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/* Copyright (C) 1992-2025 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; if not, see
<https://www.gnu.org/licenses/>. */
#include <termios_internals.h>
/* Put the state of FD into *TERMIOS_P. */
int
__tcgetattr (int fd, struct termios *termios_p)
{
struct termios2 k_termios;
long int retval = INLINE_SYSCALL_CALL (ioctl, fd, TCGETS2, &k_termios);
if (__glibc_likely (retval != -1))
{
___termios2_canonicalize_speeds (&k_termios);
memset (termios_p, 0, sizeof (*termios_p));
termios_p->c_iflag = k_termios.c_iflag;
termios_p->c_oflag = k_termios.c_oflag;
termios_p->c_cflag = k_termios.c_cflag;
termios_p->c_lflag = k_termios.c_lflag;
termios_p->c_line = k_termios.c_line;
termios_p->c_ospeed = k_termios.c_ospeed;
termios_p->c_ispeed = k_termios.c_ispeed;
copy_c_cc (termios_p->c_cc, NCCS, k_termios.c_cc, _TERMIOS2_NCCS);
}
return retval;
}
libc_hidden_def (__tcgetattr)
#if _TERMIOS_OLD_COMPAT && _HAVE_STRUCT_OLD_TERMIOS
versioned_symbol (libc, __tcgetattr, tcgetattr, GLIBC_2_42);
/* Legacy version for shorter struct termios */
int
attribute_compat_text_section
__old_tcgetattr (int fd, old_termios_t *termios_p)
{
struct termios new_termios;
int retval = __tcgetattr (fd, &new_termios);
if (__glibc_likely (retval != -1))
{
memcpy (termios_p, &new_termios, sizeof (*termios_p));
}
return retval;
}
compat_symbol (libc, __old_tcgetattr, tcgetattr, GLIBC_2_0);
#else
weak_alias (__tcgetattr, tcgetattr)
#endif
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