toaruos/include/fs.h
2011-01-29 00:43:39 -06:00

56 lines
1.5 KiB
C

#ifndef FS_H
#define FS_H
#define FS_FILE 0x01
#define FS_DIRECTORY 0x02
#define FS_CHARDEVICE 0x03
#define FS_BLOCKDEVICE 0x04
#define FS_PIPE 0x05
#define FS_SYMLINK 0x06
#define FS_MOUNTPOINT 0x08
struct fs_node;
typedef uint32_t (*read_type_t)(struct fs_node*, uint32_t, uint32_t, uint8_t *);
typedef uint32_t (*write_type_t)(struct fs_node*, uint32_t, uint32_t, uint8_t *);
typedef void (*open_type_t)(struct fs_node*, uint8_t read, uint8_t write);
typedef void (*close_type_t)(struct fs_node*);
typedef struct dirent * (*readdir_type_t)(struct fs_node*, uint32_t);
typedef struct fs_node * (*finddir_type_t)(struct fs_node*, char *name);
typedef struct fs_node {
char name[256];
uint32_t mask;
uint32_t uid;
uint32_t gid;
uint32_t flags;
uint32_t inode;
uint32_t length;
uint32_t impl;
read_type_t read;
write_type_t write;
open_type_t open;
close_type_t close;
readdir_type_t readdir;
finddir_type_t finddir;
struct fs_node *ptr;
} fs_node_t;
struct dirent {
char name[256];
uint32_t ino;
};
extern fs_node_t *fs_root;
uint32_t read_fs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);
uint32_t write_fs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);
void open_fs(fs_node_t *node, uint8_t read, uint8_t write);
void close_fs(fs_node_t *node);
struct dirent *readdir_fs(fs_node_t *node, uint32_t index);
fs_node_t *finddir_fs(fs_node_t *node, char *name);
fs_node_t *kopen(const char *filename, uint32_t flags);
#endif