summaryrefslogtreecommitdiff
path: root/build-aux/arg-nonnull.h
diff options
context:
space:
mode:
authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:28:30 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:28:30 +0100
commita9a31b1de5776a3b08a82101a4fa711294f0dd1d (patch)
tree159134a624e51509f40ed8823249f09a70d1dda3 /build-aux/arg-nonnull.h
parent5f2b09982312c98863eb9a8dfe2c608b81f58259 (diff)
Imported Upstream version 0.9.6+really0.9.3upstream/0.9.6+really0.9.3
Diffstat (limited to 'build-aux/arg-nonnull.h')
-rw-r--r--build-aux/arg-nonnull.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/build-aux/arg-nonnull.h b/build-aux/arg-nonnull.h
new file mode 100644
index 00000000..7e3e2db8
--- /dev/null
+++ b/build-aux/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