Impala Documentation

char* Impala::Core::Array::ImageArchiveFileFset::GetSegmentBuf ( int idx ) [inline, private]

Definition at line 125 of file ImageArchiveFileFset.h.

References mCompressed, mFileOffset, mFirstSegment, mIOBuffer, mSegmentLength, Impala::Util::IOBuffer::Read(), and Impala::Util::IOBuffer::SetPosition().

Referenced by ImageArchiveFileFset(), and ReadImage().

00126     {
00127         int segLen = mSegmentLength[idx];
00128         char* res = new char[segLen];
00129         int compressed = mCompressed[idx];
00130         if (compressed > 0)
00131             memcpy(res, mFirstSegment, compressed);
00132         int remainder = segLen - compressed;
00133         if (remainder > 0)
00134         {
00135             int off = mFileOffset[idx];
00136             mIOBuffer->SetPosition(off);
00137             mIOBuffer->Read(res + compressed, remainder);
00138         }
00139         return res;
00140     }

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