136 lines
3.1 KiB
Groff
136 lines
3.1 KiB
Groff
.\" Copyright (c) 1983 Regents of the University of California.
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.\" All rights reserved. The Berkeley software License Agreement
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.\" specifies the terms and conditions for redistribution.
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.\"
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.\" @(#)rename.2 6.4 (Berkeley) 5/22/86
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.\"
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.TH RENAME 2 "May 22, 1986"
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.UC 5
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.SH NAME
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rename \- change the name of a file
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.SH SYNOPSIS
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.ft B
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.nf
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#include <stdio.h>
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int rename(const char *\fIfrom\fP, const char *\fIto\fP)
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.fi
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.ft R
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.SH DESCRIPTION
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.B Rename
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causes the link named
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.I from
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to be renamed as
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.IR to .
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If
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.I to
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exists, then it is first removed.
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Both
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.I from
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and
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.I to
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must be of the same type (that is, both directories or both
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non-directories), and must reside on the same file system.
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.PP
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.B Rename
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guarantees that an instance of
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.I to
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will always exist, even if the system should crash in
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the middle of the operation.
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.PP
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If the final component of
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.I from
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is a symbolic link,
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the symbolic link is renamed,
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not the file or directory to which it points.
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.SH "RETURN VALUE"
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A 0 value is returned if the operation succeeds, otherwise
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.B rename
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returns \-1 and the global variable
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.B errno
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indicates the reason for the failure.
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.SH "ERRORS
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.B Rename
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will fail and neither of the argument files will be
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affected if any of the following are true:
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.TP 15
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[ENAMETOOLONG]
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A path name exceeds PATH_MAX characters.
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.TP 15
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[ENOENT]
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A component of the \fIfrom\fP path does not exist,
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or a path prefix of \fIto\fP does not exist.
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.TP 15
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[EACCES]
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A component of either path prefix denies search permission.
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.TP 15
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[EACCES]
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The requested link requires writing in a directory with a mode
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that denies write permission.
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.TP 15
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[EPERM]
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The directory containing \fIfrom\fP is marked sticky,
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and neither the containing directory nor \fIfrom\fP
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are owned by the effective user ID.
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.TP 15
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[EPERM]
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The \fIto\fP file exists,
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the directory containing \fIto\fP is marked sticky,
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and neither the containing directory nor \fIto\fP
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are owned by the effective user ID.
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.TP 15
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[ELOOP]
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Too many symbolic links were encountered in translating either pathname.
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(Minix-vmd)
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.TP 15
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[ENOTDIR]
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A component of either path prefix is not a directory.
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.TP 15
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[ENOTDIR]
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.I From
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is a directory, but \fIto\fP is not a directory.
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.TP 15
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[EISDIR]
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.I To
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is a directory, but \fIfrom\fP is not a directory.
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.TP 15
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[EXDEV]
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The link named by \fIto\fP and the file named by \fIfrom\fP
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are on different logical devices (file systems).
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.TP 15
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[ENOSPC]
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The directory in which the entry for the new name is being placed
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cannot be extended because there is no space left on the file
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system containing the directory.
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.ig
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.TP 15
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[EDQUOT]
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The directory in which the entry for the new name
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is being placed cannot be extended because the
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user's quota of disk blocks on the file system
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containing the directory has been exhausted.
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..
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.TP 15
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[EIO]
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An I/O error occurred while making or updating a directory entry.
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.TP 15
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[EROFS]
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The requested link requires writing in a directory on a read-only file
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system.
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.TP 15
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[EFAULT]
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.I Path
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points outside the process's allocated address space.
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.TP 15
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[EINVAL]
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.I From
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is a parent directory of
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.IR to ,
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or an attempt is made to rename ``.'' or ``..''.
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.TP 15
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[ENOTEMPTY]
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.I To
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is a directory and is not empty.
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.SH "SEE ALSO"
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.BR open (2)
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