mirror of https://gitee.com/bigwinds/arangodb
914 lines
30 KiB
C
914 lines
30 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief associative multi array implementation
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Martin Schoenert
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/// @author Copyright 2006-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "associative-multi.h"
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// -----------------------------------------------------------------------------
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// --SECTION-- ASSOCIATIVE ARRAY
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Collections
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief adds a new element
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////////////////////////////////////////////////////////////////////////////////
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static void AddNewElement(TRI_multi_array_t* array, void* element) {
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uint64_t hash;
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uint64_t i;
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// ...........................................................................
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// compute the hash
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// ...........................................................................
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hash = array->hashElement(array, element);
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// ...........................................................................
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// search the table
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// ...........................................................................
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i = hash % array->_nrAlloc;
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesR++;
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}
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// ...........................................................................
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// add a new element to the associative array
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// ...........................................................................
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memcpy(array->_table + i * array->_elementSize, element, array->_elementSize);
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array->_nrUsed++;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief resizes the array
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////////////////////////////////////////////////////////////////////////////////
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static void ResizeMultiArray (TRI_multi_array_t* array) {
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char* oldTable;
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uint64_t oldAlloc;
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uint64_t j;
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oldTable = array->_table;
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oldAlloc = array->_nrAlloc;
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array->_nrAlloc = 2 * array->_nrAlloc + 1;
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array->_nrUsed = 0;
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array->_nrResizes++;
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array->_table = TRI_Allocate(array->_nrAlloc * array->_elementSize);
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for (j = 0; j < array->_nrAlloc; j++) {
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array->clearElement(array, array->_table + j * array->_elementSize);
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}
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for (j = 0; j < oldAlloc; j++) {
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if (! array->isEmptyElement(array, oldTable + j * array->_elementSize)) {
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AddNewElement(array, oldTable + j * array->_elementSize);
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}
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}
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TRI_Free(oldTable);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Collections
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief initialises an array
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////////////////////////////////////////////////////////////////////////////////
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void TRI_InitMultiArray(TRI_multi_array_t* array,
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size_t elementSize,
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uint64_t (*hashKey) (TRI_multi_array_t*, void*),
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uint64_t (*hashElement) (TRI_multi_array_t*, void*),
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void (*clearElement) (TRI_multi_array_t*, void*),
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bool (*isEmptyElement) (TRI_multi_array_t*, void*),
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bool (*isEqualKeyElement) (TRI_multi_array_t*, void*, void*),
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bool (*isEqualElementElement) (TRI_multi_array_t*, void*, void*)) {
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char* p;
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char* e;
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array->hashKey = hashKey;
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array->hashElement = hashElement;
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array->clearElement = clearElement;
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array->isEmptyElement = isEmptyElement;
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array->isEqualKeyElement = isEqualKeyElement;
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array->isEqualElementElement = isEqualElementElement;
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array->_elementSize = elementSize;
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array->_nrAlloc = 10;
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array->_table = TRI_Allocate(array->_elementSize * array->_nrAlloc);
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p = array->_table;
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e = p + array->_elementSize * array->_nrAlloc;
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for (; p < e; p += array->_elementSize) {
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array->clearElement(array, p);
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}
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array->_nrUsed = 0;
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array->_nrFinds = 0;
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array->_nrAdds = 0;
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array->_nrRems = 0;
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array->_nrResizes = 0;
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array->_nrProbesF = 0;
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array->_nrProbesA = 0;
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array->_nrProbesD = 0;
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array->_nrProbesR = 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destroys an array, but does not free the pointer
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////////////////////////////////////////////////////////////////////////////////
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void TRI_DestroyMultiArray (TRI_multi_array_t* array) {
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TRI_Free(array->_table);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destroys an array and frees the pointer
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////////////////////////////////////////////////////////////////////////////////
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void TRI_FreeMultiArray (TRI_multi_array_t* array) {
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TRI_DestroyMultiArray(array);
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TRI_Free(array);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Collections
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief lookups an element given a key
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////////////////////////////////////////////////////////////////////////////////
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TRI_vector_pointer_t TRI_LookupByKeyMultiArray (TRI_multi_array_t* array, void* key) {
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TRI_vector_pointer_t result;
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uint64_t hash;
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uint64_t i;
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// ...........................................................................
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// initialise the vector which will hold the result if any
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// ...........................................................................
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TRI_InitVectorPointer(&result);
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// ...........................................................................
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// compute the hash
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// ...........................................................................
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hash = array->hashKey(array, key);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrFinds++;
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// ...........................................................................
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// search the table
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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if (array->isEqualKeyElement(array, key, array->_table + i * array->_elementSize)) {
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TRI_PushBackVectorPointer(&result, array->_table + i * array->_elementSize);
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}
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else {
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array->_nrProbesF++;
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}
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i = (i + 1) % array->_nrAlloc;
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}
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// ...........................................................................
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// return whatever we found -- which could be an empty vector list if nothing
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// matches.
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// ...........................................................................
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return result;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief lookups an element given an element
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////////////////////////////////////////////////////////////////////////////////
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TRI_vector_pointer_t TRI_LookupByElementMultiArray (TRI_multi_array_t* array, void* element) {
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TRI_vector_pointer_t result;
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uint64_t hash;
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uint64_t i;
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// ...........................................................................
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// initialise the vector which will hold the result if any
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// ...........................................................................
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TRI_InitVectorPointer(&result);
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// ...........................................................................
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// compute the hash
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// ...........................................................................
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hash = array->hashElement(array, element);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrFinds++;
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// ...........................................................................
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// search the table
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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if (array->isEqualElementElement(array, element, array->_table + i * array->_elementSize)) {
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TRI_PushBackVectorPointer(&result, array->_table + i * array->_elementSize);
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}
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else {
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array->_nrProbesF++;
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}
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i = (i + 1) % array->_nrAlloc;
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}
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// ...........................................................................
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// return whatever we found -- which could be an empty vector list if nothing
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// matches. Note that we allow multiple elements (compare with pointer impl).
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// ...........................................................................
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return result;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief adds an element to the array
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_InsertElementMultiArray (TRI_multi_array_t* array, void* element, bool overwrite) {
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uint64_t hash;
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uint64_t i;
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// ...........................................................................
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// compute the hash
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// ...........................................................................
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hash = array->hashElement(array, element);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrAdds++;
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// ...........................................................................
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// search the table
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)
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&& ! array->isEqualElementElement(array, element, array->_table + i * array->_elementSize)) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesA++;
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}
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// ...........................................................................
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// If we found an element, return. While we allow duplicate entries in the hash
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// table, we do not allow duplicate elements. Elements would refer to the
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// (for example) an actual row in memory. This is different from the
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// TRI_InsertElementMultiArray function below where we only have keys to
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// differentiate between elements.
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// ...........................................................................
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if (! array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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if (overwrite) {
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memcpy(array->_table + i * array->_elementSize, element, array->_elementSize);
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}
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return false;
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}
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// ...........................................................................
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// add a new element to the associative array
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// ...........................................................................
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memcpy(array->_table + i * array->_elementSize, element, array->_elementSize);
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array->_nrUsed++;
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// ...........................................................................
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// if we were adding and the table is more than half full, extend it
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// ...........................................................................
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if (array->_nrAlloc < 2 * array->_nrUsed) {
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ResizeMultiArray(array);
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief adds an key/element to the array
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_InsertKeyMultiArray (TRI_multi_array_t* array, void* key, void* element, bool overwrite) {
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uint64_t hash;
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uint64_t i;
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// ...........................................................................
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// compute the hash
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// ...........................................................................
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hash = array->hashKey(array, key);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrAdds++;
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// ...........................................................................
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// search the table
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesA++;
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}
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// ...........................................................................
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// We do not look for an element (as opposed to the function above). So whether
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// or not there exists a duplicate we do not care.
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// ...........................................................................
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// ...........................................................................
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// add a new element to the associative array
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// ...........................................................................
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memcpy(array->_table + i * array->_elementSize, element, array->_elementSize);
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array->_nrUsed++;
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// ...........................................................................
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// if we were adding and the table is more than half full, extend it
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// ...........................................................................
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if (array->_nrAlloc < 2 * array->_nrUsed) {
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ResizeMultiArray(array);
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief removes an element from the array
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_RemoveElementMultiArray (TRI_multi_array_t* array, void* element, void* old) {
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uint64_t hash;
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uint64_t i;
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uint64_t k;
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// ...........................................................................
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// Obtain the hash
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// ...........................................................................
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hash = array->hashElement(array, element);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrRems++;
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// ...........................................................................
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// search the table
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)
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&& ! array->isEqualElementElement(array, element, array->_table + i * array->_elementSize)) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesD++;
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}
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// ...........................................................................
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// if we did not find such an item return false
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// ...........................................................................
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if (array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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if (old != NULL) {
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memset(old, 0, array->_elementSize);
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}
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return false;
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}
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// ...........................................................................
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// remove item
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// ...........................................................................
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if (old != NULL) {
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memcpy(old, array->_table + i * array->_elementSize, array->_elementSize);
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}
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array->clearElement(array, array->_table + i * array->_elementSize);
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array->_nrUsed--;
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// ...........................................................................
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// and now check the following places for items to move here
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// ...........................................................................
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k = (i + 1) % array->_nrAlloc;
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while (! array->isEmptyElement(array, array->_table + k * array->_elementSize)) {
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uint64_t j = array->hashElement(array, array->_table + k * array->_elementSize) % array->_nrAlloc;
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if ((i < k && !(i < j && j <= k)) || (k < i && !(i < j || j <= k))) {
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memcpy(array->_table + i * array->_elementSize, array->_table + k * array->_elementSize, array->_elementSize);
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array->clearElement(array, array->_table + k * array->_elementSize);
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i = k;
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}
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k = (k + 1) % array->_nrAlloc;
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief removes an key/element to the array
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_RemoveKeyMultiArray (TRI_multi_array_t* array, void* key, void* old) {
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uint64_t hash;
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uint64_t i;
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uint64_t k;
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// ...........................................................................
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// generate hash using key
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// ...........................................................................
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hash = array->hashKey(array, key);
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i = hash % array->_nrAlloc;
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// ...........................................................................
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// update statistics
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// ...........................................................................
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array->_nrRems++;
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// ...........................................................................
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// search the table -- we can only match keys
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// ...........................................................................
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while (! array->isEmptyElement(array, array->_table + i * array->_elementSize)
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&& ! array->isEqualKeyElement(array, key, array->_table + i * array->_elementSize)) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesD++;
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}
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// ...........................................................................
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// if we did not find such an item return false
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// ...........................................................................
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if (array->isEmptyElement(array, array->_table + i * array->_elementSize)) {
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if (old != NULL) {
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memset(old, 0, array->_elementSize);
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}
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return false;
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}
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// ...........................................................................
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// remove item
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// ...........................................................................
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if (old != NULL) {
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memcpy(old, array->_table + i * array->_elementSize, array->_elementSize);
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}
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array->clearElement(array, array->_table + i * array->_elementSize);
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array->_nrUsed--;
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// ...........................................................................
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// and now check the following places for items to move here
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// ...........................................................................
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k = (i + 1) % array->_nrAlloc;
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while (! array->isEmptyElement(array, array->_table + k * array->_elementSize)) {
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uint64_t j = array->hashElement(array, array->_table + k * array->_elementSize) % array->_nrAlloc;
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if ((i < k && !(i < j && j <= k)) || (k < i && !(i < j || j <= k))) {
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memcpy(array->_table + i * array->_elementSize, array->_table + k * array->_elementSize, array->_elementSize);
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array->clearElement(array, array->_table + k * array->_elementSize);
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i = k;
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}
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k = (k + 1) % array->_nrAlloc;
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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|
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// -----------------------------------------------------------------------------
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|
// --SECTION-- ASSOCIATIVE POINTERS
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|
// -----------------------------------------------------------------------------
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|
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// -----------------------------------------------------------------------------
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|
// --SECTION-- private functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Collections
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief adds a new element
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////////////////////////////////////////////////////////////////////////////////
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static void AddNewElementPointer (TRI_multi_pointer_t* array, void* element) {
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uint64_t hash;
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uint64_t i;
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// compute the hash
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hash = array->hashElement(array, element);
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// search the table
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i = hash % array->_nrAlloc;
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while (array->_table[i] != NULL) {
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i = (i + 1) % array->_nrAlloc;
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array->_nrProbesR++;
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}
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// add a new element to the associative array
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array->_table[i] = element;
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array->_nrUsed++;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief resizes the array
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////////////////////////////////////////////////////////////////////////////////
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static void ResizeMultiPointer (TRI_multi_pointer_t* array) {
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void** oldTable;
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uint64_t oldAlloc;
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uint64_t j;
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oldTable = array->_table;
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oldAlloc = array->_nrAlloc;
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array->_nrAlloc = 2 * array->_nrAlloc + 1;
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array->_nrUsed = 0;
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array->_nrResizes++;
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array->_table = TRI_Allocate(array->_nrAlloc * sizeof(void*));
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for (j = 0; j < array->_nrAlloc; j++) {
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array->_table[j] = 0;
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}
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for (j = 0; j < oldAlloc; j++) {
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if (oldTable[j] != NULL) {
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AddNewElementPointer(array, oldTable[j]);
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}
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}
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TRI_Free(oldTable);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @addtogroup Collections
|
|
/// @{
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|
////////////////////////////////////////////////////////////////////////////////
|
|
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////////////////////////////////////////////////////////////////////////////////
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/// @brief initialises an array
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////////////////////////////////////////////////////////////////////////////////
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void TRI_InitMultiPointer (TRI_multi_pointer_t* array,
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uint64_t (*hashKey) (TRI_multi_pointer_t*, void const*),
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uint64_t (*hashElement) (TRI_multi_pointer_t*, void const*),
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bool (*isEqualKeyElement) (TRI_multi_pointer_t*, void const*, void const*),
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bool (*isEqualElementElement) (TRI_multi_pointer_t*, void const*, void const*)) {
|
|
void** p;
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void** e;
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array->hashKey = hashKey;
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array->hashElement = hashElement;
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array->isEqualKeyElement = isEqualKeyElement;
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array->isEqualElementElement = isEqualElementElement;
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array->_nrAlloc = 10;
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array->_table = TRI_Allocate(sizeof(void*) * array->_nrAlloc);
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p = array->_table;
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e = p + array->_nrAlloc;
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for (; p < e; ++p) {
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*p = 0;
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|
}
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array->_nrUsed = 0;
|
|
array->_nrFinds = 0;
|
|
array->_nrAdds = 0;
|
|
array->_nrRems = 0;
|
|
array->_nrResizes = 0;
|
|
array->_nrProbesF = 0;
|
|
array->_nrProbesA = 0;
|
|
array->_nrProbesD = 0;
|
|
array->_nrProbesR = 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief destroys an array, but does not free the pointer
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void TRI_DestroyMultiPointer (TRI_multi_pointer_t* array) {
|
|
TRI_Free(array->_table);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief destroys an array and frees the pointer
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void TRI_FreeMultiPointer (TRI_multi_pointer_t* array) {
|
|
TRI_DestroyMultiPointer(array);
|
|
TRI_Free(array);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @}
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- public functions
|
|
// -----------------------------------------------------------------------------
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @addtogroup Collections
|
|
/// @{
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief lookups an element given a key
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
TRI_vector_pointer_t TRI_LookupByKeyMultiPointer (TRI_multi_pointer_t* array, void const* key) {
|
|
TRI_vector_pointer_t result;
|
|
uint64_t hash;
|
|
uint64_t i;
|
|
|
|
// initialises the result vector
|
|
TRI_InitVectorPointer(&result);
|
|
|
|
// compute the hash
|
|
hash = array->hashKey(array, key);
|
|
i = hash % array->_nrAlloc;
|
|
|
|
// update statistics
|
|
array->_nrFinds++;
|
|
|
|
// search the table
|
|
while (array->_table[i] != NULL) {
|
|
if (array->isEqualKeyElement(array, key, array->_table[i])) {
|
|
TRI_PushBackVectorPointer(&result, array->_table[i]);
|
|
}
|
|
else {
|
|
array->_nrProbesF++;
|
|
}
|
|
|
|
i = (i + 1) % array->_nrAlloc;
|
|
}
|
|
|
|
// return whatever we found
|
|
return result;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief lookups an element given an element
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void* TRI_LookupByElementMultiPointer (TRI_multi_pointer_t* array, void const* element) {
|
|
uint64_t hash;
|
|
uint64_t i;
|
|
|
|
// compute the hash
|
|
hash = array->hashElement(array, element);
|
|
i = hash % array->_nrAlloc;
|
|
|
|
// update statistics
|
|
array->_nrFinds++;
|
|
|
|
// search the table
|
|
while (array->_table[i] != NULL && ! array->isEqualElementElement(array, element, array->_table[i])) {
|
|
i = (i + 1) % array->_nrAlloc;
|
|
array->_nrProbesF++;
|
|
}
|
|
|
|
// return whatever we found
|
|
return array->_table[i];
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief adds an key/element to the array
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void* TRI_InsertElementMultiPointer (TRI_multi_pointer_t* array, void* element, bool overwrite) {
|
|
uint64_t hash;
|
|
uint64_t i;
|
|
void* old;
|
|
|
|
// compute the hash
|
|
hash = array->hashElement(array, element);
|
|
i = hash % array->_nrAlloc;
|
|
|
|
// update statistics
|
|
array->_nrAdds++;
|
|
|
|
// search the table
|
|
while (array->_table[i] != NULL && ! array->isEqualElementElement(array, element, array->_table[i])) {
|
|
i = (i + 1) % array->_nrAlloc;
|
|
array->_nrProbesA++;
|
|
}
|
|
|
|
old = array->_table[i];
|
|
|
|
// if we found an element, return
|
|
if (old != NULL) {
|
|
if (overwrite) {
|
|
array->_table[i] = element;
|
|
}
|
|
|
|
return old;
|
|
}
|
|
|
|
// add a new element to the associative array
|
|
array->_table[i] = element;
|
|
array->_nrUsed++;
|
|
|
|
// if we were adding and the table is more than half full, extend it
|
|
if (array->_nrAlloc < 2 * array->_nrUsed) {
|
|
ResizeMultiPointer(array);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief removes an element from the array
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void* TRI_RemoveElementMultiPointer (TRI_multi_pointer_t* array, void const* element) {
|
|
uint64_t hash;
|
|
uint64_t i;
|
|
uint64_t k;
|
|
void* old;
|
|
|
|
hash = array->hashElement(array, element);
|
|
i = hash % array->_nrAlloc;
|
|
|
|
// update statistics
|
|
array->_nrRems++;
|
|
|
|
// search the table
|
|
while (array->_table[i] != NULL && ! array->isEqualElementElement(array, element, array->_table[i])) {
|
|
i = (i + 1) % array->_nrAlloc;
|
|
array->_nrProbesD++;
|
|
}
|
|
|
|
// if we did not find such an item return 0
|
|
if (array->_table[i] == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
// remove item
|
|
old = array->_table[i];
|
|
array->_table[i] = NULL;
|
|
array->_nrUsed--;
|
|
|
|
// and now check the following places for items to move here
|
|
k = (i + 1) % array->_nrAlloc;
|
|
|
|
while (array->_table[k] != NULL) {
|
|
uint64_t j = array->hashElement(array, array->_table[k]) % array->_nrAlloc;
|
|
|
|
if ((i < k && !(i < j && j <= k)) || (k < i && !(i < j || j <= k))) {
|
|
array->_table[i] = array->_table[k];
|
|
array->_table[k] = NULL;
|
|
i = k;
|
|
}
|
|
|
|
k = (k + 1) % array->_nrAlloc;
|
|
}
|
|
|
|
// return success
|
|
return old;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @}
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Local Variables:
|
|
// mode: outline-minor
|
|
// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
|
|
// End:
|