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author | Li Jinjing <jinjingx.li@intel.com> | 2014-10-26 22:28:15 +0800 |
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committer | Li Jinjing <jinjingx.li@intel.com> | 2014-10-26 22:28:15 +0800 |
commit | 931b01b091932a1f796c23379ea32abb68bd5895 (patch) | |
tree | 3aa9e1125da84f7e3bd764bbff577c42a766508b /build-aux/snippet/arg-nonnull.h | |
parent | 7be93f2d05131d061bd4790ae33c8d50f50010d7 (diff) | |
download | m4-931b01b091932a1f796c23379ea32abb68bd5895.tar.gz m4-931b01b091932a1f796c23379ea32abb68bd5895.tar.bz2 m4-931b01b091932a1f796c23379ea32abb68bd5895.zip |
Imported Upstream version 1.4.17upstream/1.4.17sandbox/jinjingx/upstream
Diffstat (limited to 'build-aux/snippet/arg-nonnull.h')
-rw-r--r-- | build-aux/snippet/arg-nonnull.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/build-aux/snippet/arg-nonnull.h b/build-aux/snippet/arg-nonnull.h new file mode 100644 index 0000000..8ea2a47 --- /dev/null +++ b/build-aux/snippet/arg-nonnull.h @@ -0,0 +1,26 @@ +/* A C macro for declaring that specific arguments must not be NULL. + Copyright (C) 2009-2013 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 |