datetime_exceptions.h

#ifndef _MY_DATETIME_EXCEPTIONS_
#define _MY_DATETIME_EXCEPTIONS_
 
#include <stdexcept>
#include <string>
namespace EZ
{
    class DatetimeException : std::exception
    {
        const char *m_msg;
 
    public:
        DatetimeException(const char *msg) : m_err(msg)
        {
        }
        DatetimeException(const std::string str) : m_err(str.c_str())
        {
        }
 
        const char *what() const throw()
        {
            return m_err.what();
        }
 
    private:
        // use runtime_error to store error messages
        std::runtime_error m_err;
    };
}
#endif