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/* idn-free.h --- Invoke the `free' function releasing memory
 *                allocated by libidn functions.
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Simon
 * Josefsson
 *
 * This file is part of GNU Libidn.
 *
 * GNU Libidn 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.
 *
 * GNU Libidn 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 GNU Libidn; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 *
 */

#ifndef IDN_FREE_H
# define IDN_FREE_H

# ifndef IDNAPI
#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
#   define IDNAPI __attribute__((__visibility__("default")))
#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
#   define IDNAPI __declspec(dllexport)
#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
#   define IDNAPI __declspec(dllimport)
#  else
#   define IDNAPI
#  endif
# endif

/* I don't recommend using this interface in general.  Use `free'.
 *
 * I'm told Microsoft Windows may use one set of `malloc' and `free'
 * in a library, and another incompatible set in a statically compiled
 * application that link to the library, thus creating problems if the
 * application would invoke `free' on a pointer pointing to memory
 * allocated by the library.  This motivated adding this function.
 *
 * The theory of isolating all memory allocations and de-allocations
 * within a code package (library) sounds good, to simplify hunting
 * down memory allocation related problems, but I'm not sure if it is
 * worth enough to motivate recommending this interface over calling
 * `free' directly, though.
 *
 * See the manual section 'Memory handling under Windows' for more
 * information.
 */

extern void IDNAPI idn_free (void *ptr);

#endif /* IDN_FREE_H */