Derp haiku_trash.cpp not .c

2024-06-07 00:35:00 -07:00 · 2024-06-07 00:35:00 -07:00 · fe7f0dddf9
commit fe7f0dddf9
parent 1fee51636b
2 changed files with 5 additions and 3 deletions
--- a/src/haiku_trash.cpp
+++ b/src/haiku_trash.cpp
@ -0,0 +1,114 @@
+/*
+ * 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>
+
+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;
+}