diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/getpt.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/getpt.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c deleted file mode 100644 index a92b8f988d..0000000000 --- a/sysdeps/unix/sysv/linux/getpt.c +++ /dev/null @@ -1,101 +0,0 @@ -/* Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <fcntl.h> -#include <stdlib.h> -#include <unistd.h> -#include <paths.h> -#include <sys/statfs.h> - -#include "linux_fsinfo.h" - -/* Path to the master pseudo terminal cloning device. */ -#define _PATH_DEVPTMX _PATH_DEV "ptmx" -/* Directory containing the UNIX98 pseudo terminals. */ -#define _PATH_DEVPTS _PATH_DEV "pts" - -/* Prototype for function that opens BSD-style master pseudo-terminals. */ -int __bsd_getpt (void); - -/* Open a master pseudo terminal and return its file descriptor. */ -int -__posix_openpt (int oflag) -{ - static int have_no_dev_ptmx; - int fd; - - if (!have_no_dev_ptmx) - { - fd = __open (_PATH_DEVPTMX, oflag); - if (fd != -1) - { - struct statfs fsbuf; - static int devpts_mounted; - - /* Check that the /dev/pts filesystem is mounted - or if /dev is a devfs filesystem (this implies /dev/pts). */ - if (devpts_mounted - || (__statfs (_PATH_DEVPTS, &fsbuf) == 0 - && fsbuf.f_type == DEVPTS_SUPER_MAGIC) - || (__statfs (_PATH_DEV, &fsbuf) == 0 - && fsbuf.f_type == DEVFS_SUPER_MAGIC)) - { - /* Everything is ok. */ - devpts_mounted = 1; - return fd; - } - - /* If /dev/pts is not mounted then the UNIX98 pseudo terminals - are not usable. */ - __close (fd); - have_no_dev_ptmx = 1; - __set_errno (ENOENT); - } - else - { - if (errno == ENOENT || errno == ENODEV) - have_no_dev_ptmx = 1; - else - return -1; - } - } - else - __set_errno (ENOENT); - - return -1; -} -weak_alias (__posix_openpt, posix_openpt) - - -int -__getpt (void) -{ - int fd = __posix_openpt (O_RDWR); - if (fd == -1) - fd = __bsd_getpt (); - return fd; -} - - -#define PTYNAME1 "pqrstuvwxyzabcde"; -#define PTYNAME2 "0123456789abcdef"; - -#define __getpt __bsd_getpt -#define HAVE_POSIX_OPENPT -#include <sysdeps/unix/bsd/getpt.c> |