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-rw-r--r--xorg-server/xkb/XKBAlloc.c337
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diff --git a/xorg-server/xkb/XKBAlloc.c b/xorg-server/xkb/XKBAlloc.c
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+/************************************************************
+Copyright (c) 1993 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.
+
+********************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdio.h>
+#include <X11/X.h>
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "inputstr.h"
+#include <xkbsrv.h>
+#include "xkbgeom.h"
+
+/***===================================================================***/
+
+/*ARGSUSED*/
+Status
+XkbAllocCompatMap(XkbDescPtr xkb,unsigned which,unsigned nSI)
+{
+XkbCompatMapPtr compat;
+XkbSymInterpretRec *prev_interpret;
+
+ if (!xkb)
+ return BadMatch;
+ if (xkb->compat) {
+ if (xkb->compat->size_si>=nSI)
+ return Success;
+ compat= xkb->compat;
+ compat->size_si= nSI;
+ if (compat->sym_interpret==NULL)
+ compat->num_si= 0;
+ prev_interpret = compat->sym_interpret;
+ compat->sym_interpret= _XkbTypedRealloc(compat->sym_interpret,
+ nSI,XkbSymInterpretRec);
+ if (compat->sym_interpret==NULL) {
+ _XkbFree(prev_interpret);
+ compat->size_si= compat->num_si= 0;
+ return BadAlloc;
+ }
+ if (compat->num_si!=0) {
+ _XkbClearElems(compat->sym_interpret,compat->num_si,
+ compat->size_si-1,XkbSymInterpretRec);
+ }
+ return Success;
+ }
+ compat= _XkbTypedCalloc(1,XkbCompatMapRec);
+ if (compat==NULL)
+ return BadAlloc;
+ if (nSI>0) {
+ compat->sym_interpret= _XkbTypedCalloc(nSI,XkbSymInterpretRec);
+ if (!compat->sym_interpret) {
+ _XkbFree(compat);
+ return BadAlloc;
+ }
+ }
+ compat->size_si= nSI;
+ compat->num_si= 0;
+ bzero((char *)&compat->groups[0],XkbNumKbdGroups*sizeof(XkbModsRec));
+ xkb->compat= compat;
+ return Success;
+}
+
+
+void
+XkbFreeCompatMap(XkbDescPtr xkb,unsigned which,Bool freeMap)
+{
+register XkbCompatMapPtr compat;
+
+ if ((xkb==NULL)||(xkb->compat==NULL))
+ return;
+ compat= xkb->compat;
+ if (freeMap)
+ which= XkbAllCompatMask;
+ if (which&XkbGroupCompatMask)
+ bzero((char *)&compat->groups[0],XkbNumKbdGroups*sizeof(XkbModsRec));
+ if (which&XkbSymInterpMask) {
+ if ((compat->sym_interpret)&&(compat->size_si>0))
+ _XkbFree(compat->sym_interpret);
+ compat->size_si= compat->num_si= 0;
+ compat->sym_interpret= NULL;
+ }
+ if (freeMap) {
+ _XkbFree(compat);
+ xkb->compat= NULL;
+ }
+ return;
+}
+
+/***===================================================================***/
+
+Status
+XkbAllocNames(XkbDescPtr xkb,unsigned which,int nTotalRG,int nTotalAliases)
+{
+XkbNamesPtr names;
+
+ if (xkb==NULL)
+ return BadMatch;
+ if (xkb->names==NULL) {
+ xkb->names = _XkbTypedCalloc(1,XkbNamesRec);
+ if (xkb->names==NULL)
+ return BadAlloc;
+ }
+ names= xkb->names;
+ if ((which&XkbKTLevelNamesMask)&&(xkb->map!=NULL)&&(xkb->map->types!=NULL)){
+ register int i;
+ XkbKeyTypePtr type;
+
+ type= xkb->map->types;
+ for (i=0;i<xkb->map->num_types;i++,type++) {
+ if (type->level_names==NULL) {
+ type->level_names= _XkbTypedCalloc(type->num_levels,Atom);
+ if (type->level_names==NULL)
+ return BadAlloc;
+ }
+ }
+ }
+ if ((which&XkbKeyNamesMask)&&(names->keys==NULL)) {
+ if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+ (!XkbIsLegalKeycode(xkb->max_key_code))||
+ (xkb->max_key_code<xkb->min_key_code))
+ return BadValue;
+ names->keys= _XkbTypedCalloc((xkb->max_key_code+1),XkbKeyNameRec);
+ if (names->keys==NULL)
+ return BadAlloc;
+ }
+ if ((which&XkbKeyAliasesMask)&&(nTotalAliases>0)) {
+ if (names->key_aliases==NULL) {
+ names->key_aliases= _XkbTypedCalloc(nTotalAliases,XkbKeyAliasRec);
+ }
+ else if (nTotalAliases>names->num_key_aliases) {
+ XkbKeyAliasRec *prev_aliases = names->key_aliases;
+
+ names->key_aliases= _XkbTypedRealloc(names->key_aliases,
+ nTotalAliases,XkbKeyAliasRec);
+ if (names->key_aliases!=NULL) {
+ _XkbClearElems(names->key_aliases,names->num_key_aliases,
+ nTotalAliases-1,XkbKeyAliasRec);
+ } else {
+ _XkbFree(prev_aliases);
+ }
+ }
+ if (names->key_aliases==NULL) {
+ names->num_key_aliases= 0;
+ return BadAlloc;
+ }
+ names->num_key_aliases= nTotalAliases;
+ }
+ if ((which&XkbRGNamesMask)&&(nTotalRG>0)) {
+ if (names->radio_groups==NULL) {
+ names->radio_groups= _XkbTypedCalloc(nTotalRG,Atom);
+ }
+ else if (nTotalRG>names->num_rg) {
+ Atom *prev_radio_groups = names->radio_groups;
+
+ names->radio_groups= _XkbTypedRealloc(names->radio_groups,nTotalRG,
+ Atom);
+ if (names->radio_groups!=NULL) {
+ _XkbClearElems(names->radio_groups,names->num_rg,nTotalRG-1,
+ Atom);
+ } else {
+ _XkbFree(prev_radio_groups);
+ }
+ }
+ if (names->radio_groups==NULL)
+ return BadAlloc;
+ names->num_rg= nTotalRG;
+ }
+ return Success;
+}
+
+void
+XkbFreeNames(XkbDescPtr xkb,unsigned which,Bool freeMap)
+{
+XkbNamesPtr names;
+
+ if ((xkb==NULL)||(xkb->names==NULL))
+ return;
+ names= xkb->names;
+ if (freeMap)
+ which= XkbAllNamesMask;
+ if (which&XkbKTLevelNamesMask) {
+ XkbClientMapPtr map= xkb->map;
+ if ((map!=NULL)&&(map->types!=NULL)) {
+ register int i;
+ register XkbKeyTypePtr type;
+ type= map->types;
+ for (i=0;i<map->num_types;i++,type++) {
+ if (type->level_names!=NULL) {
+ _XkbFree(type->level_names);
+ type->level_names= NULL;
+ }
+ }
+ }
+ }
+ if ((which&XkbKeyNamesMask)&&(names->keys!=NULL)) {
+ _XkbFree(names->keys);
+ names->keys= NULL;
+ names->num_keys= 0;
+ }
+ if ((which&XkbKeyAliasesMask)&&(names->key_aliases)){
+ _XkbFree(names->key_aliases);
+ names->key_aliases=NULL;
+ names->num_key_aliases=0;
+ }
+ if ((which&XkbRGNamesMask)&&(names->radio_groups)) {
+ _XkbFree(names->radio_groups);
+ names->radio_groups= NULL;
+ names->num_rg= 0;
+ }
+ if (freeMap) {
+ _XkbFree(names);
+ xkb->names= NULL;
+ }
+ return;
+}
+
+/***===================================================================***/
+
+/*ARGSUSED*/
+Status
+XkbAllocControls(XkbDescPtr xkb,unsigned which)
+{
+ if (xkb==NULL)
+ return BadMatch;
+
+ if (xkb->ctrls==NULL) {
+ xkb->ctrls= _XkbTypedCalloc(1,XkbControlsRec);
+ if (!xkb->ctrls)
+ return BadAlloc;
+ }
+ return Success;
+}
+
+/*ARGSUSED*/
+static void
+XkbFreeControls(XkbDescPtr xkb,unsigned which,Bool freeMap)
+{
+ if (freeMap && (xkb!=NULL) && (xkb->ctrls!=NULL)) {
+ _XkbFree(xkb->ctrls);
+ xkb->ctrls= NULL;
+ }
+ return;
+}
+
+/***===================================================================***/
+
+Status
+XkbAllocIndicatorMaps(XkbDescPtr xkb)
+{
+ if (xkb==NULL)
+ return BadMatch;
+ if (xkb->indicators==NULL) {
+ xkb->indicators= _XkbTypedCalloc(1,XkbIndicatorRec);
+ if (!xkb->indicators)
+ return BadAlloc;
+ }
+ return Success;
+}
+
+static void
+XkbFreeIndicatorMaps(XkbDescPtr xkb)
+{
+ if ((xkb!=NULL)&&(xkb->indicators!=NULL)) {
+ _XkbFree(xkb->indicators);
+ xkb->indicators= NULL;
+ }
+ return;
+}
+
+/***====================================================================***/
+
+XkbDescRec *
+XkbAllocKeyboard(void)
+{
+XkbDescRec *xkb;
+
+ xkb = _XkbTypedCalloc(1,XkbDescRec);
+ if (xkb)
+ xkb->device_spec= XkbUseCoreKbd;
+ return xkb;
+}
+
+void
+XkbFreeKeyboard(XkbDescPtr xkb,unsigned which,Bool freeAll)
+{
+ if (xkb==NULL)
+ return;
+ if (freeAll)
+ which= XkbAllComponentsMask;
+ if (which&XkbClientMapMask)
+ XkbFreeClientMap(xkb,XkbAllClientInfoMask,True);
+ if (which&XkbServerMapMask)
+ XkbFreeServerMap(xkb,XkbAllServerInfoMask,True);
+ if (which&XkbCompatMapMask)
+ XkbFreeCompatMap(xkb,XkbAllCompatMask,True);
+ if (which&XkbIndicatorMapMask)
+ XkbFreeIndicatorMaps(xkb);
+ if (which&XkbNamesMask)
+ XkbFreeNames(xkb,XkbAllNamesMask,True);
+ if ((which&XkbGeometryMask) && (xkb->geom!=NULL)) {
+ XkbFreeGeometry(xkb->geom,XkbGeomAllMask,True);
+ /* PERHAPS BONGHITS etc */
+ xkb->geom = NULL;
+ }
+ if (which&XkbControlsMask)
+ XkbFreeControls(xkb,XkbAllControlsMask,True);
+ if (freeAll)
+ _XkbFree(xkb);
+ return;
+}