mirror of
git://jb55.com/damus
synced 2024-09-18 19:23:49 +00:00
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef HEXDUMP_H
|
|
#define HEXDUMP_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
/* Based on: http://stackoverflow.com/a/7776146 */
|
|
static void hexdump(const char *desc, const void *addr, size_t len, FILE *fp) {
|
|
unsigned int i;
|
|
unsigned char buf[17];
|
|
const unsigned char *pc = (const unsigned char*)addr;
|
|
|
|
/* Output description if given. */
|
|
if (desc != NULL) fprintf(fp, "%s:\n", desc);
|
|
|
|
for (i = 0; i < (unsigned int)len; i++) {
|
|
|
|
if ((i % 16) == 0) {
|
|
if (i != 0) fprintf(fp, " |%s|\n", buf);
|
|
fprintf(fp, "%08x ", i);
|
|
} else if ((i % 8) == 0) {
|
|
fprintf(fp, " ");
|
|
}
|
|
fprintf(fp, " %02x", pc[i]);
|
|
if ((pc[i] < 0x20) || (pc[i] > 0x7e)) {
|
|
buf[i % 16] = '.';
|
|
} else {
|
|
buf[i % 16] = pc[i];
|
|
}
|
|
buf[(i % 16) + 1] = '\0';
|
|
}
|
|
if (i % 16 <= 8 && i % 16 != 0) fprintf(fp, " ");
|
|
while ((i % 16) != 0) {
|
|
fprintf(fp, " ");
|
|
i++;
|
|
}
|
|
fprintf(fp, " |%s|\n", buf);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HEXDUMP_H */
|