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/*
* Copyright (c) 1988 The Regents of the University of California.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)isatty.c 5.6 (Berkeley) 2/23/91";*/
static char *rcsid = "$Id$";
#endif /* LIBC_SCCS and not lint */
#include <pthread.h>
#ifdef sunos4
#include <sys/termio.h>
#else
#include <termios.h>
#endif
#include <unistd.h>
/*
* If TIOCGETA is not defined try TCGETATTR
* If TCGETATTR is not defined try TCGETA
* If that doesn't work try getting it from termio.h
*/
#ifndef TIOCGETA
#ifdef TCGETATTR
#define TIOCGETA TCGETATTR
#else
#ifndef TCGETA
#include <termio.h>
#endif
#ifndef TIOCGETA
#define TIOCGETA TCGETA
#endif
#endif
#endif
/* fd is the real fd to pass to the kernel */
int isatty_basic(int fd)
{
#ifdef sunos4
struct termio t;
#else /* !sunos4 */
struct termios t;
#endif /* sunos4 */
return (machdep_sys_ioctl(fd,
#ifdef sunos4
TCGETA,
#else /* !sunos4 */
TIOCGETA,
#endif /* sunos4 */
&t) ? 0 : 1);
}
int isatty(int fd)
{
int ret;
if ((ret = fd_lock(fd, FD_READ, NULL)) == OK) {
ret = isatty_basic(fd_table[fd]->fd.i);
fd_unlock(fd, FD_READ);
} else {
/* Return 0 or 1 */
ret = 0;
}
return(ret);
}
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