2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2005 Poul-Henning Kamp
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <namespace.h>
38 __printf_arginfo_hexdump(const struct printf_info *pi, size_t n, int *argt)
48 __printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi, const void *const *arg)
56 if (pi->width > 0 && pi->width < 16)
60 p = *((unsigned char **)arg[0]);
71 q += sprintf(q, " %04x", a);
72 for (j = 0; j < l && j < u; j++)
73 q += sprintf(q, " %02x", p[j]);
77 q += sprintf(q, " |");
78 for (j = 0; j < l && j < u; j++) {
79 if (p[j] < ' ' || p[j] > '~')
97 ret += __printf_puts(io, buf + 1, q - (buf + 1));