readline_buffer: add a couple const
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@ -13,11 +13,11 @@ namespace rdln
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void start();
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void stop();
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int process();
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bool is_running()
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bool is_running() const
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{
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return m_cout_buf != NULL;
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}
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void get_line(std::string& line);
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void get_line(std::string& line) const;
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void set_prompt(const std::string& prompt);
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protected:
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@ -62,7 +62,7 @@ void rdln::readline_buffer::stop()
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remove_line_handler();
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}
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void rdln::readline_buffer::get_line(std::string& line)
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void rdln::readline_buffer::get_line(std::string& line) const
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{
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std::unique_lock<std::mutex> lock(line_mutex);
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have_line.wait(lock);
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