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-rw-r--r--kernel/src/kapi/cio.cpp36
1 files changed, 0 insertions, 36 deletions
diff --git a/kernel/src/kapi/cio.cpp b/kernel/src/kapi/cio.cpp
deleted file mode 100644
index 01c6420..0000000
--- a/kernel/src/kapi/cio.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "kapi/cio.hpp"
-
-#include <optional>
-#include <string_view>
-#include <utility>
-
-namespace teachos::cio
-{
- namespace
- {
- struct null_device final : public output_device
- {
- null_device static instance;
- auto write(output_stream, std::string_view) -> void override {}
- };
-
- constinit null_device null_device::instance;
- } // namespace
-
- constinit auto static active_device = static_cast<output_device *>(&null_device::instance);
-
- auto set_output_device(output_device & device) -> std::optional<output_device *>
- {
- if (&device == active_device)
- {
- return {};
- }
- return std::exchange(active_device, &device);
- }
-
- auto write(output_stream stream, std::string_view text) -> void
- {
- active_device->write(stream, text);
- }
-
-} // namespace teachos::cio