QPID-3004: Get Clang to compile qpid c++

- Add new template function for FieldValue::getIntegerValue() to avoid
  compile error when extracting into 1 byte ints.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1101183 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 13 insertions, 0 deletions

diff --git a/qpid/cpp/include/qpid/framing/FieldValue.h b/qpid/cpp/include/qpid/framing/FieldValue.h
index 19220e74d5..e6255066c4 100644
--- a/qpid/cpp/include/qpid/framing/FieldValue.h
+++ b/qpid/cpp/include/qpid/framing/FieldValue.h
@@ -98,6 +98,7 @@ class FieldValue {
     template <typename T> T get() const { throw InvalidConversionException(); }
 
     template <class T, int W> T getIntegerValue() const;
+    template <class T> T getIntegerValue() const;
     template <class T, int W> T getFloatingPointValue() const;
     template <int W> void getFixedWidthValue(unsigned char*) const;
     template <class T> bool get(T&) const;
@@ -196,6 +197,18 @@ inline T FieldValue::getIntegerValue() const
     }
 }
 
+template <class T>
+inline T FieldValue::getIntegerValue() const
+{
+    FixedWidthValue<1>* const fwv = dynamic_cast< FixedWidthValue<1>* const>(data.get());
+    if (fwv) {
+        uint8_t* octets = fwv->rawOctets();
+        return octets[0];
+    } else {
+        throw InvalidConversionException();
+    }
+}
+
 template <class T, int W>
 inline T FieldValue::getFloatingPointValue() const {
     FixedWidthValue<W>* const fwv = dynamic_cast< FixedWidthValue<W>* const>(data.get());