267     courgette::SinkStream* old_stream = model_sinks.stream(i);  in DisassembleAdjustDiff()  local
269     if (old_stream == NULL && new_stream == NULL)  in DisassembleAdjustDiff()
274     old_source.Init(old_stream ? *old_stream : empty_sink);  in DisassembleAdjustDiff()
316   courgette::SourceStream old_stream;  in GenerateEnsemblePatch()  local
318   old_stream.Init(old_buffer);  in GenerateEnsemblePatch()
323       courgette::GenerateEnsemblePatch(&old_stream, &new_stream, &patch_stream);  in GenerateEnsemblePatch()
393   courgette::SourceStream old_stream;  in GenerateBSDiffPatch()  local
395   old_stream.Init(old_buffer);  in GenerateBSDiffPatch()
400       courgette::CreateBinaryPatch(&old_stream, &new_stream, &patch_stream);  in GenerateBSDiffPatch()
413   courgette::SourceStream old_stream;  in ApplyBSDiffPatch()  local
415   old_stream.Init(old_buffer);  in ApplyBSDiffPatch()
420       courgette::ApplyBinaryPatch(&old_stream, &patch_stream, &new_stream);  in ApplyBSDiffPatch()