83eed0a886
Changes include: * CPU check has been broken up into a number of small libraries * BoringSSL option has been removed * Better abseil integration
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// 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 "compressor.h"
|
|
|
|
#include "absl/status/status.h"
|
|
#include "absl/strings/str_format.h"
|
|
#include <zlib.h>
|
|
|
|
namespace cpu_check {
|
|
|
|
absl::Status Zlib::Compress(const MalignBuffer &m,
|
|
MalignBuffer *compressed) const {
|
|
uLongf olen = compressBound(m.size());
|
|
compressed->resize(olen);
|
|
int err = compress2(reinterpret_cast<Bytef *>(compressed->data()), &olen,
|
|
reinterpret_cast<const Bytef *>(m.data()), m.size(),
|
|
Z_BEST_SPEED);
|
|
if (err != Z_OK) {
|
|
return absl::Status(
|
|
absl::StatusCode::kInternal,
|
|
absl::StrFormat("Zlib compression failed: %d srcLen: %d destLen: %d",
|
|
err, m.size(), olen));
|
|
}
|
|
compressed->resize(olen);
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
absl::Status Zlib::Decompress(const MalignBuffer &compressed,
|
|
MalignBuffer *m) const {
|
|
uLongf olen = m->size();
|
|
int err = uncompress(reinterpret_cast<Bytef *>(m->data()), &olen,
|
|
reinterpret_cast<const Bytef *>(compressed.data()),
|
|
compressed.size());
|
|
if (err != Z_OK) {
|
|
return absl::Status(
|
|
absl::StatusCode::kInternal,
|
|
absl::StrFormat("Zlib decompression failed: %d srcLen: %d destLen: %d",
|
|
err, compressed.size(), olen));
|
|
}
|
|
m->resize(olen);
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
}; // namespace cpu_check
|