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/* Hex dump utility
*
* \copyright
* Copyright 2016-2017 Red Hat Inc. All rights reserved.
*/
#include <config.h>
#include <stdint.h>
#include <ctype.h>
#include "hexdump.h"
void hexdump(const void *ptr, size_t size, FILE *f_out)
{
const uint8_t *buffer = (const uint8_t *) ptr;
unsigned long sum = 0;
for (size_t n = 0; n < size;) {
int i;
enum { BYTES_PER_LINE = 16 };
char s[BYTES_PER_LINE + 1], hexstring[BYTES_PER_LINE * 3 + 1];
fprintf(f_out, "%04X ", (unsigned) n);
for (i = 0; n < size && i < BYTES_PER_LINE; i++, n++) {
uint8_t c = buffer[n];
sum += c;
sprintf(hexstring + i * 3, "%02X ", c);
s[i] = isprint(c) ? c : '.';
}
s[i] = '\0';
fprintf(f_out, "%*s\t%s\n", (int) (-3 * BYTES_PER_LINE), hexstring, s);
}
fprintf(f_out, "sum = %lu\n", sum);
}
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