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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "port/port_chromium.h"
#include <cstddef>
#include <cstdint>
#include <string>
#include "third_party/crc32c/src/include/crc32c/crc32c.h"
#include "third_party/snappy/src/snappy.h"
namespace leveldb {
namespace port {
bool Snappy_Compress(const char* input,
size_t input_length,
std::string* output) {
output->resize(snappy::MaxCompressedLength(input_length));
size_t outlen;
snappy::RawCompress(input, input_length, &(*output)[0], &outlen);
output->resize(outlen);
return true;
}
bool Snappy_GetUncompressedLength(const char* input_data,
size_t input_length,
size_t* result) {
return snappy::GetUncompressedLength(input_data, input_length, result);
}
bool Snappy_Uncompress(const char* input_data,
size_t input_length,
char* output) {
return snappy::RawUncompress(input_data, input_length, output);
}
uint32_t AcceleratedCRC32C(uint32_t crc, const char* buf, size_t size) {
return crc32c::Extend(crc, reinterpret_cast<const uint8_t*>(buf), size);
}
} // namespace port
} // namespace leveldb
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