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#ifndef QR_BITSTREAM_H
#define QR_BITSTREAM_H
#include <stddef.h>
/**
* Note: when writing / reading multiple bits, the
* _most_ significant bits come first in the stream.
* (That is, the order you would naturally write the
* number in binary)
*/
struct qr_bitstream;
struct qr_bitstream * qr_bitstream_create(void);
int qr_bitstream_resize(struct qr_bitstream *, size_t bits);
void qr_bitstream_destroy(struct qr_bitstream *);
struct qr_bitstream * qr_bitstream_copy(const struct qr_bitstream *);
void qr_bitstream_seek(struct qr_bitstream *, size_t pos);
size_t qr_bitstream_tell(const struct qr_bitstream *);
size_t qr_bitstream_remaining(const struct qr_bitstream *);
size_t qr_bitstream_size(const struct qr_bitstream *);
unsigned int qr_bitstream_read(struct qr_bitstream *, size_t bits);
void qr_bitstream_unpack(struct qr_bitstream *,
unsigned int * result,
size_t count,
size_t bitsize);
int qr_bitstream_write(struct qr_bitstream *,
unsigned int value,
size_t bits);
int qr_bitstream_pack(struct qr_bitstream *,
const unsigned int * values,
size_t count,
size_t bitsize);
int qr_bitstream_cat(struct qr_bitstream *, const struct qr_bitstream * src);
#endif
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