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/* this file is part of GEGL
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*
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* Datafiles module copyight (C) 1996 Federico Mena Quintero
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* federico@nuclecu.unam.mx
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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 3 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 GEGL; if not, see <http://www.gnu.org/licenses/>.
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*
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* Datafiles module copyight (C) 1996 Federico Mena Quintero
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* federico@nuclecu.unam.mx
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*/
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#include "config.h"
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#include <string.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <glib-object.h>
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#include <glib/gstdio.h>
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#ifdef G_OS_WIN32
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#ifndef S_ISREG
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#define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
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#endif
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#ifndef S_ISDIR
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#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
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#endif
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#ifndef S_IXUSR
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#define S_IXUSR _S_IEXEC
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#endif
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#endif
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/*
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#include "geglbasetypes.h"*/
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#include "gegldatafiles.h"
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gboolean
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gegl_datafiles_check_extension (const gchar *filename,
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const gchar *extension)
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{
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gint name_len;
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gint ext_len;
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g_return_val_if_fail (filename != NULL, FALSE);
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g_return_val_if_fail (extension != NULL, FALSE);
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name_len = strlen (filename);
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ext_len = strlen (extension);
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if (! (name_len && ext_len && (name_len > ext_len)))
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return FALSE;
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return (g_ascii_strcasecmp (&filename[name_len - ext_len], extension) == 0);
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}
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/**
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* gegl_path_parse:
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* @path: A list of directories separated by #G_SEARCHPATH_SEPARATOR.
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* @max_paths: The maximum number of directories to return.
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* @check: %TRUE if you want the directories to be checked.
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* @check_failed: Returns a #GList of path elements for which the
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* check failed.
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*
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* Returns: A #GList of all directories in @path.
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**/
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static GList *
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gegl_path_parse (const gchar *path,
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gint max_paths,
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gboolean check,
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GList **check_failed)
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{
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const gchar *home;
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gchar **patharray;
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GList *list = NULL;
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GList *fail_list = NULL;
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gint i;
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gboolean exists = TRUE;
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if (!path || !*path || max_paths < 1 || max_paths > 256)
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return NULL;
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home = g_get_home_dir ();
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patharray = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, max_paths);
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for (i = 0; i < max_paths; i++)
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{
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GString *dir;
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if (! patharray[i])
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break;
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#ifndef G_OS_WIN32
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if (*patharray[i] == '~')
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{
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dir = g_string_new (home);
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g_string_append (dir, patharray[i] + 1);
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}
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else
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#endif
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{
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dir = g_string_new (patharray[i]);
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}
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if (check)
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exists = g_file_test (dir->str, G_FILE_TEST_IS_DIR);
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if (exists)
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list = g_list_prepend (list, g_strdup (dir->str));
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else if (check_failed)
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fail_list = g_list_prepend (fail_list, g_strdup (dir->str));
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g_string_free (dir, TRUE);
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}
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g_strfreev (patharray);
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list = g_list_reverse (list);
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if (check && check_failed)
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{
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fail_list = g_list_reverse (fail_list);
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*check_failed = fail_list;
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}
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return list;
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}
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/**
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* gegl_path_free:
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* @path: A list of directories as returned by gegl_path_parse().
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*
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* This function frees the memory allocated for the list and the strings
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* it contains.
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**/
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static void
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gegl_path_free (GList *path)
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{
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g_list_foreach (path, (GFunc) g_free, NULL);
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g_list_free (path);
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}
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void
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gegl_datafiles_read_directories (const gchar *path_str,
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GFileTest flags,
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GeglDatafileLoaderFunc loader_func,
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gpointer user_data)
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{
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GeglDatafileData file_data;
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struct stat filestat;
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gchar *local_path;
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GList *path;
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GList *list;
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gchar *filename;
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gint err;
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GDir *dir;
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const gchar *dir_ent;
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g_return_if_fail (path_str != NULL);
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g_return_if_fail (loader_func != NULL);
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local_path = g_strdup (path_str);
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path = gegl_path_parse (local_path, 16, TRUE, NULL);
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for (list = path; list; list = g_list_next (list))
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{
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const gchar *dirname = list->data;
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dir = g_dir_open (dirname, 0, NULL);
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if (dir)
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{
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while ((dir_ent = g_dir_read_name (dir)))
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{
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filename = g_build_filename (dirname, dir_ent, NULL);
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err = g_stat (filename, &filestat);
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file_data.filename = filename;
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file_data.dirname = dirname;
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file_data.basename = dir_ent;
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file_data.atime = filestat.st_atime;
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file_data.mtime = filestat.st_mtime;
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file_data.ctime = filestat.st_ctime;
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if (! err)
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{
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if (/*(flags & G_FILE_TEST_IS_DIR) &&*/
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S_ISDIR (filestat.st_mode))
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{
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gegl_datafiles_read_directories (filename,
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flags,
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loader_func,
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user_data);
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}
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else if (flags & G_FILE_TEST_EXISTS)
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{
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(* loader_func) (&file_data, user_data);
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}
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else if ((flags & G_FILE_TEST_IS_REGULAR) &&
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S_ISREG (filestat.st_mode))
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{
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(* loader_func) (&file_data, user_data);
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}
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#ifndef G_OS_WIN32
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else if ((flags & G_FILE_TEST_IS_SYMLINK) &&
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S_ISLNK (filestat.st_mode))
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{
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(* loader_func) (&file_data, user_data);
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}
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#endif
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else if ((flags & G_FILE_TEST_IS_EXECUTABLE) &&
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(((filestat.st_mode & S_IXUSR) &&
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!S_ISDIR (filestat.st_mode)) ||
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(S_ISREG (filestat.st_mode) /*&&
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is_script (filename)*/)))
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{
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(* loader_func) (&file_data, user_data);
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}
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}
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g_free (filename);
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}
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g_dir_close (dir);
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}
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}
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gegl_path_free (path);
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g_free (local_path);
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}
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