Thank you very much!
On Sun, Aug 15, 2021, 19:05 Robert Middleton <osfan6...@gmail.com> wrote:
> Technical reason:
> Since the new version of log4cxx uses std::shared_ptr(instead of the
> homegrown smart pointer solution), you need to slightly modify your code to
> work. The reason for the shared_ptr is that it's standard, and it fixes
> some bugs with regards to reference counting. The original homegrown
> solution was implicitly convertible to/from a pointer; shared_ptr is not.
>
> Create a typedef for your appender using the LOG4CXX_PTR_DEF macro:
>
> LOG4CXX_PTR_DEF(ROSConsoleStdioAppender)
>
> Then just create a new shared_ptr with your typedef:
>
> ROSConsoleStdioAppenderPtr(new ROSConsoleStdioAppender());
>
> -Robert Middleton
>
> On Sun, Aug 15, 2021 at 5:37 AM Achmad Fathoni <fathoni...@gmail.com>
> wrote:
>
>> This sample program can be compiled with 0.11.0 but not 0.12.0. The error
>> is "Cannot convert ‘ROSConsoleStdioAppender*’ to ‘log4cxx::App
>> enderPtr’ {aka ‘std::shared_ptr<log4cxx::Appender>’}". What change do I
>> need to make it works with 0,12.0? Thank you.
>>
>> #include <log4cxx/log4cxx.h>
>> #include <log4cxx/basicconfigurator.h>
>> #include <log4cxx/helpers/exception.h>
>> #include <log4cxx/logger.h>
>> #include <log4cxx/level.h>
>> #include <log4cxx/appenderskeleton.h>
>>
>> using namespace log4cxx;
>> using namespace log4cxx::helpers;
>>
>> class ROSConsoleStdioAppender : public log4cxx::AppenderSkeleton
>> {
>> public:
>> ~ROSConsoleStdioAppender()
>> {
>> }
>>
>> protected:
>> virtual void append(const log4cxx::spi::LoggingEventPtr& event,
>> log4cxx::helpers::Pool&)
>> {
>> }
>>
>> virtual void close()
>> {
>> }
>>
>> virtual bool requiresLayout() const
>> {
>> return false;
>> }
>> };
>>
>> int main(){
>> LoggerPtr logger(Logger::getLogger("main"));
>> logger->addAppender(new ROSConsoleStdioAppender);
>> return 0;
>> }
>>
>
