mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Copyright (C) 2016-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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; see the file COPYING.LIB. If
|
|
not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <unistd.h>
|
|
#include <stdbool.h>
|
|
#include <sys/sysmacros.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
/* Return true if this is a UNIX98 pty device, as defined in
|
|
linux/Documentation/devices.txt (on linux < 4.10) or
|
|
linux/Documentation/admin-guide/devices.txt (on linux >= 4.10). */
|
|
static inline bool
|
|
is_pty (struct __stat64_t64 *sb)
|
|
{
|
|
int m = __gnu_dev_major (sb->st_rdev);
|
|
return (136 <= m && m <= 143);
|
|
}
|
|
|
|
static inline bool
|
|
is_mytty (const struct __stat64_t64 *mytty, const struct __stat64_t64 *maybe)
|
|
{
|
|
return (maybe->st_ino == mytty->st_ino
|
|
&& maybe->st_dev == mytty->st_dev
|
|
&& S_ISCHR (maybe->st_mode)
|
|
&& maybe->st_rdev == mytty->st_rdev
|
|
);
|
|
}
|