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-rw-r--r--include/ansidecl.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h
index 40f4a5f..5cd03a7 100644
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -311,6 +311,15 @@ So instead we use the macro below and test it against specific values. */
# endif /* GNUC >= 3.3 */
#endif /* ATTRIBUTE_NONNULL */
+/* Attribute `returns_nonnull' was valid as of gcc 4.9. */
+#ifndef ATTRIBUTE_RETURNS_NONNULL
+# if (GCC_VERSION >= 4009)
+# define ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__))
+# else
+# define ATTRIBUTE_RETURNS_NONNULL
+# endif /* GNUC >= 4.9 */
+#endif /* ATTRIBUTE_RETURNS_NONNULL */
+
/* Attribute `pure' was valid as of gcc 3.0. */
#ifndef ATTRIBUTE_PURE
# if (GCC_VERSION >= 3000)