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// 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_;
}
}
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