#ifndef _NO_TTYNAME
|
#ifndef _NO_TTYNAME
|
/*
|
/*
|
* Copyright (c) 1988 The Regents of the University of California.
|
* Copyright (c) 1988 The Regents of the University of California.
|
* All rights reserved.
|
* All rights reserved.
|
*
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions
|
* modification, are permitted provided that the following conditions
|
* are met:
|
* are met:
|
* 1. Redistributions of source code must retain the above copyright
|
* 1. Redistributions of source code must retain the above copyright
|
* notice, this list of conditions and the following disclaimer.
|
* notice, this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
* documentation and/or other materials provided with the distribution.
|
* 4. Neither the name of the University nor the names of 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
|
* may be used to endorse or promote products derived from this software
|
* without specific prior written permission.
|
* without specific prior written permission.
|
*
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
* 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
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
* SUCH DAMAGE.
|
* SUCH DAMAGE.
|
*/
|
*/
|
|
|
#include "ttyname.h"
|
#include "ttyname.h"
|
|
|
#include <dirent.h>
|
#include <dirent.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
#include <paths.h>
|
#include <paths.h>
|
#include <errno.h>
|
#include <errno.h>
|
|
|
static char ttyname_buf[TTYNAME_BUFSIZE] = _PATH_DEV;
|
static char ttyname_buf[TTYNAME_BUFSIZE] = _PATH_DEV;
|
|
|
/*
|
/*
|
* ttyname() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name
|
* ttyname() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name
|
*/
|
*/
|
char *
|
char *
|
_DEFUN( ttyname,(fd),
|
_DEFUN( ttyname,(fd),
|
int fd)
|
int fd)
|
{
|
{
|
register int fail;
|
register int fail;
|
register char *ret=NULL;
|
register char *ret=NULL;
|
fail = ttyname_r( fd, ttyname_buf, sizeof(ttyname_buf) );
|
fail = ttyname_r( fd, ttyname_buf, sizeof(ttyname_buf) );
|
if ( fail ) errno = fail;
|
if ( fail ) errno = fail;
|
else ret = ttyname_buf;
|
else ret = ttyname_buf;
|
return ret;
|
return ret;
|
}
|
}
|
#endif /* !_NO_TTYNAME */
|
#endif /* !_NO_TTYNAME */
|
|
|
