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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2021 Tintri by DDN, Inc. All rights reserved.
*/
#include <stdio.h>
#include <strings.h>
#include <sys/cmn_err.h>
#include <sys/varargs.h>
#include "utils.h"
void
hexdump(const uchar_t *buf, int len)
{
int idx;
char ascii[24];
char *pa = ascii;
bzero(ascii, sizeof (ascii));
idx = 0;
while (len--) {
if ((idx & 15) == 0) {
printf("%04X: ", idx);
pa = ascii;
}
if (*buf > ' ' && *buf <= '~')
*pa++ = *buf;
else
*pa++ = '.';
printf("%02x ", *buf++);
idx++;
if ((idx & 3) == 0) {
*pa++ = ' ';
(void) putchar(' ');
}
if ((idx & 15) == 0) {
*pa = '\0';
printf("%s\n", ascii);
}
}
if ((idx & 15) != 0) {
*pa = '\0';
/* column align the last ascii row */
while ((idx & 15) != 0) {
if ((idx & 3) == 0)
(void) putchar(' ');
printf(" ");
idx++;
}
printf("%s\n", ascii);
}
}
/*
* Provide a real function (one that prints something) to replace
* the stub in libfakekernel. This prints cmn_err() messages.
*/
void
fakekernel_putlog(char *msg, size_t len, int flags)
{
(void) fwrite(msg, 1, len, stdout);
(void) fflush(stdout);
}
/*
* Build a UIO for the input or output buffer
* Arbitrarily splits into 2 segs for testing uio.
*/
void
make_uio(void *buf, size_t buflen, uio_t *uio, iovec_t *iov, int iovmax)
{
size_t maxseg = 512;
size_t tlen;
int i;
bzero(uio, sizeof (*uio));
uio->uio_resid = buflen;
uio->uio_segflg = UIO_SYSSPACE;
for (i = 0; i < iovmax; i++) {
if (buflen <= 0)
break;
tlen = buflen;
if (tlen > maxseg)
tlen = maxseg;
iov[i].iov_base = buf;
iov[i].iov_len = tlen;
buf += tlen;
buflen -= tlen;
}
uio->uio_iov = iov;
uio->uio_iovcnt = i;
}
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