uint64_t sparkey_iter_hash()

in src/hashiter.c [23:45]

• 23 lines of code
• 4 McCabe index (conditional complexity)

uint64_t sparkey_iter_hash(sparkey_hashheader *hash_header, sparkey_logiter *iter, sparkey_logreader *log) {
  uint8_t *buf;
  uint64_t len;
  sparkey_returncode returncode = sparkey_logiter_keychunk(iter, log, 1 << 31, &buf, &len);
  if (returncode != SPARKEY_SUCCESS) {
    return 0;
  }
  if (len == iter->keylen) {
    return hash_header->hash_algorithm.hash(buf, len, hash_header->hash_seed);
  } else {
    uint8_t *keybuf = malloc(iter->keylen);
    memcpy(keybuf, buf, len);
    uint64_t len2;
    returncode = sparkey_logiter_fill_key(iter, log, 1 << 31, keybuf + len, &len2);
    if (len + len2 != iter->keylen) {
      free(keybuf);
      return 0;
    }
    uint64_t hash = hash_header->hash_algorithm.hash(keybuf, iter->keylen, hash_header->hash_seed);
    free(keybuf);
    return hash;
  }
}