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link.2: When AT_EMPTY_PATH is specified, 'olddirfd' must not refer to a directory 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-03-19 16:29:56 +01:00
parent 8c5fcd21e5
commit d81d850651
1 changed files with 11 additions and 2 deletions
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man2/link.2
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@ -29,7 +29,7 @@
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
.\" Modified 2005-04-04, as per suggestion by Michael Hardt for rename.2
.\"
.TH LINK 2 2014-02-21 "Linux" "Linux Programmer's Manual"
.TH LINK 2 2014-03-19 "Linux" "Linux Programmer's Manual"
.SH NAME
link, linkat \- make a new name for a file
.SH SYNOPSIS
@ -135,7 +135,7 @@ is an empty string, create a link to the file referenced by
flag).
In this case,
.I olddirfd
can refer to any type of file, not just a directory.
must refer to a file other than a directory.
The caller must have the
.BR CAP_DAC_READ_SEARCH
capability in order to use this flag;
@ -300,6 +300,15 @@ or similar for
.I newpath
and
.I newdirfd
.TP
.B EPERM
.BR AT_EMPTY_PATH
was specified in
.IR flags ,
.I oldpath
is an empty string, and
.IR olddirfd
refers to a directory.
.SH VERSIONS
.BR linkat ()
was added to Linux in kernel 2.6.16;