238 lines
6.1 KiB
C
238 lines
6.1 KiB
C
/* vim: set sw=4 ts=4 sts=4 et: */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <time.h>
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#include <Ecore_File.h>
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#include "Efreet.h"
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#include "Efreet_Trash.h"
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#include "efreet_private.h"
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static unsigned int _efreet_trash_init_count = 0;
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static const char *efreet_trash_dir = NULL;
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/* define macros and variable for using the eina logging system */
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#ifdef EFREET_MODULE_LOG_DOM
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#undef EFREET_MODULE_LOG_DOM
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#endif
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#define EFREET_MODULE_LOG_DOM _efreet_trash_log_dom
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static int _efreet_trash_log_dom = -1;
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/**
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* @return Returns 1 on success or 0 on failure
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* @brief Initializes the efreet trash system
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*/
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EAPI int
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efreet_trash_init(void)
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{
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if (++_efreet_trash_init_count != 1)
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return _efreet_trash_init_count;
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if (!eina_init())
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return --_efreet_trash_init_count;
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_efreet_trash_log_dom = eina_log_domain_register("Efreet_trash", EFREET_DEFAULT_LOG_COLOR);
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if (_efreet_trash_log_dom < 0)
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{
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ERROR("Efreet: Could not create a log domain for Efreet_trash");
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eina_shutdown();
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return --_efreet_trash_init_count;
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}
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return _efreet_trash_init_count;
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}
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/**
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* @return Returns no value
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* @brief Cleans up the efreet trash system
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*/
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EAPI int
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efreet_trash_shutdown(void)
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{
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if (--_efreet_trash_init_count != 0)
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return _efreet_trash_init_count;
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IF_RELEASE(efreet_trash_dir);
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eina_log_domain_unregister(_efreet_trash_log_dom);
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eina_shutdown();
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return _efreet_trash_init_count;
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}
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/**
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* @return Returns the XDG Trash local directory or NULL on errors
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* @brief Retrieves the XDG Trash local directory
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*/
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EAPI const char*
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efreet_trash_dir_get(void)
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{
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char buf[PATH_MAX];
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if (efreet_trash_dir && ecore_file_exists(efreet_trash_dir))
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return efreet_trash_dir;
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snprintf(buf, sizeof(buf), "%s/Trash", efreet_data_home_get());
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if (!ecore_file_exists(buf) && !ecore_file_mkpath(buf))
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return NULL;
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IF_RELEASE(efreet_trash_dir);
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efreet_trash_dir = eina_stringshare_add(buf);
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snprintf(buf, sizeof(buf), "%s/files", efreet_trash_dir);
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if (!ecore_file_exists(buf) && !ecore_file_mkpath(buf))
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return NULL;
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snprintf(buf, sizeof(buf), "%s/info", efreet_trash_dir);
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if (!ecore_file_exists(buf) && !ecore_file_mkpath(buf))
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return NULL;
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return efreet_trash_dir;
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}
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/**
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* @param uri: The local uri to move in the trash
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* @param force_delete: If you set this to 1 than files on different filesystems
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* will be deleted permanently
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* @return Return 1 on success, 0 on failure or -1 in case the uri is not on the
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* same filesystem and force_delete is not set.
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* @brief This function try to move the given uri to the trash. Files on
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* different filesystem can't be moved to trash. If force_delete
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* is 0 than non-local files will be ignored and -1 is returned, if you set
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* force_delete to 1 non-local files will be deleted without asking.
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*/
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EAPI int
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efreet_trash_delete_uri(Efreet_Uri *uri, int force_delete)
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{
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char dest[PATH_MAX];
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char times[64];
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const char *fname;
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const char *escaped;
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int i = 1;
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time_t now;
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FILE *f;
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if (!uri || !uri->path || !ecore_file_can_write(uri->path)) return 0;
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fname = ecore_file_file_get(uri->path);
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snprintf(dest, PATH_MAX, "%s/files/%s", efreet_trash_dir_get(), fname);
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/* search for a free filename */
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while (ecore_file_exists(dest))
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snprintf(dest, PATH_MAX, "%s/files/%s$%d",
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efreet_trash_dir_get(), fname, i++);
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fname = ecore_file_file_get(dest);
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/* move file to trash dir */
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if (rename(uri->path, dest))
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{
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if (errno == EXDEV)
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{
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if (!force_delete) return -1;
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if (!ecore_file_recursive_rm(uri->path))
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{
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ERR("EFREET TRASH ERROR: Can't delete file.");
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return 0;
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}
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}
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else
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{
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ERR("EFREET TRASH ERROR: Can't move file to trash.");
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return 0;
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}
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}
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/* create info file */
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snprintf(dest, PATH_MAX, "%s/info/%s.trashinfo",
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efreet_trash_dir_get(), fname);
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if ((f = fopen(dest, "w")))
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{
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fputs("[Trash Info]\n", f); //TODO is '\n' right?? (or \r\c??)
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fputs("Path=", f);
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escaped = efreet_uri_encode(uri);
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fputs(escaped + 7, f); // +7 == don't write 'file://'
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IF_RELEASE(escaped);
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time(&now);
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strftime(times, sizeof(times), "%Y-%m-%dT%H:%M:%S", localtime(&now));
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fputs("\nDeletionDate=", f);
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fputs(times, f);
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fputs("\n", f);
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fclose(f);
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}
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else
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{
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ERR("EFREET TRASH ERROR: Can't create trash info file.");
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return 0;
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}
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return 1;
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}
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/**
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* @return Return 1 if the trash is empty or 0 if some file are in.
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* @brief Check if the trash is currently empty
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*/
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EAPI int
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efreet_trash_is_empty(void)
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{
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char buf[PATH_MAX];
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snprintf(buf, PATH_MAX, "%s/files", efreet_trash_dir_get());
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/* TODO Check also trash in other filesystems */
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return ecore_file_dir_is_empty(buf);
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}
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/**
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* @return Return 1 on success or 0 on failure
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* @brief Delete all the files inside the trash.
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*/
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EAPI int
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efreet_trash_empty_trash(void)
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{
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char buf[PATH_MAX];
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snprintf(buf, PATH_MAX, "%s/info", efreet_trash_dir_get());
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if (!ecore_file_recursive_rm(buf)) return 0;
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ecore_file_mkdir(buf);
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snprintf(buf, PATH_MAX, "%s/files", efreet_trash_dir_get());
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if (!ecore_file_recursive_rm(buf)) return 0;
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ecore_file_mkdir(buf);
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/* TODO Empty also trash in other filesystems */
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return 1;
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}
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/**
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* @return Return a list of strings with filename (remember to free the list
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* when you don't need anymore)
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* @brief List all the files and directory currently inside the trash.
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*/
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EAPI Eina_List*
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efreet_trash_ls(void)
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{
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char *infofile;
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char buf[PATH_MAX];
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Eina_List *files, *l;
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// NOTE THIS FUNCTION NOW IS NOT COMPLETE AS I DON'T NEED IT
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// TODO read the name from the infofile instead of the filename
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snprintf(buf, PATH_MAX, "%s/files", efreet_trash_dir_get());
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files = ecore_file_ls(buf);
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EINA_LIST_FOREACH(files, l, infofile)
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printf("FILE: %s\n", infofile);
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return files;
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}
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