Fixed a very obscure bug regarding contiguous vs dynamic backing stor…

…age in arrays of bytes
orlandos-nl · Oct 4, 2017 · dfb2efc · dfb2efc
1 parent d6dda58
commit dfb2efc
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Sources/BSON/DeserializationHelpers.swift b/Sources/BSON/DeserializationHelpers.swift
@@ -1,9 +1,13 @@
+import Foundation
+
 internal func fromBytes<T, S : Collection>(_ bytes: S) throws -> T where S.Iterator.Element == Byte, S.IndexDistance == Int {
     guard bytes.count >= MemoryLayout<T>.size else {
         throw DeserializationError.invalidElementSize
     }
 
-    return UnsafeRawPointer(Bytes(bytes)).assumingMemoryBound(to: T.self).pointee
+    return Data(bytes).withUnsafeBytes { (pointer: UnsafePointer<T>) in
+        return pointer.pointee
+    }
 }
 
 extension Int32 {