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/*
* 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/cutils.h"
void qemu_hexdump_line(char *line, unsigned int b, const void *bufptr,
unsigned int len, bool ascii)
{
const char *buf = bufptr;
int i, c;
if (len > QEMU_HEXDUMP_LINE_BYTES) {
len = QEMU_HEXDUMP_LINE_BYTES;
}
line += snprintf(line, 6, "%04x:", b);
for (i = 0; i < QEMU_HEXDUMP_LINE_BYTES; i++) {
if ((i % 4) == 0) {
*line++ = ' ';
}
if (i < len) {
line += sprintf(line, " %02x", (unsigned char)buf[b + i]);
} else {
line += sprintf(line, " ");
}
}
if (ascii) {
*line++ = ' ';
for (i = 0; i < len; i++) {
c = buf[b + i];
if (c < ' ' || c > '~') {
c = '.';
}
*line++ = c;
}
}
*line = '\0';
}
void qemu_hexdump(FILE *fp, const char *prefix,
const void *bufptr, size_t size)
{
unsigned int b, len;
char line[QEMU_HEXDUMP_LINE_LEN];
for (b = 0; b < size; b += QEMU_HEXDUMP_LINE_BYTES) {
len = size - b;
qemu_hexdump_line(line, b, bufptr, len, true);
fprintf(fp, "%s: %s\n", prefix, line);
}
}
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