mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
073e2d2c93
This makes it run quite a bit faster, since it makes system calls less often.
123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*-
|
|
* Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include <teken.h>
|
|
|
|
static tf_bell_t stress_bell;
|
|
static tf_cursor_t stress_cursor;
|
|
static tf_putchar_t stress_putchar;
|
|
static tf_fill_t stress_fill;
|
|
static tf_copy_t stress_copy;
|
|
static tf_param_t stress_param;
|
|
static tf_respond_t stress_respond;
|
|
|
|
static teken_funcs_t tf = {
|
|
.tf_bell = stress_bell,
|
|
.tf_cursor = stress_cursor,
|
|
.tf_putchar = stress_putchar,
|
|
.tf_fill = stress_fill,
|
|
.tf_copy = stress_copy,
|
|
.tf_param = stress_param,
|
|
.tf_respond = stress_respond,
|
|
};
|
|
|
|
static void
|
|
stress_bell(void *s __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_cursor(void *s __unused, const teken_pos_t *p __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_putchar(void *s __unused, const teken_pos_t *p __unused,
|
|
teken_char_t c __unused, const teken_attr_t *a __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_fill(void *s __unused, const teken_rect_t *r __unused,
|
|
teken_char_t c __unused, const teken_attr_t *a __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_copy(void *s __unused, const teken_rect_t *r __unused,
|
|
const teken_pos_t *p __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_param(void *s __unused, int cmd __unused, unsigned int value __unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
stress_respond(void *s __unused, const void *buf __unused, size_t len __unused)
|
|
{
|
|
}
|
|
|
|
static const char replacement[] =
|
|
{ 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' };
|
|
|
|
int
|
|
main(int argc __unused, char *argv[] __unused)
|
|
{
|
|
teken_t t;
|
|
unsigned int i, iteration = 0;
|
|
unsigned char buf[2048];
|
|
|
|
|
|
teken_init(&t, &tf, NULL);
|
|
|
|
for (;;) {
|
|
arc4random_buf(buf, sizeof buf);
|
|
for (i = 0; i < sizeof buf; i++) {
|
|
if (buf[i] >= 0x80)
|
|
buf[i] =
|
|
replacement[buf[i] % sizeof replacement];
|
|
}
|
|
|
|
teken_input(&t, buf, sizeof buf);
|
|
|
|
iteration++;
|
|
if ((iteration % 10000) == 0)
|
|
printf("Processed %u frames\n", iteration);
|
|
}
|
|
}
|