alloc/foreign: correctly rebase 'offset'

2018-03-02 12:45:27 +11:00 · 2018-03-02 12:45:27 +11:00 · 950ac2229f
commit 950ac2229f
parent a40b1254c1
1 changed files with 3 additions and 1 deletions
--- a/alloc/raw/aligned/foreign.hpp
+++ b/alloc/raw/aligned/foreign.hpp
@ -70,7 +70,9 @@ namespace util::alloc::raw::aligned {

        auto offset (const void *ptr) const
        {
-            return m_successor.offset (ptr);
+            return m_successor.offset (
+                reinterpret_cast<const std::byte*> (ptr) + m_offset
+            );
        }

        auto data (void)       { return m_successor.data () - m_offset; }