/* $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. ********************************************************/ #define NEED_REPLIES #define NEED_EVENTS #define NEED_MAP_READERS #include "Xlibint.h" #include #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;iname) { _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;iflags= 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; }