#ifndef LIBRT_STRINGS_H

#define LIBRT_STRINGS_H

#include <stdbool.h>

#include <Python.h>

#include "librt_strings_common.h"

// ABI version -- only an exact match is compatible. This will only be changed in

// very exceptional cases (likely never) due to strict backward compatibility

// requirements.

#define LIBRT_STRINGS_ABI_VERSION 1

// API version -- more recent versions must maintain backward compatibility, i.e.

// we can add new features but not remove or change existing features (unless

// ABI version is changed, but see the comment above).

#define LIBRT_STRINGS_API_VERSION 4

// Number of functions in the capsule API. If you add a new function, also increase

// LIBRT_STRINGS_API_VERSION.

#define LIBRT_STRINGS_API_LEN 14

typedef struct {

PyObject_HEAD

char *buf; // Beginning of the buffer

char kind; // Bytes per code point (1, 2 or 4)

Py_ssize_t len; // Current length (number of code points written)

Py_ssize_t capacity; // Total capacity of the buffer (number of code points)

char data[WRITER_EMBEDDED_BUF_LEN]; // Default buffer

} StringWriterObject;

#endif // LIBRT_STRINGS_H