qemu/util/hexdump.c

/*
 * Helper to hexdump a buffer
 *
 * Copyright (c) 2013 Red Hat, Inc.
 * Copyright (c) 2013 Gerd Hoffmann <kraxel@redhat.com>
 * Copyright (c) 2013 Peter Crosthwaite <peter.crosthwaite@xilinx.com>
 * Copyright (c) 2013 Xilinx, Inc
 *
 * This work is licensed under the terms of the GNU GPL, version 2.  See
 * the COPYING file in the top-level directory.
 *
 * Contributions after 2012-01-13 are licensed under the terms of the
 * GNU GPL, version 2 or (at your option) any later version.
 */

#include "qemu/osdep.h"
#include "qemu-common.h"

void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size)
{
    unsigned int b;

    for (b = 0; b < size; b++) {
        if ((b % 16) == 0) {
            fprintf(fp, "%s: %04x:", prefix, b);
        }
        if ((b % 4) == 0) {
            fprintf(fp, " ");
        }
        fprintf(fp, " %02x", (unsigned char)buf[b]);
        if ((b % 16) == 15) {
            fprintf(fp, "\n");
        }
    }
    if ((b % 16) != 0) {
        fprintf(fp, "\n");
    }
}