xref: /openbmc/qemu/util/hexdump.c (revision b917da4c)
1 /*
2  * Helper to hexdump a buffer
3  *
4  * Copyright (c) 2013 Red Hat, Inc.
5  * Copyright (c) 2013 Gerd Hoffmann <kraxel@redhat.com>
6  * Copyright (c) 2013 Peter Crosthwaite <peter.crosthwaite@xilinx.com>
7  * Copyright (c) 2013 Xilinx, Inc
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  * Contributions after 2012-01-13 are licensed under the terms of the
13  * GNU GPL, version 2 or (at your option) any later version.
14  */
15 
16 #include "qemu/osdep.h"
17 #include "qemu-common.h"
18 
19 void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size)
20 {
21     unsigned int b;
22 
23     for (b = 0; b < size; b++) {
24         if ((b % 16) == 0) {
25             fprintf(fp, "%s: %04x:", prefix, b);
26         }
27         if ((b % 4) == 0) {
28             fprintf(fp, " ");
29         }
30         fprintf(fp, " %02x", (unsigned char)buf[b]);
31         if ((b % 16) == 15) {
32             fprintf(fp, "\n");
33         }
34     }
35     if ((b % 16) != 0) {
36         fprintf(fp, "\n");
37     }
38 }
39