1 files changed, 14 insertions, 0 deletions
diff --git a/include/tools/bigint.hxx b/include/tools/bigint.hxx
index 6683f07e3121..db8c3bcd1b1c 100644
--- a/include/tools/bigint.hxx
+++ b/include/tools/bigint.hxx
@@ -88,6 +88,9 @@ public:
     operator        sal_Int32() const;
     operator        sal_uInt32() const;
     operator        double() const;
+#if SAL_TYPES_SIZEOFPOINTER == 8
+    operator        tools::Long() const;
+#endif
 
     bool            IsSet() const { return bIsSet; }
     bool            IsNeg() const;
@@ -153,6 +156,17 @@ inline BigInt::operator sal_uInt32() const
     return 0;
 }
 
+#if SAL_TYPES_SIZEOFPOINTER == 8
+inline BigInt::operator tools::Long() const
+{
+    // Clamp to int32 since long is int32 on Windows.
+    if (!bIsBig)
+        return nVal;
+    assert(false && "out of range");
+    return 0;
+}
+#endif
+
 inline BigInt& BigInt::operator =( sal_Int32 nValue )
 {
     bIsSet = true;