path.h File Reference

#include <kernel/utils/map.h>
#include <alloca.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdint.h>
#include <sys/fs.h>

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Data Structures
struct	path_t
	Path structure. More...
struct	pathname_t
	Pathname structure. More...

Macros
#define	PATH_DEFER(path)   __attribute__((cleanup(path_defer_cleanup))) path_t* CONCAT(i, __COUNTER__) = (path)
	Defer path put.
#define	PATH_MAX_DOTDOT   1000
	Maximum iterations to handle .. in a path.
#define	PATH_MAX_SYMLINK   40
	Maximum iterations to handle symlinks in a path.
#define	PATH_EMPTY
	Helper to create an empty path.
#define	PATH_CREATE(inMount, inDentry)
	Helper to create a path.
#define	PATH_IS_EMPTY(path)   ((path).mount == NULL && (path).dentry == NULL)
	Check if a path is empty.
#define	PATH_IS_VALID(path)   ((path) != NULL && (path)->mount != NULL && (path)->dentry != NULL)
	Check if a path is valid.

Typedefs
typedef struct path	path_t
typedef struct mount	mount_t
typedef struct dentry	dentry_t
typedef struct namespace	namespace_t
typedef struct file	file_t

Enumerations
enum	mode_t {   MODE_NONE = 0 , MODE_READ = 1 << 0 , MODE_WRITE = 1 << 1 , MODE_EXECUTE = 1 << 2 ,   MODE_NONBLOCK = 1 << 3 , MODE_APPEND = 1 << 4 , MODE_CREATE = 1 << 5 , MODE_EXCLUSIVE = 1 << 6 ,   MODE_PARENTS = 1 << 7 , MODE_TRUNCATE = 1 << 8 , MODE_DIRECTORY = 1 << 9 , MODE_RECURSIVE = 1 << 10 ,   MODE_NOFOLLOW = 1 << 11 , MODE_PRIVATE = 1 << 12 , MODE_PROPAGATE = 1 << 13 , MODE_LOCKED = 1 << 14 ,   MODE_ALL_PERMS = MODE_READ | MODE_WRITE | MODE_EXECUTE }
	Path flags and permissions. More...

Functions
uint64_t	pathname_init (pathname_t *pathname, const char *string)
	Initialize a pathname.
void	path_set (path_t *path, mount_t *mount, dentry_t *dentry)
	Set a path.
void	path_copy (path_t *dest, const path_t *src)
	Copy a path.
void	path_put (path_t *path)
	Put a path.
uint64_t	path_step (path_t *path, mode_t mode, const char *name, namespace_t *ns)
	Walk a single path component.
uint64_t	path_walk (path_t *path, const pathname_t *pathname, namespace_t *ns)
	Walk a pathname to a path.
uint64_t	path_walk_parent (path_t *path, const pathname_t *pathname, char *outLastName, namespace_t *ns)
	Walk a pathname to its parent and get the name of the last component.
uint64_t	path_walk_parent_and_child (const path_t *from, path_t *outParent, path_t *outChild, const pathname_t *pathname, namespace_t *ns)
	Traverse a pathname to its parent and child paths.
uint64_t	path_to_name (const path_t *path, pathname_t *pathname)
	Convert a path to a pathname.
uint64_t	mode_to_string (mode_t mode, char *out, uint64_t length)
	Convert a mode to a string representation.
uint64_t	mode_check (mode_t *mode, mode_t maxPerms)
	Check and adjust mode permissions.
static void	path_defer_cleanup (path_t **path)

Typedef Documentation

path_t

typedef struct path path_t

Definition at line 11 of file path.h.

mount_t

typedef struct mount mount_t

Definition at line 12 of file path.h.

dentry_t

typedef struct dentry dentry_t

Definition at line 13 of file path.h.

namespace_t

typedef struct namespace namespace_t

Definition at line 14 of file path.h.

file_t

typedef struct file file_t

Definition at line 15 of file path.h.