mirror of
https://github.com/openharmony/ark_runtime_core.git
synced 2026-07-19 13:17:49 -04:00
dongkaixing
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2021 Huawei Device Co., Ltd.
|
|
* 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 "file_writer.h"
|
|
#include "zlib.h"
|
|
|
|
namespace panda::panda_file {
|
|
|
|
FileWriter::FileWriter(const std::string &file_name) : offset_(0), checksum_(adler32(0, nullptr, 0))
|
|
{
|
|
#ifdef PANDA_TARGET_WINDOWS
|
|
constexpr char const *mode = "wb";
|
|
#else
|
|
constexpr char const *mode = "wbe";
|
|
#endif
|
|
|
|
file_ = fopen(file_name.c_str(), mode);
|
|
}
|
|
|
|
FileWriter::~FileWriter()
|
|
{
|
|
if (file_ != nullptr) {
|
|
fclose(file_);
|
|
}
|
|
}
|
|
|
|
bool FileWriter::WriteByte(uint8_t data)
|
|
{
|
|
if (count_checksum_) {
|
|
checksum_ = adler32(checksum_, &data, 1);
|
|
}
|
|
return WriteBytes({data});
|
|
}
|
|
|
|
bool FileWriter::WriteBytes(const std::vector<uint8_t> &bytes)
|
|
{
|
|
if (file_ == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
if (bytes.empty()) {
|
|
return true;
|
|
}
|
|
|
|
if (count_checksum_) {
|
|
checksum_ = adler32(checksum_, bytes.data(), bytes.size());
|
|
}
|
|
|
|
if (fwrite(bytes.data(), sizeof(decltype(bytes.back())), bytes.size(), file_) != bytes.size()) {
|
|
return false;
|
|
}
|
|
|
|
offset_ += bytes.size();
|
|
return true;
|
|
}
|
|
|
|
} // namespace panda::panda_file
|