text: #ifndef ALEXCPT_H
  #define ALEXCPT_H
  
  #include <exception>
  #include <string>
  
  #include "AL/alc.h"
  
  
  #ifdef __GNUC__
  #define ALEXCPT_FORMAT(x, y, z) __attribute__((format(x, (y), (z))))
  #else
  #define ALEXCPT_FORMAT(x, y, z)
  #endif
  
  
  namespace al {
  
  class backend_exception final : public std::exception {
      std::string mMessage;
      ALCenum mErrorCode;
  
  public:
      backend_exception(ALCenum code, const char *msg, ...) ALEXCPT_FORMAT(printf, 3,4);
  
      const char *what() const noexcept override { return mMessage.c_str(); }
      ALCenum errorCode() const noexcept { return mErrorCode; }
  };
  
  } // namespace al
  
  #define START_API_FUNC try
  
  #define END_API_FUNC catch(...) { std::terminate(); }
  
  #endif /* ALEXCPT_H */
  