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/* A C macro for declaring that specific arguments must not be NULL.

   Copyright (C) 2009, 2010 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published

   by the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools

   that the values passed as arguments n, ..., m must be non-NULL pointers.

   n = 1 stands for the first argument, n = 2 for the second argument etc.  */

#ifndef _GL_ARG_NONNULL

# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3

#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))

# else

#  define _GL_ARG_NONNULL(params)

# endif

#endif