120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/******************************************************************************
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* $Id$
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*
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* This file Copyright (C) 2007-2009 Charles Kerr <charles@transmissionbt.com>
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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 THE
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* 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 __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#ifndef _TR_PTR_ARRAY_H_
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#define _TR_PTR_ARRAY_H_
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#include "transmission.h"
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/**
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* @addtogroup utils Utilities
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* @{
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*/
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/**
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* A simple pointer array that resizes itself dynamically.
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*/
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typedef struct tr_ptrArray
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{
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void ** items;
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int n_items;
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int n_alloc;
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}
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tr_ptrArray;
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typedef void ( *PtrArrayForeachFunc )( void * );
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extern const tr_ptrArray TR_PTR_ARRAY_INIT;
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void tr_ptrArrayDestruct( tr_ptrArray*, PtrArrayForeachFunc func );
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tr_ptrArray * tr_ptrArrayNew( void );
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tr_ptrArray * tr_ptrArrayDup( tr_ptrArray* );
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void tr_ptrArrayForeach( tr_ptrArray * array,
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PtrArrayForeachFunc func );
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void tr_ptrArrayFree( tr_ptrArray * array,
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PtrArrayForeachFunc func );
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void* tr_ptrArrayNth( tr_ptrArray * array,
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int nth );
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void* tr_ptrArrayBack( tr_ptrArray * array );
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void** tr_ptrArrayPeek( tr_ptrArray * array,
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int * size );
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static TR_INLINE void tr_ptrArrayClear( tr_ptrArray * a ) { a->n_items = 0; }
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int tr_ptrArrayInsert( tr_ptrArray * array,
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void * insertMe,
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int pos );
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static TR_INLINE int tr_ptrArrayAppend( tr_ptrArray * array, void * appendMe )
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{
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return tr_ptrArrayInsert( array, appendMe, -1 );
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}
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void* tr_ptrArrayPop( tr_ptrArray * array );
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void tr_ptrArrayErase( tr_ptrArray * array,
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int begin,
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int end );
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static TR_INLINE void** tr_ptrArrayBase( const tr_ptrArray * a )
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{
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return a->items;
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}
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static TR_INLINE int tr_ptrArraySize( const tr_ptrArray * a )
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{
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return a->n_items;
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}
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static TR_INLINE tr_bool tr_ptrArrayEmpty( const tr_ptrArray * a )
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{
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return tr_ptrArraySize(a) == 0;
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}
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int tr_ptrArrayInsertSorted( tr_ptrArray * array,
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void * value,
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int compare(const void*, const void*) );
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void* tr_ptrArrayRemoveSorted( tr_ptrArray * array,
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void * value,
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int compare(const void*, const void*) );
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void* tr_ptrArrayFindSorted( tr_ptrArray * array,
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const void * key,
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int compare(const void*, const void*) );
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/* @} */
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#endif
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