/*
 * Copyright (c) 2016, ETH Zurich.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached LICENSE file.
 * If you do not find this file, copies can be found by writing to:
 * ETH Zurich D-INFK, Universitaetstr 6, CH-8092 Zurich. Attn: Systems Group.
 */

#ifndef FS_RAMFS_H_
#define FS_RAMFS_H_

#include <fs/fs.h>

typedef void *ramfs_handle_t;
typedef void *ramfs_mount_t;

errval_t ramfs_open(void *st, const char *path, ramfs_handle_t *rethandle);

errval_t ramfs_create(void *st, const char *path, ramfs_handle_t *rethandle);

errval_t ramfs_remove(void *st, const char *path);

errval_t ramfs_read(void *st, ramfs_handle_t handle, void *buffer, size_t bytes,
                    size_t *bytes_read);

errval_t ramfs_write(void *st, ramfs_handle_t handle, const void *buffer,
                     size_t bytes, size_t *bytes_written);

errval_t ramfs_truncate(void *st, ramfs_handle_t handle, size_t bytes);

errval_t ramfs_tell(void *st, ramfs_handle_t handle, size_t *pos);

errval_t ramfs_stat(void *st, ramfs_handle_t inhandle, struct fs_fileinfo *info);

errval_t ramfs_seek(void *st, ramfs_handle_t handle, enum fs_seekpos whence,
                    off_t offset);

errval_t ramfs_close(void *st, ramfs_handle_t inhandle);

errval_t ramfs_opendir(void *st, const char *path, ramfs_handle_t *rethandle);

errval_t ramfs_dir_read_next(void *st, ramfs_handle_t inhandle, char **retname,
                             struct fs_fileinfo *info);

errval_t ramfs_closedir(void *st, ramfs_handle_t dhandle);

errval_t ramfs_mkdir(void *st, const char *path);

errval_t ramfs_rmdir(void *st, const char *path);

errval_t ramfs_mount(const char *uri, ramfs_mount_t *retst);

#endif /* FS_RAMFS_H_ */