From e3da8a1fd9d76456f42731a05cd5162036179a97 Mon Sep 17 00:00:00 2001
From: Amir Livneh <alivneh@fb.com>
Date: Thu, 21 Mar 2019 14:06:02 -0400
Subject: [PATCH] Add example for E.28 (#1385)

---
 CppCoreGuidelines.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index f562b1f..eaa0f18 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -16079,7 +16079,15 @@ When did you last test the return value of `printf()`?
 
 ##### Example, bad
 
-    ???
+    int last_err;
+
+    void f(int n)
+    {
+        // ...
+        p = static_cast<X*>(malloc(n * sizeof(X)));
+        if (!p) last_err = -1;     // error if memory is exhausted
+        // ...
+    }
 
 ##### Note