ext/lib/encoding/tinycbor/src/cbor_cnt_writer.h

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#ifndef CBOR_CNT_WRITER_H
#define CBOR_CNT_WRITER_H

#include "cbor.h"


#ifdef __cplusplus
extern "C" {
#endif

    /* use this count writer if you want to try out a cbor encoding to see
     * how long it would be (before allocating memory). This replaced the
     * code in tinycbor.h that would try to do this once the encoding failed
     * in a buffer.  Its much easier to understand this way (for me)
     */

struct CborCntWriter {
    struct cbor_encoder_writer enc;
};

static inline int
cbor_cnt_writer(struct cbor_encoder_writer *arg, const char *data, int len) {
    struct CborCntWriter *cb = (struct CborCntWriter *) arg;
    cb->enc.bytes_written += len;
    return CborNoError;
}

static inline void
cbor_cnt_writer_init(struct CborCntWriter *cb) {
    cb->enc.bytes_written = 0;
    cb->enc.write = &cbor_cnt_writer;
}

#ifdef __cplusplus
}
#endif

#endif /* CBOR_CNT_WRITER_H */