Function ReadBoolFromEnvVar

tensorflow/core/util/env_var.cc:28–46

namespace tensorflow {

Status ReadBoolFromEnvVar(StringPiece env_var_name, bool default_val,
                          bool* value) {
  *value = default_val;
  const char* tf_env_var_val = getenv(string(env_var_name).c_str());
  if (tf_env_var_val == nullptr) {
    return Status::OK();
  }
  string str_value = absl::AsciiStrToLower(tf_env_var_val);
  if (str_value == "0" || str_value == "false") {
    *value = false;
    return Status::OK();
  } else if (str_value == "1" || str_value == "true") {
    *value = true;
    return Status::OK();
  }
  return errors::InvalidArgument(strings::StrCat(
      "Failed to parse the env-var ${", env_var_name, "} into bool: ",
      tf_env_var_val, ". Use the default value: ", default_val));
}

Status ReadInt64FromEnvVar(StringPiece env_var_name, int64 default_val,
                           int64* value) {