diff options
Diffstat (limited to 'libX11/src/xkb/XKBList.c')
-rw-r--r-- | libX11/src/xkb/XKBList.c | 333 |
1 files changed, 170 insertions, 163 deletions
diff --git a/libX11/src/xkb/XKBList.c b/libX11/src/xkb/XKBList.c index 8f245f245..55a37b806 100644 --- a/libX11/src/xkb/XKBList.c +++ b/libX11/src/xkb/XKBList.c @@ -35,18 +35,18 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE. /***====================================================================***/ static void -_FreeComponentNames(int num,XkbComponentNamePtr names) +_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; - } + 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; @@ -55,172 +55,179 @@ XkbComponentNamePtr tmp; /***====================================================================***/ static XkbComponentNamePtr -_ReadListing(XkbReadBufferPtr buf,int count,Status *status_rtrn) +_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); + 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); - if (!str) - goto BAILOUT; - memcpy(this->name,str,slen); + 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); + if (!str) + goto BAILOUT; + memcpy(this->name, str, slen); } return first; -BAILOUT: - *status_rtrn= BadAlloc; - _FreeComponentNames(i,first); + BAILOUT: + *status_rtrn = BadAlloc; + _FreeComponentNames(i, first); return NULL; } /***====================================================================***/ XkbComponentListPtr -XkbListComponents( Display * dpy, - unsigned deviceSpec, - XkbComponentNamesPtr ptrns, - int * max_inout) +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; + 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; + req->reqType = xkbi->codes->major_opcode; + req->xkbReqType = X_kbListComponents; + req->deviceSpec = deviceSpec; + req->maxNames = *max_inout; - mapLen= codesLen= typesLen= compatLen= symsLen= geomLen= 0; + mapLen = codesLen = typesLen = compatLen = symsLen = geomLen = 0; if (ptrns->keymap) - mapLen= (int)strlen(ptrns->keymap); + mapLen = (int) strlen(ptrns->keymap); if (ptrns->keycodes) - codesLen= (int)strlen(ptrns->keycodes); + codesLen = (int) strlen(ptrns->keycodes); if (ptrns->types) - typesLen= (int)strlen(ptrns->types); + typesLen = (int) strlen(ptrns->types); if (ptrns->compat) - compatLen= (int)strlen(ptrns->compat); + compatLen = (int) strlen(ptrns->compat); if (ptrns->symbols) - symsLen= (int)strlen(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; + 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++ = codesLen; + if (codesLen > 0) { + memcpy(str, ptrns->keycodes, codesLen); + str += codesLen; } - *str++= typesLen; - if (typesLen>0) { - memcpy(str,ptrns->types,typesLen); - str+= typesLen; + *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++ = compatLen; + if (compatLen > 0) { + memcpy(str, ptrns->compat, compatLen); + str += compatLen; } - *str++= symsLen; - if (symsLen>0) { - memcpy(str,ptrns->symbols,symsLen); - str+= symsLen; + *str++ = symsLen; + if (symsLen > 0) { + memcpy(str, ptrns->symbols, symsLen); + str += symsLen; } - *str++= geomLen; - if (geomLen>0) { - memcpy(str,ptrns->geometry,geomLen); - str+= geomLen; + *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 (!_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; + if (_XkbInitReadBuffer(dpy, &buf, extraLen)) { + 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: + BAILOUT: UnlockDisplay(dpy); SyncHandle(); return NULL; @@ -230,20 +237,20 @@ 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); + 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; } |