mirror of
https://gitee.com/openharmony/arkcompiler_runtime_core
synced 2024-10-07 05:43:39 +00:00
ae1c25a17a
Use buffer when write abc file to speed up file writing Add UT for new interfaces ReserveBufferCapacity and RewriteChecksum Issue: #I6OAHL Signed-off-by: qiuyu <qiuyu22@huawei.com> Change-Id: Ie50b83aa9c08c27223f8b4ad40aa6536e5116ba1
76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/**
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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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 "file_writer.h"
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#include "zlib.h"
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namespace panda::panda_file {
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FileWriter::FileWriter(const std::string &file_name) : checksum_(adler32(0, nullptr, 0))
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{
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#ifdef PANDA_TARGET_WINDOWS
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constexpr char const *mode = "wb";
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#else
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constexpr char const *mode = "wbe";
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#endif
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file_ = fopen(file_name.c_str(), mode);
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}
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FileWriter::~FileWriter()
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{
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if (file_ != nullptr) {
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fclose(file_);
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}
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}
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bool FileWriter::WriteByte(uint8_t data)
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{
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if (LIKELY(count_checksum_)) {
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checksum_ = adler32(checksum_, &data, 1u);
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}
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buffer_.push_back(data);
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return true;
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}
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bool FileWriter::WriteBytes(const std::vector<uint8_t> &bytes)
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{
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if (UNLIKELY(bytes.empty())) {
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return true;
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}
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if (LIKELY(count_checksum_)) {
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checksum_ = adler32(checksum_, bytes.data(), bytes.size());
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}
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buffer_.insert(buffer_.end(), bytes.begin(), bytes.end());
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return true;
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}
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bool FileWriter::FinishWrite()
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{
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if (file_ == nullptr) {
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return false;
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}
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const auto &buf = GetBuffer();
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auto length = buf.size();
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bool ret = fwrite(buf.data(), sizeof(decltype(buf.back())), length, file_) == length;
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fclose(file_);
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file_ = nullptr;
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return ret;
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}
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} // namespace panda::panda_file
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