116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/*
|
|
* haiku_trash.cpp
|
|
*
|
|
* Place a file in the Trash under Haiku.
|
|
*
|
|
* From Haiku `trash.cpp`
|
|
* (https://github.com/haiku/haiku/blob/3e910e720f3408a2ccf7dae9019621a390f3527b/src/bin/trash.cpp)
|
|
*
|
|
* Copyright (c) 2004 by Francois Revol <revol@free.fr>
|
|
* provided under the MIT licence:
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation files
|
|
* (the “Software”), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, sublicense, and/or sell copies of the Software,
|
|
* and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF
|
|
* ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
|
|
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* h/t Jérôme Duval <https://github.com/korli> for pointing us to this
|
|
* (https://github.com/haikuports/haikuports/issues/10568)
|
|
*
|
|
* Last modified 2024-06-06
|
|
*/
|
|
|
|
/* FIXME: Not sure how many of these are strictly necessary for
|
|
_just_ the `haiku_trash()` function. Luc, please check!
|
|
-bjk 2024-06-06 */
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <app/Message.h>
|
|
#include <app/Messenger.h>
|
|
#include <kernel/fs_attr.h>
|
|
#include <kernel/fs_info.h>
|
|
#include <storage/Directory.h>
|
|
#include <storage/Entry.h>
|
|
#include <storage/FindDirectory.h>
|
|
#include <storage/Node.h>
|
|
#include <storage/Path.h>
|
|
#include <support/TypeConstants.h>
|
|
|
|
static const char *kAttrOriginalPath = "_trk/original_path";
|
|
|
|
extern "C" status_t haiku_trash(const char *f)
|
|
{
|
|
status_t err;
|
|
attr_info ai;
|
|
dev_t dev = -1;
|
|
int nr;
|
|
const char *original_path;
|
|
char trash_dir[B_PATH_NAME_LENGTH];
|
|
char trashed_file[B_PATH_NAME_LENGTH];
|
|
|
|
dev = dev_for_path(f);
|
|
err = find_directory(B_TRASH_DIRECTORY, dev, false, trash_dir, B_PATH_NAME_LENGTH);
|
|
if (err < 0)
|
|
return err;
|
|
BNode node(f);
|
|
|
|
err = node.InitCheck();
|
|
if (err < 0)
|
|
return err;
|
|
err = node.GetAttrInfo(kAttrOriginalPath, &ai);
|
|
if (err == B_OK)
|
|
return EALREADY;
|
|
if (!strncmp(f, trash_dir, strlen(trash_dir)))
|
|
return EALREADY;
|
|
entry_ref er;
|
|
|
|
err = get_ref_for_path(f, &er);
|
|
if (err < 0)
|
|
return err;
|
|
BPath orgPath(&er);
|
|
|
|
err = orgPath.InitCheck();
|
|
if (err < 0)
|
|
return err;
|
|
original_path = orgPath.Path();
|
|
BDirectory trashDir(trash_dir);
|
|
|
|
err = trashDir.InitCheck();
|
|
if (err < 0)
|
|
return err;
|
|
for (nr = 0;; nr++)
|
|
{
|
|
if (nr > INT_MAX - 1)
|
|
return B_ERROR;
|
|
if (nr)
|
|
snprintf(trashed_file, B_PATH_NAME_LENGTH - 1, "%s/%s %d", trash_dir, er.name, nr);
|
|
else
|
|
snprintf(trashed_file, B_PATH_NAME_LENGTH - 1, "%s/%s", trash_dir, er.name);
|
|
if (!trashDir.Contains(trashed_file))
|
|
break;
|
|
}
|
|
err = rename(original_path, trashed_file);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = node.WriteAttr(kAttrOriginalPath, B_STRING_TYPE, 0LL, original_path, strlen(original_path) + 1);
|
|
if (err < 0)
|
|
return err;
|
|
return 0;
|
|
}
|