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Diffstat (limited to 'libX11/src/xkb/XKBList.c')
-rw-r--r--libX11/src/xkb/XKBList.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/libX11/src/xkb/XKBList.c b/libX11/src/xkb/XKBList.c
new file mode 100644
index 000000000..2f4a53490
--- /dev/null
+++ b/libX11/src/xkb/XKBList.c
@@ -0,0 +1,251 @@
+/* $Xorg: XKBList.c,v 1.3 2000/08/17 19:45:02 cpqbld Exp $ */
+/************************************************************
+Copyright (c) 1995 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.
+
+********************************************************/
+/* $XFree86$ */
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#define NEED_MAP_READERS
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <X11/extensions/XKBproto.h>
+#include "XKBlibint.h"
+
+/***====================================================================***/
+
+static void
+_FreeComponentNames(int num,XkbComponentNamePtr names)
+{
+int i;
+XkbComponentNamePtr tmp;
+
+ if ((num<1)||(names==NULL))
+ return;
+ for (i=0,tmp=names;i<num;i++,tmp++) {
+ if (tmp->name) {
+ _XkbFree(tmp->name);
+ tmp->name= NULL;
+ }
+ }
+ _XkbFree(names);
+ return;
+}
+
+/***====================================================================***/
+
+static XkbComponentNamePtr
+_ReadListing(XkbReadBufferPtr buf,int count,Status *status_rtrn)
+{
+XkbComponentNamePtr first,this;
+register int i;
+CARD16 * flags;
+int slen,wlen;
+char * str;
+
+ if (count<1)
+ return NULL;
+ first= _XkbTypedCalloc(count,XkbComponentNameRec);
+ if (!first)
+ return NULL;
+ for (this=first,i=0;i<count;i++,this++) {
+ flags= (CARD16 *)_XkbGetReadBufferPtr(buf,2*sizeof(CARD16));
+ if (!flags)
+ goto BAILOUT;
+ this->flags= flags[0];
+ slen= flags[1];
+ wlen= ((slen+1)/2)*2; /* pad to 2 byte boundary */
+ this->name= _XkbTypedCalloc(slen+1,char);
+ if (!this->name)
+ goto BAILOUT;
+ str= (char *)_XkbGetReadBufferPtr(buf,wlen);
+ memcpy(this->name,str,slen);
+ }
+ return first;
+BAILOUT:
+ *status_rtrn= BadAlloc;
+ _FreeComponentNames(i,first);
+ return NULL;
+}
+
+/***====================================================================***/
+
+XkbComponentListPtr
+XkbListComponents( Display * dpy,
+ unsigned deviceSpec,
+ XkbComponentNamesPtr ptrns,
+ int * max_inout)
+{
+register xkbListComponentsReq* req;
+xkbListComponentsReply rep;
+XkbInfoPtr xkbi;
+XkbComponentListPtr list;
+XkbReadBufferRec buf;
+int left;
+char * str;
+int extraLen,len,mapLen,codesLen,typesLen,compatLen,symsLen,geomLen;
+
+ if ( (dpy==NULL) || (dpy->flags & XlibDisplayNoXkb) ||
+ (!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)) ||
+ (ptrns==NULL) || (max_inout==NULL))
+ return NULL;
+
+ xkbi= dpy->xkb_info;
+ LockDisplay(dpy);
+ GetReq(kbListComponents, req);
+ req->reqType = xkbi->codes->major_opcode;
+ req->xkbReqType = X_kbListComponents;
+ req->deviceSpec = deviceSpec;
+ req->maxNames = *max_inout;
+
+ mapLen= codesLen= typesLen= compatLen= symsLen= geomLen= 0;
+ if (ptrns->keymap)
+ mapLen= (int)strlen(ptrns->keymap);
+ if (ptrns->keycodes)
+ codesLen= (int)strlen(ptrns->keycodes);
+ if (ptrns->types)
+ typesLen= (int)strlen(ptrns->types);
+ if (ptrns->compat)
+ compatLen= (int)strlen(ptrns->compat);
+ if (ptrns->symbols)
+ symsLen= (int)strlen(ptrns->symbols);
+ if (ptrns->geometry)
+ geomLen= (int)strlen(ptrns->geometry);
+ if (mapLen>255) mapLen= 255;
+ if (codesLen>255) codesLen= 255;
+ if (typesLen>255) typesLen= 255;
+ if (compatLen>255) compatLen= 255;
+ if (symsLen>255) symsLen= 255;
+ if (geomLen>255) geomLen= 255;
+
+ len= mapLen+codesLen+typesLen+compatLen+symsLen+geomLen+6;
+ len= XkbPaddedSize(len);
+ req->length+= len/4;
+ BufAlloc(char *,str,len);
+ *str++= mapLen;
+ if (mapLen>0) {
+ memcpy(str,ptrns->keymap,mapLen);
+ str+= mapLen;
+ }
+ *str++= codesLen;
+ if (codesLen>0) {
+ memcpy(str,ptrns->keycodes,codesLen);
+ str+= codesLen;
+ }
+ *str++= typesLen;
+ if (typesLen>0) {
+ memcpy(str,ptrns->types,typesLen);
+ str+= typesLen;
+ }
+ *str++= compatLen;
+ if (compatLen>0) {
+ memcpy(str,ptrns->compat,compatLen);
+ str+= compatLen;
+ }
+ *str++= symsLen;
+ if (symsLen>0) {
+ memcpy(str,ptrns->symbols,symsLen);
+ str+= symsLen;
+ }
+ *str++= geomLen;
+ if (geomLen>0) {
+ memcpy(str,ptrns->geometry,geomLen);
+ str+= geomLen;
+ }
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse))
+ goto BAILOUT;
+ extraLen= (int)rep.length*4;
+ *max_inout= rep.extra;
+ if (extraLen==0) { /* no matches, but we don't want to report a failure */
+ list= _XkbTypedCalloc(1,XkbComponentListRec);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return list;
+ }
+ if (_XkbInitReadBuffer(dpy,&buf,extraLen)) {
+ Status status;
+
+ status= Success;
+ list= _XkbTypedCalloc(1,XkbComponentListRec);
+ if (!list) {
+ _XkbFreeReadBuffer(&buf);
+ goto BAILOUT;
+ }
+ list->num_keymaps= rep.nKeymaps;
+ list->num_keycodes= rep.nKeycodes;
+ list->num_types= rep.nTypes;
+ list->num_compat= rep.nCompatMaps;
+ list->num_symbols= rep.nSymbols;
+ list->num_geometry= rep.nGeometries;
+ if ((status==Success)&&(list->num_keymaps>0))
+ list->keymaps= _ReadListing(&buf,list->num_keymaps,&status);
+ if ((status==Success)&&(list->num_keycodes>0))
+ list->keycodes= _ReadListing(&buf,list->num_keycodes,&status);
+ if ((status==Success)&&(list->num_types>0))
+ list->types= _ReadListing(&buf,list->num_types,&status);
+ if ((status==Success)&&(list->num_compat>0))
+ list->compat= _ReadListing(&buf,list->num_compat,&status);
+ if ((status==Success)&&(list->num_symbols>0))
+ list->symbols= _ReadListing(&buf,list->num_symbols,&status);
+ if ((status==Success)&&(list->num_geometry>0))
+ list->geometry= _ReadListing(&buf,list->num_geometry,&status);
+ left= _XkbFreeReadBuffer(&buf);
+ if ((status!=Success)||(buf.error)||(left>2)) {
+ XkbFreeComponentList(list);
+ goto BAILOUT;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return list;
+ }
+BAILOUT:
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return NULL;
+}
+
+void
+XkbFreeComponentList(XkbComponentListPtr list)
+{
+ if (list) {
+ if (list->keymaps)
+ _FreeComponentNames(list->num_keymaps,list->keymaps);
+ if (list->keycodes)
+ _FreeComponentNames(list->num_keycodes,list->keycodes);
+ if (list->types)
+ _FreeComponentNames(list->num_types,list->types);
+ if (list->compat)
+ _FreeComponentNames(list->num_compat,list->compat);
+ if (list->symbols)
+ _FreeComponentNames(list->num_symbols,list->symbols);
+ if (list->geometry)
+ _FreeComponentNames(list->num_geometry,list->geometry);
+ bzero((char *)list,sizeof(XkbComponentListRec));
+ _XkbFree(list);
+ }
+ return;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 13:47:41 +0000