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