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// -*- mode: c++; c-basic-offset: 2; -*-
#ifndef BUFFER_HH
#define BUFFER_HH
#include <cstddef>
class Buffer {
public:
virtual ~Buffer() {}
static Buffer* create(size_t capacity, size_t min_avail);
bool empty() const;
virtual void const* read_ptr(size_t* avail) const = 0;
virtual void consume(size_t bytes) = 0;
virtual void* write_ptr(size_t* avail) = 0;
virtual void commit(size_t bytes) = 0;
size_t read(void* data, size_t max);
void write(void const* data, size_t size);
void clear();
protected:
Buffer() {}
Buffer(Buffer const&) = delete;
};
#endif // BUFFER_HH
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