| #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); | |
| 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", i); | |
| } | |
| fprintf(s, "%02x", (unsigned char)pchr[i]); | |
| } | |
| if (i && (i % NUM_COLS)) fputs("\n", s); | |
| return num_nonprintable; | |
| } | |