static void DeleteHistoryObjs( ClientData clientData, Tcl_Interp *interp) { register HistoryObjs *histObjsPtr = clientData; TclDecrRefCount(histObjsPtr->historyObj); TclDecrRefCount(histObjsPtr->addObj); Tcl_Free(histObjsPtr); }
static int DecrRefsPostClassConstructor( ClientData data[], Tcl_Interp *interp, int result) { Tcl_Obj **invoke = data[0]; TclDecrRefCount(invoke[0]); TclDecrRefCount(invoke[1]); TclDecrRefCount(invoke[2]); ckfree(invoke); return result; }
void TclReleaseLiteral( Tcl_Interp *interp, /* Interpreter for which objPtr was created to * hold a literal. */ register Tcl_Obj *objPtr) /* Points to a literal object that was * previously created by a call to * TclRegisterLiteral. */ { Interp *iPtr = (Interp *) interp; LiteralTable *globalTablePtr = &(iPtr->literalTable); register LiteralEntry *entryPtr, *prevPtr; char *bytes; int length, index; bytes = TclGetStringFromObj(objPtr, &length); index = (HashString(bytes, length) & globalTablePtr->mask); /* * Check to see if the object is in the global literal table and remove * this reference. The object may not be in the table if it is a hidden * local literal. */ for (prevPtr=NULL, entryPtr=globalTablePtr->buckets[index]; entryPtr!=NULL ; prevPtr=entryPtr, entryPtr=entryPtr->nextPtr) { if (entryPtr->objPtr == objPtr) { entryPtr->refCount--; /* * If the literal is no longer being used by any ByteCode, delete * the entry then remove the reference corresponding to the global * literal table entry (decrement the ref count of the object). */ if (entryPtr->refCount == 0) { if (prevPtr == NULL) { globalTablePtr->buckets[index] = entryPtr->nextPtr; } else { prevPtr->nextPtr = entryPtr->nextPtr; } ckfree((char *) entryPtr); globalTablePtr->numEntries--; TclDecrRefCount(objPtr); #ifdef TCL_COMPILE_STATS iPtr->stats.currentLitStringBytes -= (double) (length + 1); #endif /*TCL_COMPILE_STATS*/ } break; } } /* * Remove the reference corresponding to the local literal table entry. */ Tcl_DecrRefCount(objPtr); }
static void FreeRegexp( TclRegexp *regexpPtr) /* Compiled regular expression to free. */ { TclReFree(®expPtr->re); if (regexpPtr->globObjPtr) { TclDecrRefCount(regexpPtr->globObjPtr); } if (regexpPtr->matches) { ckfree(regexpPtr->matches); } ckfree(regexpPtr); }
void TclDeleteLiteralTable( Tcl_Interp *interp, /* Interpreter containing shared literals * referenced by the table to delete. */ LiteralTable *tablePtr) /* Points to the literal table to delete. */ { LiteralEntry *entryPtr, *nextPtr; Tcl_Obj *objPtr; int i; /* * Release remaining literals in the table. Note that releasing a literal * might release other literals, modifying the table, so we restart the * search from the bucket chain we last found an entry. */ #ifdef TCL_COMPILE_DEBUG TclVerifyGlobalLiteralTable((Interp *) interp); #endif /*TCL_COMPILE_DEBUG*/ /* * We used to call TclReleaseLiteral for each literal in the table, which * is rather inefficient as it causes one lookup-by-hash for each * reference to the literal. We now rely at interp-deletion on each * bytecode object to release its references to the literal Tcl_Obj * without requiring that it updates the global table itself, and deal * here only with the table. */ for (i=0 ; i<tablePtr->numBuckets ; i++) { entryPtr = tablePtr->buckets[i]; while (entryPtr != NULL) { objPtr = entryPtr->objPtr; TclDecrRefCount(objPtr); nextPtr = entryPtr->nextPtr; ckfree((char *) entryPtr); entryPtr = nextPtr; } } /* * Free up the table's bucket array if it was dynamically allocated. */ if (tablePtr->buckets != tablePtr->staticBuckets) { ckfree((char *) tablePtr->buckets); } }
int TclFileTemporaryCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Tcl_Obj *nameVarObj = NULL; /* Variable to store the name of the temporary * file in. */ Tcl_Obj *nameObj = NULL; /* Object that will contain the filename. */ Tcl_Channel chan; /* The channel opened (RDWR) on the temporary * file, or NULL if there's an error. */ Tcl_Obj *tempDirObj = NULL, *tempBaseObj = NULL, *tempExtObj = NULL; /* Pieces of template. Each piece is NULL if * it is omitted. The platform temporary file * engine might ignore some pieces. */ if (objc < 1 || objc > 3) { Tcl_WrongNumArgs(interp, 1, objv, "?nameVar? ?template?"); return TCL_ERROR; } if (objc > 1) { nameVarObj = objv[1]; TclNewObj(nameObj); } if (objc > 2) { int length; Tcl_Obj *templateObj = objv[2]; const char *string = TclGetStringFromObj(templateObj, &length); /* * Treat an empty string as if it wasn't there. */ if (length == 0) { goto makeTemporary; } /* * The template only gives a directory if there is a directory * separator in it. */ if (strchr(string, '/') != NULL || (tclPlatform == TCL_PLATFORM_WINDOWS && strchr(string, '\\') != NULL)) { tempDirObj = TclPathPart(interp, templateObj, TCL_PATH_DIRNAME); /* * Only allow creation of temporary files in the native filesystem * since they are frequently used for integration with external * tools or system libraries. [Bug 2388866] */ if (tempDirObj != NULL && Tcl_FSGetFileSystemForPath(tempDirObj) != &tclNativeFilesystem) { TclDecrRefCount(tempDirObj); tempDirObj = NULL; } } /* * The template only gives the filename if the last character isn't a * directory separator. */ if (string[length-1] != '/' && (tclPlatform != TCL_PLATFORM_WINDOWS || string[length-1] != '\\')) { Tcl_Obj *tailObj = TclPathPart(interp, templateObj, TCL_PATH_TAIL); if (tailObj != NULL) { tempBaseObj = TclPathPart(interp, tailObj, TCL_PATH_ROOT); tempExtObj = TclPathPart(interp, tailObj, TCL_PATH_EXTENSION); TclDecrRefCount(tailObj); } } } /* * Convert empty parts of the template into unspecified parts. */ if (tempDirObj && !TclGetString(tempDirObj)[0]) { TclDecrRefCount(tempDirObj); tempDirObj = NULL; } if (tempBaseObj && !TclGetString(tempBaseObj)[0]) { TclDecrRefCount(tempBaseObj); tempBaseObj = NULL; } if (tempExtObj && !TclGetString(tempExtObj)[0]) { TclDecrRefCount(tempExtObj); tempExtObj = NULL; } /* * Create and open the temporary file. */ makeTemporary: chan = TclpOpenTemporaryFile(tempDirObj,tempBaseObj,tempExtObj, nameObj); /* * If we created pieces of template, get rid of them now. */ if (tempDirObj) { TclDecrRefCount(tempDirObj); } if (tempBaseObj) { TclDecrRefCount(tempBaseObj); } if (tempExtObj) { TclDecrRefCount(tempExtObj); } /* * Deal with results. */ if (chan == NULL) { if (nameVarObj) { TclDecrRefCount(nameObj); } Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't create temporary file: %s", Tcl_PosixError(interp))); return TCL_ERROR; } Tcl_RegisterChannel(interp, chan); if (nameVarObj != NULL) { if (Tcl_ObjSetVar2(interp, nameVarObj, NULL, nameObj, TCL_LEAVE_ERR_MSG) == NULL) { Tcl_UnregisterChannel(interp, chan); return TCL_ERROR; } } Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetChannelName(chan), -1)); return TCL_OK; }