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-rw-r--r--coccinelle/empty-to-null.cocci9
1 files changed, 9 insertions, 0 deletions
diff --git a/coccinelle/empty-to-null.cocci b/coccinelle/empty-to-null.cocci
new file mode 100644
index 0000000..1cc8947
--- /dev/null
+++ b/coccinelle/empty-to-null.cocci
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+@@
+/* Avoid running this transformation on the empty_to_null function itself */
+position p : script:python() { p[0].current_element != "empty_to_null" };
+expression s;
+@@
+
+- isempty@p(s) ? NULL : s
++ empty_to_null(s)