1994-05-27 05:00:24 +00:00
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.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)mkdir.2 8.2 (Berkeley) 12/11/93
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1997-02-22 15:12:41 +00:00
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.\" $Id$
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1994-05-27 05:00:24 +00:00
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.\"
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.Dd December 11, 1993
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.Dt MKDIR 2
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.Os BSD 4.2
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.Sh NAME
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.Nm mkdir
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.Nd make a directory file
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.Sh SYNOPSIS
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.Fd #include <sys/stat.h>
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.Ft int
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.Fn mkdir "const char *path" "mode_t mode"
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.Sh DESCRIPTION
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The directory
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.Fa path
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is created with the access permissions specified by
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.Fa mode
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1996-10-05 22:27:30 +00:00
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and restricted by the
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1994-05-27 05:00:24 +00:00
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.Xr umask 2
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of the calling process.
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.Pp
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The directory's owner ID is set to the process's effective user ID.
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The directory's group ID is set to that of the parent directory in
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which it is created.
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.Sh RETURN VALUES
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A 0 return value indicates success. A -1 return value
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indicates an error, and an error code is stored in
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.Va errno .
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.Sh ERRORS
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.Fn Mkdir
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will fail and no directory will be created if:
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.Bl -tag -width ENAMETOOLO
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.It Bq Er ENOTDIR
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A component of the path prefix is not a directory.
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.It Bq Er ENAMETOOLONG
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A component of a pathname exceeded 255 characters,
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or an entire path name exceeded 1023 characters.
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.It Bq Er ENOENT
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A component of the path prefix does not exist.
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.It Bq Er EACCES
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Search permission is denied for a component of the path prefix.
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.It Bq Er ELOOP
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Too many symbolic links were encountered in translating the pathname.
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.It Bq Er EPERM
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The
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.Fa path
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argument contains a byte with the high-order bit set.
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.It Bq Er EROFS
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The named file resides on a read-only file system.
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.It Bq Er EEXIST
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The named file exists.
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.It Bq Er ENOSPC
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The new directory cannot be created because there is no space left
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on the file system that will contain the directory.
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.It Bq Er ENOSPC
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There are no free inodes on the file system on which the
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directory is being created.
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.It Bq Er EDQUOT
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The new directory cannot be created because the user's
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quota of disk blocks on the file system that will
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contain the directory has been exhausted.
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.It Bq Er EDQUOT
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The user's quota of inodes on the file system on
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which the directory is being created has been exhausted.
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.It Bq Er EIO
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An I/O error occurred while making the directory entry or allocating the inode.
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.It Bq Er EIO
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An I/O error occurred while reading from or writing to the file system.
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.It Bq Er EFAULT
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.Fa Path
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points outside the process's allocated address space.
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.El
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.Sh SEE ALSO
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.Xr chmod 2 ,
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.Xr stat 2 ,
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.Xr umask 2
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.Sh STANDARDS
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1996-12-02 20:03:58 +00:00
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The
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.Fn mkdir
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function call is expected to conform to
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.St -p1003.1-90 .
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