added CCECTypeUtils::PhysicalAddressIsIncluded()

[deb_libcec.git] / src / lib / CECTypeUtils.h

diff --git a/src/lib/CECTypeUtils.h b/src/lib/CECTypeUtils.h
index 21a651d59fe259fbcabcbb5683aacc3a761143c9..239fc66086ec7eb13caea24191fe9977a1f06cd1 100644 (file)
--- a/src/lib/CECTypeUtils.h
+++ b/src/lib/CECTypeUtils.h
@@ -819,5 +819,16 @@ namespace CEC
         return "unknown";
       }
     }
+
+    static bool PhysicalAddressIsIncluded(uint16_t iParent, uint16_t iChild)
+    {
+      for (int iPtr = 3; iPtr >= 0; iPtr--)
+      {
+        if (((iParent >> 4*iPtr) & 0xF) > 0 &&
+            ((iParent >> 4*iPtr) & 0xF) != ((iChild >> 4*iPtr) & 0xF))
+          return false;
+      }
+      return true;
+    }
   };
 }