Free the allocated memory when deleting an ExifTag.

2 files changed, 10 insertions, 0 deletions

diff --git a/src/exiv2wrapper.cpp b/src/exiv2wrapper.cpp
index 4412966..de53b94 100644
--- a/src/exiv2wrapper.cpp
+++ b/src/exiv2wrapper.cpp
@@ -572,6 +572,14 @@ ExifTag::ExifTag(const std::string& key, Exiv2::Exifdatum* datum, Exiv2::ExifDat
     _sectionDescription = Exiv2::ExifTags::sectionDesc(tag, ifd);
 }
 
+ExifTag::~ExifTag()
+{
+    if (_data == 0)
+    {
+        delete _datum;
+    }
+}
+
 void ExifTag::setRawValue(const std::string& value)
 {
     _datum->setValue(value);
diff --git a/src/exiv2wrapper.hpp b/src/exiv2wrapper.hpp
index 2be1855..29c266b 100644
--- a/src/exiv2wrapper.hpp
+++ b/src/exiv2wrapper.hpp
@@ -42,6 +42,8 @@ public:
     // Constructor
     ExifTag(const std::string& key, Exiv2::Exifdatum* datum=0, Exiv2::ExifData* data=0);
 
+    ~ExifTag();
+
     void setRawValue(const std::string& value);
 
     const std::string getKey();