arg-nonnull.h
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arg-nonnull.h
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	/* A C macro for declaring that specific arguments must not be NULL.
	Copyright (C) 2009-2011 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
	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