From 49f244406cc8d5a1cfb50b59958a313cf2190d8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
Date: Tue, 23 Jul 2019 10:52:31 -0400
Subject: [PATCH] Add spatch for isc_mem_strdup; it also cannot fail gracefully

---
 cocci/isc_mem_strdup_never_fail.spatch | 33 ++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 cocci/isc_mem_strdup_never_fail.spatch

diff --git a/cocci/isc_mem_strdup_never_fail.spatch b/cocci/isc_mem_strdup_never_fail.spatch
new file mode 100644
index 0000000000..41cccdb8b5
--- /dev/null
+++ b/cocci/isc_mem_strdup_never_fail.spatch
@@ -0,0 +1,33 @@
+@@
+statement S;
+expression V;
+@@
+
+V = isc_mem_strdup(...);
+- if (V == NULL) S
+
+@@
+type T;
+statement S;
+expression V;
+@@
+
+V = (T *)isc_mem_strdup(...);
+- if (V == NULL) S
+
+@@
+statement S;
+expression V;
+@@
+
+if (V == NULL) V = isc_mem_strdup(...);
+- if (V == NULL) S
+
+@@
+statement S1, S2;
+expression V;
+@@
+
+V = isc_mem_strdup(...);
+- if (V == NULL) S1 else { S2 }
++ S2