diff options
author | Thomas White <taw@bitwiz.org.uk> | 2010-12-07 20:09:06 -0700 |
---|---|---|
committer | Thomas White <taw@physics.org> | 2012-02-22 15:27:08 +0100 |
commit | 4a2a0d658d251371c136efe5160ba5081498f970 (patch) | |
tree | d54ce9ac8e5a0c2db6857ce67a1d7ae8d57e391f /arg-nonnull.h | |
parent | 3312f6e4fa3748a1519dfcead41d4931e00fcd6a (diff) |
Add more missing things
Diffstat (limited to 'arg-nonnull.h')
-rw-r--r-- | arg-nonnull.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arg-nonnull.h b/arg-nonnull.h new file mode 100644 index 00000000..7e3e2db8 --- /dev/null +++ b/arg-nonnull.h @@ -0,0 +1,26 @@ +/* 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 |