source: thirdparty/blosc/internal-complibs/snappy-1.1.1/snappy-sinksource.cxx @ 8ebc79b

Revision 8ebc79b, 2.3 KB checked in by Hal Finkel <hfinkel@…>, 8 years ago (diff)

Add the other internal compression libraries from blocs

  • Property mode set to 100644
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1// Copyright 2011 Google Inc. All Rights Reserved.
2//
3// Redistribution and use in source and binary forms, with or without
4// modification, are permitted provided that the following conditions are
5// met:
6//
7//     * Redistributions of source code must retain the above copyright
8// notice, this list of conditions and the following disclaimer.
9//     * Redistributions in binary form must reproduce the above
10// copyright notice, this list of conditions and the following disclaimer
11// in the documentation and/or other materials provided with the
12// distribution.
13//     * Neither the name of Google Inc. nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29#include <string.h>
30
31#include "snappy-sinksource.h"
32
33namespace snappy {
34
35Source::~Source() { }
36
37Sink::~Sink() { }
38
39char* Sink::GetAppendBuffer(size_t length, char* scratch) {
40  return scratch;
41}
42
43ByteArraySource::~ByteArraySource() { }
44
45size_t ByteArraySource::Available() const { return left_; }
46
47const char* ByteArraySource::Peek(size_t* len) {
48  *len = left_;
49  return ptr_;
50}
51
52void ByteArraySource::Skip(size_t n) {
53  left_ -= n;
54  ptr_ += n;
55}
56
57UncheckedByteArraySink::~UncheckedByteArraySink() { }
58
59void UncheckedByteArraySink::Append(const char* data, size_t n) {
60  // Do no copying if the caller filled in the result of GetAppendBuffer()
61  if (data != dest_) {
62    memcpy(dest_, data, n);
63  }
64  dest_ += n;
65}
66
67char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) {
68  return dest_;
69}
70
71}
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