2008-08-06 11:15:24 -07:00
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/* EINA - EFL data type library
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* Copyright (C) 2002-2008 Carsten Haitzler, Gustavo Sverzut Barbieri, Tilman Sauerbeck,
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* Vincent Torri, Cedric Bail, Jorge Luis Zapata Muga,
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2008-09-26 06:45:30 -07:00
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* Corey Donohoe, Arnaud de Turckheim, Alexandre Becoulet
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2008-08-06 11:15:24 -07:00
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright (C) 2004 ncn
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* Copyright (C) 2006 Sebastian Dransfeld
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* Copyright (C) 2007 Christopher Michael
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software and its Copyright notices. In addition publicly
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* documented acknowledgment must be given that this software has been used if no
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* source code of this software is made available publicly. This includes
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* acknowledgments in either Copyright notices, Manuals, Publicity and Marketing
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* documents or any documentation provided with any product containing this
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* software. This License does not apply to any software that links to the
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* libraries provided by this software (statically or dynamically), but only to
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* the software provided.
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* Please see the OLD-COPYING.PLAIN for a plain-english explanation of this notice
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* and it's intent.
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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
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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2008-09-22 22:17:49 -07:00
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/**
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* @page tutorial_list_page List Tutorial
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*
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* to be written...
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*
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*/
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2008-08-07 06:09:09 -07:00
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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2008-10-29 16:12:56 -07:00
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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2008-10-16 14:31:51 -07:00
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#ifdef HAVE_EVIL
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# include <Evil.h>
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#endif
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2008-08-07 06:09:09 -07:00
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#include "eina_error.h"
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2008-07-30 06:35:49 -07:00
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#include "eina_list.h"
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2008-09-30 09:48:28 -07:00
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#include "eina_mempool.h"
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2008-07-30 05:46:55 -07:00
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#include "eina_private.h"
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2008-08-07 06:09:09 -07:00
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/*============================================================================*
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2008-08-27 23:31:18 -07:00
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* Local *
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2008-08-07 06:09:09 -07:00
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*============================================================================*/
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2008-08-27 23:31:18 -07:00
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/**
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* @cond LOCAL
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*/
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2008-09-25 07:46:16 -07:00
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#define EINA_MAGIC_CHECK_LIST(d) \
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do { \
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if (!EINA_MAGIC_CHECK(d, EINA_MAGIC_LIST)) \
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EINA_MAGIC_FAIL(d, EINA_MAGIC_LIST); \
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} while(0);
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#define EINA_MAGIC_CHECK_LIST_ITERATOR(d) \
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do { \
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if (!EINA_MAGIC_CHECK(d, EINA_MAGIC_LIST_ITERATOR)) \
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EINA_MAGIC_FAIL(d, EINA_MAGIC_LIST_ITERATOR); \
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} while(0);
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#define EINA_MAGIC_CHECK_LIST_ACCESSOR(d) \
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do { \
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if (!EINA_MAGIC_CHECK(d, EINA_MAGIC_LIST_ACCESSOR)) \
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EINA_MAGIC_FAIL(d, EINA_MAGIC_LIST_ACCESSOR); \
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} while(0);
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#define EINA_MAGIC_CHECK_LIST_ACCOUNTING(d) \
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do { \
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if (!EINA_MAGIC_CHECK(d, EINA_MAGIC_LIST_ACCOUNTING)) \
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EINA_MAGIC_FAIL(d, EINA_MAGIC_LIST_ACCOUNTING); \
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} while(0);
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2008-09-26 06:45:30 -07:00
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#define EINA_LIST_SORT_STACK_SIZE 32
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2008-08-13 02:19:34 -07:00
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typedef struct _Eina_Iterator_List Eina_Iterator_List;
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typedef struct _Eina_Accessor_List Eina_Accessor_List;
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struct _Eina_Iterator_List
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{
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Eina_Iterator iterator;
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC;
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2008-08-13 02:19:34 -07:00
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const Eina_List *head;
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const Eina_List *current;
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};
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struct _Eina_Accessor_List
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{
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Eina_Accessor accessor;
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC;
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2008-08-13 02:19:34 -07:00
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const Eina_List *head;
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const Eina_List *current;
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unsigned int index;
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};
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2008-09-25 07:46:16 -07:00
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static int _eina_list_init_count = 0;
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2008-09-30 09:48:28 -07:00
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static Eina_Mempool *_eina_list_mp = NULL;
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static Eina_Mempool *_eina_list_accounting_mp = NULL;
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2008-09-25 07:46:16 -07:00
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2008-08-07 06:09:09 -07:00
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static inline Eina_List_Accounting*
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_eina_list_mempool_accounting_new(__UNUSED__ Eina_List *list)
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{
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Eina_List_Accounting *tmp;
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2008-07-30 05:46:55 -07:00
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2008-09-30 09:48:28 -07:00
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tmp = eina_mempool_alloc(_eina_list_accounting_mp, sizeof (Eina_List_Accounting));
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if (!tmp) return NULL;
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2008-07-30 05:46:55 -07:00
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_SET(tmp, EINA_MAGIC_LIST_ACCOUNTING);
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2008-08-07 06:09:09 -07:00
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return tmp;
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}
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static inline void
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_eina_list_mempool_accounting_free(Eina_List_Accounting *accounting)
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2008-07-30 05:46:55 -07:00
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST_ACCOUNTING(accounting);
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2008-09-30 09:48:28 -07:00
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EINA_MAGIC_SET(accounting, EINA_MAGIC_NONE);
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eina_mempool_free(_eina_list_accounting_mp, accounting);
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2008-08-07 06:09:09 -07:00
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}
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2008-07-30 05:46:55 -07:00
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2008-08-07 06:09:09 -07:00
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static inline Eina_List*
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_eina_list_mempool_list_new(__UNUSED__ Eina_List *list)
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2008-07-30 05:46:55 -07:00
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{
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2008-08-07 06:09:09 -07:00
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Eina_List *tmp;
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2008-09-30 09:48:28 -07:00
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tmp = eina_mempool_alloc(_eina_list_mp, sizeof (Eina_List));
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if (!tmp) return NULL;
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2008-08-07 06:09:09 -07:00
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_SET(tmp, EINA_MAGIC_LIST);
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2008-08-07 06:09:09 -07:00
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return tmp;
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2008-07-30 05:46:55 -07:00
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}
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2008-08-07 06:09:09 -07:00
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static inline void
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_eina_list_mempool_list_free(Eina_List *list)
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST(list);
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2008-08-07 06:09:09 -07:00
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list->accounting->count--;
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if (list->accounting->count == 0)
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_eina_list_mempool_accounting_free(list->accounting);
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2008-09-30 09:48:28 -07:00
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EINA_MAGIC_SET(list, EINA_MAGIC_NONE);
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eina_mempool_free(_eina_list_mp, list);
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2008-08-07 06:09:09 -07:00
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}
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static Eina_List *
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_eina_list_setup_accounting(Eina_List *list)
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2008-07-30 05:46:55 -07:00
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST(list);
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2008-08-07 06:09:09 -07:00
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list->accounting = _eina_list_mempool_accounting_new(list);
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if (!list->accounting) goto on_error;
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list->accounting->last = list;
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list->accounting->count = 1;
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return list;
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on_error:
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_eina_list_mempool_list_free(list);
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return NULL;
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2008-07-30 05:46:55 -07:00
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}
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2008-08-07 06:09:09 -07:00
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static inline void
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_eina_list_update_accounting(Eina_List *list, Eina_List *new_list)
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2008-07-30 05:46:55 -07:00
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST(list);
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EINA_MAGIC_CHECK_LIST(new_list);
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2008-08-07 06:09:09 -07:00
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list->accounting->count++;
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new_list->accounting = list->accounting;
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2008-07-30 05:46:55 -07:00
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}
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2008-08-07 06:09:09 -07:00
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#if 0
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2008-07-30 05:46:55 -07:00
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static Eina_Mempool2 _eina_list_mempool =
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{
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sizeof(Eina_List),
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320,
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0, NULL, NULL
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};
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static Eina_Mempool2 _eina_list_accounting_mempool =
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{
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sizeof(Eina_List_Accounting),
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80,
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0, NULL, NULL
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};
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2008-08-07 06:09:09 -07:00
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#endif
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2008-08-13 02:19:34 -07:00
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static Eina_Bool
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eina_list_iterator_next(Eina_Iterator_List *it, void **data)
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST_ITERATOR(it);
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2008-08-13 02:19:34 -07:00
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if (it->current == NULL) return EINA_FALSE;
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2008-09-25 07:46:16 -07:00
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if (data) *data = eina_list_data_get(it->current);
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2008-08-13 02:19:34 -07:00
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it->current = eina_list_next(it->current);
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return EINA_TRUE;
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}
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static Eina_List *
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eina_list_iterator_get_container(Eina_Iterator_List *it)
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST_ITERATOR(it);
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2008-08-13 02:19:34 -07:00
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return (Eina_List *) it->head;
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}
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static void
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eina_list_iterator_free(Eina_Iterator_List *it)
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST_ITERATOR(it);
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MAGIC_FREE(it);
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2008-08-13 02:19:34 -07:00
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}
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static Eina_Bool
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eina_list_accessor_get_at(Eina_Accessor_List *it, unsigned int index, void **data)
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{
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const Eina_List *over;
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unsigned int middle;
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unsigned int i;
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC_CHECK_LIST_ACCESSOR(it);
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2008-08-13 02:19:34 -07:00
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if (index > eina_list_count(it->head)) return EINA_FALSE;
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if (it->index == index)
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{
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over = it->current;
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}
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else if (index > it->index)
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{
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/* After current position. */
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middle = ((eina_list_count(it->head) - it->index) >> 1) + it->index;
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if (index > middle)
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{
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/* Go backward from the end. */
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for (i = eina_list_count(it->head) - 1, over = eina_list_last(it->head);
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i > index && over != NULL;
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--i, over = eina_list_prev(over))
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;
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}
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else
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{
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/* Go forward from current. */
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for (i = it->index, over = it->current;
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i < index && over != NULL;
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++i, over = eina_list_next(over))
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;
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}
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}
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else
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{
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/* Before current position. */
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middle = it->index >> 1;
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if (index > middle)
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{
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/* Go backward from current. */
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for (i = it->index, over = it->current;
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i > index && over != NULL;
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--i, over = eina_list_prev(over))
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;
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}
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else
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{
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/* Go forward from start. */
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for (i = 0, over = it->head;
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i < index && over != NULL;
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++i, over = eina_list_next(over))
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;
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}
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}
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if (over == NULL) return EINA_FALSE;
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it->current = over;
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it->index = index;
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2008-09-25 07:46:16 -07:00
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if (data) *data = eina_list_data_get(it->current);
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2008-08-13 02:19:34 -07:00
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return EINA_TRUE;
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}
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static Eina_List *
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|
|
eina_list_accessor_get_container(Eina_Accessor_List *it)
|
|
|
|
{
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST_ACCESSOR(it);
|
|
|
|
|
2008-08-13 02:19:34 -07:00
|
|
|
return (Eina_List *) it->head;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
eina_list_accessor_free(Eina_Accessor_List *it)
|
|
|
|
{
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST_ACCESSOR(it);
|
|
|
|
|
|
|
|
MAGIC_FREE(it);
|
2008-08-13 02:19:34 -07:00
|
|
|
}
|
|
|
|
|
2008-10-01 09:30:30 -07:00
|
|
|
static Eina_List *
|
2008-09-26 06:45:30 -07:00
|
|
|
eina_list_sort_rebuild_prev(Eina_List *list)
|
|
|
|
{
|
2008-10-01 09:30:30 -07:00
|
|
|
Eina_List *prev = NULL;
|
2008-09-26 06:45:30 -07:00
|
|
|
|
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
|
|
|
for (; list; list = list->next)
|
|
|
|
{
|
|
|
|
list->prev = prev;
|
|
|
|
prev = list;
|
|
|
|
}
|
2008-10-01 09:30:30 -07:00
|
|
|
|
|
|
|
return prev;
|
2008-09-26 06:45:30 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
static Eina_List *
|
|
|
|
eina_list_sort_merge(Eina_List *a, Eina_List *b, Eina_Compare_Cb func)
|
|
|
|
{
|
|
|
|
Eina_List *first, *last;
|
|
|
|
|
|
|
|
if (func(a->data, b->data) < 0)
|
|
|
|
a = (last = first = a)->next;
|
|
|
|
else
|
|
|
|
b = (last = first = b)->next;
|
|
|
|
|
|
|
|
while (a && b)
|
|
|
|
if (func(a->data, b->data) < 0)
|
|
|
|
a = (last = last->next = a)->next;
|
|
|
|
else
|
|
|
|
b = (last = last->next = b)->next;
|
|
|
|
|
|
|
|
last->next = a ? a : b;
|
|
|
|
|
|
|
|
return first;
|
|
|
|
}
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/**
|
|
|
|
* @endcond
|
|
|
|
*/
|
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
/*============================================================================*
|
|
|
|
* Global *
|
|
|
|
*============================================================================*/
|
2008-08-28 00:46:42 -07:00
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
/*============================================================================*
|
|
|
|
* API *
|
|
|
|
*============================================================================*/
|
2008-08-27 23:31:18 -07:00
|
|
|
|
2008-09-18 22:22:43 -07:00
|
|
|
/**
|
|
|
|
* @addtogroup Eina_List_Group List
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief These functions provide single linked list management.
|
2008-08-27 23:31:18 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* For more information, you can look at the @ref tutorial_list_page.
|
2008-08-27 23:31:18 -07:00
|
|
|
*
|
|
|
|
* @{
|
|
|
|
*/
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Initialize the list module.
|
|
|
|
*
|
|
|
|
* @return 1 or greater on success, 0 on error.
|
|
|
|
*
|
|
|
|
* This function just sets up the error module or Eina. It is also
|
|
|
|
* called by eina_init(). It returns 0 on failure, otherwise it
|
|
|
|
* returns the number of times eina_error_init() has already been
|
|
|
|
* called.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-08-07 06:09:09 -07:00
|
|
|
EAPI int
|
|
|
|
eina_list_init(void)
|
|
|
|
{
|
2008-10-06 07:47:09 -07:00
|
|
|
char *choice;
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
if (!_eina_list_init_count)
|
|
|
|
{
|
|
|
|
eina_error_init();
|
|
|
|
eina_magic_string_init();
|
2008-09-30 09:48:28 -07:00
|
|
|
eina_mempool_init();
|
|
|
|
|
2008-10-06 07:47:09 -07:00
|
|
|
#ifdef EINA_DEFAULT_MEMPOOL
|
|
|
|
choice = "pass_through";
|
|
|
|
#else
|
|
|
|
if (!(choice = getenv("EINA_MEMPOOL")))
|
|
|
|
choice = "chained_mempool";
|
|
|
|
#endif
|
|
|
|
|
|
|
|
_eina_list_mp = eina_mempool_new(choice, "list", NULL,
|
2008-09-30 09:48:28 -07:00
|
|
|
sizeof (Eina_List), 320);
|
2008-10-29 16:12:56 -07:00
|
|
|
if (!_eina_list_mp)
|
|
|
|
{
|
2008-10-29 16:41:55 -07:00
|
|
|
EINA_ERROR_PERR("ERROR: Mempool for list cannot be allocated in list init.\n");
|
2008-10-29 16:12:56 -07:00
|
|
|
abort();
|
|
|
|
}
|
2008-10-06 07:47:09 -07:00
|
|
|
_eina_list_accounting_mp = eina_mempool_new(choice, "list_accounting", NULL,
|
2008-09-30 09:48:28 -07:00
|
|
|
sizeof (Eina_List_Accounting), 80);
|
2008-10-29 16:12:56 -07:00
|
|
|
if (!_eina_list_accounting_mp)
|
|
|
|
{
|
2008-10-29 16:41:55 -07:00
|
|
|
EINA_ERROR_PERR("ERROR: Mempool for list accounting cannot be allocated in list init.\n");
|
2008-10-29 16:12:56 -07:00
|
|
|
abort();
|
|
|
|
}
|
2008-09-25 07:46:16 -07:00
|
|
|
|
|
|
|
eina_magic_string_set(EINA_MAGIC_ITERATOR,
|
|
|
|
"Eina Iterator");
|
|
|
|
eina_magic_string_set(EINA_MAGIC_ACCESSOR,
|
|
|
|
"Eina Accessor");
|
|
|
|
eina_magic_string_set(EINA_MAGIC_LIST,
|
|
|
|
"Eina List");
|
|
|
|
eina_magic_string_set(EINA_MAGIC_LIST_ITERATOR,
|
|
|
|
"Eina List Iterator");
|
|
|
|
eina_magic_string_set(EINA_MAGIC_LIST_ACCESSOR,
|
|
|
|
"Eina List Accessor");
|
|
|
|
eina_magic_string_set(EINA_MAGIC_LIST_ACCOUNTING,
|
|
|
|
"Eina List Accounting");
|
|
|
|
}
|
|
|
|
|
|
|
|
return ++_eina_list_init_count;
|
2008-08-07 06:09:09 -07:00
|
|
|
}
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Shut down the list module.
|
|
|
|
*
|
|
|
|
* @return 0 when the error module is completely shut down, 1 or
|
|
|
|
* greater otherwise.
|
|
|
|
*
|
|
|
|
* This function just shut down the error module set up by
|
|
|
|
* eina_list_init(). It is also called by eina_shutdown(). It returns
|
|
|
|
* 0 when it is called the same number of times than
|
|
|
|
* eina_error_init().
|
2008-08-27 23:31:18 -07:00
|
|
|
*/
|
2008-08-07 06:09:09 -07:00
|
|
|
EAPI int
|
|
|
|
eina_list_shutdown(void)
|
|
|
|
{
|
2008-09-25 07:46:16 -07:00
|
|
|
--_eina_list_init_count;
|
|
|
|
|
|
|
|
if (!_eina_list_init_count)
|
|
|
|
{
|
2008-09-30 09:48:28 -07:00
|
|
|
eina_mempool_delete(_eina_list_accounting_mp);
|
|
|
|
eina_mempool_delete(_eina_list_mp);
|
|
|
|
|
|
|
|
eina_mempool_shutdown();
|
|
|
|
eina_magic_string_shutdown();
|
|
|
|
eina_error_shutdown();
|
2008-09-25 07:46:16 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
return _eina_list_init_count;
|
2008-08-07 06:09:09 -07:00
|
|
|
}
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Append the given data to the given linked list.
|
|
|
|
*
|
|
|
|
* @param list The given list.
|
|
|
|
* @param data The data to append.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function appends @p data to @p list. If @p data is @c NULL, a
|
|
|
|
* new list is returned. On success, a new list pointer that should be
|
|
|
|
* used in place of the one given to this function is
|
|
|
|
* returned. Otherwise, the old pointer is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* The following example code demonstrates how to ensure that the
|
|
|
|
* given data has been successfully appended.
|
|
|
|
*
|
|
|
|
* @code
|
|
|
|
* Eina_List *list = NULL;
|
|
|
|
* extern void *my_data;
|
|
|
|
*
|
|
|
|
* list = eina_list_append(list, my_data);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_append(Eina_List *list, const void *data)
|
|
|
|
{
|
|
|
|
Eina_List *l, *new_l;
|
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
eina_error_set(0);
|
|
|
|
new_l = _eina_list_mempool_list_new(list);
|
|
|
|
if (!new_l) return list;
|
2008-07-30 05:46:55 -07:00
|
|
|
new_l->next = NULL;
|
|
|
|
new_l->data = (void *)data;
|
|
|
|
if (!list)
|
|
|
|
{
|
|
|
|
new_l->prev = NULL;
|
2008-08-07 06:09:09 -07:00
|
|
|
return _eina_list_setup_accounting(new_l);
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
l = list->accounting->last;
|
2008-08-07 06:09:09 -07:00
|
|
|
list->accounting->last = new_l;
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
l->next = new_l;
|
|
|
|
new_l->prev = l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
_eina_list_update_accounting(list, new_l);
|
2008-07-30 05:46:55 -07:00
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Prepends the given data to the given linked list.
|
|
|
|
*
|
|
|
|
* @param list The given list.
|
|
|
|
* @param data The data to prepend.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function prepends @p data to @p list. If @p data is @c NULL, a
|
|
|
|
* new list is returned. On success, a new list pointer that should be
|
|
|
|
* used in place of the one given to this function is
|
|
|
|
* returned. Otherwise, the old pointer is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* The following example code demonstrates how to ensure that the
|
|
|
|
* given data has been successfully prepended.
|
|
|
|
*
|
|
|
|
* Example:
|
|
|
|
* @code
|
|
|
|
* Eina_List *list = NULL;
|
|
|
|
* extern void *my_data;
|
|
|
|
*
|
|
|
|
* list = eina_list_prepend(list, my_data);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_prepend(Eina_List *list, const void *data)
|
|
|
|
{
|
|
|
|
Eina_List *new_l;
|
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
eina_error_set(0);
|
|
|
|
new_l = _eina_list_mempool_list_new(list);
|
|
|
|
if (!new_l) return list;
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
new_l->prev = NULL;
|
|
|
|
new_l->next = list;
|
2008-08-07 06:09:09 -07:00
|
|
|
new_l->data = (void *)data;
|
|
|
|
|
|
|
|
if (!list) return _eina_list_setup_accounting(new_l);
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
list->prev = new_l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
_eina_list_update_accounting(list, new_l);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return new_l;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Insert the given data into the given linked list after the specified data.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The given linked list.
|
|
|
|
* @param data The data to insert.
|
|
|
|
* @param relative The data to insert after.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function inserts @p data to @p list after @p relative. If
|
|
|
|
* @p relative is not in the list, @p data is appended to the end of
|
|
|
|
* the list. If @p list is @c NULL, a new list is returned. If there
|
|
|
|
* are multiple instances of @p relative in the list, @p data is
|
|
|
|
* inserted after the first instance.On success, a new list pointer
|
|
|
|
* that should be used in place of the one given to this function is
|
|
|
|
* returned. Otherwise, the old pointer is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* The following example code demonstrates how to ensure that the
|
|
|
|
* given data has been successfully inserted.
|
|
|
|
*
|
|
|
|
* @code
|
|
|
|
* Eina_List *list = NULL;
|
|
|
|
* extern void *my_data;
|
|
|
|
* extern void *relative_member;
|
|
|
|
*
|
|
|
|
* list = eina_list_append(list, relative_member);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* list = eina_list_append_relative(list, my_data, relative_member);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_append_relative(Eina_List *list, const void *data, const void *relative)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
2008-09-25 07:46:16 -07:00
|
|
|
void *list_data;
|
2008-09-26 06:45:30 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
if (list) EINA_MAGIC_CHECK_LIST(list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-10-21 05:49:29 -07:00
|
|
|
EINA_LIST_FOREACH(list, l, list_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-26 06:45:30 -07:00
|
|
|
if (list_data == relative)
|
|
|
|
return eina_list_append_relative_list(list, data, l);
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-09-25 07:46:16 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return eina_list_append(list, data);
|
|
|
|
}
|
|
|
|
|
2008-09-22 22:17:49 -07:00
|
|
|
/**
|
|
|
|
* @brief Append a list node to a linked list after the specified member
|
|
|
|
*
|
|
|
|
* @param list The given linked list.
|
|
|
|
* @param data The data to insert.
|
|
|
|
* @param relative The list node to insert after.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function inserts @p data to @p list after the list node
|
|
|
|
* @p relative. If @p list or @p relative are @c NULL, @p data is just
|
|
|
|
* appended to @p list using eina_list_append(). If @p list is
|
|
|
|
* @c NULL, a new list is returned. If there are multiple instances
|
|
|
|
* of @p relative in the list, @p data is inserted after the first
|
|
|
|
* instance. On success, a new list pointer that should be used in
|
|
|
|
* place of the one given to this function is returned. Otherwise, the
|
|
|
|
* old pointer is returned.
|
|
|
|
*/
|
2008-07-30 05:46:55 -07:00
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_append_relative_list(Eina_List *list, const void *data, Eina_List *relative)
|
|
|
|
{
|
|
|
|
Eina_List *new_l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if ((!list) || (!relative)) return eina_list_append(list, data);
|
2008-08-07 06:09:09 -07:00
|
|
|
eina_error_set(0);
|
|
|
|
new_l = _eina_list_mempool_list_new(list);
|
|
|
|
if (!new_l) return list;
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(relative);
|
2008-08-07 06:09:09 -07:00
|
|
|
new_l->next = relative->next;
|
2008-07-30 05:46:55 -07:00
|
|
|
new_l->data = (void *)data;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if (relative->next)
|
2008-08-07 06:09:09 -07:00
|
|
|
relative->next->prev = new_l;
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
relative->next = new_l;
|
|
|
|
new_l->prev = relative;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
_eina_list_update_accounting(list, new_l);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if (!new_l->next)
|
|
|
|
new_l->accounting->last = new_l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Prepend a data pointer to a linked list before the specified member
|
|
|
|
*
|
|
|
|
* @param list The given linked list.
|
|
|
|
* @param data The data to insert.
|
|
|
|
* @param relative The data to insert before.
|
|
|
|
* @return A list pointer.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function inserts @p data to @p list before @p relative. If
|
|
|
|
* @p relative is not in the list, @p data is prepended to the list
|
|
|
|
* with eina_list_prepend(). If @p list is @c NULL, a new list is
|
|
|
|
* returned. If there are multiple instances of @p relative in the
|
|
|
|
* list, @p data is inserted before the first instance. On success, a
|
|
|
|
* new list pointer that should be used in place of the one given to
|
|
|
|
* this function is returned. Otherwise, the old pointer is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* The following code example demonstrates how to ensure that the
|
|
|
|
* given data has been successfully inserted.
|
|
|
|
*
|
|
|
|
* @code
|
|
|
|
* Eina_List *list = NULL;
|
|
|
|
* extern void *my_data;
|
|
|
|
* extern void *relative_member;
|
|
|
|
*
|
|
|
|
* list = eina_list_append(list, relative_member);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get_error())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* list = eina_list_prepend_relative(list, my_data, relative_member);
|
2008-09-22 22:17:49 -07:00
|
|
|
* if (eina_error_get())
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* fprintf(stderr, "ERROR: Memory is low. List allocation failed.\n");
|
|
|
|
* exit(-1);
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_prepend_relative(Eina_List *list, const void *data, const void *relative)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
2008-09-25 07:46:16 -07:00
|
|
|
void *list_data;
|
2008-09-26 06:45:30 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
if (list) EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-10-21 05:49:29 -07:00
|
|
|
EINA_LIST_FOREACH(list, l, list_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-26 06:45:30 -07:00
|
|
|
if (list_data == relative)
|
|
|
|
return eina_list_prepend_relative_list(list, data, l);
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
|
|
|
return eina_list_prepend(list, data);
|
|
|
|
}
|
|
|
|
|
2008-09-22 22:17:49 -07:00
|
|
|
/**
|
|
|
|
* @brief Prepend a list node to a linked list before the specified member
|
|
|
|
*
|
|
|
|
* @param list The given linked list.
|
|
|
|
* @param data The data to insert.
|
|
|
|
* @param relative The list node to insert before.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function inserts @p data to @p list before the list node
|
|
|
|
* @p relative. If @p list or @p relative are @c NULL, @p data is just
|
|
|
|
* prepended to @p list using eina_list_prepend(). If @p list is
|
|
|
|
* @c NULL, a new list is returned. If there are multiple instances
|
|
|
|
* of @p relative in the list, @p data is inserted before the first
|
|
|
|
* instance. On success, a new list pointer that should be used in
|
|
|
|
* place of the one given to this function is returned. Otherwise, the
|
|
|
|
* old pointer is returned.
|
|
|
|
*/
|
2008-07-30 05:46:55 -07:00
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_prepend_relative_list(Eina_List *list, const void *data, Eina_List *relative)
|
|
|
|
{
|
|
|
|
Eina_List *new_l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if ((!list) || (!relative)) return eina_list_prepend(list, data);
|
2008-08-07 06:09:09 -07:00
|
|
|
eina_error_set(0);
|
|
|
|
new_l = _eina_list_mempool_list_new(list);
|
|
|
|
if (!new_l) return list;
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(relative);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
new_l->prev = relative->prev;
|
|
|
|
new_l->next = relative;
|
2008-08-07 06:09:09 -07:00
|
|
|
new_l->data = (void *)data;
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if (relative->prev) relative->prev->next = new_l;
|
|
|
|
relative->prev = new_l;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
_eina_list_update_accounting(list, new_l);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if (new_l->prev)
|
|
|
|
return list;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return new_l;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Remove the first instance of the specified data from the given list.
|
|
|
|
*
|
|
|
|
* @param list The given list.
|
|
|
|
* @param data The specified data.
|
|
|
|
* @return A list pointer.
|
|
|
|
*
|
|
|
|
* This function removes the first instance of @p data from
|
|
|
|
* @p list. If the specified data is not in the given list (tihis
|
|
|
|
* include the case where @p data is @c NULL), nothing is done. If
|
|
|
|
* @p list is @c NULL, @c NULL is returned, otherwise a new list
|
|
|
|
* pointer that should be used in place of the one passed to this
|
|
|
|
* function.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_remove(Eina_List *list, const void *data)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
2008-09-25 07:46:16 -07:00
|
|
|
void *list_data;
|
|
|
|
|
|
|
|
if (list) EINA_MAGIC_CHECK_LIST(list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-10-21 05:49:29 -07:00
|
|
|
EINA_LIST_FOREACH(list, l, list_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-26 06:45:30 -07:00
|
|
|
if (list_data == data)
|
|
|
|
return eina_list_remove_list(list, l);
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-09-25 07:46:16 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Remove the specified data.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The given linked list.
|
|
|
|
* @param remove_list The list node which is to be removed.
|
|
|
|
* @return A list pointer.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function removes the list node @p remove_list from @p list and
|
|
|
|
* frees the list node structure @p remove_list. If @p list is
|
|
|
|
* @c NULL, this function returns @c NULL. If @p remove_list is
|
|
|
|
* @c NULL, it returns @p list, otherwise, a new list pointer that
|
|
|
|
* should be used in place of the one passed to this function.
|
|
|
|
*
|
|
|
|
* The following code gives an example.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* @code
|
|
|
|
* extern Eina_List *list;
|
|
|
|
* Eina_List *l;
|
|
|
|
* extern void *my_data;
|
2008-09-25 07:46:16 -07:00
|
|
|
* void *data
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-10-21 05:49:29 -07:00
|
|
|
* EINA_LIST_FOREACH(list, l, data)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
2008-09-25 07:46:16 -07:00
|
|
|
* if (data == my_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* list = eina_list_remove_list(list, l);
|
|
|
|
* break;
|
|
|
|
* }
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_remove_list(Eina_List *list, Eina_List *remove_list)
|
|
|
|
{
|
|
|
|
Eina_List *return_l;
|
|
|
|
|
|
|
|
if (!list) return NULL;
|
|
|
|
if (!remove_list) return list;
|
2008-09-25 07:46:16 -07:00
|
|
|
|
|
|
|
EINA_MAGIC_CHECK_LIST(remove_list);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
if (remove_list->next) remove_list->next->prev = remove_list->prev;
|
|
|
|
if (remove_list->prev)
|
|
|
|
{
|
|
|
|
remove_list->prev->next = remove_list->next;
|
|
|
|
return_l = list;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return_l = remove_list->next;
|
|
|
|
if (remove_list == list->accounting->last)
|
2008-09-25 07:46:16 -07:00
|
|
|
{
|
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
list->accounting->last = remove_list->prev;
|
|
|
|
}
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
_eina_list_mempool_list_free(remove_list);
|
2008-07-30 05:46:55 -07:00
|
|
|
return return_l;
|
|
|
|
}
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Free an entire list and all the nodes, ignoring the data contained.
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
* @param list The list to free
|
|
|
|
* @return A NULL pointer
|
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function frees all the nodes of @p list. It does not free the
|
2008-10-21 05:49:29 -07:00
|
|
|
* data of the nodes. To free them, use #EINA_LIST_FOREACH.
|
2008-08-27 23:31:18 -07:00
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_free(Eina_List *list)
|
|
|
|
{
|
|
|
|
Eina_List *l, *free_l;
|
|
|
|
|
|
|
|
if (!list) return NULL;
|
2008-09-25 07:46:16 -07:00
|
|
|
|
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
for (l = list; l;)
|
|
|
|
{
|
|
|
|
free_l = l;
|
|
|
|
l = l->next;
|
|
|
|
|
|
|
|
_eina_list_mempool_list_free(free_l);
|
|
|
|
}
|
2008-09-25 07:46:16 -07:00
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Move the specified data to the head of the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list handle to move the data.
|
|
|
|
* @param move_list The list node to move.
|
2008-07-30 05:46:55 -07:00
|
|
|
* @return A new list handle to replace the old one
|
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function move @p move_list to the front of @p list. If list is
|
|
|
|
* @c NULL, @c NULL is returned. If @p move_list is @c NULL,
|
|
|
|
* @p list is returned. Otherwise, a new list pointer that should be
|
|
|
|
* used in place of the one passed to this function.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* Example:
|
|
|
|
* @code
|
|
|
|
* extern Eina_List *list;
|
|
|
|
* Eina_List *l;
|
|
|
|
* extern void *my_data;
|
2008-09-25 07:46:16 -07:00
|
|
|
* void *data;
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-10-21 05:49:29 -07:00
|
|
|
* EINA_LIST_FOREACH(list, l, data)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
2008-09-25 07:46:16 -07:00
|
|
|
* if (data == my_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* list = eina_list_promote_list(list, l);
|
|
|
|
* break;
|
|
|
|
* }
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_promote_list(Eina_List *list, Eina_List *move_list)
|
|
|
|
{
|
|
|
|
if (!list) return NULL;
|
|
|
|
if (!move_list) return list;
|
2008-08-07 06:09:09 -07:00
|
|
|
/* Promoting head to be head. */
|
2008-07-30 05:46:55 -07:00
|
|
|
if (move_list == list) return list;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
EINA_MAGIC_CHECK_LIST(move_list);
|
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
/* Update pointer to the last entry if necessary. */
|
2008-07-30 05:46:55 -07:00
|
|
|
if (move_list == list->accounting->last)
|
|
|
|
list->accounting->last = move_list->prev;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
|
|
|
/* Remove the promoted item from the list. */
|
|
|
|
if (move_list->next) move_list->next->prev = move_list->prev;
|
|
|
|
if (move_list->prev) move_list->prev->next = move_list->next;
|
|
|
|
else list = move_list->next;
|
|
|
|
|
|
|
|
move_list->prev = list->prev;
|
|
|
|
if (list->prev)
|
|
|
|
list->prev->next = move_list;
|
|
|
|
list->prev = move_list;
|
|
|
|
move_list->next = list;
|
2008-07-30 05:46:55 -07:00
|
|
|
return move_list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Find a member of a list and return the member.
|
|
|
|
*
|
|
|
|
* @param list The list to search for a data.
|
|
|
|
* @param data The data pointer to find in the list.
|
|
|
|
* @return The found member data pointer if foun, @c NULL otherwise.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function searches in @p list from beginning to end for the
|
|
|
|
* first member whose data pointer is @p data. If it is found, @p data
|
2008-07-30 05:46:55 -07:00
|
|
|
* will be returned, otherwise NULL will be returned.
|
|
|
|
*
|
|
|
|
* Example:
|
|
|
|
* @code
|
|
|
|
* extern Eina_List *list;
|
|
|
|
* extern void *my_data;
|
|
|
|
*
|
2008-09-25 07:46:16 -07:00
|
|
|
* if (eina_list_data_find(list, my_data) == my_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
|
|
|
* printf("Found member %p\n", my_data);
|
|
|
|
* }
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI void *
|
2008-09-25 07:46:16 -07:00
|
|
|
eina_list_data_find(const Eina_List *list, const void *data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-25 07:46:16 -07:00
|
|
|
if (eina_list_data_find_list(list, data)) return (void*) data;
|
2008-07-30 05:46:55 -07:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Find a member of a list and return the list node containing that member.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list to search for data.
|
|
|
|
* @param data The data pointer to find in the list.
|
|
|
|
* @return The found members list node on success, @c NULL otherwise.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function searches in @p list from beginning to end for the
|
|
|
|
* first member whose data pointer is @p data. If it is found, the
|
|
|
|
* list node containing the specified member is returned, otherwise
|
|
|
|
* @c NULL is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
2008-09-25 07:46:16 -07:00
|
|
|
eina_list_data_find_list(const Eina_List *list, const void *data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
|
|
|
const Eina_List *l;
|
2008-09-25 07:46:16 -07:00
|
|
|
void *list_data;
|
|
|
|
|
|
|
|
if (list) EINA_MAGIC_CHECK_LIST(list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-10-21 05:49:29 -07:00
|
|
|
EINA_LIST_FOREACH(list, l, list_data)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-25 07:46:16 -07:00
|
|
|
if (list_data == data) return (Eina_List *)l;
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-09-25 07:46:16 -07:00
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the nth member's data pointer in a list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list to get the specified member number from.
|
|
|
|
* @param n The number of the element (0 being the first).
|
|
|
|
* @return The data pointer stored in the specified element.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns the data pointer of element number @p n, in
|
|
|
|
* the @p list. The first element in the array is element number 0. If
|
|
|
|
* the element number @p n does not exist, @c NULL is
|
|
|
|
* returned. Otherwise, the data of the found element is returned.
|
2008-08-27 23:31:18 -07:00
|
|
|
*/
|
|
|
|
EAPI void *
|
|
|
|
eina_list_nth(const Eina_List *list, unsigned int n)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
|
|
|
|
|
|
|
l = eina_list_nth_list(list, n);
|
|
|
|
return l ? l->data : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the nth member's list node in a list.
|
|
|
|
*
|
|
|
|
* @param list The list to get the specfied member number from.
|
|
|
|
* @param n The number of the element (0 being the first).
|
|
|
|
* @return The list node stored in the numbered element.
|
|
|
|
*
|
|
|
|
* This function returns the list node of element number @p n, in
|
|
|
|
* @ list. The first element in the array is element number 0. If the
|
|
|
|
* element number @p n does not exist or @p list is @c NULL or @p n is
|
|
|
|
* greater than the count of elements in @p list minus 1, @c NULL is
|
|
|
|
* returned. Otherwise the list node stored in the numbered element is
|
|
|
|
* returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
2008-08-27 23:31:18 -07:00
|
|
|
eina_list_nth_list(const Eina_List *list, unsigned int n)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-08-27 23:31:18 -07:00
|
|
|
const Eina_List *l;
|
|
|
|
unsigned int i;
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
if (list) EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/* check for non-existing nodes */
|
|
|
|
if ((!list) || (n > (list->accounting->count - 1)))
|
|
|
|
return NULL;
|
2008-08-07 06:09:09 -07:00
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/* if the node is in the 2nd half of the list, search from the end
|
|
|
|
* else, search from the beginning.
|
|
|
|
*/
|
|
|
|
if (n > (list->accounting->count / 2))
|
|
|
|
{
|
|
|
|
for (i = list->accounting->count - 1,
|
|
|
|
l = list->accounting->last;
|
|
|
|
l;
|
|
|
|
l = l->prev, i--)
|
|
|
|
{
|
|
|
|
if (i == n) return (Eina_List *)l;
|
|
|
|
}
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-08-27 23:31:18 -07:00
|
|
|
else
|
|
|
|
{
|
|
|
|
for (i = 0, l = list; l; l = l->next, i++)
|
|
|
|
{
|
|
|
|
if (i == n) return (Eina_List *)l;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
abort();
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the last list node in the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list to get the last list node from.
|
|
|
|
* @return The last list node in the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns the last list node in the list. If @p list is
|
|
|
|
* @c NULL or empty, @c NULL is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This is a order-1 operation (it takes the same short time
|
|
|
|
* regardless of the length of the list).
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-08-08 07:20:11 -07:00
|
|
|
static inline Eina_List *eina_list_last(const Eina_List *list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the next list node after the specified list node.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list node to get the next list node from
|
|
|
|
* @return The next list node on success, @c NULL otherwise.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns the next list node after the current one in
|
|
|
|
* @p list. It is equivalent to list->next. If @p list is @c NULL or
|
|
|
|
* if no next list node exists, it returns @c NULL.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-08-08 07:20:11 -07:00
|
|
|
static inline Eina_List *eina_list_next(const Eina_List *list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the previous list node before the specified list node.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list node to get the previous list node from.
|
|
|
|
* @return The previous list node o success, @c NULL otherwise.
|
|
|
|
* if no previous list node exists
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns the previous list node before the current one
|
|
|
|
* in @p list. It is equivalent to list->prev. If @p list is @c NULL or
|
|
|
|
* if no previous list node exists, it returns @c NULL.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-08-08 07:20:11 -07:00
|
|
|
static inline Eina_List *eina_list_prev(const Eina_List *list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the list node data member.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list node to get the data member of.
|
|
|
|
* @return The data member from the list node.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns the data member of the specified list node @p
|
|
|
|
* list. It is equivalent to list->data. If @p list is @c NULL, this
|
|
|
|
* function returns @c NULL.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-09-25 07:46:16 -07:00
|
|
|
static inline void *eina_list_data_get(const Eina_List *list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Get the count of the number of items in a list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list whose count to return.
|
|
|
|
* @return The number of members in the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function returns how many members @p list contains. If the
|
|
|
|
* list is @c NULL, 0 is returned.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* NB: This is an order-1 operation and takes the same tiem regardless
|
|
|
|
* of the length of the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
2008-08-13 02:19:34 -07:00
|
|
|
static inline unsigned int eina_list_count(const Eina_List *list);
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Reverse all the elements in the list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* @param list The list to reverse.
|
|
|
|
* @return The list after it has been reversed.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function reverses the order of all elements in @p list, so the
|
|
|
|
* last member is now first, and so on. If @p list is @c NULL, this
|
|
|
|
* functon returns @c NULL.
|
2008-07-30 05:46:55 -07:00
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_reverse(Eina_List *list)
|
|
|
|
{
|
|
|
|
Eina_List *l1, *l2;
|
|
|
|
|
|
|
|
if (!list) return NULL;
|
2008-09-25 07:46:16 -07:00
|
|
|
|
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
l1 = list;
|
|
|
|
l2 = list->accounting->last;
|
|
|
|
while (l1 != l2)
|
|
|
|
{
|
|
|
|
void *data;
|
|
|
|
|
|
|
|
data = l1->data;
|
|
|
|
l1->data = l2->data;
|
|
|
|
l2->data = data;
|
|
|
|
l1 = l1->next;
|
|
|
|
if (l1 == l2) break;
|
|
|
|
l2 = l2->prev;
|
|
|
|
}
|
|
|
|
|
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-09-22 22:17:49 -07:00
|
|
|
* @brief Sort a list according to the ordering func will return.
|
|
|
|
*
|
|
|
|
* @param list The list handle to sort.
|
|
|
|
* @param size The length of the list to sort.
|
2008-07-30 05:46:55 -07:00
|
|
|
* @param func A function pointer that can handle comparing the list data
|
2008-09-22 22:17:49 -07:00
|
|
|
* nodes.
|
|
|
|
* @return A new sorted list.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
2008-09-22 22:17:49 -07:00
|
|
|
* This function sorts @p list. @p size if the number of the first
|
|
|
|
* element to sort. If @p size is 0 or greater than the number of
|
|
|
|
* elements in @p list, all the elemnts are sorted. @p func is used to
|
|
|
|
* compare two elements of @p list. If @p list or @p func are @c NULL,
|
|
|
|
* this function returns @c NULL.
|
2008-07-30 05:46:55 -07:00
|
|
|
*
|
|
|
|
* Example:
|
|
|
|
* @code
|
|
|
|
* int
|
2008-10-23 17:37:09 -07:00
|
|
|
* sort_cb(const void *d1, const void *d2)
|
2008-07-30 05:46:55 -07:00
|
|
|
* {
|
2008-10-23 17:37:09 -07:00
|
|
|
* const char *txt = NULL;
|
2008-07-30 05:46:55 -07:00
|
|
|
* const char *txt2 = NULL;
|
|
|
|
*
|
|
|
|
* if(!d1) return(1);
|
|
|
|
* if(!d2) return(-1);
|
|
|
|
*
|
|
|
|
* return(strcmp((const char*)d1, (const char*)d2));
|
|
|
|
* }
|
|
|
|
* extern Eina_List *list;
|
|
|
|
*
|
|
|
|
* list = eina_list_sort(list, eina_list_count(list), sort_cb);
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
2008-09-25 05:41:49 -07:00
|
|
|
eina_list_sort(Eina_List *list, unsigned int size, Eina_Compare_Cb func)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-26 06:45:30 -07:00
|
|
|
unsigned int i = 0;
|
|
|
|
unsigned int n = 0;
|
|
|
|
Eina_List *tail = list;
|
2008-09-30 07:16:18 -07:00
|
|
|
Eina_List *unsort = NULL;
|
2008-09-26 06:45:30 -07:00
|
|
|
Eina_List *stack[EINA_LIST_SORT_STACK_SIZE];
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-08-07 06:09:09 -07:00
|
|
|
if (!list || !func) return NULL;
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_CHECK_LIST(list);
|
|
|
|
|
2008-07-30 05:46:55 -07:00
|
|
|
/* if the caller specified an invalid size, sort the whole list */
|
2008-08-13 02:19:34 -07:00
|
|
|
if ((size == 0) ||
|
2008-07-30 05:46:55 -07:00
|
|
|
(size > list->accounting->count))
|
|
|
|
size = list->accounting->count;
|
|
|
|
|
2008-09-30 07:16:18 -07:00
|
|
|
if (size != list->accounting->count)
|
2008-09-26 06:45:30 -07:00
|
|
|
{
|
2008-09-30 07:16:18 -07:00
|
|
|
unsort = eina_list_nth_list(list, size);
|
|
|
|
if (unsort)
|
|
|
|
unsort->prev->next = NULL;
|
2008-09-26 06:45:30 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
while (tail)
|
2008-07-30 05:46:55 -07:00
|
|
|
{
|
2008-09-26 06:45:30 -07:00
|
|
|
unsigned int idx, tmp;
|
2008-09-30 07:16:18 -07:00
|
|
|
|
2008-09-26 06:45:30 -07:00
|
|
|
Eina_List *a = tail;
|
|
|
|
Eina_List *b = tail->next;
|
|
|
|
|
|
|
|
if (!b)
|
|
|
|
{
|
|
|
|
stack[i++] = a;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
tail = b->next;
|
2008-09-30 07:16:18 -07:00
|
|
|
|
2008-09-26 06:45:30 -07:00
|
|
|
if (func(a->data, b->data) < 0)
|
|
|
|
((stack[i++] = a)->next = b)->next = 0;
|
|
|
|
else
|
|
|
|
((stack[i++] = b)->next = a)->next = 0;
|
|
|
|
|
|
|
|
tmp = n++;
|
|
|
|
for (idx = n ^ tmp; idx &= idx - 1; i--)
|
|
|
|
stack[i-2] = eina_list_sort_merge(stack[i-2], stack[i-1], func);
|
|
|
|
}
|
2008-07-30 05:46:55 -07:00
|
|
|
|
2008-09-26 06:45:30 -07:00
|
|
|
while (i-- > 1)
|
|
|
|
stack[i-1] = eina_list_sort_merge(stack[i-1], stack[i], func);
|
2008-09-30 07:16:18 -07:00
|
|
|
|
2008-09-26 06:45:30 -07:00
|
|
|
list = stack[0];
|
2008-10-01 09:30:30 -07:00
|
|
|
tail = eina_list_sort_rebuild_prev(list);
|
2008-09-26 06:45:30 -07:00
|
|
|
|
|
|
|
if (unsort)
|
|
|
|
{
|
|
|
|
tail->next = unsort;
|
|
|
|
unsort->prev = tail;
|
2008-07-30 05:46:55 -07:00
|
|
|
}
|
2008-09-26 06:45:30 -07:00
|
|
|
else
|
|
|
|
list->accounting->last = tail;
|
2008-07-30 05:46:55 -07:00
|
|
|
|
|
|
|
return list;
|
|
|
|
}
|
2008-08-13 02:19:34 -07:00
|
|
|
|
2008-10-21 04:28:38 -07:00
|
|
|
/**
|
|
|
|
* @brief Merge two list.
|
|
|
|
*
|
|
|
|
* @param left Head list to merge.
|
|
|
|
* @param right Tail list to merge.
|
|
|
|
* @return A new merged list.
|
|
|
|
*
|
|
|
|
* This function put right at the end of left and return the head.
|
|
|
|
*
|
|
|
|
* Both left and right does not exist anymore after the merge.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_merge(Eina_List *left, Eina_List *right)
|
|
|
|
{
|
|
|
|
if (!left) return right;
|
|
|
|
if (!right) return left;
|
|
|
|
|
|
|
|
left->accounting->last->next = right;
|
|
|
|
right->prev = left->accounting->last;
|
|
|
|
|
|
|
|
left->accounting->last = right->accounting->last;
|
|
|
|
left->accounting->count += right->accounting->count;
|
|
|
|
|
|
|
|
_eina_list_mempool_accounting_free(right->accounting);
|
|
|
|
|
|
|
|
while (right)
|
|
|
|
{
|
|
|
|
right->accounting = left->accounting;
|
|
|
|
right = right->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
return left;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief Merge two sorted list according to the ordering func will return.
|
|
|
|
*
|
|
|
|
* @param left First list to merge.
|
|
|
|
* @param right Second list to merge.
|
|
|
|
* @param func A function pointer that can handle comparing the list data
|
|
|
|
* nodes.
|
|
|
|
* @return A new sorted list.
|
|
|
|
*
|
|
|
|
* This function compare the head of @p left and @p right, and choose the
|
|
|
|
* smallest one to be head of the returned list. It will continue this process
|
|
|
|
* for all entry of both list.
|
|
|
|
*
|
|
|
|
* Both left and right does not exist anymore after the merge.
|
|
|
|
* If @p func is NULL, it will return NULL.
|
|
|
|
*
|
|
|
|
* Example:
|
|
|
|
* @code
|
|
|
|
* int
|
|
|
|
* sort_cb(void *d1, void *d2)
|
|
|
|
* {
|
|
|
|
* const char *txt = NULL;
|
|
|
|
* const char *txt2 = NULL;
|
|
|
|
*
|
|
|
|
* if(!d1) return(1);
|
|
|
|
* if(!d2) return(-1);
|
|
|
|
*
|
|
|
|
* return(strcmp((const char*)d1, (const char*)d2));
|
|
|
|
* }
|
|
|
|
* extern Eina_List *sorted1;
|
|
|
|
* extern Eina_List *sorted2;
|
|
|
|
*
|
|
|
|
* list = eina_list_sorted_merge(sorted1, sorted2, sort_cb);
|
|
|
|
* @endcode
|
|
|
|
*/
|
|
|
|
EAPI Eina_List *
|
|
|
|
eina_list_sorted_merge(Eina_List *left, Eina_List *right, Eina_Compare_Cb func)
|
|
|
|
{
|
|
|
|
Eina_List *ret;
|
|
|
|
Eina_List *current;
|
|
|
|
|
|
|
|
if (!left) return right;
|
|
|
|
if (!right) return left;
|
|
|
|
if (!func) return NULL;
|
|
|
|
|
|
|
|
if (func(left->data, right->data) < 0)
|
|
|
|
{
|
|
|
|
ret = left;
|
|
|
|
current = left;
|
|
|
|
left = left->next;
|
|
|
|
ret->accounting->count += right->accounting->count;
|
|
|
|
|
|
|
|
_eina_list_mempool_accounting_free(right->accounting);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ret = right;
|
|
|
|
current = right;
|
|
|
|
right = right->next;
|
|
|
|
ret->accounting->count += left->accounting->count;
|
|
|
|
|
|
|
|
_eina_list_mempool_accounting_free(left->accounting);
|
|
|
|
}
|
|
|
|
|
|
|
|
while (left && right)
|
|
|
|
{
|
|
|
|
if (func(left->data, right->data) < 0)
|
|
|
|
{
|
|
|
|
current->next = left;
|
|
|
|
left->prev = current;
|
|
|
|
left = left->next;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
current->next = right;
|
|
|
|
right->prev = current;
|
|
|
|
right = right->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
current = current->next;
|
|
|
|
current->accounting = ret->accounting;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (left)
|
|
|
|
{
|
|
|
|
current->next = left;
|
|
|
|
left->prev = current;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (right)
|
|
|
|
{
|
|
|
|
current->next = right;
|
|
|
|
right->prev = current;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (current->next)
|
|
|
|
{
|
|
|
|
current->accounting = ret->accounting;
|
|
|
|
current = current->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret->accounting->last = current;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2008-09-22 22:17:49 -07:00
|
|
|
/**
|
|
|
|
* @brief Returned a new iterator asociated to a list.
|
|
|
|
*
|
|
|
|
* @param list The list.
|
|
|
|
* @return A new iterator.
|
|
|
|
*
|
|
|
|
* This function returns a newly allocated iterator associated to
|
|
|
|
* @p list. If @p list is @c NULL or the count member of @p list is
|
|
|
|
* less or equal than 0, this function returns NULL. If the memory can
|
|
|
|
* not be allocated, NULL is returned and #EINA_ERROR_OUT_OF_MEMORY is
|
|
|
|
* set. Otherwise, a valid iterator is returned.
|
|
|
|
*/
|
2008-08-13 02:19:34 -07:00
|
|
|
EAPI Eina_Iterator *
|
|
|
|
eina_list_iterator_new(const Eina_List *list)
|
|
|
|
{
|
|
|
|
Eina_Iterator_List *it;
|
|
|
|
|
|
|
|
if (!list) return NULL;
|
|
|
|
|
|
|
|
eina_error_set(0);
|
|
|
|
it = calloc(1, sizeof (Eina_Iterator_List));
|
|
|
|
if (!it) {
|
|
|
|
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_SET(it, EINA_MAGIC_LIST_ITERATOR);
|
|
|
|
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
|
|
|
|
|
2008-08-13 02:19:34 -07:00
|
|
|
it->head = list;
|
|
|
|
it->current = list;
|
|
|
|
|
|
|
|
it->iterator.next = FUNC_ITERATOR_NEXT(eina_list_iterator_next);
|
|
|
|
it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(eina_list_iterator_get_container);
|
|
|
|
it->iterator.free = FUNC_ITERATOR_FREE(eina_list_iterator_free);
|
|
|
|
|
|
|
|
return &it->iterator;
|
|
|
|
}
|
|
|
|
|
2008-09-22 22:17:49 -07:00
|
|
|
/**
|
|
|
|
* @brief Returned a new accessor asociated to a list.
|
|
|
|
*
|
|
|
|
* @param list The list.
|
|
|
|
* @return A new accessor.
|
|
|
|
*
|
|
|
|
* This function returns a newly allocated accessor associated to
|
|
|
|
* @p list. If @p list is @c NULL or the count member of @p list is
|
|
|
|
* less or equal than 0, this function returns NULL. If the memory can
|
|
|
|
* not be allocated, NULL is returned and #EINA_ERROR_OUT_OF_MEMORY is
|
|
|
|
* set. Otherwise, a valid accessor is returned.
|
|
|
|
*/
|
2008-08-13 02:19:34 -07:00
|
|
|
EAPI Eina_Accessor *
|
|
|
|
eina_list_accessor_new(const Eina_List *list)
|
|
|
|
{
|
|
|
|
Eina_Accessor_List *it;
|
|
|
|
|
|
|
|
if (!list) return NULL;
|
|
|
|
|
|
|
|
eina_error_set(0);
|
|
|
|
it = calloc(1, sizeof (Eina_Accessor_List));
|
|
|
|
if (!it) {
|
|
|
|
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-09-25 07:46:16 -07:00
|
|
|
EINA_MAGIC_SET(it, EINA_MAGIC_LIST_ACCESSOR);
|
|
|
|
EINA_MAGIC_SET(&it->accessor, EINA_MAGIC_ACCESSOR);
|
|
|
|
|
2008-08-13 02:19:34 -07:00
|
|
|
it->head = list;
|
|
|
|
it->current = list;
|
|
|
|
it->index = 0;
|
|
|
|
|
|
|
|
it->accessor.get_at = FUNC_ACCESSOR_GET_AT(eina_list_accessor_get_at);
|
|
|
|
it->accessor.get_container = FUNC_ACCESSOR_GET_CONTAINER(eina_list_accessor_get_container);
|
|
|
|
it->accessor.free = FUNC_ACCESSOR_FREE(eina_list_accessor_free);
|
|
|
|
|
|
|
|
return &it->accessor;
|
|
|
|
}
|
|
|
|
|
2008-08-27 23:31:18 -07:00
|
|
|
/**
|
|
|
|
* @}
|
|
|
|
*/
|