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Diffstat (limited to '')
-rw-r--r-- | include/shtty.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/shtty.h b/include/shtty.h new file mode 100644 index 0000000..fdf379b --- /dev/null +++ b/include/shtty.h @@ -0,0 +1,112 @@ +/* Copyright (C) 1999-2020 Free Software Foundation, Inc. */ + +/* This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* + * shtty.h -- include the correct system-dependent files to manipulate the + * tty + */ + +#ifndef __SH_TTY_H_ +#define __SH_TTY_H_ + +#include "stdc.h" + +#if defined (_POSIX_VERSION) && defined (HAVE_TERMIOS_H) && defined (HAVE_TCGETATTR) && !defined (TERMIOS_MISSING) +# define TERMIOS_TTY_DRIVER +#else +# if defined (HAVE_TERMIO_H) +# define TERMIO_TTY_DRIVER +# else +# define NEW_TTY_DRIVER +# endif +#endif + +/* + * The _POSIX_SOURCE define is to avoid multiple symbol definitions + * between sys/ioctl.h and termios.h. Ditto for the test against SunOS4 + * and the undefining of several symbols. + */ + +#ifdef TERMIOS_TTY_DRIVER +# if (defined (SunOS4) || defined (SunOS5)) && !defined (_POSIX_SOURCE) +# define _POSIX_SOURCE +# endif +# if defined (SunOS4) +# undef ECHO +# undef NOFLSH +# undef TOSTOP +# endif /* SunOS4 */ +# include <termios.h> +# define TTYSTRUCT struct termios +#else +# ifdef TERMIO_TTY_DRIVER +# include <termio.h> +# define TTYSTRUCT struct termio +# else /* NEW_TTY_DRIVER */ +# include <sgtty.h> +# define TTYSTRUCT struct sgttyb +# endif +#endif + +/* Functions imported from lib/sh/shtty.c */ + +/* Get and set terminal attributes for the file descriptor passed as + an argument. */ +extern int ttgetattr PARAMS((int, TTYSTRUCT *)); +extern int ttsetattr PARAMS((int, TTYSTRUCT *)); + +/* Save and restore the terminal's attributes from static storage. */ +extern void ttsave PARAMS((void)); +extern void ttrestore PARAMS((void)); + +/* Return the attributes corresponding to the file descriptor (0 or 1) + passed as an argument. */ +extern TTYSTRUCT *ttattr PARAMS((int)); + +/* These functions only operate on the passed TTYSTRUCT; they don't + actually change anything with the kernel's current tty settings. */ +extern int tt_setonechar PARAMS((TTYSTRUCT *)); +extern int tt_setnoecho PARAMS((TTYSTRUCT *)); +extern int tt_seteightbit PARAMS((TTYSTRUCT *)); +extern int tt_setnocanon PARAMS((TTYSTRUCT *)); +extern int tt_setcbreak PARAMS((TTYSTRUCT *)); + +/* These functions are all generally mutually exclusive. If you call + more than one (bracketed with calls to ttsave and ttrestore, of + course), the right thing will happen, but more system calls will be + executed than absolutely necessary. You can do all of this yourself + with the other functions; these are only conveniences. */ + +/* These functions work with a given file descriptor and set terminal + attributes */ +extern int ttfd_onechar PARAMS((int, TTYSTRUCT *)); +extern int ttfd_noecho PARAMS((int, TTYSTRUCT *)); +extern int ttfd_eightbit PARAMS((int, TTYSTRUCT *)); +extern int ttfd_nocanon PARAMS((int, TTYSTRUCT *)); + +extern int ttfd_cbreak PARAMS((int, TTYSTRUCT *)); + +/* These functions work with fd 0 and the TTYSTRUCT saved with ttsave () */ +extern int ttonechar PARAMS((void)); +extern int ttnoecho PARAMS((void)); +extern int tteightbit PARAMS((void)); +extern int ttnocanon PARAMS((void)); + +extern int ttcbreak PARAMS((void)); + +#endif |