#include <stdint.h>

#include <stdlib.h>

#include <blosc2.h>

#ifdef __cplusplus

extern "C" {

#endif

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

  size_t nbytes = 0, cbytes = 0, blocksize = 0;

  void *output = NULL;

  if (size < BLOSC_MIN_HEADER_LENGTH) {

    return 0;

  }

  blosc2_init();

  blosc2_set_nthreads(1);

  blosc1_cbuffer_sizes(data, &nbytes, &cbytes, &blocksize);

  if (cbytes != size || nbytes == 0) {

    blosc2_destroy();

    return 0;

  }

  if (blosc1_cbuffer_validate(data, size, &nbytes) != 0) {

    /* Unexpected `nbytes` specified in blosc header */

    blosc2_destroy();

    return 0;

  }

  output = malloc(cbytes);

  if (output != NULL) {

    blosc2_decompress(data, (int32_t)size, output, (int32_t)cbytes);

    free(output);

  }

  blosc2_destroy();

  return 0;

}

#ifdef __cplusplus

}

#endif