https://github.com/ImageMagick/ImageMagick6/issues/43
MagickExport MagickBooleanType IsBlobExempt(const Image *image)
{
  assert(image != (const Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  return(image->blob->exempt);
}

MagickExport MagickBooleanType IsBlobExempt(const Image *image)
{
  assert(image != (const Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  return(image->blob->exempt);
}
