Function GetEnvVarInteger

cpp/src/arrow/util/io_util.cc:1824–1834

#endif

Result<int64_t> GetEnvVarInteger(std::string_view name, std::optional<int64_t> min_value,
                                 std::optional<int64_t> max_value) {
  ARROW_ASSIGN_OR_RAISE(auto env_string, GetEnvVar(name));
  int64_t value;
  if (!ParseValue<Int64Type>(env_string.data(), env_string.length(), &value) ||
      (min_value.has_value() && value < *min_value) ||
      (max_value.has_value() && value > *max_value)) {
    return Status::Invalid("Invalid value for ", name, ": '", env_string, "'");
  }
  return value;
}

Status SetEnvVar(std::string_view name, std::string_view value) {
#ifdef _WIN32