diff --git a/tool/misc/fix_null_pointer_checks.cocci b/tool/misc/fix_null_pointer_checks.cocci
new file mode 100644
index 000000000..058f9e166
--- /dev/null
+++ b/tool/misc/fix_null_pointer_checks.cocci
@@ -0,0 +1,40 @@
+// Replace pointer null checks with boolen operations
+// inverse version of https://github.com/neomutt/coccinelle/blob/master/null-check.cocci
+// License: GPLv2 
+
+@@
+type T;
+identifier I;
+statement S1, S2;
+expression E;
+@@
+
+T *I;
+
+(
+- if (!I)
++ if (I == NULL)
+S1
+|
+- if (I)
++ if (I != NULL)
+S1
+|
+- if (!I)
++ if (I == NULL)
+S1 else S2
+|
+- if (I)
++ if (I != NULL)
+S1 else S2
+|
+if (E) S1 else
+- if (!I)
++ if (I == NULL)
+S1 else S2
+|
+if (E) S1 else
+- if (I)
++ if (I != NULL)
+S1 else S2
+)
diff --git a/tool/misc/ignore_return_mempcy.cocci b/tool/misc/ignore_return_mempcy.cocci
new file mode 100644
index 000000000..2a75a5de7
--- /dev/null
+++ b/tool/misc/ignore_return_mempcy.cocci
@@ -0,0 +1,6 @@
+// Ignore memcpy return
+@@
+expression E1, E2, E3;
+@@
+- memcpy(E1, E2, E3)
++ (void) memcpy(E1, E2, E3)