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

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  Date : 2018-05-13T13:44:57
  

  doc: Add info about Android versions 2.0 to 8.1.
  
  * doc/**/*.texi: Add info about functions in all released versions of
  Bionic.
  

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• doc/posix-functions/faccessat.texi

• @node faccessat
  @section @code{faccessat}
  @findex faccessat
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/faccessat.html}
  
  Gnulib module: faccessat
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function is missing on some platforms:
  glibc 2.3.6, macOS 10.12, FreeBSD 7.4, NetBSD 6.1.5, OpenBSD 4.9, 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 14, Interix 3.5, BeOS, Android 4.0.4.
  @item
  On some platforms, @code{faccessat (dfd, "file/", amode, flag)}
  succeeds instead of failing when @file{file} is not a directory.
  macOS 10.13.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  The replacement does not always take ACLs into account.
  @item
  The replacement is not safe to be used in libraries.
  @item
  The replacement is not multithread-safe.
  @item
  The replacement does not support the @code{AT_SYMLINK_NOFOLLOW} flag,
  which is supported by GNU @code{faccessat}.
  @end itemize
  
  Other problems of this function:
  @itemize
  @item
  There is an inherent race between calling this function and performing
  some action based on the results; you should think twice before trusting
  this function, especially in a set-uid or set-gid program.
  @end itemize
  

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