mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-25 22:44:05 +00:00
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
// Copyright 2011 Google Inc. All Rights Reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#include <string.h>
|
|
|
|
#include "snappy-sinksource.h"
|
|
|
|
namespace snappy {
|
|
|
|
Source::~Source() { }
|
|
|
|
Sink::~Sink() { }
|
|
|
|
char* Sink::GetAppendBuffer(size_t length, char* scratch) {
|
|
return scratch;
|
|
}
|
|
|
|
ByteArraySource::~ByteArraySource() { }
|
|
|
|
size_t ByteArraySource::Available() const { return left_; }
|
|
|
|
const char* ByteArraySource::Peek(size_t* len) {
|
|
*len = left_;
|
|
return ptr_;
|
|
}
|
|
|
|
void ByteArraySource::Skip(size_t n) {
|
|
left_ -= n;
|
|
ptr_ += n;
|
|
}
|
|
|
|
UncheckedByteArraySink::~UncheckedByteArraySink() { }
|
|
|
|
void UncheckedByteArraySink::Append(const char* data, size_t n) {
|
|
// Do no copying if the caller filled in the result of GetAppendBuffer()
|
|
if (data != dest_) {
|
|
memcpy(dest_, data, n);
|
|
}
|
|
dest_ += n;
|
|
}
|
|
|
|
char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) {
|
|
return dest_;
|
|
}
|
|
|
|
}
|