2011-05-03 06:07:26 -07:00
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/* EIO - EFL data type library
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* Copyright (C) 2011 Enlightenment Developers:
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* Cedric Bail <cedric.bail@free.fr>
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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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#include "eio_private.h"
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#include "Eio.h"
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#ifdef HAVE_XATTR
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# include <sys/xattr.h>
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#endif
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/*============================================================================*
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* Local *
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*============================================================================*/
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/**
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* @cond LOCAL
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*/
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static void
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_eio_ls_xattr_heavy(void *data, Ecore_Thread *thread)
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{
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Eio_File_Char_Ls *async = data;
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2011-09-16 04:14:57 -07:00
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Eina_Iterator *it;
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const char *tmp;
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2011-05-03 06:07:26 -07:00
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2011-09-16 04:14:57 -07:00
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it = eina_xattr_ls(async->ls.directory);
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if (!it) return ;
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2011-05-03 06:07:26 -07:00
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2011-09-16 04:14:57 -07:00
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EINA_ITERATOR_FOREACH(it, tmp)
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2011-05-03 06:07:26 -07:00
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{
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Eina_Bool filter = EINA_TRUE;
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if (async->filter_cb)
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{
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filter = async->filter_cb((void*) async->ls.common.data,
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&async->ls.common,
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2011-09-16 04:14:57 -07:00
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tmp);
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2011-05-03 06:07:26 -07:00
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}
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2011-09-16 04:14:57 -07:00
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if (filter) ecore_thread_feedback(thread, eina_stringshare_add(tmp));
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2011-05-03 06:07:26 -07:00
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if (ecore_thread_check(thread))
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break;
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}
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2011-09-16 04:14:57 -07:00
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eina_iterator_free(it);
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2011-05-03 06:07:26 -07:00
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}
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static void
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_eio_ls_xattr_notify(void *data, Ecore_Thread *thread __UNUSED__, void *msg_data)
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{
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Eio_File_Char_Ls *async = data;
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const char *xattr = msg_data;
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async->main_cb((void*) async->ls.common.data, &async->ls.common, xattr);
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}
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2011-06-29 10:28:55 -07:00
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static void
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_eio_file_xattr_get(void *data, Ecore_Thread *thread)
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{
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Eio_File_Xattr *async = data;
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async->xattr_size = 0;
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async->xattr_data = NULL;
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2011-09-16 04:14:57 -07:00
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async->xattr_data = eina_xattr_get(async->path, async->attribute, &async->xattr_size);
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if (!async->xattr_data)
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2011-06-29 10:28:55 -07:00
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ecore_thread_cancel(thread);
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}
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static void
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_eio_file_xattr_free(Eio_File_Xattr *async)
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{
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eina_stringshare_del(async->path);
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eina_stringshare_del(async->attribute);
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free(async->xattr_data);
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free(async);
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}
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static void
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_eio_file_xattr_get_done(void *data, Ecore_Thread *thread __UNUSED__)
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{
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Eio_File_Xattr *async = data;
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if (async->done_cb)
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async->done_cb((void *) async->common.data, &async->common, async->xattr_data, async->xattr_size);
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_eio_file_xattr_free(async);
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}
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static void
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_eio_file_xattr_get_error(void *data, Ecore_Thread *thread __UNUSED__)
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{
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Eio_File_Xattr *async = data;
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eio_file_error(&async->common);
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_eio_file_xattr_free(async);
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}
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static void
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_eio_file_xattr_set(void *data, Ecore_Thread *thread)
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{
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Eio_File_Xattr *async = data;
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2011-09-16 04:14:57 -07:00
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if (eina_xattr_set(async->path, async->attribute, async->xattr_data, async->xattr_size, async->flags))
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2011-06-29 10:28:55 -07:00
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eio_file_thread_error(&async->common, thread);
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async->xattr_data = NULL;
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}
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static void
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_eio_file_xattr_set_done(void *data, Ecore_Thread *thread __UNUSED__)
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{
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Eio_File_Xattr *async = data;
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if (async->common.done_cb)
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async->common.done_cb((void*) async->common.data, &async->common);
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_eio_file_xattr_free(async);
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}
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static void
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_eio_file_xattr_set_error(void *data, Ecore_Thread *thread __UNUSED__)
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{
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Eio_File_Xattr *async = data;
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eio_file_error(&async->common);
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_eio_file_xattr_free(async);
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}
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2011-05-03 06:07:26 -07:00
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/**
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* @endcond
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*/
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/*============================================================================*
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* Global *
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*============================================================================*/
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/**
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* @cond LOCAL
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*/
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/**
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* @endcond
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*/
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/*============================================================================*
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* API *
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*============================================================================*/
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/**
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* @addtogroup Eio_Group Eio Reference API
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*
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* @{
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*/
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EAPI Eio_File *
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eio_file_xattr(const char *path,
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Eio_Filter_Cb filter_cb,
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Eio_Main_Cb main_cb,
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Eio_Done_Cb done_cb,
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Eio_Error_Cb error_cb,
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const void *data)
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{
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Eio_File_Char_Ls *async;
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EINA_SAFETY_ON_NULL_RETURN_VAL(path, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(main_cb, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(done_cb, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(error_cb, NULL);
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async = malloc(sizeof (Eio_File_Char_Ls));
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EINA_SAFETY_ON_NULL_RETURN_VAL(async, NULL);
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async->filter_cb = filter_cb;
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async->main_cb = main_cb;
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async->ls.directory = eina_stringshare_add(path);
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if (!eio_long_file_set(&async->ls.common,
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done_cb,
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error_cb,
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data,
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_eio_ls_xattr_heavy,
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_eio_ls_xattr_notify,
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eio_async_end,
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eio_async_error))
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return NULL;
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return &async->ls.common;
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}
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2011-06-29 10:28:55 -07:00
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/**
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* @brief Retrieve the extended attribute of a file/directory.
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* @param path The path to retrieve the extended attribute from.
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* @param attribute The name of the attribute to retrieve.
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* @param done_cb Callback called from the main loop when getxattr succeeded.
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* @param error_cb Callback called from the main loop when getxattr failed or has been canceled.
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* @param data Private data given to callback.
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* @return A reference to the IO operation.
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*
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* eio_file_xattr_get call getxattr from another thread. This prevent lock in your apps.
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*/
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EAPI Eio_File *
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eio_file_xattr_get(const char *path,
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const char *attribute,
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Eio_Done_Length_Cb done_cb,
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Eio_Error_Cb error_cb,
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const void *data)
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{
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Eio_File_Xattr *async;
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if (!path || !attribute || !done_cb || !error_cb)
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return NULL;
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async = malloc(sizeof (Eio_File_Xattr));
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if (!async) return NULL;
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async->path = eina_stringshare_add(path);
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async->attribute = eina_stringshare_add(attribute);
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async->done_cb = done_cb;
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if (!eio_file_set(&async->common,
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NULL,
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error_cb,
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data,
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_eio_file_xattr_get,
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_eio_file_xattr_get_done,
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_eio_file_xattr_get_error))
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return NULL;
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return &async->common;
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}
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/**
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* @brief Define the extented attribute on a file/directory.
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* @param path The path to set the attribute on.
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* @param attribute The name of the attribute to define.
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* @param xattr_data The data to link the attribute with.
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* @param xattr_size The size of the data to set.
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* @param done_cb The callback called from the main loop when setxattr succeeded.
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* @param error_cb The callback called from the main loop when setxattr failed.
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* @param data Private data given to callback.
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* @return A reference to the IO operation.
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*
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* eio_file_xattr_set call setxattr from another thread. This prevent lock in your apps. If
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* the writing succeeded, the done_cb will be called even if a cancel was requested, but came to late.
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*/
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EAPI Eio_File *
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eio_file_xattr_set(const char *path,
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const char *attribute,
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const char *xattr_data,
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unsigned int xattr_size,
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2011-09-16 04:14:57 -07:00
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Eina_Xattr_Flags flags,
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2011-06-29 10:28:55 -07:00
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Eio_Done_Cb done_cb,
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Eio_Error_Cb error_cb,
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const void *data)
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{
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Eio_File_Xattr *async;
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if (!path || !attribute || !done_cb || !xattr_data || !xattr_size || !error_cb)
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return NULL;
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async = malloc(sizeof (Eio_File_Xattr) + xattr_size);
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if (!async) return NULL;
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async->path = eina_stringshare_add(path);
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async->attribute = eina_stringshare_add(attribute);
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async->xattr_size = xattr_size;
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async->xattr_data = (char*) (async + 1);
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memcpy(async->xattr_data, xattr_data, xattr_size);
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2011-09-16 04:14:57 -07:00
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async->flags = flags;
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2011-06-29 10:28:55 -07:00
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if (!eio_file_set(&async->common,
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done_cb,
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error_cb,
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data,
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_eio_file_xattr_set,
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_eio_file_xattr_set_done,
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_eio_file_xattr_set_error))
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return NULL;
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return &async->common;
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}
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2011-05-03 06:07:26 -07:00
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/**
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* @}
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*/
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