08-18-2008
Remove and then recreate the symlink.
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Hi all!
I'd like to know the differences between hard links and soft links. I've already read the ln manpage, but i'm not quite sure of what i understood.
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Hi All,
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Hi
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Hi ,
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hi
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LEARN ABOUT CENTOS
symlinkat
SYMLINKAT(2) Linux Programmer's Manual SYMLINKAT(2)
NAME
symlinkat - create a symbolic link relative to a directory file descriptor
SYNOPSIS
#include <fcntl.h> /* Definition of AT_* constants */
#include <unistd.h>
int symlinkat(const char *oldpath, int newdirfd, const char *newpath);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
symlinkat():
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_ATFILE_SOURCE
DESCRIPTION
The symlinkat() system call operates in exactly the same way as symlink(2), except for the differences described in this manual page.
If the pathname given in newpath is relative, then it is interpreted relative to the directory referred to by the file descriptor newdirfd
(rather than relative to the current working directory of the calling process, as is done by symlink(2) for a relative pathname).
If newpath is relative and newdirfd is the special value AT_FDCWD, then newpath is interpreted relative to the current working directory of
the calling process (like symlink(2)).
If newpath is absolute, then newdirfd is ignored.
RETURN VALUE
On success, symlinkat() returns 0. On error, -1 is returned and errno is set to indicate the error.
ERRORS
The same errors that occur for symlink(2) can also occur for symlinkat(). The following additional errors can occur for symlinkat():
EBADF newdirfd is not a valid file descriptor.
ENOTDIR
newpath is relative and newdirfd is a file descriptor referring to a file other than a directory.
VERSIONS
symlinkat() was added to Linux in kernel 2.6.16; library support was added to glibc in version 2.4.
CONFORMING TO
POSIX.1-2008.
NOTES
See openat(2) for an explanation of the need for symlinkat().
SEE ALSO
openat(2), symlink(2), path_resolution(7), symlink(7)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
Linux 2012-05-04 SYMLINKAT(2)