112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/* Copyright (C) 1999 Free Software Foundation, Inc. */
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/* This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* shtty.h -- include the correct system-dependent files to manipulate the
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* tty
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*/
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#ifndef __SH_TTY_H_
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#define __SH_TTY_H_
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#include "stdc.h"
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#if defined (_POSIX_VERSION) && defined (HAVE_TERMIOS_H) && defined (HAVE_TCGETATTR) && !defined (TERMIOS_MISSING)
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# define TERMIOS_TTY_DRIVER
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#else
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# if defined (HAVE_TERMIO_H)
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# define TERMIO_TTY_DRIVER
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# else
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# define NEW_TTY_DRIVER
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# endif
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#endif
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/*
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* The _POSIX_SOURCE define is to avoid multiple symbol definitions
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* between sys/ioctl.h and termios.h. Ditto for the test against SunOS4
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* and the undefining of several symbols.
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*/
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#ifdef TERMIOS_TTY_DRIVER
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# if (defined (SunOS4) || defined (SunOS5)) && !defined (_POSIX_SOURCE)
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# define _POSIX_SOURCE
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# endif
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# if defined (SunOS4)
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# undef ECHO
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# undef NOFLSH
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# undef TOSTOP
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# endif /* SunOS4 */
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# include <termios.h>
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# define TTYSTRUCT struct termios
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#else
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# ifdef TERMIO_TTY_DRIVER
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# include <termio.h>
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# define TTYSTRUCT struct termio
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# else /* NEW_TTY_DRIVER */
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# include <sgtty.h>
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# define TTYSTRUCT struct sgttyb
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# endif
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#endif
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/* Functions imported from lib/sh/shtty.c */
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/* Get and set terminal attributes for the file descriptor passed as
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an argument. */
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extern int ttgetattr __P((int, TTYSTRUCT *));
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extern int ttsetattr __P((int, TTYSTRUCT *));
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/* Save and restore the terminal's attributes from static storage. */
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extern void ttsave __P((void));
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extern void ttrestore __P((void));
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/* Return the attributes corresponding to the file descriptor (0 or 1)
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passed as an argument. */
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extern TTYSTRUCT *ttattr __P((int));
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/* These functions only operate on the passed TTYSTRUCT; they don't
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actually change anything with the kernel's current tty settings. */
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extern int tt_setonechar __P((TTYSTRUCT *));
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extern int tt_setnoecho __P((TTYSTRUCT *));
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extern int tt_seteightbit __P((TTYSTRUCT *));
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extern int tt_setnocanon __P((TTYSTRUCT *));
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extern int tt_setcbreak __P((TTYSTRUCT *));
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/* These functions are all generally mutually exclusive. If you call
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more than one (bracketed with calls to ttsave and ttrestore, of
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course), the right thing will happen, but more system calls will be
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executed than absolutely necessary. You can do all of this yourself
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with the other functions; these are only conveniences. */
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/* These functions work with a given file descriptor and set terminal
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attributes */
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extern int ttfd_onechar __P((int, TTYSTRUCT *));
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extern int ttfd_noecho __P((int, TTYSTRUCT *));
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extern int ttfd_eightbit __P((int, TTYSTRUCT *));
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extern int ttfd_nocanon __P((int, TTYSTRUCT *));
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extern int ttfd_cbreak __P((int, TTYSTRUCT *));
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/* These functions work with fd 0 and the TTYSTRUCT saved with ttsave () */
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extern int ttonechar __P((void));
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extern int ttnoecho __P((void));
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extern int tteightbit __P((void));
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extern int ttnocanon __P((void));
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extern int ttcbreak __P((void));
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#endif
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