#1244 Fix crwimage.cpp to read into memory (to make CRW work with RemoteIo).

src/crwimage.cpp

@@ -131,6 +131,16 @@ namespace Exiv2 {
             throw Error(33);
         }
         clearMetadata();
+        // read all metadata into memory
+        // we should put this into clearMetadata(), however it breaks the test suite!
+        try {
+            std::ofstream devnull;
+            printStructure(devnull,kpsRecursive,0);
+        } catch (Exiv2::Error& e) {
+            DataBuf file(io().size());
+            io_->read(file.pData_,file.size_);
+        }
+
         CrwParser::decode(this, io_->mmap(), io_->size());
 
     } // CrwImage::readMetadata