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327 lines
12 KiB
C
327 lines
12 KiB
C
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2013. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_ALLOC_LIB_EXT_H
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#define BOOST_CONTAINER_ALLOC_LIB_EXT_H
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#include <stddef.h>
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#ifdef _MSC_VER
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#pragma warning (push)
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#pragma warning (disable : 4127)
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/*
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we need to import/export our code only if the user has specifically
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asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
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libraries to be dynamically linked, or BOOST_CONTAINER_DYN_LINK
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if they want just this one to be dynamically liked:
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*/
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#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CONTAINER_DYN_LINK)
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/* export if this is our own source, otherwise import: */
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#ifdef BOOST_CONTAINER_SOURCE
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# define BOOST_CONTAINER_DECL __declspec(dllexport)
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#else
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# define BOOST_CONTAINER_DECL __declspec(dllimport)
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#endif /* BOOST_CONTAINER_SOURCE */
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#endif /* DYN_LINK */
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#endif /* _MSC_VER */
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/* if BOOST_CONTAINER_DECL isn't defined yet define it now: */
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#ifndef BOOST_CONTAINER_DECL
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#define BOOST_CONTAINER_DECL
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!An forward iterator to traverse the elements of a memory chain container.*/
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typedef struct multialloc_node_impl
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{
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struct multialloc_node_impl *next_node_ptr;
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} boost_cont_memchain_node;
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/*!An forward iterator to traverse the elements of a memory chain container.*/
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typedef struct multialloc_it_impl
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{
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boost_cont_memchain_node *node_ptr;
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} boost_cont_memchain_it;
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/*!Memory chain: A container holding memory portions allocated by boost_cont_multialloc_nodes
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and boost_cont_multialloc_arrays functions.*/
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typedef struct boost_cont_memchain_impl
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{
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size_t num_mem;
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boost_cont_memchain_node root_node;
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boost_cont_memchain_node *last_node_ptr;
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} boost_cont_memchain;
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/*!Advances the iterator one position so that it points to the next element in the memory chain*/
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#define BOOST_CONTAINER_MEMIT_NEXT(IT) (IT.node_ptr = IT.node_ptr->next_node_ptr)
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/*!Returns the address of the memory chain currently pointed by the iterator*/
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#define BOOST_CONTAINER_MEMIT_ADDR(IT) ((void*)IT.node_ptr)
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/*!Initializer for an iterator pointing to the position before the first element*/
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#define BOOST_CONTAINER_MEMCHAIN_BEFORE_BEGIN_IT(PMEMCHAIN) { &((PMEMCHAIN)->root_node) }
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/*!Initializer for an iterator pointing to the first element*/
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#define BOOST_CONTAINER_MEMCHAIN_BEGIN_IT(PMEMCHAIN) {(PMEMCHAIN)->root_node.next_node_ptr }
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/*!Initializer for an iterator pointing to the last element*/
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#define BOOST_CONTAINER_MEMCHAIN_LAST_IT(PMEMCHAIN) {(PMEMCHAIN)->last_node_ptr }
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/*!Initializer for an iterator pointing to one past the last element (end iterator)*/
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#define BOOST_CONTAINER_MEMCHAIN_END_IT(PMEMCHAIN) {(boost_cont_memchain_node *)0 }
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/*!True if IT is the end iterator, false otherwise*/
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#define BOOST_CONTAINER_MEMCHAIN_IS_END_IT(PMEMCHAIN, IT) (!(IT).node_ptr)
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/*!The address of the first memory portion hold by the memory chain*/
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#define BOOST_CONTAINER_MEMCHAIN_FIRSTMEM(PMEMCHAIN)((void*)((PMEMCHAIN)->root_node.next_node_ptr))
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/*!The address of the last memory portion hold by the memory chain*/
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#define BOOST_CONTAINER_MEMCHAIN_LASTMEM(PMEMCHAIN) ((void*)((PMEMCHAIN)->last_node_ptr))
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/*!The number of memory portions hold by the memory chain*/
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#define BOOST_CONTAINER_MEMCHAIN_SIZE(PMEMCHAIN) ((PMEMCHAIN)->num_mem)
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/*!Initializes the memory chain from the first memory portion, the last memory
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portion and number of portions obtained from another memory chain*/
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#define BOOST_CONTAINER_MEMCHAIN_INIT_FROM(PMEMCHAIN, FIRST, LAST, NUM)\
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(PMEMCHAIN)->last_node_ptr = (boost_cont_memchain_node *)(LAST), \
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(PMEMCHAIN)->root_node.next_node_ptr = (boost_cont_memchain_node *)(FIRST), \
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(PMEMCHAIN)->num_mem = (NUM);\
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/**/
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/*!Default initializes a memory chain. Postconditions: begin iterator is end iterator,
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the number of portions is zero.*/
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#define BOOST_CONTAINER_MEMCHAIN_INIT(PMEMCHAIN)\
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((PMEMCHAIN)->root_node.next_node_ptr = 0, (PMEMCHAIN)->last_node_ptr = &((PMEMCHAIN)->root_node), (PMEMCHAIN)->num_mem = 0)\
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/**/
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/*!True if the memory chain is empty (holds no memory portions*/
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#define BOOST_CONTAINER_MEMCHAIN_EMPTY(PMEMCHAIN)\
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((PMEMCHAIN)->num_mem == 0)\
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/**/
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/*!Inserts a new memory portions in the front of the chain*/
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#define BOOST_CONTAINER_MEMCHAIN_PUSH_BACK(PMEMCHAIN, MEM)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain_node *____tmp_mem____ = (boost_cont_memchain_node *)(MEM);\
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____chain____->last_node_ptr->next_node_ptr = ____tmp_mem____;\
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____tmp_mem____->next_node_ptr = 0;\
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____chain____->last_node_ptr = ____tmp_mem____;\
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++____chain____->num_mem;\
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}while(0)\
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/**/
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/*!Inserts a new memory portions in the back of the chain*/
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#define BOOST_CONTAINER_MEMCHAIN_PUSH_FRONT(PMEMCHAIN, MEM)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain_node *____tmp_mem____ = (boost_cont_memchain_node *)(MEM);\
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boost_cont_memchain *____root____ = &((PMEMCHAIN)->root_node);\
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if(!____chain____->root_node.next_node_ptr){\
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____chain____->last_node_ptr = ____tmp_mem____;\
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}\
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boost_cont_memchain_node *____old_first____ = ____root____->next_node_ptr;\
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____tmp_mem____->next_node_ptr = ____old_first____;\
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____root____->next_node_ptr = ____tmp_mem____;\
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++____chain____->num_mem;\
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}while(0)\
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/**/
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/*!Erases the memory portion after the portion pointed by BEFORE_IT from the memory chain*/
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/*!Precondition: BEFORE_IT must be a valid iterator of the memory chain and it can't be the end iterator*/
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#define BOOST_CONTAINER_MEMCHAIN_ERASE_AFTER(PMEMCHAIN, BEFORE_IT)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain_node *____prev_node____ = (BEFORE_IT).node_ptr;\
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boost_cont_memchain_node *____erase_node____ = ____prev_node____->next_node_ptr;\
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if(____chain____->last_node_ptr == ____erase_node____){\
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____chain____->last_node_ptr = &____chain____->root_node;\
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}\
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____prev_node____->next_node_ptr = ____erase_node____->next_node_ptr;\
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--____chain____->num_mem;\
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}while(0)\
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/**/
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/*!Erases the first portion from the memory chain.
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Precondition: the memory chain must not be empty*/
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#define BOOST_CONTAINER_MEMCHAIN_POP_FRONT(PMEMCHAIN)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain_node *____prev_node____ = &____chain____->root_node;\
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boost_cont_memchain_node *____erase_node____ = ____prev_node____->next_node_ptr;\
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if(____chain____->last_node_ptr == ____erase_node____){\
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____chain____->last_node_ptr = &____chain____->root_node;\
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}\
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____prev_node____->next_node_ptr = ____erase_node____->next_node_ptr;\
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--____chain____->num_mem;\
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}while(0)\
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/**/
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/*!Joins two memory chains inserting the portions of the second chain at the back of the first chain*/
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/*
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#define BOOST_CONTAINER_MEMCHAIN_SPLICE_BACK(PMEMCHAIN, PMEMCHAIN2)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain *____chain2____ = (PMEMCHAIN2);\
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if(!____chain2____->root_node.next_node_ptr){\
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break;\
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}\
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else if(!____chain____->first_mem){\
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____chain____->first_mem = ____chain2____->first_mem;\
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____chain____->last_node_ptr = ____chain2____->last_node_ptr;\
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____chain____->num_mem = ____chain2____->num_mem;\
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BOOST_CONTAINER_MEMCHAIN_INIT(*____chain2____);\
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}\
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else{\
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____chain____->last_node_ptr->next_node_ptr = ____chain2____->first_mem;\
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____chain____->last_node_ptr = ____chain2____->last_node_ptr;\
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____chain____->num_mem += ____chain2____->num_mem;\
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}\
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}while(0)\*/
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/**/
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/*!Joins two memory chains inserting the portions of the second chain at the back of the first chain*/
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#define BOOST_CONTAINER_MEMCHAIN_INCORPORATE_AFTER(PMEMCHAIN, BEFORE_IT, FIRST, BEFORELAST, NUM)\
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do{\
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boost_cont_memchain *____chain____ = (PMEMCHAIN);\
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boost_cont_memchain_node *____pnode____ = (BEFORE_IT).node_ptr;\
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boost_cont_memchain_node *____next____ = ____pnode____->next_node_ptr;\
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boost_cont_memchain_node *____first____ = (boost_cont_memchain_node *)(FIRST);\
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boost_cont_memchain_node *____blast____ = (boost_cont_memchain_node *)(BEFORELAST);\
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size_t ____num____ = (NUM);\
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if(!____num____){\
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break;\
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}\
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if(____pnode____ == ____chain____->last_node_ptr){\
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____chain____->last_node_ptr = ____blast____;\
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}\
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____pnode____->next_node_ptr = ____first____;\
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____blast____->next_node_ptr = ____next____;\
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____chain____->num_mem += ____num____;\
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}while(0)\
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/**/
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BOOST_CONTAINER_DECL size_t boost_cont_size(const void *p);
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BOOST_CONTAINER_DECL void* boost_cont_malloc(size_t bytes);
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BOOST_CONTAINER_DECL void boost_cont_free(void* mem);
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BOOST_CONTAINER_DECL void* boost_cont_memalign(size_t bytes, size_t alignment);
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/*!Indicates the all elements allocated by boost_cont_multialloc_nodes or boost_cont_multialloc_arrays
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must be contiguous.*/
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#define DL_MULTIALLOC_ALL_CONTIGUOUS ((size_t)(-1))
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/*!Indicates the number of contiguous elements allocated by boost_cont_multialloc_nodes or boost_cont_multialloc_arrays
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should be selected by those functions.*/
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#define DL_MULTIALLOC_DEFAULT_CONTIGUOUS ((size_t)(0))
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BOOST_CONTAINER_DECL int boost_cont_multialloc_nodes
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(size_t n_elements, size_t elem_size, size_t contiguous_elements, boost_cont_memchain *pchain);
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BOOST_CONTAINER_DECL int boost_cont_multialloc_arrays
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(size_t n_elements, const size_t *sizes, size_t sizeof_element, size_t contiguous_elements, boost_cont_memchain *pchain);
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BOOST_CONTAINER_DECL void boost_cont_multidealloc(boost_cont_memchain *pchain);
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BOOST_CONTAINER_DECL size_t boost_cont_footprint();
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BOOST_CONTAINER_DECL size_t boost_cont_allocated_memory();
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BOOST_CONTAINER_DECL size_t boost_cont_chunksize(const void *p);
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BOOST_CONTAINER_DECL int boost_cont_all_deallocated();
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typedef struct boost_cont_malloc_stats_impl
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{
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size_t max_system_bytes;
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size_t system_bytes;
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size_t in_use_bytes;
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} boost_cont_malloc_stats_t;
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BOOST_CONTAINER_DECL boost_cont_malloc_stats_t boost_cont_malloc_stats();
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BOOST_CONTAINER_DECL size_t boost_cont_in_use_memory();
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BOOST_CONTAINER_DECL int boost_cont_trim(size_t pad);
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BOOST_CONTAINER_DECL int boost_cont_mallopt
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(int parameter_number, int parameter_value);
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BOOST_CONTAINER_DECL int boost_cont_grow
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(void* oldmem, size_t minbytes, size_t maxbytes, size_t *received);
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BOOST_CONTAINER_DECL int boost_cont_shrink
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(void* oldmem, size_t minbytes, size_t maxbytes, size_t *received, int do_commit);
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BOOST_CONTAINER_DECL void* boost_cont_alloc
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(size_t minbytes, size_t preferred_bytes, size_t *received_bytes);
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BOOST_CONTAINER_DECL int boost_cont_malloc_check();
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typedef unsigned int allocation_type;
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enum
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{
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// constants for allocation commands
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BOOST_CONTAINER_ALLOCATE_NEW = 0X01,
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BOOST_CONTAINER_EXPAND_FWD = 0X02,
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BOOST_CONTAINER_EXPAND_BWD = 0X04,
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BOOST_CONTAINER_SHRINK_IN_PLACE = 0X08,
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BOOST_CONTAINER_NOTHROW_ALLOCATION = 0X10,
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// BOOST_CONTAINER_ZERO_MEMORY = 0X20,
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BOOST_CONTAINER_TRY_SHRINK_IN_PLACE = 0X40,
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BOOST_CONTAINER_EXPAND_BOTH = BOOST_CONTAINER_EXPAND_FWD | BOOST_CONTAINER_EXPAND_BWD,
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BOOST_CONTAINER_EXPAND_OR_NEW = BOOST_CONTAINER_ALLOCATE_NEW | BOOST_CONTAINER_EXPAND_BOTH
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};
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//#define BOOST_CONTAINERDLMALLOC__FOOTERS
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#ifndef BOOST_CONTAINERDLMALLOC__FOOTERS
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enum { BOOST_CONTAINER_ALLOCATION_PAYLOAD = sizeof(size_t) };
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#else
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enum { BOOST_CONTAINER_ALLOCATION_PAYLOAD = sizeof(size_t)*2 };
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#endif
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typedef struct boost_cont_command_ret_impl
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{
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void *first;
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int second;
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}boost_cont_command_ret_t;
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BOOST_CONTAINER_DECL boost_cont_command_ret_t boost_cont_allocation_command
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( allocation_type command
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, size_t sizeof_object
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, size_t limit_objects
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, size_t preferred_objects
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, size_t *received_objects
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, void *reuse_ptr
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);
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BOOST_CONTAINER_DECL int boost_cont_mallopt(int param_number, int value);
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#ifdef __cplusplus
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} //extern "C" {
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#endif
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#ifdef _MSC_VER
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#pragma warning (pop)
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#endif
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#endif //#define BOOST_CONTAINERDLMALLOC__EXT_H
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