97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJ_ARRAY_H__
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#define __PJ_ARRAY_H__
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/**
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* @file array.h
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* @brief PJLIB Array helper.
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*/
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#include <pj/types.h>
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PJ_BEGIN_DECL
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/**
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* @defgroup PJ_ARRAY Array helper.
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* @ingroup PJ_DS
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* @{
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*
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* This module provides helper to manipulate array of elements of any size.
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* It provides most used array operations such as insert, erase, and search.
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*/
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/**
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* Insert value to the array at the given position, and rearrange the
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* remaining nodes after the position.
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*
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* @param array the array.
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* @param elem_size the size of the individual element.
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* @param count the CURRENT number of elements in the array.
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* @param pos the position where the new element is put.
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* @param value the value to copy to the new element.
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*/
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PJ_DECL(void) pj_array_insert( void *array,
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unsigned elem_size,
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unsigned count,
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unsigned pos,
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const void *value);
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/**
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* Erase a value from the array at given position, and rearrange the remaining
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* elements post the erased element.
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*
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* @param array the array.
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* @param elem_size the size of the individual element.
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* @param count the current number of elements in the array.
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* @param pos the index/position to delete.
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*/
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PJ_DECL(void) pj_array_erase( void *array,
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unsigned elem_size,
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unsigned count,
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unsigned pos);
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/**
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* Search the first value in the array according to matching function.
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*
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* @param array the array.
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* @param elem_size the individual size of the element.
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* @param count the number of elements.
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* @param matching the matching function, which MUST return PJ_SUCCESS if
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* the specified element match.
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* @param result the pointer to the value found.
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*
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* @return PJ_SUCCESS if value is found, otherwise the error code.
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*/
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PJ_DECL(pj_status_t) pj_array_find( const void *array,
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unsigned elem_size,
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unsigned count,
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pj_status_t (*matching)(const void *value),
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void **result);
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/**
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* @}
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*/
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PJ_END_DECL
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#endif /* __PJ_ARRAY_H__ */
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