Libc-262.tar.gz

[apple/libc.git] / util.subproj / pty.c

diff --git a/util.subproj/pty.c b/util.subproj/pty.c
deleted file mode 100644 (file)
index aa0b2ad..0000000
--- a/util.subproj/pty.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1990, 1993, 1994
- *     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.
- */
-
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <grp.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <termios.h>
-#include <unistd.h>
-
-int openpty(amaster, aslave, name, termp, winp)
-       int *amaster, *aslave;
-       char *name;
-       struct termios *termp;
-       struct winsize *winp;
-{
-       static char line[] = "/dev/ptyXX";
-       register const char *cp1, *cp2;
-       register int master, slave, ttygid;
-       struct group *gr;
-
-       if ((gr = getgrnam("tty")) != NULL)
-               ttygid = gr->gr_gid;
-       else
-               ttygid = -1;
-
-       for (cp1 = "pqrstuvwxy"; *cp1; cp1++) {
-               line[8] = *cp1;
-               for (cp2 = "0123456789abcdef"; *cp2; cp2++) {
-                       line[5] = 'p';
-                       line[9] = *cp2;
-                       if ((master = open(line, O_RDWR, 0)) == -1) {
-                               if (errno == ENOENT)
-                                       return (-1);    /* out of ptys */
-                       } else {
-                               line[5] = 't';
-                               (void) chown(line, getuid(), ttygid);
-                               (void) chmod(line, S_IRUSR|S_IWUSR|S_IWGRP);
-                               (void) revoke(line);
-                               if ((slave = open(line, O_RDWR, 0)) != -1) {
-                                       *amaster = master;
-                                       *aslave = slave;
-                                       if (name)
-                                               strcpy(name, line);
-                                       if (termp)
-                                               (void) tcsetattr(slave, 
-                                                       TCSAFLUSH, termp);
-                                       if (winp)
-                                               (void) ioctl(slave, TIOCSWINSZ, 
-                                                       (char *)winp);
-                                       return (0);
-                               }
-                               (void) close(master);
-                       }
-               }
-       }
-       errno = ENOENT; /* out of ptys */
-       return (-1);
-}
-
-forkpty(amaster, name, termp, winp)
-       int *amaster;
-       char *name;
-       struct termios *termp;
-       struct winsize *winp;
-{
-       int master, slave, pid;
-
-       if (openpty(&master, &slave, name, termp, winp) == -1)
-               return (-1);
-       switch (pid = fork()) {
-       case -1:
-               return (-1);
-       case 0:
-               /* 
-                * child
-                */
-               (void) close(master);
-               login_tty(slave);
-               return (0);
-       }
-       /*
-        * parent
-        */
-       *amaster = master;
-       (void) close(slave);
-       return (pid);
-}