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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2005 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <namespace.h>
#include <stdio.h>
#include <wchar.h>
#include <stdint.h>
#include <assert.h>
#include <sys/time.h>
#include "printf.h"
int
__printf_arginfo_hexdump(const struct printf_info *pi, size_t n, int *argt)
{
assert(n >= 2);
argt[0] = PA_POINTER;
argt[1] = PA_INT;
return (2);
}
int
__printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi, const void *const *arg)
{
unsigned char *p;
int i;
unsigned u, l, j, a;
char buf[100], *q;
int ret;
if (pi->width > 0 && pi->width < 16)
l = pi->width;
else
l = 16;
p = *((unsigned char **)arg[0]);
i = *((int *)arg[1]);
if (i < 0)
i = 0;
u = i;
ret = 0;
a = 0;
while (u > 0) {
q = buf;
if (pi->showsign)
q += sprintf(q, " %04x", a);
for (j = 0; j < l && j < u; j++)
q += sprintf(q, " %02x", p[j]);
if (pi->alt) {
for (; j < l; j++)
q += sprintf(q, " ");
q += sprintf(q, " |");
for (j = 0; j < l && j < u; j++) {
if (p[j] < ' ' || p[j] > '~')
*q++ = '.';
else
*q++ = p[j];
}
for (; j < l; j++)
*q++ = ' ';
*q++ = '|';
}
if (l < u)
j = l;
else
j = u;
p += j;
u -= j;
a += j;
if (u > 0)
*q++ = '\n';
ret += __printf_puts(io, buf + 1, q - (buf + 1));
__printf_flush(io);
}
return (ret);
}
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