inode.h

Go to the documentation of this file.

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include<libtransistor/types.h>
#include<stdlib.h>

struct trn_inode_ops_t;

typedef struct {
    void *data;
    struct trn_inode_ops_t *ops;
} trn_inode_t; // libTRaNsistor INODE

typedef struct {
    char name[256];
    size_t name_size;
} trn_dirent_t;

typedef struct {
    result_t (*rewind)(void *dir);
    result_t (*next)(void *dir, trn_dirent_t *dirent);
    void (*close)(void *dir);
} trn_dir_ops_t;

typedef struct {
    void *data;
    trn_dir_ops_t *ops;
} trn_dir_t;

typedef struct trn_inode_ops_t {
    result_t (*is_dir)(void *inode, bool *out);
    result_t (*lookup)(void *inode, trn_inode_t *out, const char *name, size_t name_length);
    result_t (*release)(void *inode);
    result_t (*create_file)(void *inode, const char *name);
    result_t (*create_directory)(void *inode, const char *name);
    result_t (*remove_file)(void *inode);
    result_t (*remove_empty_directory)(void *inode);
    result_t (*rename)(void *inode, const char *newname);

    /*
      Objects returned from these functions must not be invalidated if the inode is closed
      before they are.
     */
    result_t (*open_as_file)(void *inode, int mode, int *fd);
    result_t (*open_as_dir)(void *inode, trn_dir_t *out);
} trn_inode_ops_t;

#ifdef __cplusplus
}
#endif