/* Copyright (c) 2017, 2018, 2019, 2020, 2023 Dennis Wölfing
 *
 * Permission to use, copy, modify, and/or 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.
 */

/* kernel/include/dennix/kernel/symlink.h
 * Symbolic links.
 */

#ifndef KERNEL_SYMLINK_H
#define KERNEL_SYMLINK_H

#include <dennix/kernel/vnode.h>

class SymlinkVnode : public Vnode, public ConstructorMayFail {
public:
    SymlinkVnode(const char* target, dev_t dev);
    SymlinkVnode(const char* target, size_t targetLength, dev_t dev);
    ~SymlinkVnode();
    NOT_COPYABLE(SymlinkVnode);
    NOT_MOVABLE(SymlinkVnode);

    char* getLinkTarget() override;
    ssize_t readlink(char* buffer, size_t size) override;
private:
    const char* target;
};

#endif
