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NAME

dir_ufs, dir - format of ufs directories
 

SYNOPSIS

#include <sys/param.h>

#include <sys/types.h>

#include <sys/fs/ufs_fsdir.h>

DESCRIPTION

A directory consists of some number of blocks of DIRBLKSIZ bytes, where DIRBLKSIZ is chosen such that it can be transferred to disk in a single atomic operation, for example, 512 bytes on most machines.

Each DIRBLKSIZ-byte block contains some number of directory entry structures, which are of variable length. Each directory entry has a struct direct at the front of it, containing its inode number, the length of the entry, and the length of the name contained in the entry. These entries are followed by the name padded to a 4 byte boundary with null bytes. All names are guaranteed null-terminated. The maximum length of a name in a directory is MAXNAMLEN.

#define DIRBLKSIZ                       DEV_BSIZE
#define MAXNAMLEN                       256
struct direct {
       ulong_t  d_ino;                 /* inode number of entry */
       ushort_t d_reclen;              /* length of this record */
       ushort_t d_namlen;              /* length of string in d_name */
       char     d_name[MAXNAMLEN + 1]; /* maximum name length */
};

ATTRIBUTES

See attributes(5) for a description of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Unstable

SEE ALSO

attributes(5), ufs(7FS)

Index

NAME

SYNOPSIS

DESCRIPTION

ATTRIBUTES

SEE ALSO

Партнёры:

Хостинг: