From 63ee0e4c01b94aee5fc6c6dd98cfc4480ae5ea46 Mon Sep 17 00:00:00 2001
From: Tim Duesterhus <tim@bastelstu.be>
Date: Wed, 15 Sep 2021 13:58:45 +0200
Subject: [PATCH] DEV: coccinelle: Add xalloc_size.cocci

This commits the Coccinelle patch to clean up sizeof handling for malloc/calloc.
---
 dev/coccinelle/xalloc_size.cocci | 41 ++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 dev/coccinelle/xalloc_size.cocci

diff --git a/dev/coccinelle/xalloc_size.cocci b/dev/coccinelle/xalloc_size.cocci
new file mode 100644
index 000000000..80808e3d7
--- /dev/null
+++ b/dev/coccinelle/xalloc_size.cocci
@@ -0,0 +1,41 @@
+@@
+type T;
+expression E;
+expression t;
+@@
+
+(
+  t = calloc(E, sizeof(*t))
+|
+- t = calloc(E, sizeof(T))
++ t = calloc(E, sizeof(*t))
+)
+
+@@
+type T;
+T *x;
+@@
+
+  x = malloc(
+- sizeof(T)
++ sizeof(*x)
+  )
+
+@@
+type T;
+T *x;
+@@
+
+  x = calloc(1,
+- sizeof(T)
++ sizeof(*x)
+  )
+
+@@
+@@
+
+  calloc(
++ 1,
+  ...
+- ,1
+  )