[bpt/emacs.git] / arg-nonnull.h

/* 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
Commit	Line	Data
1fd182f0 PE	1	/* A C macro for declaring that specific arguments must not be NULL.
	2	Copyright (C) 2009-2011 Free Software Foundation, Inc.
	3
	4	This program is free software: you can redistribute it and/or modify it
	5	under the terms of the GNU General Public License as published
	6	by the Free Software Foundation; either version 3 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
988c07df	12	General Public License for more details.
1fd182f0 PE	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	16
	17	/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
	18	that the values passed as arguments n, ..., m must be non-NULL pointers.
	19	n = 1 stands for the first argument, n = 2 for the second argument etc. */
	20	#ifndef _GL_ARG_NONNULL
	21	# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) \|\| __GNUC__ > 3
	22	# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
	23	# else
	24	# define _GL_ARG_NONNULL(params)
	25	# endif
	26	#endif