1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 29 #include <sys/cdefs.h> 30 31 #include <fcntl.h> 32 #include <inttypes.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <unistd.h> 36 37 #include <teken.h> 38 39 static tf_bell_t stress_bell; 40 static tf_cursor_t stress_cursor; 41 static tf_putchar_t stress_putchar; 42 static tf_fill_t stress_fill; 43 static tf_copy_t stress_copy; 44 static tf_param_t stress_param; 45 static tf_respond_t stress_respond; 46 47 static teken_funcs_t tf = { 48 .tf_bell = stress_bell, 49 .tf_cursor = stress_cursor, 50 .tf_putchar = stress_putchar, 51 .tf_fill = stress_fill, 52 .tf_copy = stress_copy, 53 .tf_param = stress_param, 54 .tf_respond = stress_respond, 55 }; 56 57 static void 58 stress_bell(void *s __unused) 59 { 60 } 61 62 static void 63 stress_cursor(void *s __unused, const teken_pos_t *p __unused) 64 { 65 } 66 67 static void 68 stress_putchar(void *s __unused, const teken_pos_t *p __unused, 69 teken_char_t c __unused, const teken_attr_t *a __unused) 70 { 71 } 72 73 static void 74 stress_fill(void *s __unused, const teken_rect_t *r __unused, 75 teken_char_t c __unused, const teken_attr_t *a __unused) 76 { 77 } 78 79 static void 80 stress_copy(void *s __unused, const teken_rect_t *r __unused, 81 const teken_pos_t *p __unused) 82 { 83 } 84 85 static void 86 stress_param(void *s __unused, int cmd __unused, unsigned int value __unused) 87 { 88 } 89 90 static void 91 stress_respond(void *s __unused, const void *buf __unused, size_t len __unused) 92 { 93 } 94 95 static const char replacement[] = 96 { 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' }; 97 98 int 99 main(int argc __unused, char *argv[] __unused) 100 { 101 teken_t t; 102 unsigned int i, iteration = 0; 103 unsigned char buf[2048]; 104 105 106 teken_init(&t, &tf, NULL); 107 108 for (;;) { 109 arc4random_buf(buf, sizeof buf); 110 for (i = 0; i < sizeof buf; i++) { 111 if (buf[i] >= 0x80) 112 buf[i] = 113 replacement[buf[i] % sizeof replacement]; 114 } 115 116 teken_input(&t, buf, sizeof buf); 117 118 iteration++; 119 if ((iteration % 10000) == 0) 120 printf("Processed %u frames\n", iteration); 121 } 122 } 123