The Android Open Source Project | 88b6079 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 1 | #include <debug.h> |
| 2 | #include <stdio.h> |
| 3 | #include <ctype.h> |
| 4 | |
| 5 | #define NUM_COLS (32) |
| 6 | |
| 7 | int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) { |
| 8 | int num_nonprintable = 0; |
| 9 | int i, last; |
| 10 | char *pchr = (char *)b; |
| 11 | fputc('\n', s); |
| 12 | fprintf(s, "%p: ", b); |
| 13 | for (i = last = 0; i < len; i++) { |
| 14 | if (!elsize) { |
| 15 | if (i && !(i % 4)) fprintf(s, " "); |
| 16 | if (i && !(i % 8)) fprintf(s, " "); |
| 17 | } else { |
| 18 | if (i && !(i % elsize)) fprintf(s, " "); |
| 19 | } |
| 20 | |
| 21 | if (i && !(i % NUM_COLS)) { |
| 22 | while (last < i) { |
| 23 | if (isprint(pchr[last])) |
| 24 | fputc(pchr[last], s); |
| 25 | else { |
| 26 | fputc('.', s); |
| 27 | num_nonprintable++; |
| 28 | } |
| 29 | last++; |
| 30 | } |
| 31 | fprintf(s, " (%d)\n%p: ", i, b); |
| 32 | } |
| 33 | fprintf(s, "%02x", (unsigned char)pchr[i]); |
| 34 | } |
| 35 | if (i && (i % NUM_COLS)) fputs("\n", s); |
| 36 | return num_nonprintable; |
| 37 | } |
| 38 | |