print to backend

1 files changed, 26 insertions, 0 deletions

diff --git a/backend/print.h b/backend/print.h
new file mode 100644
index 0000000..8fa0501
--- /dev/null
+++ b/backend/print.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <stdio.h>
+
+#include "String.h"
+
+void lprtf(const char * fmt, ...);
+
+class SessionLog {
+public:
+	static SessionLog & get();
+
+private:
+	SessionLog();
+	virtual ~SessionLog();
+
+public:
+	virtual void append(const String & str) const;
+	virtual void append(const char * str) const;
+	virtual void append(const char * buf, size_t buf_size) const;
+
+private:
+	FILE * file = nullptr;
+	static constexpr const bool enable = false;
+};
+