1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include "print_binary.h"
3*4882a593Smuzhiyun #include <linux/log2.h>
4*4882a593Smuzhiyun #include <linux/ctype.h>
5*4882a593Smuzhiyun
binary__fprintf(unsigned char * data,size_t len,size_t bytes_per_line,binary__fprintf_t printer,void * extra,FILE * fp)6*4882a593Smuzhiyun int binary__fprintf(unsigned char *data, size_t len,
7*4882a593Smuzhiyun size_t bytes_per_line, binary__fprintf_t printer,
8*4882a593Smuzhiyun void *extra, FILE *fp)
9*4882a593Smuzhiyun {
10*4882a593Smuzhiyun size_t i, j, mask;
11*4882a593Smuzhiyun int printed = 0;
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun if (!printer)
14*4882a593Smuzhiyun return 0;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun bytes_per_line = roundup_pow_of_two(bytes_per_line);
17*4882a593Smuzhiyun mask = bytes_per_line - 1;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
20*4882a593Smuzhiyun for (i = 0; i < len; i++) {
21*4882a593Smuzhiyun if ((i & mask) == 0) {
22*4882a593Smuzhiyun printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
23*4882a593Smuzhiyun printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun if (((i & mask) == mask) || i == len - 1) {
29*4882a593Smuzhiyun for (j = 0; j < mask-(i & mask); j++)
30*4882a593Smuzhiyun printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun printer(BINARY_PRINT_SEP, i, extra, fp);
33*4882a593Smuzhiyun for (j = i & ~mask; j <= i; j++)
34*4882a593Smuzhiyun printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
35*4882a593Smuzhiyun for (j = 0; j < mask-(i & mask); j++)
36*4882a593Smuzhiyun printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
37*4882a593Smuzhiyun printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
41*4882a593Smuzhiyun return printed;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
is_printable_array(char * p,unsigned int len)44*4882a593Smuzhiyun int is_printable_array(char *p, unsigned int len)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun unsigned int i;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun if (!p || !len || p[len - 1] != 0)
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun len--;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun for (i = 0; i < len && p[i]; i++) {
54*4882a593Smuzhiyun if (!isprint(p[i]) && !isspace(p[i]))
55*4882a593Smuzhiyun return 0;
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun return 1;
58*4882a593Smuzhiyun }
59