meta: add compress module for (de)compressing data

compress/function.h

@@ -0,0 +1,24 @@
+#ifndef _FUNCTION_H_
+#define _FUNCTION_H_
+
+#include <blue/compress/compressor.h>
+#include <blue/core/status.h>
+#include <stddef.h>
+
+struct b_compressor;
+
+struct b_compression_function {
+	const char *f_name;
+	size_t f_ctx_size;
+
+	enum b_status (*f_buffer_size)(enum b_compressor_mode, size_t *, size_t *);
+
+	enum b_status (*f_init)(struct b_compressor *);
+	enum b_status (*f_fini)(struct b_compressor *);
+	enum b_status (*f_reset)(struct b_compressor *);
+	enum b_status (*f_compress)(struct b_compressor *);
+	enum b_status (*f_compress_end)(struct b_compressor *);
+	enum b_status (*f_decompress)(struct b_compressor *);
+};
+
+#endif