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- // 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;
- }
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