65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
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/* BSD 3-Clause License
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*
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* Copyright © 2008-2022, Jice and the libtcod contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TCOD_HEAPQ_H
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#define TCOD_HEAPQ_H
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#include <stdbool.h>
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#include <stddef.h>
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#include "config.h"
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struct TCOD_Heap {
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unsigned char* __restrict heap;
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int size; // The current number of elements in heap.
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int capacity; // The current capacity of heap.
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size_t node_size; // The full size of each node in bytes.
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size_t data_size; // The size of a nodes user data section in bytes.
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size_t data_offset; // The offset of the user data section.
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int priority_type; // Should be -4.
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};
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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TCOD_PUBLIC int TCOD_heap_init(struct TCOD_Heap* heap, size_t data_size);
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TCOD_PUBLIC void TCOD_heap_uninit(struct TCOD_Heap* heap);
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TCOD_PUBLIC void TCOD_heap_clear(struct TCOD_Heap* heap);
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TCOD_PUBLIC int TCOD_minheap_push(struct TCOD_Heap* __restrict minheap, int priority, const void* __restrict data);
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TCOD_PUBLIC void TCOD_minheap_pop(struct TCOD_Heap* __restrict minheap, void* __restrict out);
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TCOD_PUBLIC void TCOD_minheap_heapify(struct TCOD_Heap* minheap);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // TCOD_HEAPQ_H
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