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NAME

       futimesat - change timestamps of a file relative to a directory file descriptor

LIBRARY

       Standard C library (libc, -lc)

SYNOPSIS

       #include <fcntl.h>            /* Definition of AT_* constants */
       #include <sys/time.h>

       [[deprecated]] int futimesat(int dirfd, const char *pathname,
                                    const struct timeval times[2]);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       futimesat():
           _GNU_SOURCE

DESCRIPTION

       This system call is obsolete.  Use utimensat(2) instead.

       The  futimesat() system call operates in exactly the same way as utimes(2), except for the
       differences described in this manual page.

       If the pathname given in pathname is relative, then it  is  interpreted  relative  to  the
       directory  referred  to  by the file descriptor dirfd (rather than relative to the current
       working directory of the  calling  process,  as  is  done  by  utimes(2)  for  a  relative
       pathname).

       If  pathname  is  relative  and  dirfd  is  the  special  value AT_FDCWD, then pathname is
       interpreted relative to the  current  working  directory  of  the  calling  process  (like
       utimes(2)).

       If  pathname is absolute, then dirfd is ignored.  (See openat(2) for an explanation of why
       the dirfd argument is useful.)

RETURN VALUE

       On success, futimesat() returns a 0.  On error,  -1  is  returned  and  errno  is  set  to
       indicate the error.

ERRORS

       The  same  errors  that occur for utimes(2) can also occur for futimesat().  The following
       additional errors can occur for futimesat():

       EBADF  pathname is relative but dirfd is neither AT_FDCWD nor a valid file descriptor.

       ENOTDIR
              pathname is relative and dirfd is a file descriptor referring to a file other  than
              a directory.

VERSIONS

       futimesat() was added in Linux 2.6.16; library support was added in glibc 2.4.

STANDARDS

       This  system  call  is  nonstandard.   It  was  implemented  from a specification that was
       proposed for POSIX.1, but that specification was replaced by the one for utimensat(2).

       A similar system call exists on Solaris.

NOTES

   glibc notes
       If pathname is NULL, then the glibc futimesat() wrapper function updates the times for the
       file referred to by dirfd.

SEE ALSO

       stat(2), utimensat(2), utimes(2), futimes(3), path_resolution(7)