| 1 | |
| 2 | #include "print_binary.h"
|
| 3 | #include <linux/log2.h>
|
| 4 | #include <linux/ctype.h>
|
| 5 |
|
| 6 | int binary__fprintf(unsigned char *data, size_t len,
|
| 7 | size_t bytes_per_line, binary__fprintf_t printer,
|
| 8 | void *extra, FILE *fp)
|
| 9 | {
|
| 10 | size_t i, j, mask;
|
| 11 | int printed = 0;
|
| 12 |
|
| 13 | if (!printer)
|
| 14 | return 0;
|
| 15 |
|
| 16 | bytes_per_line = roundup_pow_of_two(bytes_per_line);
|
| 17 | mask = bytes_per_line - 1;
|
| 18 |
|
| 19 | printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
|
| 20 | for (i = 0; i < len; i++) {
|
| 21 | if ((i & mask) == 0) {
|
| 22 | printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
|
| 23 | printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
|
| 24 | }
|
| 25 |
|
| 26 | printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
|
| 27 |
|
| 28 | if (((i & mask) == mask) || i == len - 1) {
|
| 29 | for (j = 0; j < mask-(i & mask); j++)
|
| 30 | printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
|
| 31 |
|
| 32 | printer(BINARY_PRINT_SEP, i, extra, fp);
|
| 33 | for (j = i & ~mask; j <= i; j++)
|
| 34 | printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
|
| 35 | for (j = 0; j < mask-(i & mask); j++)
|
| 36 | printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
|
| 37 | printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
|
| 38 | }
|
| 39 | }
|
| 40 | printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
|
| 41 | return printed;
|
| 42 | }
|
| 43 |
|
| 44 | int is_printable_array(char *p, unsigned int len)
|
| 45 | {
|
| 46 | unsigned int i;
|
| 47 |
|
| 48 | if (!p || !len || p[len - 1] != 0)
|
| 49 | return 0;
|
| 50 |
|
| 51 | len--;
|
| 52 |
|
| 53 | for (i = 0; i < len && p[i]; i++) {
|
| 54 | if (!isprint(p[i]) && !isspace(p[i]))
|
| 55 | return 0;
|
| 56 | }
|
| 57 | return 1;
|
| 58 | }
|