type SkipReader struct {
	io.Reader

	skipCount int64
}

func (s *SkipReader) Read(p []byte) (int, error) {
	l := int64(len(p))
	if l == 0 {
		return 0, nil
	}
	for s.skipCount > 0 {
		if l > s.skipCount {
			l = s.skipCount
		}
		n, err := s.Reader.Read(p[:l])
		if err != nil {
			return 0, err
		}
		s.skipCount -= int64(n)
	}
	return s.Reader.Read(p)
}

// Returns the current OS stack trace as an std::string.
//
// The maximum number of stack frames to be included is specified by
// the gtest_stack_trace_depth flag.  The skip_count parameter
// specifies the number of top frames to be skipped, which doesn't
// count against the number of frames to be included.
//
// For example, if Foo() calls Bar(), which in turn calls

// Returns the current OS stack trace as an std::string.
//
// The maximum number of stack frames to be included is specified by
// the gtest_stack_trace_depth flag.  The skip_count parameter
// specifies the number of top frames to be skipped, which doesn't
// count against the number of frames to be included.
//
// For example, if Foo() calls Bar(), which in turn calls