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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 "common/libs/utils/size_utils.h"
#include <unistd.h>
namespace cvd {
uint32_t AlignToPageSize(uint32_t val) {
static uint32_t page_size = sysconf(_SC_PAGESIZE);
return ((val + (page_size - 1)) / page_size) * page_size;
}
uint32_t RoundUpToNextPowerOf2(uint32_t val) {
uint32_t power_of_2 = 1;
while (power_of_2 < val) {
power_of_2 *= 2;
}
return power_of_2;
}
uint32_t AlignToPowerOf2(uint32_t val, uint8_t align_log) {
uint32_t align = 1 << align_log;
return ((val + (align - 1)) / align) * align;
}
} // namespace cvd
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