1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
15 *
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
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#include <sys/cdefs.h>
32
33#include <fcntl.h>
34#include <inttypes.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <unistd.h>
38
39#include <teken.h>
40
41static tf_bell_t	stress_bell;
42static tf_cursor_t	stress_cursor;
43static tf_putchar_t	stress_putchar;
44static tf_fill_t	stress_fill;
45static tf_copy_t	stress_copy;
46static tf_param_t	stress_param;
47static tf_respond_t	stress_respond;
48
49static teken_funcs_t tf = {
50	.tf_bell	= stress_bell,
51	.tf_cursor	= stress_cursor,
52	.tf_putchar	= stress_putchar,
53	.tf_fill	= stress_fill,
54	.tf_copy	= stress_copy,
55	.tf_param	= stress_param,
56	.tf_respond	= stress_respond,
57};
58
59static void
60stress_bell(void *s __unused)
61{
62}
63
64static void
65stress_cursor(void *s __unused, const teken_pos_t *p __unused)
66{
67}
68
69static void
70stress_putchar(void *s __unused, const teken_pos_t *p __unused,
71    teken_char_t c __unused, const teken_attr_t *a __unused)
72{
73}
74
75static void
76stress_fill(void *s __unused, const teken_rect_t *r __unused,
77    teken_char_t c __unused, const teken_attr_t *a __unused)
78{
79}
80
81static void
82stress_copy(void *s __unused, const teken_rect_t *r __unused,
83    const teken_pos_t *p __unused)
84{
85}
86
87static void
88stress_param(void *s __unused, int cmd __unused, unsigned int value __unused)
89{
90}
91
92static void
93stress_respond(void *s __unused, const void *buf __unused, size_t len __unused)
94{
95}
96
97static const char replacement[] =
98    { 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' };
99
100int
101main(int argc __unused, char *argv[] __unused)
102{
103	teken_t t;
104	unsigned int i, iteration = 0;
105	unsigned char buf[2048];
106
107
108	teken_init(&t, &tf, NULL);
109
110	for (;;) {
111		arc4random_buf(buf, sizeof buf);
112		for (i = 0; i < sizeof buf; i++) {
113			if (buf[i] >= 0x80)
114				buf[i] =
115				    replacement[buf[i] % sizeof replacement];
116		}
117
118		teken_input(&t, buf, sizeof buf);
119
120		iteration++;
121		if ((iteration % 10000) == 0)
122			printf("Processed %u frames\n", iteration);
123	}
124}
125