/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "utility.h"

using android::hardware::boot::V1_0::Slot;

bool GetSlotNumber(const std::string& slot, Slot* number) {
    if (slot.size() != 1) {
        return false;
    }
    if (slot[0] < 'a' || slot[0] > 'z') {
        return false;
    }
    *number = slot[0] - 'a';
    return true;
}