| #include <debug.h> |
| #include <stdio.h> |
| #include <ctype.h> |
| |
| #define NUM_COLS (32) |
| |
| int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) { |
| int num_nonprintable = 0; |
| int i, last; |
| char *pchr = (char *)b; |
| fputc('\n', s); |
| fprintf(s, "%p: ", b); |
| for (i = last = 0; i < len; i++) { |
| if (!elsize) { |
| if (i && !(i % 4)) fprintf(s, " "); |
| if (i && !(i % 8)) fprintf(s, " "); |
| } else { |
| if (i && !(i % elsize)) fprintf(s, " "); |
| } |
| |
| if (i && !(i % NUM_COLS)) { |
| while (last < i) { |
| if (isprint(pchr[last])) |
| fputc(pchr[last], s); |
| else { |
| fputc('.', s); |
| num_nonprintable++; |
| } |
| last++; |
| } |
| fprintf(s, " (%d)\n%p: ", i, b); |
| } |
| fprintf(s, "%02x", (unsigned char)pchr[i]); |
| } |
| if (i && (i % NUM_COLS)) fputs("\n", s); |
| return num_nonprintable; |
| } |
| |
