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renameat() - Unix, Linux System Call
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NAME
renameat - rename a file relative to directory file descriptors
SYNOPSIS
#include <stdio.h>
int renameat(int olddirfd, const char *oldpath,
int newdirfd, const char *newpath);
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DESCRIPTION
The
renameat() system call operates in exactly the same way as
rename(2),
except for the differences described in this manual page.
If the pathname given in
oldpath is relative, then it is interpreted relative to the directory
referred to by the file descriptor
olddirfd (rather than relative to the current working directory of
the calling process, as is done by
rename(2)
for a relative pathname).
If the pathname given in
oldpath is relative and
olddirfd is the special value
AT_FDCWD, then
oldpath is interpreted relative to the current working
directory of the calling process (like
rename(2)).
If the pathname given in
oldpath is absolute, then
olddirfd is ignored.
The interpretation of
newpath is as for
oldpath, except that a relative pathname is interpreted relative
to the directory referred to by the file descriptor
newdirfd. RETURN VALUE
On success,
renameat() returns 0.
On error, -1 is returned and
errno is set to indicate the error.
ERRORS
The same errors that occur for
rename(2)
can also occur for
renameat(). The following additional errors can occur for
renameat():
Tag | Description |
EBADF |
olddirfd or
newdirfd is not a valid file descriptor.
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ENOTDIR | |
oldpath is a relative path and
olddirfd is a file descriptor referring to a file other than a directory;
or similar for
newpath and
newdirfd |
NOTES
See
openat(2)
for an explanation of the need for
renameat(). CONFORMING TO
This system call is non-standard but is proposed
for inclusion in a future revision of POSIX.1.
VERSIONS
renameat() was added to Linux in kernel 2.6.16.
SEE ALSO
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