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https://sourceware.org/git/glibc.git
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0f93d54cde
This reverts commit 3d3572f590.
Reason for revert: TCGETS etc. work to some extent on at least
a subset of architectures, so there is no pressing need to force
applications off them. Removal of the macros breaks building
the sanitizers, impacting both GCC and LLVM.
Reviewed-by: Sam James <sam@gentoo.org>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Copyright (C) 1992-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <termios_internals.h>
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/* Put the state of FD into *TERMIOS_P. */
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int
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__tcgetattr (int fd, struct termios *termios_p)
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{
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struct termios2 k_termios;
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long int retval = INLINE_SYSCALL_CALL (ioctl, fd, TCGETS2, &k_termios);
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if (__glibc_likely (retval != -1))
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{
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___termios2_canonicalize_speeds (&k_termios);
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memset (termios_p, 0, sizeof (*termios_p));
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termios_p->c_iflag = k_termios.c_iflag;
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termios_p->c_oflag = k_termios.c_oflag;
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termios_p->c_cflag = k_termios.c_cflag;
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termios_p->c_lflag = k_termios.c_lflag;
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termios_p->c_line = k_termios.c_line;
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termios_p->c_ospeed = k_termios.c_ospeed;
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termios_p->c_ispeed = k_termios.c_ispeed;
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copy_c_cc (termios_p->c_cc, NCCS, k_termios.c_cc, _TERMIOS2_NCCS);
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}
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return retval;
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}
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libc_hidden_def (__tcgetattr)
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#if _TERMIOS_OLD_COMPAT && _HAVE_STRUCT_OLD_TERMIOS
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versioned_symbol (libc, __tcgetattr, tcgetattr, GLIBC_2_42);
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/* Legacy version for shorter struct termios */
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int
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attribute_compat_text_section
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__old_tcgetattr (int fd, old_termios_t *termios_p)
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{
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struct termios new_termios;
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int retval = __tcgetattr (fd, &new_termios);
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if (__glibc_likely (retval != -1))
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{
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memcpy (termios_p, &new_termios, sizeof (*termios_p));
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}
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return retval;
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}
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compat_symbol (libc, __old_tcgetattr, tcgetattr, GLIBC_2_0);
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#else
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weak_alias (__tcgetattr, tcgetattr)
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#endif
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