1 files changed, 13 insertions, 0 deletions
diff --git a/source/core/StarBuffer.cpp b/source/core/StarBuffer.cpp
index 5b5b2e4..e8184e3 100644
--- a/source/core/StarBuffer.cpp
+++ b/source/core/StarBuffer.cpp
@@ -2,6 +2,7 @@
 #include "StarMathCommon.hpp"
 #include "StarIODevice.hpp"
 #include "StarFormat.hpp"
+#include "StarLogging.hpp"
 
 namespace Star {
 
@@ -273,6 +274,18 @@ void ExternalBuffer::reset(char const* externalData, size_t len) {
   m_size = len;
 }
 
+IODevicePtr Buffer::clone() {
+  auto cloned = make_shared<Buffer>(*this);
+  // Reset position to 0 while preserving mode and data
+  cloned->seek(0);
+  return cloned;
+}
+
+IODevicePtr ExternalBuffer::clone() {
+  Logger::info("Cloning ExternalBuffer from position {}");
+  return make_shared<ExternalBuffer>(*this);
+}
+
 size_t ExternalBuffer::doRead(size_t pos, char* data, size_t len) {
   if (len == 0)
     return 0;