/* $XConsortium: xkmread.c /main/4 1996/01/14 16:44:36 kaleb $ */
/************************************************************
 Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.

 Permission to use, copy, modify, and distribute this
 software and its documentation for any purpose and without
 fee is hereby granted, provided that the above copyright
 notice appear in all copies and that both that copyright
 notice and this permission notice appear in supporting
 documentation, and that the name of Silicon Graphics not be 
 used in advertising or publicity pertaining to distribution 
 of the software without specific prior written permission.
 Silicon Graphics makes no representation about the suitability 
 of this software for any purpose. It is provided "as is"
 without any express or implied warranty.
 
 SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
 AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
 GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
 DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
 OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
 THE USE OR PERFORMANCE OF THIS SOFTWARE.

 ********************************************************/

#include <stdio.h>

#include <X11/Xos.h>
#include <X11/Xfuncs.h>

#ifndef XKB_IN_SERVER

#ifndef X_NOT_STDC_ENV
#include <stdlib.h>
#endif
#include <X11/Xlib.h>
#include <X11/keysym.h>

#include <X11/XKBlib.h>

#include <X11/extensions/XKBgeom.h>
#include "XKMformat.h"
#include "XKBfileInt.h"

#else

#include "X.h"
#define	NEED_EVENTS
#include "Xproto.h"
#include <X11/keysym.h>
#include "misc.h"
#include "inputstr.h"
#include "XKBstr.h"
#define	 XKBSRV_NEED_FILE_FUNCS
#include "XKBsrv.h"
#include "XKBgeom.h"

Atom
#if NeedFunctionPrototypes
XkbInternAtom(Display *dpy,char *str,Bool only_if_exists)
#else
XkbInternAtom(dpy,str,only_if_exists)
    Display *	dpy;
    char *	str;
    Bool	only_if_exists;
#endif
{
    if (str==NULL)
	return None;
    return MakeAtom(str,strlen(str),!only_if_exists);
}

#endif

#ifndef SEEK_SET
#define	SEEK_SET 0
#endif

char *
#if NeedFunctionPrototypes
_XkbDupString(char *str)
#else
_XkbDupString(str)
   char *str;
#endif
{
char *new;
   
   if (str==NULL)
	return NULL;
   new= (char *)_XkbCalloc(strlen(str)+1,sizeof(char));
   if (new)
	strcpy(new,str);
   return new;
}

/***====================================================================***/

static XPointer
#if NeedFunctionPrototypes
XkmInsureSize(XPointer oldPtr,int oldCount,int *newCountRtrn,int elemSize)
#else
XkmInsureSize(oldPtr,oldCount,newCountRtrn,elemSize)
    XPointer	oldPtr;
    int		oldCount;
    int *	newCountRtrn;
    int		elemSize;
#endif
{
int	newCount= *newCountRtrn;

    if (oldPtr==NULL) {
	if (newCount==0)
	    return NULL;
	oldPtr= (XPointer)_XkbCalloc(newCount,elemSize);
    }
    else if (oldCount<newCount) {
	oldPtr= (XPointer)_XkbRealloc(oldPtr,newCount*elemSize);
	if (oldPtr!=NULL) {
	    char *tmp= (char *)oldPtr;
	    bzero(&tmp[oldCount*elemSize],(newCount-oldCount)*elemSize);
	}
    }
    else if (newCount<oldCount) {
	*newCountRtrn= oldCount;
    }
    return oldPtr;
}

#define	XkmInsureTypedSize(p,o,n,t) ((p)=((t *)XkmInsureSize((char *)(p),(o),(n),sizeof(t))))

static CARD8
#if NeedFunctionPrototypes
XkmGetCARD8(FILE *file,int *pNRead)
#else
XkmGetCARD8(file,pNRead)
    FILE *	file;
    int *	pNRead;
#endif
{
int	tmp;
    tmp= getc(file);
    if (pNRead&&(tmp!=EOF))
	(*pNRead)+= 1;
    return tmp;
}

static CARD16
#if NeedFunctionPrototypes
XkmGetCARD16(FILE *file,int *pNRead)
#else
XkmGetCARD16(file,pNRead)
    FILE *	file;
    int *	pNRead;
#endif
{
CARD16		val;

    if ((fread(&val,2,1,file)==1)&&(pNRead))
	(*pNRead)+= 2;
    return val;
}

static CARD32
#if NeedFunctionPrototypes
XkmGetCARD32(FILE *file,int *pNRead)
#else
XkmGetCARD32(file,pNRead)
    FILE *	file;
    int *	pNRead;
#endif
{
unsigned long	val;

    if ((fread(&val,4,1,file)==1)&&(pNRead))
	(*pNRead)+= 4;
    return val;
}

static int
#if NeedFunctionPrototypes
XkmSkipPadding(FILE *file,unsigned pad)
#else
XkmSkipPadding(file,pad)
    FILE *		file;
    unsigned		pad;
#endif
{
register int	i,nRead=0;

    for (i=0;i<pad;i++) {
	if (getc(file)!=EOF)
	    nRead++;
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
XkmGetCountedString(FILE *file,char *str,int max_len)
#else
XkmGetCountedString(file,str,max_len)
    FILE *		file;
    char *		str;
    int			max_len;
#endif
{
int	count,nRead=0;

    count= XkmGetCARD16(file,&nRead);
    if (count>0) {
	int tmp;
	if (count>max_len) {
	    tmp= fread(str,1,max_len,file);
	    while (tmp<count) {
		if ((getc(file))!=EOF)
		     tmp++;
		else break;
	    }
	}
	else {
	    tmp= fread(str,1,count,file);
	}
	nRead+= tmp;
    }
    if (count>=max_len)	str[max_len-1]= '\0';
    else		str[count]= '\0';
    count= XkbPaddedSize(nRead)-nRead;
    if (count>0)
	nRead+= XkmSkipPadding(file,count);
    return nRead;
}

/***====================================================================***/

static int
#if NeedFunctionPrototypes
ReadXkmVirtualMods(FILE *file,XkbFileInfo *result,XkbChangesPtr changes)
#else
ReadXkmVirtualMods(file,result,changes)
    FILE *		file;
    XkbFileInfo *	result;
    XkbChangesPtr	changes;
#endif
{
register unsigned int i,bit;
unsigned int	bound,named,tmp;
int		nRead=0;
XkbDescPtr	xkb;

    xkb= result->xkb;
    if (XkbAllocServerMap(xkb,XkbVirtualModsMask,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmVirtualMods",0);
	return -1;
    }
    bound= XkmGetCARD16(file,&nRead);
    named= XkmGetCARD16(file,&nRead);
    for (i=tmp=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {
	if (bound&bit) {
	    xkb->server->vmods[i]= XkmGetCARD8(file,&nRead);
	    if (changes)
		changes->map.vmods|= bit;
	    tmp++;
	}
    }
    if ((i= XkbPaddedSize(tmp)-tmp)>0)
	nRead+= XkmSkipPadding(file,i);
    if (XkbAllocNames(xkb,XkbVirtualModNamesMask,0,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmVirtualMods",0);
	return -1;
    }
    for (i=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {
	char name[100];
	if (named&bit) {
	    if (nRead+=XkmGetCountedString(file,name,100)) {
		xkb->names->vmods[i]= XkbInternAtom(xkb->dpy,name,False);
		if (changes)
		    changes->names.changed_vmods|= bit;
	    }
	}
    }
    return nRead;
}

/***====================================================================***/

static int
#if NeedFunctionPrototypes
ReadXkmKeycodes(FILE *file,XkbFileInfo *result,XkbChangesPtr changes)
#else
ReadXkmKeycodes(file,result,changes)
    FILE *		file;
    XkbFileInfo *	result;
    XkbChangesPtr	changes;
#endif
{
register int	i;
unsigned	minKC,maxKC,nAl;
int		nRead=0;
char 		name[100];
XkbKeyNamePtr	pN;
XkbDescPtr	xkb;

    xkb= result->xkb;
    name[0]= '\0';
    nRead+= XkmGetCountedString(file,name,100);
    minKC= XkmGetCARD8(file,&nRead);
    maxKC= XkmGetCARD8(file,&nRead);
    if (xkb->min_key_code==0) {
	xkb->min_key_code= minKC;
	xkb->max_key_code= maxKC;
    }
    else {
	if (minKC<xkb->min_key_code)
	    xkb->min_key_code= minKC;
	if (maxKC>xkb->max_key_code) {
	    _XkbLibError(_XkbErrBadValue,"ReadXkmKeycodes",maxKC);
	    return -1;
	}
    }
    nAl= XkmGetCARD8(file,&nRead);
    nRead+= XkmSkipPadding(file,1);

#define WANTED (XkbKeycodesNameMask|XkbKeyNamesMask|XkbKeyAliasesMask)
    if (XkbAllocNames(xkb,WANTED,0,nAl)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmKeycodes",0);
	return -1;
    }
    if (name[0]!='\0') {
	xkb->names->keycodes= XkbInternAtom(xkb->dpy,name,False);
    }

    for (pN=&xkb->names->keys[minKC],i=minKC;i<=(int)maxKC;i++,pN++) {
	if (fread(pN,1,XkbKeyNameLength,file)!=XkbKeyNameLength) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmKeycodes",0);
	    return -1;
	}
	nRead+= XkbKeyNameLength;
    }
    if (nAl>0) {
	XkbKeyAliasPtr	pAl;
	for (pAl= xkb->names->key_aliases,i=0;i<nAl;i++,pAl++) {
	    int tmp;
	    tmp= fread(pAl,1,2*XkbKeyNameLength,file);
	    if (tmp!=2*XkbKeyNameLength) {
		_XkbLibError(_XkbErrBadLength,"ReadXkmKeycodes",0);
		return -1;
	    }
	    nRead+= 2*XkbKeyNameLength;
	}
	if (changes)
	    changes->names.changed|= XkbKeyAliasesMask;
    }
    if (changes)
	changes->names.changed|= XkbKeyNamesMask;
    return nRead;
}

/***====================================================================***/

static int
#if NeedFunctionPrototypes
ReadXkmKeyTypes(FILE *file,XkbFileInfo *result,XkbChangesPtr changes)
#else
ReadXkmKeyTypes(file,result,changes)
    FILE *		file;
    XkbFileInfo *	result;
    XkbChangesPtr	changes;
#endif
{
register unsigned	i,n;
unsigned		num_types;
int			nRead=0;
int			tmp;
XkbKeyTypePtr		type;
xkmKeyTypeDesc		wire;
XkbKTMapEntryPtr	entry;
xkmKTMapEntryDesc	wire_entry;
char 			buf[100];
XkbDescPtr		xkb;

    xkb= result->xkb;
    if ((tmp= XkmGetCountedString(file,buf,100))<1) {
	_XkbLibError(_XkbErrBadLength,"ReadXkmKeyTypes",0);
	return -1;
    }	
    nRead+= tmp;
    if (buf[0]!='\0') {
	if (XkbAllocNames(xkb,XkbTypesNameMask,0,0)!=Success) {
	    _XkbLibError(_XkbErrBadAlloc,"ReadXkmKeyTypes",0);
	    return -1;
        }
	xkb->names->types= XkbInternAtom(xkb->dpy,buf,False);
    }
    num_types= XkmGetCARD16(file,&nRead);
    nRead+= XkmSkipPadding(file,2);
    if (num_types<1)
	return nRead;
    if (XkbAllocClientMap(xkb,XkbKeyTypesMask,num_types)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmKeyTypes",0);
	return nRead;
    }
    xkb->map->num_types= num_types;
    if (num_types<XkbNumRequiredTypes) {
	_XkbLibError(_XkbErrMissingReqTypes,"ReadXkmKeyTypes",0);
	return -1;
    }
    type= xkb->map->types;
    for (i=0;i<num_types;i++,type++) {
	if ((int)fread(&wire,SIZEOF(xkmKeyTypeDesc),1,file)<1) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmKeyTypes",0);
	    return -1;
	}
	nRead+= SIZEOF(xkmKeyTypeDesc);
	if (((i==XkbOneLevelIndex)&&(wire.numLevels!=1))||
	    (((i==XkbTwoLevelIndex)||(i==XkbAlphabeticIndex)||
	     ((i)==XkbKeypadIndex))&&(wire.numLevels!=2))) {
	    _XkbLibError(_XkbErrBadTypeWidth,"ReadXkmKeyTypes",i);
	    return -1;
	}
	tmp= wire.nMapEntries;
	XkmInsureTypedSize(type->map,type->map_count,&tmp,XkbKTMapEntryRec);
	if ((wire.nMapEntries>0)&&(type->map==NULL)) {
	    _XkbLibError(_XkbErrBadValue,"ReadXkmKeyTypes",wire.nMapEntries);
	    return -1;
	}
	for (n=0,entry= type->map;n<wire.nMapEntries;n++,entry++) {
	    if (fread(&wire_entry,SIZEOF(xkmKTMapEntryDesc),1,file)<(int)1) {
		_XkbLibError(_XkbErrBadLength,"ReadXkmKeyTypes",0);
		return -1;
	    }
	    nRead+= SIZEOF(xkmKTMapEntryDesc);
	    entry->active= (wire_entry.virtualMods==0);
	    entry->level= wire_entry.level;
	    entry->mods.mask= wire_entry.realMods;
	    entry->mods.real_mods= wire_entry.realMods;
	    entry->mods.vmods= wire_entry.virtualMods;
	}
	nRead+= XkmGetCountedString(file,buf,100);
	if (((i==XkbOneLevelIndex)&&(strcmp(buf,"ONE_LEVEL")!=0))||
	    ((i==XkbTwoLevelIndex)&&(strcmp(buf,"TWO_LEVEL")!=0))||
	    ((i==XkbAlphabeticIndex)&&(strcmp(buf,"ALPHABETIC")!=0))||
	    ((i==XkbKeypadIndex)&&(strcmp(buf,"KEYPAD")!=0))) {
	   _XkbLibError(_XkbErrBadTypeName,"ReadXkmKeyTypes",0);
	   return -1;
	}
	if (buf[0]!='\0') {
	     type->name= XkbInternAtom(xkb->dpy,buf,False);
	}
	else type->name= None;

	if (wire.preserve) {
	    xkmModsDesc	p_entry;
	    XkbModsPtr	pre;
	    XkmInsureTypedSize(type->preserve,type->map_count,&tmp,
						XkbModsRec);
	    if (type->preserve==NULL) {
		_XkbLibError(_XkbErrBadMatch,"ReadXkmKeycodes",0);
		return -1;
	    }
	    for (n=0,pre=type->preserve;n<wire.nMapEntries;n++,pre++) {
		if (fread(&p_entry,SIZEOF(xkmModsDesc),1,file)<1) {
		    _XkbLibError(_XkbErrBadLength,"ReadXkmKeycodes",0);
		    return -1;
		}
		nRead+= SIZEOF(xkmModsDesc);
		pre->mask= p_entry.realMods;
		pre->real_mods= p_entry.realMods;
		pre->vmods= p_entry.virtualMods;
	    }
	}
	if (wire.nLevelNames>0) {
	    int width= wire.numLevels;
	    if (wire.nLevelNames>(unsigned)width) {
		_XkbLibError(_XkbErrBadMatch,"ReadXkmKeycodes",0);
		return -1;
	    }
	    XkmInsureTypedSize(type->level_names,type->num_levels,&width,Atom);
	    if (type->level_names!=NULL) {
		for (n=0;n<wire.nLevelNames;n++) {
		    if ((tmp=XkmGetCountedString(file,buf,100))<1)
			return -1;
		    nRead+= tmp;
		    if (strlen(buf)==0)
			 type->level_names[n]= None;
		    else type->level_names[n]= XkbInternAtom(xkb->dpy,buf,0);
		}
	    }
	}
	type->mods.mask= wire.realMods;
	type->mods.real_mods= wire.realMods;
	type->mods.vmods= wire.virtualMods;
	type->num_levels= wire.numLevels;
	type->map_count= wire.nMapEntries;
    }
    if (changes) {
	changes->map.changed|= XkbKeyTypesMask;
	changes->map.first_type= 0;
	changes->map.num_types= xkb->map->num_types;
    }
    return nRead;
}

/***====================================================================***/

static int
#if NeedFunctionPrototypes
ReadXkmCompatMap(FILE *file,XkbFileInfo *result,XkbChangesPtr changes)
#else
ReadXkmCompatMap(file,result,changes)
    FILE *		file;
    XkbFileInfo *	result;
    XkbChangesPtr	changes;
#endif
{
register int		i;
unsigned		num_si,groups;
char 			name[100];
XkbSymInterpretPtr	interp;
xkmSymInterpretDesc	wire;
unsigned		tmp;
int			nRead=0;
XkbDescPtr		xkb;
XkbCompatMapPtr		compat;

    xkb= result->xkb;
    if ((tmp= XkmGetCountedString(file,name,100))<1) {
	_XkbLibError(_XkbErrBadLength,"ReadXkmCompatMap",0);
	return -1;
    }
    nRead+= tmp;
    if (name[0]!='\0') {
	if (XkbAllocNames(xkb,XkbCompatNameMask,0,0)!=Success) {
	    _XkbLibError(_XkbErrBadAlloc,"ReadXkmCompatMap",0);
	    return -1;
	}
	xkb->names->compat= XkbInternAtom(xkb->dpy,name,False);
    }
    num_si= XkmGetCARD16(file,&nRead);
    groups= XkmGetCARD8(file,&nRead);
    nRead+= XkmSkipPadding(file,1);
    if (XkbAllocCompatMap(xkb,XkbAllCompatMask,num_si)!=Success)
	return -1;
    compat= xkb->compat;
    compat->num_si= num_si;
    interp= compat->sym_interpret;
    for (i=0;i<num_si;i++,interp++) {
	tmp= fread(&wire,SIZEOF(xkmSymInterpretDesc),1,file);
	nRead+= tmp*SIZEOF(xkmSymInterpretDesc);
	interp->sym= wire.sym;
	interp->mods= wire.mods;
	interp->match= wire.match;
	interp->virtual_mod= wire.virtualMod;
	interp->flags= wire.flags;
	interp->act.type= wire.actionType;
	interp->act.data[0]= wire.actionData[0];
	interp->act.data[1]= wire.actionData[1];
	interp->act.data[2]= wire.actionData[2];
	interp->act.data[3]= wire.actionData[3];
	interp->act.data[4]= wire.actionData[4];
	interp->act.data[5]= wire.actionData[5];
	interp->act.data[6]= wire.actionData[6];
    }
    if ((num_si>0)&&(changes)) {
	changes->compat.first_si= 0;
	changes->compat.num_si= num_si;
    }
    if (groups) {
	register unsigned bit;
	for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {
	    xkmModsDesc	md;
	    if (groups&bit) {
		tmp= fread(&md,SIZEOF(xkmModsDesc),1,file);
		nRead+= tmp*SIZEOF(xkmModsDesc);
		xkb->compat->groups[i].real_mods= md.realMods;
		xkb->compat->groups[i].vmods= md.virtualMods;
		if (md.virtualMods != 0) {
		    unsigned mask;
		    if (XkbVirtualModsToReal(xkb,md.virtualMods,&mask))
			xkb->compat->groups[i].mask= md.realMods|mask;
		}
		else xkb->compat->groups[i].mask= md.realMods;
	    }
	}
	if (changes)
	    changes->compat.changed_groups|= groups;
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
ReadXkmIndicators(FILE *file,XkbFileInfo *result,XkbChangesPtr changes)
#else
ReadXkmIndicators(file,result,changes)
    FILE *		file;
    XkbFileInfo *	result;
    XkbChangesPtr	changes;
#endif
{
register unsigned	nLEDs;
xkmIndicatorMapDesc	wire;
char			buf[100];
unsigned		tmp;
int			nRead=0;
XkbDescPtr		xkb;

    xkb= result->xkb;
    if ((xkb->indicators==NULL)&&(XkbAllocIndicatorMaps(xkb)!=Success)) {
	_XkbLibError(_XkbErrBadAlloc,"indicator rec",0);
	return -1;
    }
    if (XkbAllocNames(xkb,XkbIndicatorNamesMask,0,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"indicator names",0);
	return -1;
    }
    nLEDs= XkmGetCARD8(file,&nRead);
    nRead+= XkmSkipPadding(file,3);
    xkb->indicators->phys_indicators= XkmGetCARD32(file,&nRead);
    while (nLEDs-->0) {
	Atom 			name;
	XkbIndicatorMapPtr	map;

	if ((tmp=XkmGetCountedString(file,buf,100))<1) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmIndicators",0);
	    return -1;
	}
	nRead+= tmp;
	if (buf[0]!='\0')
	     name= XkbInternAtom(xkb->dpy,buf,False);
	else name= None;
	if ((tmp=fread(&wire,SIZEOF(xkmIndicatorMapDesc),1,file))<1) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmIndicators",0);
	    return -1;
	}
	nRead+= tmp*SIZEOF(xkmIndicatorMapDesc);
	if (xkb->names) {
	    xkb->names->indicators[wire.indicator-1]= name;
	    if (changes)
		changes->names.changed_indicators|= (1<<(wire.indicator-1));
	}
	map= &xkb->indicators->maps[wire.indicator-1];
	map->flags= wire.flags;
	map->which_groups= wire.which_groups;
	map->groups= wire.groups;
	map->which_mods= wire.which_mods;
	map->mods.mask= wire.real_mods;
	map->mods.real_mods= wire.real_mods;
	map->mods.vmods= wire.vmods;
	map->ctrls= wire.ctrls;
    }
    return nRead;
}

static XkbKeyTypePtr
#if NeedFunctionPrototypes
FindTypeForKey(XkbDescPtr xkb,Atom name,unsigned width,KeySym *syms)
#else
FindTypeForKey(xkb,name,width,syms)
    XkbDescPtr	xkb;
    Atom	name;
    unsigned	width;
    KeySym *	syms;
#endif
{
    if ((!xkb)||(!xkb->map))
	return NULL;
    if (name!=None) {
	register unsigned i;
	for (i=0;i<xkb->map->num_types;i++) {
	    if (xkb->map->types[i].name==name) {
#ifdef DEBUG
		if (xkb->map->types[i].num_levels!=width)
		    fprintf(stderr,"Group width mismatch between key and type\n");
#endif
		return &xkb->map->types[i];
	    }
	}
    }
    if ((width<2)||((syms!=NULL)&&(syms[1]==NoSymbol)))
	return &xkb->map->types[XkbOneLevelIndex];
    if (syms!=NULL) {
	if (XkbKSIsLower(syms[0])&&XkbKSIsUpper(syms[1]))
	    return &xkb->map->types[XkbAlphabeticIndex];
	else if (XkbKSIsKeypad(syms[0])||XkbKSIsKeypad(syms[1]))
	    return &xkb->map->types[XkbKeypadIndex];
    }
    return &xkb->map->types[XkbTwoLevelIndex];
}

static int
#if NeedFunctionPrototypes
ReadXkmSymbols(FILE *file,XkbFileInfo *result)
#else
ReadXkmSymbols(file,result)
    FILE *		file;
    XkbFileInfo *	result;
#endif
{
register int		i,g,s,totalVModMaps;
xkmKeySymMapDesc 	wireMap;
char 			buf[100];
unsigned		minKC,maxKC,groupNames,tmp;
int			nRead=0;
XkbDescPtr		xkb;

    xkb= result->xkb;
    if ((tmp=XkmGetCountedString(file,buf,100))<1)
	return -1;
    nRead+= tmp;
    minKC= XkmGetCARD8(file,&nRead);
    maxKC= XkmGetCARD8(file,&nRead);
    groupNames= XkmGetCARD8(file,&nRead);
    totalVModMaps= XkmGetCARD8(file,&nRead);
    if (XkbAllocNames(xkb,
	      XkbSymbolsNameMask|XkbPhysSymbolsNameMask|XkbGroupNamesMask,
	      0,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"physical names",0);
	return -1;
    }
    if ((buf[0]!='\0')&&(xkb->names)) {
	Atom name;
	name= XkbInternAtom(xkb->dpy,buf,0);
	xkb->names->symbols= name;
	xkb->names->phys_symbols= name;
    }
    for (i=0,g=1;i<XkbNumKbdGroups;i++,g<<=1) {
	if (groupNames&g) {
	    if ((tmp=XkmGetCountedString(file,buf,100))<1)
		return -1;
	    nRead+= tmp;
	    if ((buf[0]!='\0')&&(xkb->names)) {
		Atom name;
		name= XkbInternAtom(xkb->dpy,buf,0);
		xkb->names->groups[i]= name;
	    }	
	    else xkb->names->groups[i]= None;
	}
    }
    if (XkbAllocServerMap(xkb,XkbAllServerInfoMask,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"server map",0);
	return -1;
    }
    if (XkbAllocClientMap(xkb,XkbAllClientInfoMask,0)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"client map",0);
	return -1;
    }
    if (XkbAllocControls(xkb,XkbAllControlsMask)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"controls",0);
	return -1;
    }
    if ((xkb->map==NULL)||(xkb->server==NULL))
	return -1;
    if (xkb->min_key_code<8)	xkb->min_key_code= minKC;
    if (xkb->max_key_code<8)	xkb->max_key_code= maxKC;
    if ((minKC>=8)&&(minKC<xkb->min_key_code))
	xkb->min_key_code= minKC;
    if ((maxKC>=8)&&(maxKC>xkb->max_key_code)) {
	_XkbLibError(_XkbErrBadValue,"keys in symbol map",maxKC);
	return -1;
    }
    for (i=minKC;i<=(int)maxKC;i++)  {
	Atom 		typeName[XkbNumKbdGroups];
	XkbKeyTypePtr	type[XkbNumKbdGroups];
	if ((tmp=fread(&wireMap,SIZEOF(xkmKeySymMapDesc),1,file))<1) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmSymbols",0);
	    return -1;
	}
	nRead+= tmp*SIZEOF(xkmKeySymMapDesc);
	bzero((char *)typeName,XkbNumKbdGroups*sizeof(Atom));
	bzero((char *)type,XkbNumKbdGroups*sizeof(XkbKeyTypePtr));
	if (wireMap.flags&XkmKeyHasTypes) {
	    register int g;
	    for (g=0;g<XkbNumKbdGroups;g++) {
		if ((wireMap.flags&(1<<g))&&
			((tmp=XkmGetCountedString(file,buf,100))>0)) {
		    typeName[g]= XkbInternAtom(xkb->dpy,buf,1);
		    nRead+= tmp;
		}
		type[g]=FindTypeForKey(xkb,typeName[g],wireMap.width,NULL);
		if (type[g]==NULL) {
		    _XkbLibError(_XkbErrMissingTypes,"ReadXkmSymbols",0);
		    return -1;
		}
		if (typeName[g]==type[g]->name)
		    xkb->server->explicit[i]|= (1<<g);
	    }
	}
	if (wireMap.flags&XkmRepeatingKey) {
	    xkb->ctrls->per_key_repeat[i/8]|= (1<<(i%8));
	    xkb->server->explicit[i]|= XkbExplicitAutoRepeatMask;
	}
	else if (wireMap.flags&XkmNonRepeatingKey) {
	    xkb->ctrls->per_key_repeat[i/8]&= ~(1<<(i%8));
	    xkb->server->explicit[i]|= XkbExplicitAutoRepeatMask;
	}
	xkb->map->modmap[i]= wireMap.modifier_map;
	if (wireMap.num_groups>0) {
	    KeySym	*sym;
	    int		 nSyms;
	
	    if (wireMap.num_groups>xkb->ctrls->num_groups)
		xkb->ctrls->num_groups= wireMap.num_groups;
	    nSyms= wireMap.num_groups*wireMap.width;
	    sym= XkbResizeKeySyms(xkb,i,nSyms);
	    if (!sym)
		return -1;
	    for (s=0;s<nSyms;s++) {
		*sym++= XkmGetCARD32(file,&nRead);
	    }
	    if (wireMap.flags&XkmKeyHasActions) {
		XkbAction *	act;
		act= XkbResizeKeyActions(xkb,i,nSyms);
		for (s=0;s<nSyms;s++,act++) {
		    tmp=fread(act,SIZEOF(xkmActionDesc),1,file);
		    nRead+= tmp*SIZEOF(xkmActionDesc);
		}
		xkb->server->explicit[i]|= XkbExplicitInterpretMask;
	    }
	}
	for (g=0;g<wireMap.num_groups;g++) {
	    if (((xkb->server->explicit[i]&(1<<g))==0)||(type[g]==NULL)) {
		KeySym *tmpSyms;
		tmpSyms= XkbKeySymsPtr(xkb,i)+(wireMap.width*g);
		type[g]= FindTypeForKey(xkb,None,wireMap.width,tmpSyms);
	    }
	    xkb->map->key_sym_map[i].kt_index[g]= type[g]-(&xkb->map->types[0]);
	}
	xkb->map->key_sym_map[i].group_info= wireMap.num_groups;
	xkb->map->key_sym_map[i].width= wireMap.width;
	if (wireMap.flags&XkmKeyHasBehavior) {
	    xkmBehaviorDesc	b;
	    tmp= fread(&b,SIZEOF(xkmBehaviorDesc),1,file);
	    nRead+= tmp*SIZEOF(xkmBehaviorDesc);
	    xkb->server->behaviors[i].type= b.type;
	    xkb->server->behaviors[i].data= b.data;
	    xkb->server->explicit[i]|= XkbExplicitBehaviorMask;
	}
    }
    if (totalVModMaps>0) {
	xkmVModMapDesc	v;
	for (i=0;i<totalVModMaps;i++) {
	    tmp= fread(&v,SIZEOF(xkmVModMapDesc),1,file);
	    nRead+= tmp*SIZEOF(xkmVModMapDesc);
	    if (tmp>0)
		xkb->server->vmodmap[v.key]= v.vmods;
	}
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
ReadXkmGeomDoodad(
    FILE *		file,
    Display *		dpy,
    XkbGeometryPtr	geom,
    XkbSectionPtr	section)
#else
ReadXkmGeomDoodad(file,dpy,geom,section)
    FILE *		file;
    Display *		dpy;
    XkbGeometryPtr	geom;
    XkbSectionPtr	section;
#endif
{
XkbDoodadPtr	doodad;
xkmDoodadDesc	doodadWire;
char		buf[100];
unsigned	tmp;
int		nRead=0;

    nRead+= XkmGetCountedString(file,buf,100);
    tmp= fread(&doodadWire,SIZEOF(xkmDoodadDesc),1,file);
    nRead+= SIZEOF(xkmDoodadDesc)*tmp;
    doodad= XkbAddGeomDoodad(geom,section,XkbInternAtom(dpy,buf,False));
    if (!doodad)
	return nRead;
    doodad->any.type= doodadWire.any.type;
    doodad->any.priority= doodadWire.any.priority;
    doodad->any.top= doodadWire.any.top;
    doodad->any.left= doodadWire.any.left;
    switch (doodadWire.any.type) {
	case XkbOutlineDoodad:
	case XkbSolidDoodad:
	    doodad->shape.angle= doodadWire.shape.angle;
	    doodad->shape.color_ndx= doodadWire.shape.color_ndx;
	    doodad->shape.shape_ndx= doodadWire.shape.shape_ndx;
	    break;
	case XkbTextDoodad:
	    doodad->text.angle= doodadWire.text.angle;
	    doodad->text.width= doodadWire.text.width;
	    doodad->text.height= doodadWire.text.height;
	    doodad->text.color_ndx= doodadWire.text.color_ndx;
	    nRead+= XkmGetCountedString(file,buf,100);
	    doodad->text.text= _XkbDupString(buf);
	    nRead+= XkmGetCountedString(file,buf,100);
	    doodad->text.font= _XkbDupString(buf);
	    break;
	case XkbIndicatorDoodad:
	    doodad->indicator.shape_ndx= doodadWire.indicator.shape_ndx;
	    doodad->indicator.on_color_ndx= doodadWire.indicator.on_color_ndx;
	    doodad->indicator.off_color_ndx= doodadWire.indicator.off_color_ndx;
	    break;
	case XkbLogoDoodad:
	    doodad->logo.angle= doodadWire.logo.angle;
	    doodad->logo.color_ndx= doodadWire.logo.color_ndx;
	    doodad->logo.shape_ndx= doodadWire.logo.shape_ndx;
	    nRead+= XkmGetCountedString(file,buf,100);
	    doodad->logo.logo_name= _XkbDupString(buf);
	    break;
	default:
	    /* report error? */
	    return nRead;
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
ReadXkmGeomOverlay(	FILE *		file,
			Display *	dpy,
			XkbGeometryPtr	geom,
			XkbSectionPtr	section)
#else
ReadXkmGeomOverlay(file,dpy,geom,section)
    FILE *		file;
    Display *		dpy;
    XkbGeometryPtr	geom;
    XkbSectionPtr	section;
#endif
{
char 			buf[100];
unsigned		tmp;
int			nRead=0;
XkbOverlayPtr		ol;
XkbOverlayRowPtr	row;
xkmOverlayDesc 		olWire;
xkmOverlayRowDesc	rowWire;
register int		r;

    nRead+= XkmGetCountedString(file,buf,100);
    tmp= fread(&olWire,SIZEOF(xkmOverlayDesc),1,file);
    nRead+= tmp*SIZEOF(xkmOverlayDesc);
    ol= XkbAddGeomOverlay(section,XkbInternAtom(dpy,buf,False),
    							olWire.num_rows);
    if (!ol)
	return nRead;
    for (r=0;r<olWire.num_rows;r++)  {
    	int			k;
	xkmOverlayKeyDesc	keyWire;
	tmp= fread(&rowWire,SIZEOF(xkmOverlayRowDesc),1,file);
	nRead+= tmp*SIZEOF(xkmOverlayRowDesc);
	row= XkbAddGeomOverlayRow(ol,rowWire.row_under,rowWire.num_keys);
	if (!row) {
	    _XkbLibError(_XkbErrBadAlloc,"ReadXkmGeomOverlay",0);
	   return nRead;
	}
	for (k=0;k<rowWire.num_keys;k++) {
	    tmp= fread(&keyWire,SIZEOF(xkmOverlayKeyDesc),1,file);
	    nRead+= tmp*SIZEOF(xkmOverlayKeyDesc);
	    memcpy(row->keys[k].over.name,keyWire.over,XkbKeyNameLength);
	    memcpy(row->keys[k].under.name,keyWire.under,XkbKeyNameLength);
	}
	row->num_keys= rowWire.num_keys;
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
ReadXkmGeomSection(	FILE *		file,
			Display *	dpy,
			XkbGeometryPtr	geom)
#else
ReadXkmGeomSection(file,dpy,geom)
    FILE *		file;
    Display *		dpy;
    XkbGeometryPtr	geom;
#endif
{
register int	i;
XkbSectionPtr	section;
xkmSectionDesc	sectionWire;
unsigned	tmp;
int		nRead= 0;
char		buf[100];
Atom		nameAtom;

    nRead+= XkmGetCountedString(file,buf,100);
    nameAtom= XkbInternAtom(dpy,buf,False);
    tmp= fread(&sectionWire,SIZEOF(xkmSectionDesc),1,file);
    nRead+= SIZEOF(xkmSectionDesc)*tmp;
    section= XkbAddGeomSection(geom,nameAtom,sectionWire.num_rows,
			 			sectionWire.num_doodads,
			 			sectionWire.num_overlays);
    if (!section) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmGeomSection",0);
	return nRead;
    }
    section->top= sectionWire.top;
    section->left= sectionWire.left;
    section->width= sectionWire.width;
    section->height= sectionWire.height;
    section->angle= sectionWire.angle;
    section->priority= sectionWire.priority;
    if (sectionWire.num_rows>0) {
	register int	k;
	XkbRowPtr	row;
	xkmRowDesc	rowWire;
	XkbKeyPtr	key;
	xkmKeyDesc	keyWire;

	for (i=0;i<sectionWire.num_rows;i++) {
	    tmp= fread(&rowWire,SIZEOF(xkmRowDesc),1,file);
	    nRead+= SIZEOF(xkmRowDesc)*tmp;
	    row= XkbAddGeomRow(section,rowWire.num_keys);
	    if (!row) {
		_XkbLibError(_XkbErrBadAlloc,"ReadXkmKeycodes",0);
		return nRead;
	    }
	    row->top= rowWire.top;
	    row->left= rowWire.left;
	    row->vertical= rowWire.vertical;
	    for (k=0;k<rowWire.num_keys;k++) {
		tmp= fread(&keyWire,SIZEOF(xkmKeyDesc),1,file);
		nRead+= SIZEOF(xkmKeyDesc)*tmp;
		key= XkbAddGeomKey(row);
		if (!key) {
		    _XkbLibError(_XkbErrBadAlloc,"ReadXkmGeomSection",0);
		    return nRead;
		}
		memcpy(key->name.name,keyWire.name,XkbKeyNameLength);
		key->gap= keyWire.gap;
		key->shape_ndx= keyWire.shape_ndx;
		key->color_ndx= keyWire.color_ndx;
	    }
	}
    }
    if (sectionWire.num_doodads>0) {
	for (i=0;i<sectionWire.num_doodads;i++) {
	    tmp= ReadXkmGeomDoodad(file,dpy,geom,section);
	    nRead+= tmp;
	    if (tmp<1)
		return nRead;
	}
    }
    if (sectionWire.num_overlays>0) {
	for (i=0;i<sectionWire.num_overlays;i++) {
	    tmp= ReadXkmGeomOverlay(file,dpy,geom,section);
	    nRead+= tmp;
	    if (tmp<1)
		return nRead;
	}
    }
    return nRead;
}

static int
#if NeedFunctionPrototypes
ReadXkmGeometry(FILE *file,XkbFileInfo *result)
#else
ReadXkmGeometry(file,result)
    FILE *		file;
    XkbFileInfo *	result;
#endif
{
register int		i;
char 			buf[100];
unsigned		tmp;
int			nRead= 0;
xkmGeometryDesc		wireGeom;
XkbGeometryPtr		geom;
XkbGeometrySizesRec	sizes;

    nRead+= XkmGetCountedString(file,buf,100);
    tmp= fread(&wireGeom,SIZEOF(xkmGeometryDesc),1,file);
    nRead+= tmp*SIZEOF(xkmGeometryDesc);
    sizes.which= XkbGeomAllMask;
    sizes.num_properties= wireGeom.num_properties;
    sizes.num_colors= wireGeom.num_colors;
    sizes.num_shapes= wireGeom.num_shapes;
    sizes.num_sections= wireGeom.num_sections;
    sizes.num_doodads= wireGeom.num_doodads;
    sizes.num_key_aliases= wireGeom.num_key_aliases;
    if (XkbAllocGeometry(result->xkb,&sizes)!=Success) {
	_XkbLibError(_XkbErrBadAlloc,"ReadXkmGeometry",0);
	return nRead;
    }
    geom= result->xkb->geom;
    geom->name= XkbInternAtom(result->xkb->dpy,buf,False);
    geom->width_mm= wireGeom.width_mm;
    geom->height_mm= wireGeom.height_mm;
    nRead+= XkmGetCountedString(file,buf,100);
    geom->label_font= _XkbDupString(buf);
    if (wireGeom.num_properties>0) {
	char val[1024];
	for (i=0;i<wireGeom.num_properties;i++) {
	    nRead+= XkmGetCountedString(file,buf,100);
	    nRead+= XkmGetCountedString(file,val,1024);
	    if (XkbAddGeomProperty(geom,buf,val)==NULL) {
		_XkbLibError(_XkbErrBadAlloc,"ReadXkmGeometry",0);
		return nRead;
	    }
	}
    }
    if (wireGeom.num_colors>0) {
	for (i=0;i<wireGeom.num_colors;i++) {
	    nRead+= XkmGetCountedString(file,buf,100);
	    if (XkbAddGeomColor(geom,buf,i)==NULL) {
		_XkbLibError(_XkbErrBadAlloc,"ReadXkmGeometry",0);
		return nRead;
	    }
	}
    }
    geom->base_color= &geom->colors[wireGeom.base_color_ndx];
    geom->label_color= &geom->colors[wireGeom.label_color_ndx];
    if (wireGeom.num_shapes>0) {
	XkbShapePtr	shape;
	xkmShapeDesc	shapeWire;
	Atom		nameAtom;
	for (i=0;i<wireGeom.num_shapes;i++) {
	    register int 	n;
	    XkbOutlinePtr	ol;
	    xkmOutlineDesc	olWire;
	    nRead+= XkmGetCountedString(file,buf,100);
	    nameAtom= XkbInternAtom(result->xkb->dpy,buf,False);
	    tmp= fread(&shapeWire,SIZEOF(xkmShapeDesc),1,file);
	    nRead+= tmp*SIZEOF(xkmShapeDesc);
	    shape= XkbAddGeomShape(geom,nameAtom,shapeWire.num_outlines);
	    if (!shape) {
		_XkbLibError(_XkbErrBadAlloc,"ReadXkmGeometry",0);
		return nRead;
	    }
	    for (n=0;n<shapeWire.num_outlines;n++) {
		register int	p;
		xkmPointDesc	ptWire;
		tmp= fread(&olWire,SIZEOF(xkmOutlineDesc),1,file);
		nRead+= tmp*SIZEOF(xkmOutlineDesc);
		ol= XkbAddGeomOutline(shape,olWire.num_points);
		if (!ol) {
		    _XkbLibError(_XkbErrBadAlloc,"ReadXkmGeometry",0);
		    return nRead;
		}
		ol->num_points= olWire.num_points;
		ol->corner_radius= olWire.corner_radius;
		for (p=0;p<olWire.num_points;p++) {
		    tmp= fread(&ptWire,SIZEOF(xkmPointDesc),1,file);
		    nRead+= tmp*SIZEOF(xkmPointDesc);
		    ol->points[p].x= ptWire.x;
		    ol->points[p].y= ptWire.y;
		    if (ptWire.x<shape->bounds.x1) shape->bounds.x1= ptWire.x;
		    if (ptWire.x>shape->bounds.x2) shape->bounds.x2= ptWire.x;
		    if (ptWire.y<shape->bounds.y1) shape->bounds.y1= ptWire.y;
		    if (ptWire.y>shape->bounds.y2) shape->bounds.y2= ptWire.y;
		}
	    }
	    if (shapeWire.primary_ndx!=XkbNoShape)
		shape->primary= &shape->outlines[shapeWire.primary_ndx];
	    if (shapeWire.approx_ndx!=XkbNoShape)
		shape->approx= &shape->outlines[shapeWire.approx_ndx];
	}
    }
    if (wireGeom.num_sections>0) {
	for (i=0;i<wireGeom.num_sections;i++) {
	    tmp= ReadXkmGeomSection(file,result->xkb->dpy,geom);
	    nRead+= tmp;
	    if (tmp==0)
		return nRead;
	}
    }
    if (wireGeom.num_doodads>0) {
	for (i=0;i<wireGeom.num_doodads;i++) {
	    tmp= ReadXkmGeomDoodad(file,result->xkb->dpy,geom,NULL);
	    nRead+= tmp;
	    if (tmp==0)
		return nRead;
	}
    }
    if ((wireGeom.num_key_aliases>0)&&(geom->key_aliases)) {
	int sz= XkbKeyNameLength*2;
	int num= wireGeom.num_key_aliases;
	if (fread(geom->key_aliases,sz,num,file)!=num) {
	    _XkbLibError(_XkbErrBadLength,"ReadXkmGeometry",0);
	    return -1;
	}
	nRead+= (num*sz);
	geom->num_key_aliases= num;
    }
    return nRead;
}

Bool
#if NeedFunctionPrototypes
XkmProbe(FILE *file)
#else
XkmProbe(file)
    FILE *	file;
#endif
{
unsigned hdr,tmp;
int	 nRead=0;

    hdr= (('x'<<24)|('k'<<16)|('m'<<8)|XkmFileVersion);
    tmp= XkmGetCARD32(file,&nRead);
    if (tmp!=hdr) {
	if ((tmp&(~0xff))==(hdr&(~0xff))) {
	    _XkbLibError(_XkbErrBadFileVersion,"XkmProbe",tmp&0xff);
	}
	return 0;
    }
    return 1;
}

Bool
#if NeedFunctionPrototypes
XkmReadTOC(FILE *file,xkmFileInfo* file_info,int max_toc,xkmSectionInfo *toc)
#else
XkmReadTOC(file,file_info,max_toc,toc)
    FILE *		file;
    xkmFileInfo *	file_info;
    int			max_toc;
    xkmSectionInfo *	toc;
#endif
{
unsigned hdr,tmp;
int	nRead=0;
unsigned i,size_toc;

    hdr= (('x'<<24)|('k'<<16)|('m'<<8)|XkmFileVersion);
    tmp= XkmGetCARD32(file,&nRead);
    if (tmp!=hdr) {
	if ((tmp&(~0xff))==(hdr&(~0xff))) {
	    _XkbLibError(_XkbErrBadFileVersion,"XkmReadTOC",tmp&0xff);
	}
	else {
	    _XkbLibError(_XkbErrBadFileType,"XkmReadTOC",tmp);
	}
	return 0;
    }
    fread(file_info,SIZEOF(xkmFileInfo),1,file);
    size_toc= file_info->num_toc;
    if (size_toc>max_toc) {
#ifdef DEBUG
	fprintf(stderr,"Warning! Too many TOC entries; last %d ignored\n",
							size_toc-max_toc);
#endif
	size_toc= max_toc;
    }
    for (i=0;i<size_toc;i++) {
	fread(&toc[i],SIZEOF(xkmSectionInfo),1,file);
    }
    return 1;
}

xkmSectionInfo *
#if NeedFunctionPrototypes
XkmFindTOCEntry(xkmFileInfo *finfo,xkmSectionInfo *toc,unsigned type)
#else
XkmFindTOCEntry(finfo,toc,type)
    xkmFileInfo *	finfo;
    xkmSectionInfo *	toc;
    unsigned		type;
#endif
{
register int i;

    for (i=0;i<finfo->num_toc;i++) {
	if (toc[i].type==type)
	    return &toc[i];
    }
    return NULL;
}

Bool
#if NeedFunctionPrototypes
XkmReadFileSection(	FILE *			file,
			xkmSectionInfo *	toc,
			XkbFileInfo *		result,
			unsigned *		loaded_rtrn)
#else
XkmReadFileSection(file,toc,result,loaded_rtrn)
    FILE *		file;
    xkmSectionInfo *	toc;
    XkbFileInfo *	result;
    unsigned *		loaded_rtrn;
#endif
{
xkmSectionInfo		tmpTOC;
int			nRead;

    if ((!result)||(!result->xkb)) {
	_XkbLibError(_XkbErrBadMatch,"XkmReadFileSection",0);
	return 0;
    }
    fseek(file,toc->offset,SEEK_SET);
    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)) {
	_XkbLibError(_XkbErrIllegalContents,"XkmReadFileSection",0);
	return 0;
    }
    switch (tmpTOC.type) {
	case XkmVirtualModsIndex:
	    nRead+= ReadXkmVirtualMods(file,result,NULL);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmVirtualModsMask;
	    break;
	case XkmTypesIndex:
	    nRead+= ReadXkmKeyTypes(file,result,NULL);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmTypesMask;
	    break;
	case XkmCompatMapIndex:
	    nRead+= ReadXkmCompatMap(file,result,NULL);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmCompatMapMask;
	    break;
	case XkmKeyNamesIndex:
	    nRead+= ReadXkmKeycodes(file,result,NULL);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmKeyNamesMask;
	    break;
	case XkmSymbolsIndex:
	    nRead+= ReadXkmSymbols(file,result);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmSymbolsMask;
	    break;
	case XkmIndicatorsIndex:
	    nRead+= ReadXkmIndicators(file,result,NULL);
	    if ((loaded_rtrn)&&(nRead>=0))
		*loaded_rtrn|= XkmIndicatorsMask;
	    break;
	case XkmGeometryIndex:
	    nRead+= ReadXkmGeometry(file,result);
	    if ((loaded_rtrn)&&(nRead>=0))
		*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);
}

char *
#if NeedFunctionPrototypes
XkmReadFileSectionName(FILE *file,xkmSectionInfo *toc)
#else
XkmReadFileSectionName(file,toc)
    FILE *		file;
    xkmSectionInfo *	toc;
#endif
{
xkmSectionInfo	tmpTOC;
char 		name[100];

    if ((!file)||(!toc))
	return 0;
    switch (toc->type) {
	case XkmVirtualModsIndex:
	case XkmIndicatorsIndex:
	    break;
	case XkmTypesIndex:
	case XkmCompatMapIndex:
	case XkmKeyNamesIndex:
	case XkmSymbolsIndex:
	case XkmGeometryIndex:
	    fseek(file,toc->offset,SEEK_SET);
	    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);
		return 0;
	    }
	    if (XkmGetCountedString(file,name,100)>0)
		return _XkbDupString(name);
	    break;
	default:
	    _XkbLibError(_XkbErrBadImplementation,
				XkbConfigText(tmpTOC.type,XkbMessage),0);
	    break;
    }
    return NULL;
}

/***====================================================================***/

#define	MAX_TOC	16
unsigned
#if NeedFunctionPrototypes
XkmReadFile(FILE *file,unsigned need,unsigned want,XkbFileInfo *result)
#else
XkmReadFile(file,need,want,result)
    FILE *		file;
    unsigned 		need;
    unsigned		want;
    XkbFileInfo	*	result;
#endif
{
register unsigned	i;
xkmSectionInfo		toc[MAX_TOC],tmpTOC;
xkmFileInfo		fileInfo;
unsigned		tmp,nRead=0;
unsigned		which= need|want;

    if (!XkmReadTOC(file,&fileInfo,MAX_TOC,toc))
	return which;
    if ((fileInfo.present&need)!=need) {
       _XkbLibError(_XkbErrIllegalContents,"XkmReadFile",
       						need&(~fileInfo.present));
       return which;
    }
    result->type= fileInfo.type;
    if (result->xkb==NULL)
	result->xkb= XkbAllocKeyboard();
    for (i=0;i<fileInfo.num_toc;i++) {
#ifdef SEEK_SET
	fseek(file,toc[i].offset,SEEK_SET);
#else
	fseek(file,toc[i].offset,0);
#endif
	tmp= fread(&tmpTOC,SIZEOF(xkmSectionInfo),1,file);
	nRead= tmp*SIZEOF(xkmSectionInfo);
	if ((tmpTOC.type!=toc[i].type)||(tmpTOC.format!=toc[i].format)||
	    (tmpTOC.size!=toc[i].size)||(tmpTOC.offset!=toc[i].offset)) {
	    return which;
	}
	if ((which&(1<<tmpTOC.type))==0) {
	    continue;
	}
	switch (tmpTOC.type) {
	    case XkmVirtualModsIndex:
		tmp= ReadXkmVirtualMods(file,result,NULL);
		break;
	    case XkmTypesIndex:
		tmp= ReadXkmKeyTypes(file,result,NULL);
		break;
	    case XkmCompatMapIndex:
		tmp= ReadXkmCompatMap(file,result,NULL);
		break;
	    case XkmKeyNamesIndex:
		tmp= ReadXkmKeycodes(file,result,NULL);
		break;
	    case XkmIndicatorsIndex:
		tmp= ReadXkmIndicators(file,result,NULL);
		break;
	    case XkmSymbolsIndex:
		tmp= ReadXkmSymbols(file,result);
		break;
	    case XkmGeometryIndex:
		tmp= ReadXkmGeometry(file,result);
		break;
	    default:
		_XkbLibError(_XkbErrBadImplementation,
				XkbConfigText(tmpTOC.type,XkbMessage),0);
		tmp= 0;
		break;
	}
	if (tmp>0) {
	    nRead+= tmp;
	    which&= ~(1<<toc[i].type);
	    result->defined|= (1<<toc[i].type);
	}
	if (nRead!=tmpTOC.size) {
	    _XkbLibError(_XkbErrBadLength,XkbConfigText(tmpTOC.type,XkbMessage),
	    						nRead-tmpTOC.size);
	}
    }
    return which;
}