platform_system_core/fastboot/device/utility.cpp

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/*
* 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;
}