github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/database/leveldb.chai2010/src/snappy-sinksource.cc (about)

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    28  
    29  #include <string.h>
    30  
    31  #include "snappy-sinksource.h"
    32  
    33  namespace snappy {
    34  
    35  Source::~Source() { }
    36  
    37  Sink::~Sink() { }
    38  
    39  char* Sink::GetAppendBuffer(size_t length, char* scratch) {
    40    return scratch;
    41  }
    42  
    43  ByteArraySource::~ByteArraySource() { }
    44  
    45  size_t ByteArraySource::Available() const { return left_; }
    46  
    47  const char* ByteArraySource::Peek(size_t* len) {
    48    *len = left_;
    49    return ptr_;
    50  }
    51  
    52  void ByteArraySource::Skip(size_t n) {
    53    left_ -= n;
    54    ptr_ += n;
    55  }
    56  
    57  UncheckedByteArraySink::~UncheckedByteArraySink() { }
    58  
    59  void 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  
    67  char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) {
    68    return dest_;
    69  }
    70  
    71  }