contrib/coccinnelle: add equals-null.cocci
Add a coccinelle semantic patch necessary to reinforce the git coding style guideline: "Do not explicitly compute an integral value with constant 0 or '\ 0', or a pointer value with constant NULL." Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Elia Pinto committed
Apr 30, 2022 at 04:13 UTC
7a618493facb79639231f797e492fab51fac2ba4
1 file changed
+30
contrib/coccinelle/equals-null.cocci
+30
new file mode 100644
index 0000000000..92c7054013
--- /dev/null
+++ b/contrib/coccinelle/equals-null.cocci
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+@@
+expression e;
+statement s;
+@@
+if (
+(
+!e
+|
+- e == NULL
++ !e
+)
+ )
+ {...}
+else s
+
+@@
+expression e;
+statement s;
+@@
+if (
+(
+e
+|
+- e != NULL
++ e
+)
+ )
+ {...}
+else s