/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
/* Return 1 if the whole area PTR .. PTR+SIZE is not writable.
Return -1 if it is writable. */
__readonly_area (const void *ptr, size_t size)
/* We cannot determine in general whether memory is writable or not.
This must be handled in a system-dependent manner. to not
unconditionally break code we need to return here a positive
answer. This disables this security measure but that is the
price people have to pay for using systems without a real
implementation of this interface. */