1618 struct printer_data {  struct
1629 	struct printer_data *printer_data = extra;  in sample__fprintf_bpf_output()  argument
1637 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :  in sample__fprintf_bpf_output()
1653 		if (printer_data->hit_nul && ch)  in sample__fprintf_bpf_output()
1654 			printer_data->is_printable = false;  in sample__fprintf_bpf_output()
1659 			if (!printer_data->is_printable)  in sample__fprintf_bpf_output()
1663 				printer_data->hit_nul = true;  in sample__fprintf_bpf_output()
1665 				printer_data->is_printable = false;  in sample__fprintf_bpf_output()
1675 		printer_data->line_no++;  in sample__fprintf_bpf_output()
1688 	struct printer_data printer_data = {0, false, true};  in perf_sample__fprintf_bpf_output()  local
1690 				      sample__fprintf_bpf_output, &printer_data, fp);  in perf_sample__fprintf_bpf_output()
1692 	if (printer_data.is_printable && printer_data.hit_nul)  in perf_sample__fprintf_bpf_output()