kc3-lang/gnulib/doc/posix-functions/fchmodat.texi

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• Hash : afe598a5
  Author :
  Date : 2011-11-02T10:07:20
  

  New module 'fchmodat', split off from module 'openat'.
  
  * lib/openat.h (chmodat, lchmodat): Enable only if GNULIB_FCHMODAT is
  defined.
  * m4/fchmodat.m4: New file, extracted from m4/openat.m4.
  * m4/openat.m4 (gl_FUNC_OPENAT): Don't set GNULIB_FCHMODAT. Don't test
  for fchmodat, lchmod. Don't set HAVE_FCHMODAT.
  * modules/fchmodat: New file, extracted from modules/openat.
  * modules/openat (Files): Remove lib/fchmodat.c.
  (configure.ac): Remove AC_LIBOBJ of fchmodat.
  * modules/fchmodat-tests: New file, extracted from modules/openat-tests.
  * modules/openat-tests (Files): Remove tests/test-fchmodat.c.
  (Makefile.am): Remove rules for test-fchmodat.
  * doc/posix-functions/fchmodat.texi: Mention module 'fchmodat' instead
  of module 'openat'.
  * NEWS: Mention the change.
  

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• doc/posix-functions/fchmodat.texi

• @node fchmodat
  @section @code{fchmodat}
  @findex fchmodat
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fchmodat.html}
  
  Gnulib module: fchmodat
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function is missing on some platforms:
  glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8,
  AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
  But the replacement function is not safe to be used in libraries and is not multithread-safe.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  Some platforms do not allow changing the access bits on symbolic
  links.  POSIX states that @code{fchmodat(@dots{},AT_SYMLINK_NOFOLLOW)}
  may fail with @code{EOPNOTSUPP} when called on a symlink, but some
  platforms, as well as the gnulib replacement, fail for any use of
  AT_SYMLINK_NOFOLLOW even if the target was not a symlink:
  glibc, Cygwin.
  @end itemize
  

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