xref: /openbmc/qemu/util/hexdump.c (revision 88f62c2b)
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-common.h"
17 
18 void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size)
19 {
20     unsigned int b;
21 
22     for (b = 0; b < size; b++) {
23         if ((b % 16) == 0) {
24             fprintf(fp, "%s: %04x:", prefix, b);
25         }
26         if ((b % 4) == 0) {
27             fprintf(fp, " ");
28         }
29         fprintf(fp, " %02x", (unsigned char)buf[b]);
30         if ((b % 16) == 15) {
31             fprintf(fp, "\n");
32         }
33     }
34     if ((b % 16) != 0) {
35         fprintf(fp, "\n");
36     }
37 }
38