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69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2020 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _BTREE_H_
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#define _BTREE_H_
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/*********************** Balanced Tree data structure **********************\
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* *
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* Module: BTREE.H *
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* API to BTREE routines. *
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* *
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\***************************************************************************/
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//
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// RED BLACK TREE structure.
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//
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#include "nvtypes.h"
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#include "nvstatus.h"
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typedef struct NODE
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{
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// public:
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void *Data;
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NvU64 keyStart;
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NvU64 keyEnd;
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// private:
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NvBool isRed; // !IsRed == IsBlack
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struct NODE *parent; // tree links
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struct NODE *left;
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struct NODE *right;
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} NODE, *PNODE;
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//---------------------------------------------------------------------------
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//
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// Function prototypes.
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//
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//---------------------------------------------------------------------------
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NV_STATUS btreeInsert(PNODE, PNODE *);
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NV_STATUS btreeUnlink(PNODE, PNODE *);
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NV_STATUS btreeSearch(NvU64, PNODE *, PNODE);
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NV_STATUS btreeEnumStart(NvU64, PNODE *, PNODE);
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NV_STATUS btreeEnumNext(PNODE *, PNODE);
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NV_STATUS btreeDestroyData(PNODE);
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NV_STATUS btreeDestroyNodes(PNODE);
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#endif // _BTREE_H_
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