// SPDX-License-Identifier: GPL-2.0#include "print_binary.h"#include <linux/log2.h>#include <linux/ctype.h> int binary__fprintf(unsigned char *data, size_t len,		    size_t bytes_per_line, binary__fprintf_t printer,		    void *extra, FILE *fp){	size_t i, j, mask;	int printed = 0; 	if (!printer)		return 0; 	bytes_per_line = roundup_pow_of_two(bytes_per_line);	mask = bytes_per_line - 1; 	printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);	for (i = 0; i < len; i++) {		if ((i & mask) == 0) {			printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);			printed += printer(BINARY_PRINT_ADDR, i, extra, fp);		} 		printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp); 		if (((i & mask) == mask) || i == len - 1) {			for (j = 0; j < mask-(i & mask); j++)				printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp); 			printer(BINARY_PRINT_SEP, i, extra, fp);			for (j = i & ~mask; j <= i; j++)				printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);			for (j = 0; j < mask-(i & mask); j++)				printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);			printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);		}	}	printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);	return printed;} int is_printable_array(char *p, unsigned int len){	unsigned int i; 	if (!p || !len || p[len - 1] != 0)		return 0; 	len--; 	for (i = 0; i < len; i++) {		if (!isprint(p[i]) && !isspace(p[i]))			return 0;	}	return 1;}