3 files changed, 18 insertions, 0 deletions
diff --git a/includes/Exceptions.h b/includes/Exceptions.h
index 39f3239..b6730c1 100644
--- a/includes/Exceptions.h
+++ b/includes/Exceptions.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cxxabi.h>
 #include <BString.h>
 
 namespace Balau {
@@ -21,6 +22,21 @@ class GeneralException {
 
 static inline void AssertHelper(const String & msg) throw(GeneralException) { throw GeneralException(msg); }
 
+class ClassName {
+  public:
+      template<typename T> ClassName(T * ptr);
+      ~ClassName() { free(m_demangled); }
+    const char * c_str() const { return m_demangled; }
+  private:
+    char * m_demangled;
+};
+
+template<typename T>
+ClassName::ClassName(T * ptr) {
+    int status;
+    m_demangled = abi::__cxa_demangle(typeid(*ptr).name(), 0, 0, &status);
+}
+
 };
 
 #define Assert(c) if (!(c)) { \
diff --git a/includes/Handle.h b/includes/Handle.h
index f2b78ad..489ab75 100644
--- a/includes/Handle.h
+++ b/includes/Handle.h
@@ -53,6 +53,7 @@ class IO {
 
 class SeekableHandle : public Handle {
   public:
+      SeekableHandle() : m_wOffset(0), m_rOffset(0) { }
     virtual bool canSeek();
     virtual void rseek(off_t offset, int whence = SEEK_SET) throw (GeneralException);
     virtual void wseek(off_t offset, int whence = SEEK_SET) throw (GeneralException);
diff --git a/includes/Input.h b/includes/Input.h
index 7f801f6..71e6845 100644
--- a/includes/Input.h
+++ b/includes/Input.h
@@ -9,6 +9,7 @@ class Input : public SeekableHandle {
       Input(const char * fname) throw (GeneralException);
     virtual void close() throw (GeneralException);
     virtual bool isClosed();
+    virtual bool canRead();
     virtual const char * getName();
     virtual off_t getSize();
     virtual time_t getMTime();