermineFileType(XkbFileInfoPtr finfo,int format,int *opts_missing)
 {

xkb/xkmread.c

@@ -167,89 +167,6 @@ int	count,nRead=0;
     return nRead;
 }
 
-unsigned
-_XkbKSCheckCase(KeySym ks)
-{
-unsigned	set,rtrn;
-
-    set= (ks & (~0xff)) >> 8;
-    rtrn= 0;
-    switch (set) {
-	case 0:		/* latin 1 */
-	    if (((ks>=XK_A)&&(ks<=XK_Z))||
-		((ks>=XK_Agrave)&&(ks<=XK_THORN)&&(ks!=XK_multiply))) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if (((ks>=XK_a)&&(ks<=XK_z))||
-		((ks>=XK_agrave)&&(ks<=XK_ydiaeresis))) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-	case 1:		/* latin 2 */
-	    if (((ks>=XK_Aogonek)&&(ks<=XK_Zabovedot)&&(ks!=XK_breve))||
-		((ks>=XK_Racute)&&(ks<=XK_Tcedilla))) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if (((ks>=XK_aogonek)&&(ks<=XK_zabovedot)&&(ks!=XK_caron))||
-		((ks>=XK_racute)&&(ks<=XK_tcedilla))) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-	case 2:		/* latin 3 */
-	    if (((ks>=XK_Hstroke)&&(ks<=XK_Jcircumflex))||
-		((ks>=XK_Cabovedot)&&(ks<=XK_Scircumflex))) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if (((ks>=XK_hstroke)&&(ks<=XK_jcircumflex))||
-		((ks>=XK_cabovedot)&&(ks<=XK_scircumflex))) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-	case 3:		/* latin 4 */
-	    if (((ks>=XK_Rcedilla)&&(ks<=XK_Tslash))||
-	        (ks==XK_ENG)||
-		((ks>=XK_Amacron)&&(ks<=XK_Umacron))) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if (((ks>=XK_rcedilla)&&(ks<=XK_tslash))||
-	        (ks==XK_eng)||
-		((ks>=XK_amacron)&&(ks<=XK_umacron))) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-	case 18:		/* latin 8 */
-	    if ((ks==XK_Babovedot)||
-                ((ks>=XK_Dabovedot)&&(ks<=XK_Wacute))||
-		((ks>=XK_Ygrave)&&(ks<=XK_Fabovedot))||
-	        (ks==XK_Mabovedot)||
-	        (ks==XK_Pabovedot)||
-	        (ks==XK_Sabovedot)||
-	        (ks==XK_Wdiaeresis)||
-		((ks>=XK_Wcircumflex)&&(ks<=XK_Ycircumflex))) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if ((ks==XK_babovedot)||
-	        (ks==XK_dabovedot)||
-	        (ks==XK_fabovedot)||
-	        (ks==XK_mabovedot)||
-                ((ks>=XK_wgrave)&&(ks<=XK_wacute))||
-	        (ks==XK_ygrave)||
-		((ks>=XK_wdiaeresis)&&(ks<=XK_ycircumflex))) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-	case 19:		/* latin 9 */
-	    if ((ks==XK_OE)||(ks==XK_Ydiaeresis)) {
-		rtrn|= _XkbKSUpper;
-	    }
-	    if (ks==XK_oe) {
-		rtrn|= _XkbKSLower;
-	    }
-	    break;
-    }
-    return rtrn;
-}
-
 /***====================================================================***/
 
 static int
@@ -1251,10 +1168,14 @@ int			nRead;
 		*loaded_rtrn|= XkmGeometryMask;
 	    break;
 	default:
+	    _XkbLibError(_XkbErrBadImplementation,
+	    			XkbConfigText(tmpTOC.type,XkbMessage),0);
 	    nRead= 0;
 	    break;
     }
     if (nRead!=tmpTOC.size) {
+	_XkbLibError(_XkbErrBadLength,XkbConfigText(tmpTOC.type,XkbMessage),
+						nRead-tmpTOC.size);
 	return 0;
     }
     return (nRead>=0);
@@ -1288,6 +1209,8 @@ char 		name[100];
 		return _XkbDupString(name);
 	    break;
 	default:
+	    _XkbLibError(_XkbErrBadImplementation,
+				XkbConfigText(tmpTOC.type,XkbMessage),0);
 	    break;
     }
     return NULL;
@@ -1353,6 +1276,8 @@ unsigned		which= need|want;
 		tmp= ReadXkmGeometry(file,result);
 		break;
 	    default:
+		_XkbLibError(_XkbErrBadImplementation,
+				XkbConfigText(tmpTOC.type,XkbMessage),0);
 		tmp= 0;
 		break;
 	}
@@ -1362,7 +1287,8 @@ unsigned		which= need|want;
 	    result->defined|= (1<<toc[i].type);
 	}
 	if (nRead!=tmpTOC.size) {
-            return 0;
+	    _XkbLibError(_XkbErrBadLength,XkbConfigText(tmpTOC.type,XkbMessage),
+	    						nRead-tmpTOC.size);
 	}
     }
     return which;