Ext2Symlink.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef EXT2_SYMLINK_H
#define EXT2_SYMLINK_H
 
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/String.h"
 
#include "Ext2Node.h"
#include "modules/system/vfs/Symlink.h"
 
class File;
struct Inode;
 
class Ext2Symlink : public Symlink, public Ext2Node {
 private:
  Ext2Symlink(const Ext2Symlink& file);
  Ext2Symlink& operator=(const Ext2Symlink&);
 
 public:
  Ext2Symlink(const String& name, uintptr_t inode_num, Inode* inode, class Ext2Filesystem* pFs,
              File* pParent = 0);
  virtual ~Ext2Symlink();
 
  virtual uint64_t readBytewise(uint64_t location, uint64_t size, uintptr_t buffer, bool canBlock);
  virtual uint64_t writeBytewise(uint64_t location, uint64_t size, uintptr_t buffer, bool canBlock);
 
  void truncate();
 
  void fileAttributeChanged();
  virtual Attributes getAttributes() const;
 
  virtual XattrStatus getExtendedAttribute(const StringView&, void*, size_t, size_t&);
  virtual XattrStatus listExtendedAttributes(void*, size_t, size_t&);
  virtual XattrStatus setExtendedAttribute(const StringView&, const void*, size_t, unsigned);
  virtual XattrStatus removeExtendedAttribute(const StringView&);
 
 protected:
  virtual void updateAttributes(const Attributes& attributes, uint32_t mask);
  virtual bool changeOwnership(size_t uid, size_t gid, bool changeUid, bool changeGid);
};
 
#endif