view build-aux/arg-nonnull.h @ 15033:7539219da429

mbsrtowcs: Move AC_LIBOBJ invocations to module description. * m4/mbsrtowcs.m4 (gl_FUNC_MBSRTOWCS): Move AC_LIBOBJ and gl_PREREQ_MBSRTOWCS invocations from here... * modules/mbsrtowcs (configure.ac): ... to here.
author Bruno Haible <bruno@clisp.org>
date Sat, 21 May 2011 14:24:51 +0200
parents 97fc9a21a8fb
children
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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 Lesser General Public License as published
   by the Free Software Foundation; either version 2 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 Lesser 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