Removed unused files.
Richard Barry
15 years ago
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e262d95404
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85e6e01995
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/*
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* Copyright (c) 2004, Swedish Institute of Computer Science.
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* 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 INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: memb.h,v 1.6 2009/04/06 21:18:04 adamdunkels Exp $
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*/
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/**
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* \addtogroup mem
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* @{
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*/
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/**
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* \defgroup memb Memory block management functions
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*
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* The memory block allocation routines provide a simple yet powerful
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* set of functions for managing a set of memory blocks of fixed
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* size. A set of memory blocks is statically declared with the
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* MEMB() macro. Memory blocks are allocated from the declared
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* memory by the memb_alloc() function, and are deallocated with the
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* memb_free() function.
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*
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* @{
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*/
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/**
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* \file
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* Memory block allocation routines.
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* \author
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* Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __MEMB_H__
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#define __MEMB_H__
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#include "sys/cc.h"
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/**
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* Declare a memory block.
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*
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* This macro is used to statically declare a block of memory that can
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* be used by the block allocation functions. The macro statically
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* declares a C array with a size that matches the specified number of
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* blocks and their individual sizes.
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*
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* Example:
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\code
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MEMB(connections, struct connection, 16);
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\endcode
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*
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* \param name The name of the memory block (later used with
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* memb_init(), memb_alloc() and memb_free()).
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*
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* \param structure The name of the struct that the memory block holds
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*
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* \param num The total number of memory chunks in the block.
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*
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*/
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#define MEMB( name, structure, num ) \
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static char CC_CONCAT( name, _memb_count )[num]; \
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static structure CC_CONCAT( name, _memb_mem )[num]; \
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static struct memb name = \
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{ \
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sizeof( structure ), num, CC_CONCAT( name, _memb_count ), ( void * ) CC_CONCAT( name, _memb_mem ) \
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}
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struct memb
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{ unsigned short size; unsigned short num; char *count; void *mem; };
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/**
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* Initialize a memory block that was declared with MEMB().
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*
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* \param m A memory block previously declared with MEMB().
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*/
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void memb_init( struct memb *m );
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/**
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* Allocate a memory block from a block of memory declared with MEMB().
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*
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* \param m A memory block previously declared with MEMB().
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*/
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void *memb_alloc( struct memb *m );
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/**
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* Deallocate a memory block from a memory block previously declared
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* with MEMB().
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*
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* \param m m A memory block previously declared with MEMB().
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*
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* \param ptr A pointer to the memory block that is to be deallocated.
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*
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* \return The new reference count for the memory block (should be 0
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* if successfully deallocated) or -1 if the pointer "ptr" did not
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* point to a legal memory block.
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*/
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char memb_free( struct memb *m, void *ptr );
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int memb_inmemb( struct memb *m, void *ptr );
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/** @} */
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/** @} */
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#endif /* __MEMB_H__ */
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