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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859// 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 && p[i]; i++) { if (!isprint(p[i]) && !isspace(p[i])) return 0; } return 1;}