Man Symlinkat en anglais
SYMLINKAT(2)               Linux Programmer's Manual              SYMLINKAT(2)



 

NAME


       symlinkat  -  create  a  symbolic  link  relative  to  a directory file
       descriptor

 

SYNOPSIS


       #define _ATFILE_SOURCE
       #include  /* Definition of AT_* constants */
       #include 

       int symlinkat(const char *oldpath, int newdirfd, const char *newpath);

 

DESCRIPTION






       The symlinkat() system call operates in exactly the same  way  as  sym-
       link(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 sym-
       linkat().  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.

 

CONFORMING TO


       This  system  call  is  non-standard but is proposed for inclusion in a
       future revision of POSIX.1.

 

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 3.05 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                             2006-04-10                      SYMLINKAT(2)