vfs.c File Reference

#include "vfs.h"
#include "../kklibc/kklibc.h"

Macros
#define	RESOLVE(path)

Functions
void	vfs_mount (const vfs_ops_t *ops)
const char *	vfs_getcwd (void)
int	vfs_open (const char *path, vfs_file_t *file)
int	vfs_file_read (vfs_file_t *file, void *buffer, u32 capacity)
int	vfs_file_write (vfs_file_t *file, const void *buffer, u32 size)
int	vfs_seek (vfs_file_t *file, u32 offset)
void	vfs_close (vfs_file_t *file)
int	vfs_normalize (const char *path, char out[VFS_PATH_MAX])
int	vfs_stat (const char *path, vfs_stat_t *stat)
int	vfs_chdir (const char *path)
int	vfs_read (const char *path, u32 offset, void *buffer, u32 capacity)
int	vfs_replace (const char *path, const void *data, u32 size)
static int	modify (const char *path, u32 offset, const void *data, u32 size, int truncate, int append)
int	vfs_write (const char *p, u32 o, const void *d, u32 n)
int	vfs_append (const char *p, const void *d, u32 n)
int	vfs_truncate (const char *p, u32 n)
int	vfs_create (const char *path)
int	vfs_mkdir (const char *path)
static int	ancestor (const char *parent, const char *child)
int	vfs_unlink (const char *path)
int	vfs_rmdir (const char *path)
int	vfs_rename (const char *source, const char *destination)
int	vfs_readdir (const char *path, u32 *cursor, vfs_dirent_t *entry)
int	vfs_copy (const char *source, const char *destination)
const char *	vfs_error (int e)

Variables
static const vfs_ops_t *	backend
static u32	generation
static char	cwd [VFS_PATH_MAX] = "/"

Macro Definition Documentation

RESOLVE

#define RESOLVE

(

path

)

Value:

    char absolute[VFS_PATH_MAX]; \
    if (!backend) \
        return VFS_EIO; \
    int result = vfs_normalize(path, absolute); \
    if (result) \
    return result

Function Documentation

ancestor()

static int ancestor ( const char *  parent, const char *  child  )

static

modify()

static int modify ( const char *  path, u32  offset, const void *  data, u32  size, int  truncate, int  append  )

static

vfs_append()

int vfs_append	(	const char *	p,
		const void *	d,
		u32	n
	)

vfs_chdir()

int vfs_chdir

(

const char *

path

)

vfs_close()

void vfs_close

(

vfs_file_t *

file

)

vfs_copy()

int vfs_copy	(	const char *	source,
		const char *	destination
	)

vfs_create()

int vfs_create

(

const char *

path

)

vfs_error()

const char * vfs_error

(

int

e

)

vfs_file_read()

int vfs_file_read	(	vfs_file_t *	file,
		void *	buffer,
		u32	capacity
	)

vfs_file_write()

int vfs_file_write	(	vfs_file_t *	file,
		const void *	buffer,
		u32	size
	)

vfs_getcwd()

const char * vfs_getcwd

(

void

)

vfs_mkdir()

int vfs_mkdir

(

const char *

path

)

vfs_mount()

void vfs_mount

(

const vfs_ops_t *

ops

)

vfs_normalize()

int vfs_normalize	(	const char *	path,
		char	out[VFS_PATH_MAX]
	)

vfs_open()

int vfs_open	(	const char *	path,
		vfs_file_t *	file
	)

vfs_read()

int vfs_read	(	const char *	path,
		u32	offset,
		void *	buffer,
		u32	capacity
	)

vfs_readdir()

int vfs_readdir	(	const char *	path,
		u32 *	cursor,
		vfs_dirent_t *	entry
	)

vfs_rename()

int vfs_rename	(	const char *	source,
		const char *	destination
	)

vfs_replace()

int vfs_replace	(	const char *	path,
		const void *	data,
		u32	size
	)

vfs_rmdir()

int vfs_rmdir

(

const char *

path

)

vfs_seek()

int vfs_seek	(	vfs_file_t *	file,
		u32	offset
	)

vfs_stat()

int vfs_stat	(	const char *	path,
		vfs_stat_t *	stat
	)

vfs_truncate()

int vfs_truncate	(	const char *	p,
		u32	n
	)

vfs_unlink()

int vfs_unlink

(

const char *

path

)

vfs_write()

int vfs_write	(	const char *	p,
		u32	o,
		const void *	d,
		u32	n
	)

Variable Documentation

backend

const vfs_ops_t* backend

static

cwd

char cwd[VFS_PATH_MAX] = "/"

static

generation

u32 generation

static