Re: Out of bounds va_arg access in rpl_fcntl

[Bruno Haible]

> 2018-09-05  Bruno Haible  <address@hidden>
> 
>       fcntl: Don't access nonexistent optional argument.
>       Reported by Frank Busse <address@hidden> in
>       <https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00018.html>.
>       * lib/fcntl.c (rpl_fcntl): For actions that don't take an argument,
>       don't consume an argument. For actions that take an 'int' argument,
>       consume an 'int' argument.

Tested on
  glibc with Linux kernels before 2.6.24, Mac OS X 10.5,
  FreeBSD, NetBSD, OpenBSD,
  AIX 7.1, HP-UX 11, IRIX 6.5, Solaris 11,
  Cygwin, mingw
and pushed.

Bruno