1 files changed, 25 insertions, 0 deletions
diff --git a/src/buffer.hh b/src/buffer.hh
new file mode 100644
index 0000000..ae02e23
--- /dev/null
+++ b/src/buffer.hh
@@ -0,0 +1,25 @@
+#ifndef BUFFER_HH
+#define BUFFER_HH
+
+#include "ro_buffer.hh"
+
+#include <memory>
+
+class Buffer : public RoBuffer {
+public:
+  static std::unique_ptr<Buffer> fixed(size_t size);
+  static std::unique_ptr<Buffer> growing(size_t base_size, size_t max_size);
+  // Acts as /dev/null, ie always empty, can write anything to it.
+  static std::unique_ptr<Buffer> null();
+
+  virtual bool full() const = 0;
+
+  virtual void clear() = 0;
+
+  virtual char* wbuf(size_t request, size_t& avail) = 0;
+  virtual void wcommit(size_t bytes) = 0;
+
+  size_t write(void const* data, size_t len);
+};
+
+#endif  // BUFFER_HH