MDEV-8693 Tests connect.bin connect.endian fail on armhf (on Debian build system)

1 files changed, 20 insertions, 0 deletions

diff --git a/storage/connect/value.h b/storage/connect/value.h
index 780917c9962..471da851423 100644
--- a/storage/connect/value.h
+++ b/storage/connect/value.h
@@ -116,6 +116,26 @@ class DllExport VALUE : public BLOCK {
   virtual bool   Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
   virtual bool   FormatValue(PVAL vp, char *fmt) = 0;
 
+  /**
+    Set value from a non-aligned in-memory value in the machine byte order.
+    TYPE can be either of:
+    - int, short, longlong
+    - uint, ushort, ulonglong
+    - float, double
+    @param - a pointer to a non-aligned value of type TYPE.
+  */
+  template<typename TYPE>
+  void SetValueNonAligned(const char *p)
+  {
+#if defined(__i386__) || defined(__x86_64__)
+    SetValue(*((TYPE*) p)); // x86 can cast non-aligned memory directly
+#else
+    TYPE tmp;               // a slower version for non-x86 platforms
+    memcpy(&tmp, p, sizeof(tmp));
+    SetValue(tmp);
+#endif
+  }
+
  protected:
   virtual bool   SetConstFormat(PGLOBAL, FORMAT&) = 0;
   const   char  *GetXfmt(void);