ropkg/libropkg/compress.h

#ifndef COMPRESS_H_
#define COMPRESS_H_

#include <ropkg/compress.h>

struct ropkg_compression_function {
	const char *f_name;
	const char *f_extension;
	enum ropkg_status (*f_buffer_size)(
		enum ropkg_compression_stream_mode,
		size_t *,
		size_t *);
	enum ropkg_status (*f_open)(
		const struct ropkg_compression_function *,
		enum ropkg_compression_stream_mode,
		void *,
		size_t,
		void *,
		size_t,
		struct ropkg_compression_stream **);
	enum ropkg_status (*f_close)(struct ropkg_compression_stream *);
	enum ropkg_status (*f_process)(
		struct ropkg_compression_stream *,
		size_t,
		enum ropkg_compression_stream_op,
		size_t *);
};

struct ropkg_compression_stream {
	const struct ropkg_compression_function *s_func;
	enum ropkg_compression_stream_mode s_mode;
	void *s_in, *s_out;
	size_t s_in_max, s_out_max;
};

#endif