Add example for E.28 (#1385)

7 years ago · e3da8a1fd9
parent c2a5785d7e
commit e3da8a1fd9
1 changed files with 9 additions and 1 deletions
--- 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