75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "AmlMpBuffer.h"
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#include <assert.h>
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namespace aml_mp {
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AmlMpBuffer::AmlMpBuffer(size_t capacity)
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: mRangeOffset(0),
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mInt32Data(0),
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mOwnsData(true) {
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mData = malloc(capacity);
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if (mData == NULL) {
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mCapacity = 0;
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mRangeLength = 0;
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} else {
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mCapacity = capacity;
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mRangeLength = capacity;
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}
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}
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AmlMpBuffer::AmlMpBuffer(void *data, size_t capacity)
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: mData(data),
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mCapacity(capacity),
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mRangeOffset(0),
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mRangeLength(capacity),
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mInt32Data(0),
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mOwnsData(false) {
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}
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// static
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sptr<AmlMpBuffer> AmlMpBuffer::CreateAsCopy(const void *data, size_t capacity)
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{
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sptr<AmlMpBuffer> res = new AmlMpBuffer(capacity);
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if (res->base() == NULL) {
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return NULL;
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}
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memcpy(res->data(), data, capacity);
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return res;
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}
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AmlMpBuffer::~AmlMpBuffer() {
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if (mOwnsData) {
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if (mData != NULL) {
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free(mData);
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mData = NULL;
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}
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}
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}
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void AmlMpBuffer::setRange(size_t offset, size_t size) {
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assert(offset <= mCapacity);
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assert(offset + size <= mCapacity);
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mRangeOffset = offset;
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mRangeLength = size;
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}
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} // namespace android
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