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.\"     @(#)rmdir.2	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: releng/12.2/lib/libc/sys/rmdir.2 365473 2020-09-08 20:51:19Z jhb $
.\"
.Dd March 30, 2020
.Dt RMDIR 2
.Os
.Sh NAME
.Nm rmdir
.Nd remove a directory file
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fn rmdir "const char *path"
.Sh DESCRIPTION
The
.Fn rmdir
system call
removes a directory file
whose name is given by
.Fa path .
The directory must not have any entries other
than
.Ql .\&
and
.Ql \&.. .
.Sh RETURN VALUES
.Rv -std rmdir
.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 255 characters,
or an entire path name exceeded 1023 characters.
.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 link
to be removed.
.It Bq Er EPERM
The directory to be removed has its immutable, undeletable or append-only flag
set, see the
.Xr chflags 2
manual page for more information.
.It Bq Er EPERM
The parent directory of the directory to be removed has its immutable or
append-only flag set.
.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 EINVAL
The last component of the path is
.Ql .\&
or
.Ql .. .
.It Bq Er EBUSY
The directory to be removed is the mount point
for a mounted file system.
.It Bq Er EIO
An I/O error occurred while deleting the directory entry
or deallocating the inode.
.It Bq Er EINTEGRITY
Corrupted data was detected while reading from the file system.
.It Bq Er EROFS
The directory entry to be removed resides on a read-only file system.
.It Bq Er EFAULT
The
.Fa path
argument
points outside the process's allocated address space.
.El
.Sh SEE ALSO
.Xr mkdir 2 ,
.Xr unlink 2
.Sh HISTORY
The
.Fn rmdir
system call appeared in
.Bx 4.2 .