/* nettle-internal.h

   Things that are used only by the testsuite and benchmark, and
   not included in the library.

   Copyright (C) 2002, 2014 Niels Möller

   This file is part of GNU Nettle.

   GNU Nettle is free software: you can redistribute it and/or
   modify it under the terms of either:

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at your
       option) any later version.

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at your
       option) any later version.

   or both in parallel, as here.

   GNU Nettle 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
   General Public License for more details.

   You should have received copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see https://www.gnu.org/licenses/.
*/

#ifndef GNUTLS_LIB_NETTLE_GOST_NETTLE_INTERNAL_H
#define GNUTLS_LIB_NETTLE_GOST_NETTLE_INTERNAL_H

/* Temporary allocation, for systems that don't support alloca. Note
 * that the allocation requests should always be reasonably small, so
 * that they can fit on the stack. For non-alloca systems, we use a
 * fix maximum size, and abort if we ever need anything larger. */

#if HAVE_ALLOCA
# define TMP_DECL(name, type, max) type *name
# define TMP_ALLOC(name, size) (name = alloca(sizeof (*name) * (size)))
#else /* !HAVE_ALLOCA */
# define TMP_DECL(name, type, max) type name[max]
# define TMP_ALLOC(name, size) \
  do { if ((size) > (sizeof(name) / sizeof(name[0]))) abort(); } while (0)
#endif 

#endif /* GNUTLS_LIB_NETTLE_GOST_NETTLE_INTERNAL_H */
