github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/image/rawp/librawp/src/snappy/rawp-snappy-sinksource.cc (about)

     1  // Copyright 2011 Google Inc. All Rights Reserved.
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     3  // Redistribution and use in source and binary forms, with or without
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     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
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    13  //     * Neither the name of Google Inc. nor the names of its
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    15  // this software without specific prior written permission.
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    17  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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    28  
    29  #include <string.h>
    30  
    31  #include "rawp-snappy-sinksource.h"
    32  
    33  namespace rawp {
    34  namespace snappy {
    35  
    36  Source::~Source() { }
    37  
    38  Sink::~Sink() { }
    39  
    40  char* Sink::GetAppendBuffer(size_t length, char* scratch) {
    41    return scratch;
    42  }
    43  
    44  ByteArraySource::~ByteArraySource() { }
    45  
    46  size_t ByteArraySource::Available() const { return left_; }
    47  
    48  const char* ByteArraySource::Peek(size_t* len) {
    49    *len = left_;
    50    return ptr_;
    51  }
    52  
    53  void ByteArraySource::Skip(size_t n) {
    54    left_ -= n;
    55    ptr_ += n;
    56  }
    57  
    58  UncheckedByteArraySink::~UncheckedByteArraySink() { }
    59  
    60  void UncheckedByteArraySink::Append(const char* data, size_t n) {
    61    // Do no copying if the caller filled in the result of GetAppendBuffer()
    62    if (data != dest_) {
    63      memcpy(dest_, data, n);
    64    }
    65    dest_ += n;
    66  }
    67  
    68  char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) {
    69    return dest_;
    70  }
    71  
    72  }  // namespace snappy
    73  }  // namespace rawp
    74