From c87f9627efc8b612eb9b000acfcc6731cad15765 Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Tue, 7 Oct 2025 09:12:22 +0200
Subject: Initial commit

---
 src/buffer.hh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 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..685cd36
--- /dev/null
+++ b/src/buffer.hh
@@ -0,0 +1,31 @@
+#ifndef BUFFER_HH
+#define BUFFER_HH
+
+#include <cstddef>
+#include <memory>
+
+class Buffer {
+ public:
+  virtual ~Buffer() = default;
+
+  virtual void const* rptr(size_t& avail, size_t need = 1) = 0;
+  virtual void consume(size_t size) = 0;
+
+  virtual void* wptr(size_t& avail, size_t need = 1) = 0;
+  virtual void commit(size_t size) = 0;
+
+  [[nodiscard]] virtual bool full() const = 0;
+  [[nodiscard]] virtual bool empty() const = 0;
+
+  [[nodiscard]]
+  static std::unique_ptr<Buffer> fixed(size_t size);
+  [[nodiscard]]
+  static std::unique_ptr<Buffer> dynamic(size_t start_size, size_t max_size);
+
+ protected:
+  Buffer() = default;
+  Buffer(Buffer const&) = delete;
+  Buffer& operator=(Buffer const&) = delete;
+};
+
+#endif  // BUFFER_HH
-- 
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