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/*
* Check printing of the counter endpoint of /dev/ptmx in -yy mode.
*
* Copyright (c) 2024 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
int
main(void)
{
static const char dev_ptmx[] = "/dev/ptmx";
int ptmx_fd = open(dev_ptmx, O_RDWR|O_NOCTTY);
if (ptmx_fd < 0)
perror_msg_and_skip("open: %s", dev_ptmx);
if (unlockpt(ptmx_fd) < 0)
perror_msg_and_skip("unlockpt");
const char *pts = ptsname(ptmx_fd);
if (pts == NULL)
error_msg_and_skip("failed in ptsname()");
const char *real_ptmx = get_fd_path(ptmx_fd);
int rc = close(ptmx_fd);
printf("close(%d<%s<char 5:2 @%s>>) = %d\n",
ptmx_fd, real_ptmx, pts, rc);
puts("+++ exited with 0 +++");
return 0;
}
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