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a78f7fafc0
Getting valid UTF-8 sequences is quite unlikely, so we'd better just convert data to 7 bits and make it extra likely for escape sequences to occur.
133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*-
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* Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "teken.h"
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static tf_bell_t stress_bell;
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static tf_cursor_t stress_cursor;
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static tf_putchar_t stress_putchar;
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static tf_fill_t stress_fill;
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static tf_copy_t stress_copy;
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static tf_param_t stress_param;
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static tf_respond_t stress_respond;
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static teken_funcs_t tf = {
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.tf_bell = stress_bell,
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.tf_cursor = stress_cursor,
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.tf_putchar = stress_putchar,
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.tf_fill = stress_fill,
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.tf_copy = stress_copy,
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.tf_param = stress_param,
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.tf_respond = stress_respond,
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};
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static void
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stress_bell(void *s __unused)
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{
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}
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static void
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stress_cursor(void *s __unused, const teken_pos_t *p __unused)
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{
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}
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static void
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stress_putchar(void *s __unused, const teken_pos_t *p __unused,
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teken_char_t c __unused, const teken_attr_t *a __unused)
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{
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}
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static void
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stress_fill(void *s __unused, const teken_rect_t *r __unused,
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teken_char_t c __unused, const teken_attr_t *a __unused)
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{
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}
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static void
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stress_copy(void *s __unused, const teken_rect_t *r __unused,
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const teken_pos_t *p __unused)
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{
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}
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static void
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stress_param(void *s __unused, int cmd __unused, unsigned int value __unused)
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{
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}
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static void
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stress_respond(void *s __unused, const void *buf __unused, size_t len __unused)
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{
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}
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static const char replacement[] =
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{ 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' };
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int
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main(int argc __unused, char *argv[] __unused)
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{
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teken_t t;
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int rnd;
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unsigned int i, iteration = 0;
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unsigned char buf[2048];
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rnd = open("/dev/urandom", O_RDONLY);
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if (rnd < 0) {
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perror("/dev/urandom");
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exit(1);
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}
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teken_init(&t, &tf, NULL);
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for (;;) {
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if (read(rnd, buf, sizeof buf) != sizeof buf) {
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perror("read");
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exit(1);
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}
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for (i = 0; i < sizeof buf; i++) {
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if (buf[i] >= 0x80)
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buf[i] =
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replacement[buf[i] % sizeof replacement];
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}
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teken_input(&t, buf, sizeof buf);
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iteration++;
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if ((iteration % 10000) == 0)
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printf("Processed %u frames\n", iteration);
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}
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}
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