NetBSD/crypto/dist/heimdal/appl/login/tty.c

72 lines
2.3 KiB
C

/*
* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
#include "login_locl.h"
__RCSID("$Heimdal: tty.c,v 1.4 1999/12/02 17:04:56 joda Exp $"
"$NetBSD: tty.c,v 1.1.1.3 2002/09/12 12:41:33 joda Exp $");
/*
* Clean the tty name. Return a pointer to the cleaned version.
*/
char *
clean_ttyname (char *tty)
{
char *res = tty;
if (strncmp (res, _PATH_DEV, strlen(_PATH_DEV)) == 0)
res += strlen(_PATH_DEV);
if (strncmp (res, "pty/", 4) == 0)
res += 4;
if (strncmp (res, "ptym/", 5) == 0)
res += 5;
return res;
}
/*
* Generate a name usable as an `ut_id', typically without `tty'.
*/
char *
make_id (char *tty)
{
char *res = tty;
if (strncmp (res, "pts/", 4) == 0)
res += 4;
if (strncmp (res, "tty", 3) == 0)
res += 3;
return res;
}