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authorThomas White <taw@bitwiz.org.uk>2012-11-24 20:41:54 +0100
committerThomas White <taw@bitwiz.org.uk>2012-11-24 20:41:54 +0100
commitd3b40d8eebe5847c27000278a98e726286233a78 (patch)
treecbd17723848c125cf769f1a921fb6b03d0dad7af /lib/arg-nonnull.h
parentc4f8271ad74d792ace569ad239a995cfe137dcf9 (diff)
Add more gnulib stuff
Diffstat (limited to 'lib/arg-nonnull.h')
-rw-r--r--lib/arg-nonnull.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/arg-nonnull.h b/lib/arg-nonnull.h
new file mode 100644
index 0000000..f0dbac7
--- /dev/null
+++ b/lib/arg-nonnull.h
@@ -0,0 +1,10 @@
+/* _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