From b4d6df902253637f24647d3db2bc3781d69eec1c Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Thu, 20 Feb 2025 22:54:56 +0100
Subject: Initial commit

---
 src/buffer.hh | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/buffer.hh

(limited to 'src/buffer.hh')

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
-- 
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