utils.c

/** Helper functions
 *
 * Author: Niklas Eiling <niklas.eiling@rwth-aachen.de>
 * SPDX-FileCopyrightText: 2023 Niklas Eiling <niklas.eiling@rwth-aachen.de>
 * SPDX-License-Identifier: Apache-2.0
 *********************************************************************************/

#include <stdio.h>
#include "utils.h"

void hexdump(const uint8_t* data, size_t size)
{
    size_t pos = 0;
    while (pos < size) {
        printf("%#05zx: ", pos);
        for (int i = 0; i < 16; i++) {
            if (pos + i < size) {
                printf("%02x", data[pos + i]);
            } else {
                printf("  ");
            }
            if (i % 4 == 3) {
                printf(" ");
            }
        }
        printf(" | ");
        for (int i = 0; i < 16; i++) {
            if (pos + i < size) {
                if (data[pos + i] >= 0x20 && data[pos + i] <= 0x7e) {
                    printf("%c", data[pos + i]);
                } else {
                    printf(".");
                }
            } else {
                printf(" ");
            }
        }
        printf("\n");
        pos += 16;
    }
}