From: Ralf Jung <post@ralfj.de>
Date: Wed, 25 Jul 2018 15:04:36 +0000 (+0200)
Subject: avoid UB by using + instead of array indexing
X-Git-Url: https://git.ralfj.de/web.git/commitdiff_plain/cd8b43d034b2135fd0cc9ddbe3a08a6bc89b554f?ds=inline;hp=522d4f8cd67f4087f533930012b72d4c97ef791a

avoid UB by using + instead of array indexing

Thanks gnzlbg
---

diff --git a/personal/_posts/2018-07-24-pointers-and-bytes.md b/personal/_posts/2018-07-24-pointers-and-bytes.md
index 53daa57..85ba4aa 100644
--- a/personal/_posts/2018-07-24-pointers-and-bytes.md
+++ b/personal/_posts/2018-07-24-pointers-and-bytes.md
@@ -56,7 +56,7 @@ int test() {
     auto x = new int[8];
     auto y = new int[8];
     y[0] = 42;
-    auto x_ptr = &x[8]; // one past the end
+    auto x_ptr = x+8; // one past the end
     if (x_ptr == &y[0])
       *x_ptr = 23;
     return y[0];