.\"	$OpenBSD: rmdir.2,v 1.13 2015/01/19 15:54:11 millert Exp $
.\"	$NetBSD: rmdir.2,v 1.7 1995/02/27 12:36:30 cgd Exp $
.\"
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.\"     @(#)rmdir.2	8.1 (Berkeley) 6/4/93
.\"
.Dd $Mdocdate: January 19 2015 $
.Dt RMDIR 2
.Os
.Sh NAME
.Nm rmdir
.Nd remove a directory file
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fn rmdir "const char *path"
.Sh DESCRIPTION
.Fn rmdir
removes a directory file
whose name is given by
.Fa path .
The directory must not have any entries other
than
.Ql \&.
and
.Ql \&.. .
.Pp
There is no
.Fn rmdirat
function;
to remove a directory with a path relative to the directory associated
with a file descriptor use the
.Xr unlinkat 2
function with the
.Dv AT_REMOVEDIR
flag.
.Sh RETURN VALUES
.Rv -std
.Sh ERRORS
The named file is removed unless:
.Bl -tag -width Er
.It Bq Er ENOTDIR
A component of the path is not a directory.
.It Bq Er ENAMETOOLONG
A component of a pathname exceeded
.Dv NAME_MAX
characters, or an entire pathname (including the terminating NUL)
exceeded
.Dv PATH_MAX
bytes.
.It Bq Er ENOENT
The named directory does not exist.
.It Bq Er ELOOP
Too many symbolic links were encountered in translating the pathname.
.It Bq Er ENOTEMPTY
The named directory contains files other than
.Ql \&.
and
.Ql \&..
in it.
.It Bq Er EACCES
Search permission is denied for a component of the path prefix.
.It Bq Er EACCES
Write permission is denied on the directory containing the directory
to be removed.
.It Bq Er EPERM
The directory containing the directory to be removed is marked sticky,
and neither the containing directory nor the directory to be removed
are owned by the effective user ID.
.It Bq Er EPERM
The directory to be removed or the directory containing it has its
immutable or append-only flag set (see
.Xr chflags 2 ) .
.It Bq Er EBUSY
The directory to be removed is the mount point
for a mounted file system or the current directory.
.It Bq Er EIO
An I/O error occurred while deleting the directory entry
or deallocating the inode.
.It Bq Er EROFS
The directory entry to be removed resides on a read-only file system.
.It Bq Er EFAULT
.Fa path
points outside the process's allocated address space.
.El
.Sh SEE ALSO
.Xr rmdir 1 ,
.Xr chflags 2 ,
.Xr mkdir 2 ,
.Xr unlink 2
.Sh STANDARDS
.Fn rmdir
function conforms to
.St -p1003.1-2008 .
.Sh HISTORY
The
.Fn rmdir
function call appeared in
.Bx 4.2 .