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/* Copyright (c) 2009 The Khronos Group Inc.
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* Portions copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
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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/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Materials.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include "owfmemory.h"
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#include "owflinkedlist.h"
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#include "owftypes.h"
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#include "owfpool.h"
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OWF_API_CALL OWF_NODE*
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OWF_Node_Create(OWF_POOL* pool, void* data)
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{
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OWF_NODE* node;
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node = (OWF_NODE*)OWF_Pool_GetObject(pool);
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if (node)
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{
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node->data = data;
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}
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return node;
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}
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OWF_API_CALL void
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OWF_Node_Destroy(OWF_NODE* node)
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{
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OWF_Pool_PutObject(node);
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Tail(OWF_NODE* root)
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{
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if (root)
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{
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while (root->next)
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{
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root = root->next;
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}
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}
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return root;
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Append(OWF_NODE* root, OWF_NODE* node)
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{
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OWF_NODE* tail;
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tail = OWF_List_Tail(root);
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if (tail)
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{
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tail->next = node;
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}
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else
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{
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root = node;
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}
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return root;
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Insert(OWF_NODE* root, OWF_NODE* node)
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{
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if (root)
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{
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node->next = root;
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}
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root = node;
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return root;
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}
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OWF_API_CALL void
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OWF_List_InsertAfter(OWF_NODE* pred, OWF_NODE* succ)
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{
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if (pred && succ)
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{
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succ->next = pred->next;
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pred->next = succ;
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}
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Contains(OWF_NODE* root, void* data)
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{
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while (root)
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{
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if (root->data == data)
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{
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break;
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}
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root = root->next;
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}
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return root;
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Remove(OWF_NODE* root, OWF_NODE* node)
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{
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OWF_NODE* iter = NULL;
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if (root)
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{
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if (node != root)
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{
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iter = root;
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while (iter)
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{
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if (iter->next == node)
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{
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iter->next = node->next;
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break;
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}
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iter = iter->next;
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}
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}
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else
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{
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root = root->next;
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}
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}
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return root;
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}
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OWF_API_CALL OWF_NODE*
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OWF_List_Clear(OWF_NODE* root)
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{
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OWF_NODE* next = NULL;
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while (root)
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{
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next = root->next;
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OWF_Node_Destroy(root);
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root = next;
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}
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return root;
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}
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#ifdef __cplusplus
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}
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#endif
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