universe@398: /* universe@398: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. universe@398: * universe@398: * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. universe@398: * universe@398: * Redistribution and use in source and binary forms, with or without universe@398: * modification, are permitted provided that the following conditions are met: universe@398: * universe@398: * 1. Redistributions of source code must retain the above copyright universe@398: * notice, this list of conditions and the following disclaimer. universe@398: * universe@398: * 2. Redistributions in binary form must reproduce the above copyright universe@398: * notice, this list of conditions and the following disclaimer in the universe@398: * documentation and/or other materials provided with the distribution. universe@398: * universe@398: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" universe@398: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE universe@398: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE universe@398: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE universe@398: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR universe@398: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF universe@398: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS universe@398: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN universe@398: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) universe@398: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE universe@398: * POSSIBILITY OF SUCH DAMAGE. universe@398: */ universe@398: universe@398: #ifndef UCX_LINKED_LIST_H universe@398: #define UCX_LINKED_LIST_H universe@398: universe@400: #include universe@398: #include "list.h" universe@398: universe@415: #ifdef __cplusplus universe@415: extern "C" { universe@415: #endif universe@415: universe@438: /** universe@438: * Finds the node at a certain index. universe@438: * universe@438: * This function can be used to start at an arbitrary position within the list. universe@438: * If the search index is large than the start index, \p loc_advance must denote universe@438: * the location of some sort of \c next pointer (i.e. a pointer to the next node). universe@438: * But it is also possible that the search index is smaller than the start index universe@438: * (e.g. in cases where traversing a list backwards is faster) in which case universe@438: * \p loc_advance must denote the location of some sort of \c prev pointer universe@438: * (i.e. a pointer to the previous node). universe@438: * universe@438: * @param start a pointer to the start node universe@438: * @param start_index the start index universe@438: * @param loc_advance the location of the pointer to advance universe@438: * @param index the search index universe@438: * @return the node found at the specified index universe@438: */ universe@438: void *cx_linked_list_at(void *start, size_t start_index, ptrdiff_t loc_advance, size_t index); universe@438: universe@400: void *cx_linked_list_last(void **begin, void **end, ptrdiff_t loc_next); universe@398: universe@406: int cx_linked_list_add(void **begin, void **end, ptrdiff_t loc_prev, ptrdiff_t loc_next, void *new_node); universe@398: universe@398: extern cx_list_class cx_linked_list_class; universe@398: universe@406: CxList cxLinkedListCreate(CxAllocator allocator, CxListComparator comparator, size_t item_size); universe@406: universe@409: void cxLinkedListDestroy(CxList list); universe@409: universe@406: size_t cxLinkedListRecalculateSize(CxList list); universe@406: universe@415: #ifdef __cplusplus universe@415: } /* extern "C" */ universe@415: #endif universe@415: universe@398: #endif /* UCX_LINKED_LIST_H */