| 1 : |
anton
|
1.10
|
/* direct key io driver |
| 2 : |
anton
|
1.1
|
|
| 3 : |
anton
|
1.25
|
Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006 Free Software Foundation, Inc. |
| 4 : |
anton
|
1.1
|
|
| 5 : |
|
|
This file is part of Gforth. |
| 6 : |
|
|
|
| 7 : |
|
|
Gforth is free software; you can redistribute it and/or |
| 8 : |
|
|
modify it under the terms of the GNU General Public License |
| 9 : |
|
|
as published by the Free Software Foundation; either version 2 |
| 10 : |
|
|
of the License, or (at your option) any later version. |
| 11 : |
|
|
|
| 12 : |
|
|
This program is distributed in the hope that it will be useful, |
| 13 : |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 : |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 : |
|
|
GNU General Public License for more details. |
| 16 : |
|
|
|
| 17 : |
|
|
You should have received a copy of the GNU General Public License |
| 18 : |
|
|
along with this program; if not, write to the Free Software |
| 19 : |
anton
|
1.13
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
| 20 : |
anton
|
1.1
|
|
| 21 : |
|
|
The following is stolen from the readline library for bash |
| 22 : |
|
|
*/ |
| 23 : |
|
|
|
| 24 : |
|
|
/* |
| 25 : |
|
|
Use -D_POSIX_VERSION for POSIX systems. |
| 26 : |
|
|
*/ |
| 27 : |
|
|
|
| 28 : |
|
|
#include "config.h" |
| 29 : |
anton
|
1.15
|
#include "forth.h" |
| 30 : |
pazsan
|
1.7
|
#include <sys/time.h> |
| 31 : |
|
|
#include <sys/types.h> |
| 32 : |
anton
|
1.1
|
#include <unistd.h> |
| 33 : |
|
|
|
| 34 : |
|
|
#if defined(apollo) || defined(_WIN32) |
| 35 : |
|
|
#define _POSIX_VERSION |
| 36 : |
|
|
#endif |
| 37 : |
|
|
|
| 38 : |
pazsan
|
1.6
|
#if !defined(Solaris) && defined(sun) && defined(__svr4__) |
| 39 : |
|
|
#define Solaris |
| 40 : |
|
|
typedef unsigned int uint32_t; |
| 41 : |
|
|
#endif |
| 42 : |
|
|
|
| 43 : |
anton
|
1.1
|
#include <stdio.h> |
| 44 : |
|
|
#include <signal.h> |
| 45 : |
|
|
#include <string.h> |
| 46 : |
|
|
#if !defined(apollo) && !defined(MSDOS) |
| 47 : |
|
|
#include <sys/ioctl.h> |
| 48 : |
|
|
#endif |
| 49 : |
|
|
#include <fcntl.h> |
| 50 : |
|
|
#include <sys/file.h> |
| 51 : |
|
|
#if defined(Solaris) && !defined(FIONREAD) |
| 52 : |
|
|
#include <sys/filio.h> |
| 53 : |
|
|
#endif |
| 54 : |
|
|
#include <setjmp.h> |
| 55 : |
|
|
#include "io.h" |
| 56 : |
|
|
|
| 57 : |
|
|
#ifndef MSDOS |
| 58 : |
|
|
#if defined (__GNUC__) |
| 59 : |
|
|
# define alloca __builtin_alloca |
| 60 : |
|
|
#else |
| 61 : |
|
|
# if defined (sparc) || defined (HAVE_ALLOCA_H) |
| 62 : |
|
|
# include <alloca.h> |
| 63 : |
|
|
# endif |
| 64 : |
|
|
#endif |
| 65 : |
|
|
|
| 66 : |
|
|
#define NEW_TTY_DRIVER |
| 67 : |
|
|
#define HAVE_BSD_SIGNALS |
| 68 : |
|
|
/* |
| 69 : |
|
|
#ifndef apollo |
| 70 : |
|
|
#define USE_XON_XOFF |
| 71 : |
|
|
#endif |
| 72 : |
|
|
*/ |
| 73 : |
|
|
|
| 74 : |
|
|
#define HANDLE_SIGNALS |
| 75 : |
|
|
|
| 76 : |
|
|
/* Some USG machines have BSD signal handling (sigblock, sigsetmask, etc.) */ |
| 77 : |
|
|
#if defined (USG) && !defined (hpux) |
| 78 : |
|
|
#undef HAVE_BSD_SIGNALS |
| 79 : |
|
|
#endif |
| 80 : |
|
|
|
| 81 : |
|
|
/* System V machines use termio. */ |
| 82 : |
|
|
#if !defined (_POSIX_VERSION) |
| 83 : |
|
|
# if defined (USG) || defined (hpux) || defined (Xenix) || defined (sgi) || defined (DGUX) || defined (ultrix) || defined (Solaris) || defined(_WIN32) |
| 84 : |
|
|
# undef NEW_TTY_DRIVER |
| 85 : |
|
|
# define TERMIO_TTY_DRIVER |
| 86 : |
|
|
# include <termio.h> |
| 87 : |
|
|
# if !defined (TCOON) |
| 88 : |
|
|
# define TCOON 1 |
| 89 : |
|
|
# endif |
| 90 : |
|
|
# endif /* USG || hpux || Xenix || sgi || DUGX || ultrix*/ |
| 91 : |
|
|
#endif /* !_POSIX_VERSION */ |
| 92 : |
|
|
|
| 93 : |
|
|
/* Posix systems use termios and the Posix signal functions. */ |
| 94 : |
pazsan
|
1.5
|
#if defined (_POSIX_VERSION) || defined (NeXT) |
| 95 : |
anton
|
1.1
|
# if !defined (TERMIOS_MISSING) |
| 96 : |
|
|
# undef NEW_TTY_DRIVER |
| 97 : |
|
|
# define TERMIOS_TTY_DRIVER |
| 98 : |
|
|
# include <termios.h> |
| 99 : |
|
|
# endif /* !TERMIOS_MISSING */ |
| 100 : |
pazsan
|
1.5
|
#endif /* _POSIX_VERSION || NeXT */ |
| 101 : |
|
|
|
| 102 : |
|
|
#if defined (_POSIX_VERSION) |
| 103 : |
anton
|
1.1
|
# define HAVE_POSIX_SIGNALS |
| 104 : |
|
|
# if !defined (O_NDELAY) |
| 105 : |
|
|
# define O_NDELAY O_NONBLOCK /* Posix-style non-blocking i/o */ |
| 106 : |
|
|
# endif /* O_NDELAY */ |
| 107 : |
|
|
#endif /* _POSIX_VERSION */ |
| 108 : |
|
|
|
| 109 : |
|
|
/* Other (BSD) machines use sgtty. */ |
| 110 : |
|
|
#if defined (NEW_TTY_DRIVER) |
| 111 : |
|
|
#include <sgtty.h> |
| 112 : |
|
|
#endif |
| 113 : |
|
|
|
| 114 : |
|
|
/* Define _POSIX_VDISABLE if we are not using the `new' tty driver and |
| 115 : |
|
|
it is not already defined. It is used both to determine if a |
| 116 : |
|
|
special character is disabled and to disable certain special |
| 117 : |
|
|
characters. Posix systems should set to 0, USG systems to -1. */ |
| 118 : |
|
|
#if !defined (NEW_TTY_DRIVER) && !defined (_POSIX_VDISABLE) |
| 119 : |
pazsan
|
1.5
|
# if defined (_POSIX_VERSION) || defined (NeXT) |
| 120 : |
anton
|
1.1
|
# define _POSIX_VDISABLE 0 |
| 121 : |
|
|
# else /* !_POSIX_VERSION */ |
| 122 : |
|
|
# define _POSIX_VDISABLE -1 |
| 123 : |
|
|
# endif /* !_POSIX_VERSION */ |
| 124 : |
|
|
#endif /* !NEW_TTY_DRIVER && !_POSIX_VDISABLE */ |
| 125 : |
|
|
|
| 126 : |
|
|
#include <errno.h> |
| 127 : |
|
|
/* extern int errno; */ |
| 128 : |
|
|
|
| 129 : |
|
|
#if defined (SHELL) |
| 130 : |
|
|
# include <posixstat.h> |
| 131 : |
|
|
#else |
| 132 : |
|
|
# include <sys/stat.h> |
| 133 : |
|
|
#endif /* !SHELL */ |
| 134 : |
|
|
/* #define HACK_TERMCAP_MOTION */ |
| 135 : |
|
|
|
| 136 : |
|
|
#if defined (USG) && defined (hpux) |
| 137 : |
|
|
# if !defined (USGr3) |
| 138 : |
|
|
# define USGr3 |
| 139 : |
|
|
# endif /* USGr3 */ |
| 140 : |
|
|
#endif /* USG && hpux */ |
| 141 : |
|
|
|
| 142 : |
|
|
#if (defined (_POSIX_VERSION) || defined (USGr3)) && !defined(apollo) |
| 143 : |
|
|
# include <dirent.h> |
| 144 : |
|
|
# define direct dirent |
| 145 : |
|
|
# if defined (_POSIX_VERSION) |
| 146 : |
|
|
# define D_NAMLEN(d) (strlen ((d)->d_name)) |
| 147 : |
|
|
# else /* !_POSIX_VERSION */ |
| 148 : |
|
|
# define D_NAMLEN(d) ((d)->d_reclen) |
| 149 : |
|
|
# endif /* !_POSIX_VERSION */ |
| 150 : |
|
|
#else /* !_POSIX_VERSION && !USGr3 */ |
| 151 : |
|
|
# define D_NAMLEN(d) ((d)->d_namlen) |
| 152 : |
|
|
# if !defined (USG) |
| 153 : |
|
|
# include <sys/dir.h> |
| 154 : |
|
|
# else /* USG */ |
| 155 : |
|
|
# if defined (Xenix) |
| 156 : |
|
|
# include <sys/ndir.h> |
| 157 : |
|
|
# else /* !Xenix */ |
| 158 : |
|
|
# include <ndir.h> |
| 159 : |
|
|
# endif /* !Xenix */ |
| 160 : |
|
|
# endif /* USG */ |
| 161 : |
|
|
#endif /* !POSIX_VERSION && !USGr3 */ |
| 162 : |
|
|
|
| 163 : |
|
|
#if defined (USG) && defined (TIOCGWINSZ) |
| 164 : |
|
|
# include <sys/stream.h> |
| 165 : |
|
|
# if defined (USGr4) || defined (USGr3) |
| 166 : |
|
|
# if defined (Symmetry) || defined (_SEQUENT_) |
| 167 : |
|
|
# include <sys/pte.h> |
| 168 : |
|
|
# else |
| 169 : |
|
|
# include <sys/ptem.h> |
| 170 : |
|
|
# endif /* !Symmetry || _SEQUENT_ */ |
| 171 : |
|
|
# endif /* USGr4 */ |
| 172 : |
|
|
#endif /* USG && TIOCGWINSZ */ |
| 173 : |
|
|
|
| 174 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) |
| 175 : |
|
|
static struct termios otio; |
| 176 : |
|
|
#else |
| 177 : |
|
|
static struct termio otio; |
| 178 : |
|
|
#endif /* !TERMIOS_TTY_DRIVER */ |
| 179 : |
|
|
|
| 180 : |
|
|
/* Non-zero means echo characters as they are read. */ |
| 181 : |
|
|
int readline_echoing_p = 1; |
| 182 : |
|
|
|
| 183 : |
|
|
/* The character that can generate an EOF. Really read from |
| 184 : |
|
|
the terminal driver... just defaulted here. */ |
| 185 : |
|
|
|
| 186 : |
|
|
#ifndef CTRL |
| 187 : |
|
|
#define CTRL(key) ((key)-'@') |
| 188 : |
|
|
#endif |
| 189 : |
|
|
|
| 190 : |
|
|
static int eof_char = CTRL ('D'); |
| 191 : |
|
|
|
| 192 : |
|
|
/* **************************************************************** */ |
| 193 : |
|
|
/* */ |
| 194 : |
|
|
/* Saving and Restoring the TTY */ |
| 195 : |
|
|
/* */ |
| 196 : |
|
|
/* **************************************************************** */ |
| 197 : |
|
|
|
| 198 : |
|
|
/* Non-zero means that the terminal is in a prepped state. */ |
| 199 : |
|
|
int terminal_prepped = 0; |
| 200 : |
|
|
|
| 201 : |
|
|
#if defined (NEW_TTY_DRIVER) |
| 202 : |
|
|
|
| 203 : |
|
|
/* Standard flags, including ECHO. */ |
| 204 : |
|
|
static int original_tty_flags = 0; |
| 205 : |
|
|
|
| 206 : |
|
|
/* Local mode flags, like LPASS8. */ |
| 207 : |
|
|
static int local_mode_flags = 0; |
| 208 : |
|
|
|
| 209 : |
|
|
/* Terminal characters. This has C-s and C-q in it. */ |
| 210 : |
|
|
static struct tchars original_tchars; |
| 211 : |
|
|
|
| 212 : |
|
|
/* Local special characters. This has the interrupt characters in it. */ |
| 213 : |
|
|
#if defined (TIOCGLTC) |
| 214 : |
|
|
static struct ltchars original_ltchars; |
| 215 : |
|
|
#endif |
| 216 : |
|
|
|
| 217 : |
|
|
/* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */ |
| 218 : |
|
|
|
| 219 : |
|
|
#if defined (TIOCGETC) |
| 220 : |
|
|
#if defined (USE_XON_XOFF) |
| 221 : |
|
|
|
| 222 : |
|
|
int |
| 223 : |
|
|
bind_key (key, function) |
| 224 : |
|
|
int key; |
| 225 : |
|
|
Function *function; |
| 226 : |
|
|
{ |
| 227 : |
|
|
if (key < 0) |
| 228 : |
|
|
return (key); |
| 229 : |
|
|
|
| 230 : |
|
|
if (key > 127 && key < 256) |
| 231 : |
|
|
{ |
| 232 : |
|
|
if (keymap[ESC].type == ISKMAP) |
| 233 : |
|
|
{ |
| 234 : |
|
|
Keymap escmap = (Keymap)keymap[ESC].function; |
| 235 : |
|
|
|
| 236 : |
|
|
key -= 128; |
| 237 : |
|
|
escmap[key].type = ISFUNC; |
| 238 : |
|
|
escmap[key].function = function; |
| 239 : |
|
|
return (0); |
| 240 : |
|
|
} |
| 241 : |
|
|
return (key); |
| 242 : |
|
|
} |
| 243 : |
|
|
|
| 244 : |
|
|
keymap[key].type = ISFUNC; |
| 245 : |
|
|
keymap[key].function = function; |
| 246 : |
|
|
return (0); |
| 247 : |
|
|
} |
| 248 : |
|
|
#endif |
| 249 : |
|
|
#endif |
| 250 : |
|
|
|
| 251 : |
|
|
/* We use this to get and set the tty_flags. */ |
| 252 : |
|
|
static struct sgttyb the_ttybuff; |
| 253 : |
|
|
|
| 254 : |
|
|
#if defined (USE_XON_XOFF) |
| 255 : |
|
|
/* If the terminal was in xoff state when we got to it, then xon_char |
| 256 : |
|
|
contains the character that is supposed to start it again. */ |
| 257 : |
|
|
static int xon_char, xoff_state; |
| 258 : |
|
|
#endif /* USE_XON_XOFF */ |
| 259 : |
|
|
|
| 260 : |
|
|
/* **************************************************************** */ |
| 261 : |
|
|
/* */ |
| 262 : |
|
|
/* Bogus Flow Control */ |
| 263 : |
|
|
/* */ |
| 264 : |
|
|
/* **************************************************************** */ |
| 265 : |
|
|
|
| 266 : |
|
|
restart_output (count, key) |
| 267 : |
|
|
int count, key; |
| 268 : |
|
|
{ |
| 269 : |
|
|
int fildes = fileno (stdin); |
| 270 : |
|
|
#if defined (TIOCSTART) |
| 271 : |
|
|
#if defined (apollo) |
| 272 : |
|
|
ioctl (&fildes, TIOCSTART, 0); |
| 273 : |
|
|
#else |
| 274 : |
|
|
ioctl (fildes, TIOCSTART, 0); |
| 275 : |
|
|
#endif /* apollo */ |
| 276 : |
|
|
|
| 277 : |
|
|
#else |
| 278 : |
|
|
# if defined (TERMIOS_TTY_DRIVER) |
| 279 : |
|
|
tcflow (fildes, TCOON); |
| 280 : |
|
|
# else |
| 281 : |
|
|
# if defined (TCXONC) |
| 282 : |
|
|
ioctl (fildes, TCXONC, TCOON); |
| 283 : |
|
|
# endif /* TCXONC */ |
| 284 : |
|
|
# endif /* !TERMIOS_TTY_DRIVER */ |
| 285 : |
|
|
#endif /* TIOCSTART */ |
| 286 : |
|
|
} |
| 287 : |
|
|
|
| 288 : |
|
|
/* Put the terminal in CBREAK mode so that we can detect key presses. */ |
| 289 : |
|
|
void prep_terminal () |
| 290 : |
|
|
{ |
| 291 : |
|
|
int tty = fileno (stdin); |
| 292 : |
|
|
#if defined (HAVE_BSD_SIGNALS) |
| 293 : |
|
|
int oldmask; |
| 294 : |
|
|
#endif /* HAVE_BSD_SIGNALS */ |
| 295 : |
|
|
|
| 296 : |
|
|
if (terminal_prepped) |
| 297 : |
|
|
return; |
| 298 : |
|
|
|
| 299 : |
|
|
if (!isatty(tty)) { /* added by MdG */ |
| 300 : |
|
|
terminal_prepped = 1; /* added by MdG */ |
| 301 : |
|
|
return; /* added by MdG */ |
| 302 : |
|
|
} /* added by MdG */ |
| 303 : |
|
|
|
| 304 : |
|
|
oldmask = sigblock (sigmask (SIGINT)); |
| 305 : |
|
|
|
| 306 : |
|
|
/* We always get the latest tty values. Maybe stty changed them. */ |
| 307 : |
|
|
ioctl (tty, TIOCGETP, &the_ttybuff); |
| 308 : |
|
|
original_tty_flags = the_ttybuff.sg_flags; |
| 309 : |
|
|
|
| 310 : |
|
|
readline_echoing_p = (original_tty_flags & ECHO); |
| 311 : |
|
|
|
| 312 : |
|
|
#if defined (TIOCLGET) |
| 313 : |
|
|
ioctl (tty, TIOCLGET, &local_mode_flags); |
| 314 : |
|
|
#endif |
| 315 : |
|
|
|
| 316 : |
|
|
#if !defined (ANYP) |
| 317 : |
|
|
# define ANYP (EVENP | ODDP) |
| 318 : |
|
|
#endif |
| 319 : |
|
|
|
| 320 : |
|
|
/* If this terminal doesn't care how the 8th bit is used, |
| 321 : |
|
|
then we can use it for the meta-key. We check by seeing |
| 322 : |
|
|
if BOTH odd and even parity are allowed. */ |
| 323 : |
|
|
if (the_ttybuff.sg_flags & ANYP) |
| 324 : |
|
|
{ |
| 325 : |
|
|
#if defined (PASS8) |
| 326 : |
|
|
the_ttybuff.sg_flags |= PASS8; |
| 327 : |
|
|
#endif |
| 328 : |
|
|
|
| 329 : |
|
|
/* Hack on local mode flags if we can. */ |
| 330 : |
|
|
#if defined (TIOCLGET) && defined (LPASS8) |
| 331 : |
|
|
{ |
| 332 : |
|
|
int flags; |
| 333 : |
|
|
flags = local_mode_flags | LPASS8; |
| 334 : |
|
|
ioctl (tty, TIOCLSET, &flags); |
| 335 : |
|
|
} |
| 336 : |
|
|
#endif /* TIOCLGET && LPASS8 */ |
| 337 : |
|
|
} |
| 338 : |
|
|
|
| 339 : |
|
|
#if defined (TIOCGETC) |
| 340 : |
|
|
{ |
| 341 : |
|
|
struct tchars temp; |
| 342 : |
|
|
|
| 343 : |
|
|
ioctl (tty, TIOCGETC, &original_tchars); |
| 344 : |
|
|
temp = original_tchars; |
| 345 : |
|
|
|
| 346 : |
|
|
#if defined (USE_XON_XOFF) |
| 347 : |
|
|
/* Get rid of C-s and C-q. |
| 348 : |
|
|
We remember the value of startc (C-q) so that if the terminal is in |
| 349 : |
|
|
xoff state, the user can xon it by pressing that character. */ |
| 350 : |
|
|
xon_char = temp.t_startc; |
| 351 : |
|
|
temp.t_stopc = -1; |
| 352 : |
|
|
temp.t_startc = -1; |
| 353 : |
|
|
|
| 354 : |
|
|
/* If there is an XON character, bind it to restart the output. */ |
| 355 : |
|
|
if (xon_char != -1) |
| 356 : |
|
|
bind_key (xon_char, restart_output); |
| 357 : |
|
|
#endif /* USE_XON_XOFF */ |
| 358 : |
|
|
|
| 359 : |
|
|
/* If there is an EOF char, bind eof_char to it. */ |
| 360 : |
|
|
if (temp.t_eofc != -1) |
| 361 : |
|
|
eof_char = temp.t_eofc; |
| 362 : |
|
|
|
| 363 : |
|
|
#if defined (NO_KILL_INTR) |
| 364 : |
|
|
/* Get rid of C-\ and C-c. */ |
| 365 : |
|
|
temp.t_intrc = temp.t_quitc = -1; |
| 366 : |
|
|
#endif /* NO_KILL_INTR */ |
| 367 : |
|
|
|
| 368 : |
|
|
ioctl (tty, TIOCSETC, &temp); |
| 369 : |
|
|
} |
| 370 : |
|
|
#endif /* TIOCGETC */ |
| 371 : |
|
|
|
| 372 : |
|
|
#if defined (TIOCGLTC) |
| 373 : |
|
|
{ |
| 374 : |
|
|
struct ltchars temp; |
| 375 : |
|
|
|
| 376 : |
|
|
ioctl (tty, TIOCGLTC, &original_ltchars); |
| 377 : |
|
|
temp = original_ltchars; |
| 378 : |
|
|
|
| 379 : |
|
|
/* Make the interrupt keys go away. Just enough to make people |
| 380 : |
|
|
happy. */ |
| 381 : |
|
|
temp.t_dsuspc = -1; /* C-y */ |
| 382 : |
|
|
temp.t_lnextc = -1; /* C-v */ |
| 383 : |
|
|
|
| 384 : |
|
|
ioctl (tty, TIOCSLTC, &temp); |
| 385 : |
|
|
} |
| 386 : |
|
|
#endif /* TIOCGLTC */ |
| 387 : |
|
|
|
| 388 : |
|
|
the_ttybuff.sg_flags &= ~(ECHO | CRMOD); |
| 389 : |
|
|
the_ttybuff.sg_flags |= CBREAK; |
| 390 : |
|
|
ioctl (tty, TIOCSETN, &the_ttybuff); |
| 391 : |
|
|
|
| 392 : |
|
|
terminal_prepped = 1; |
| 393 : |
|
|
|
| 394 : |
|
|
#if defined (HAVE_BSD_SIGNALS) |
| 395 : |
|
|
sigsetmask (oldmask); |
| 396 : |
|
|
#endif |
| 397 : |
|
|
} |
| 398 : |
|
|
|
| 399 : |
|
|
/* Restore the terminal to its original state. */ |
| 400 : |
|
|
void deprep_terminal () |
| 401 : |
|
|
{ |
| 402 : |
|
|
int tty = fileno (stdin); |
| 403 : |
|
|
#if defined (HAVE_BSD_SIGNALS) |
| 404 : |
|
|
int oldmask; |
| 405 : |
|
|
#endif |
| 406 : |
|
|
|
| 407 : |
|
|
if (!terminal_prepped) |
| 408 : |
|
|
return; |
| 409 : |
|
|
|
| 410 : |
|
|
/* Added by MdG */ |
| 411 : |
|
|
if (!isatty(tty)) { |
| 412 : |
|
|
terminal_prepped = 0; |
| 413 : |
|
|
return; |
| 414 : |
|
|
} |
| 415 : |
|
|
|
| 416 : |
|
|
oldmask = sigblock (sigmask (SIGINT)); |
| 417 : |
|
|
|
| 418 : |
|
|
the_ttybuff.sg_flags = original_tty_flags; |
| 419 : |
|
|
ioctl (tty, TIOCSETN, &the_ttybuff); |
| 420 : |
|
|
readline_echoing_p = 1; |
| 421 : |
|
|
|
| 422 : |
|
|
#if defined (TIOCLGET) |
| 423 : |
|
|
ioctl (tty, TIOCLSET, &local_mode_flags); |
| 424 : |
|
|
#endif |
| 425 : |
|
|
|
| 426 : |
|
|
#if defined (TIOCSLTC) |
| 427 : |
|
|
ioctl (tty, TIOCSLTC, &original_ltchars); |
| 428 : |
|
|
#endif |
| 429 : |
|
|
|
| 430 : |
|
|
#if defined (TIOCSETC) |
| 431 : |
|
|
ioctl (tty, TIOCSETC, &original_tchars); |
| 432 : |
|
|
#endif |
| 433 : |
|
|
terminal_prepped = 0; |
| 434 : |
|
|
|
| 435 : |
|
|
#if defined (HAVE_BSD_SIGNALS) |
| 436 : |
|
|
sigsetmask (oldmask); |
| 437 : |
|
|
#endif |
| 438 : |
|
|
} |
| 439 : |
|
|
|
| 440 : |
|
|
#else /* !defined (NEW_TTY_DRIVER) */ |
| 441 : |
|
|
|
| 442 : |
|
|
#if !defined (VMIN) |
| 443 : |
|
|
#define VMIN VEOF |
| 444 : |
|
|
#endif |
| 445 : |
|
|
|
| 446 : |
|
|
#if !defined (VTIME) |
| 447 : |
|
|
#define VTIME VEOL |
| 448 : |
|
|
#endif |
| 449 : |
|
|
|
| 450 : |
pazsan
|
1.18
|
#include <locale.h> |
| 451 : |
|
|
|
| 452 : |
anton
|
1.1
|
void prep_terminal () |
| 453 : |
|
|
{ |
| 454 : |
|
|
int tty = fileno (stdin); |
| 455 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) |
| 456 : |
|
|
struct termios tio; |
| 457 : |
|
|
#else |
| 458 : |
|
|
struct termio tio; |
| 459 : |
|
|
#endif /* !TERMIOS_TTY_DRIVER */ |
| 460 : |
|
|
|
| 461 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 462 : |
|
|
sigset_t set, oset; |
| 463 : |
|
|
#else |
| 464 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 465 : |
|
|
int oldmask; |
| 466 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 467 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 468 : |
|
|
|
| 469 : |
|
|
if (terminal_prepped) |
| 470 : |
|
|
return; |
| 471 : |
|
|
|
| 472 : |
|
|
if (!isatty(tty)) { /* added by MdG */ |
| 473 : |
|
|
terminal_prepped = 1; /* added by MdG */ |
| 474 : |
|
|
return; /* added by MdG */ |
| 475 : |
|
|
} /* added by MdG */ |
| 476 : |
|
|
|
| 477 : |
pazsan
|
1.18
|
setlocale(LC_ALL, ""); |
| 478 : |
pazsan
|
1.24
|
setlocale(LC_NUMERIC, "C"); |
| 479 : |
pazsan
|
1.18
|
|
| 480 : |
anton
|
1.1
|
/* Try to keep this function from being INTerrupted. We can do it |
| 481 : |
|
|
on POSIX and systems with BSD-like signal handling. */ |
| 482 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 483 : |
|
|
sigemptyset (&set); |
| 484 : |
|
|
sigemptyset (&oset); |
| 485 : |
|
|
sigaddset (&set, SIGINT); |
| 486 : |
|
|
sigprocmask (SIG_BLOCK, &set, &oset); |
| 487 : |
|
|
#else /* !HAVE_POSIX_SIGNALS */ |
| 488 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 489 : |
|
|
oldmask = sigblock (sigmask (SIGINT)); |
| 490 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 491 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 492 : |
|
|
|
| 493 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) |
| 494 : |
|
|
tcgetattr (tty, &tio); |
| 495 : |
|
|
#else |
| 496 : |
|
|
ioctl (tty, TCGETA, &tio); |
| 497 : |
|
|
#endif /* !TERMIOS_TTY_DRIVER */ |
| 498 : |
|
|
|
| 499 : |
|
|
otio = tio; |
| 500 : |
|
|
|
| 501 : |
|
|
readline_echoing_p = (tio.c_lflag & ECHO); |
| 502 : |
|
|
|
| 503 : |
|
|
tio.c_lflag &= ~(ICANON | ECHO); |
| 504 : |
|
|
|
| 505 : |
|
|
if (otio.c_cc[VEOF] != _POSIX_VDISABLE) |
| 506 : |
|
|
eof_char = otio.c_cc[VEOF]; |
| 507 : |
|
|
|
| 508 : |
|
|
#if defined (USE_XON_XOFF) |
| 509 : |
|
|
#if defined (IXANY) |
| 510 : |
|
|
tio.c_iflag &= ~(IXON | IXOFF | IXANY); |
| 511 : |
|
|
#else |
| 512 : |
|
|
/* `strict' Posix systems do not define IXANY. */ |
| 513 : |
|
|
tio.c_iflag &= ~(IXON | IXOFF); |
| 514 : |
|
|
#endif /* IXANY */ |
| 515 : |
|
|
#endif /* USE_XON_XOFF */ |
| 516 : |
|
|
|
| 517 : |
|
|
/* Only turn this off if we are using all 8 bits. */ |
| 518 : |
|
|
if ((tio.c_cflag & CSIZE) == CS8) |
| 519 : |
|
|
tio.c_iflag &= ~(ISTRIP | INPCK); |
| 520 : |
|
|
|
| 521 : |
|
|
/* Make sure we differentiate between CR and NL on input. */ |
| 522 : |
|
|
tio.c_iflag &= ~(ICRNL | INLCR); |
| 523 : |
|
|
|
| 524 : |
|
|
#if !defined (HANDLE_SIGNALS) |
| 525 : |
|
|
tio.c_lflag &= ~ISIG; |
| 526 : |
|
|
#else |
| 527 : |
|
|
tio.c_lflag |= ISIG; |
| 528 : |
|
|
#endif |
| 529 : |
|
|
|
| 530 : |
|
|
tio.c_cc[VMIN] = 1; |
| 531 : |
|
|
tio.c_cc[VTIME] = 0; |
| 532 : |
|
|
|
| 533 : |
|
|
/* Turn off characters that we need on Posix systems with job control, |
| 534 : |
|
|
just to be sure. This includes ^Y and ^V. This should not really |
| 535 : |
|
|
be necessary. */ |
| 536 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_JOB_CONTROL) |
| 537 : |
|
|
|
| 538 : |
|
|
#if defined (VLNEXT) |
| 539 : |
|
|
tio.c_cc[VLNEXT] = _POSIX_VDISABLE; |
| 540 : |
|
|
#endif |
| 541 : |
|
|
|
| 542 : |
|
|
#if defined (VDSUSP) |
| 543 : |
|
|
tio.c_cc[VDSUSP] = _POSIX_VDISABLE; |
| 544 : |
|
|
#endif |
| 545 : |
|
|
|
| 546 : |
|
|
#endif /* POSIX && JOB_CONTROL */ |
| 547 : |
|
|
|
| 548 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) |
| 549 : |
|
|
tcsetattr (tty, TCSADRAIN, &tio); |
| 550 : |
|
|
tcflow (tty, TCOON); /* Simulate a ^Q. */ |
| 551 : |
|
|
#else |
| 552 : |
|
|
ioctl (tty, TCSETAW, &tio); |
| 553 : |
|
|
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */ |
| 554 : |
|
|
#endif /* !TERMIOS_TTY_DRIVER */ |
| 555 : |
|
|
|
| 556 : |
|
|
terminal_prepped = 1; |
| 557 : |
|
|
|
| 558 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 559 : |
|
|
sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL); |
| 560 : |
|
|
#else |
| 561 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 562 : |
|
|
sigsetmask (oldmask); |
| 563 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 564 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 565 : |
|
|
} |
| 566 : |
|
|
|
| 567 : |
|
|
void deprep_terminal () |
| 568 : |
|
|
{ |
| 569 : |
|
|
int tty = fileno (stdin); |
| 570 : |
|
|
|
| 571 : |
|
|
/* Try to keep this function from being INTerrupted. We can do it |
| 572 : |
|
|
on POSIX and systems with BSD-like signal handling. */ |
| 573 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 574 : |
|
|
sigset_t set, oset; |
| 575 : |
|
|
#else /* !HAVE_POSIX_SIGNALS */ |
| 576 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 577 : |
|
|
int oldmask; |
| 578 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 579 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 580 : |
|
|
|
| 581 : |
|
|
if (!terminal_prepped) |
| 582 : |
|
|
return; |
| 583 : |
|
|
|
| 584 : |
|
|
/* Added by MdG */ |
| 585 : |
|
|
if (!isatty(tty)) { |
| 586 : |
|
|
terminal_prepped = 0; |
| 587 : |
|
|
return; |
| 588 : |
|
|
} |
| 589 : |
|
|
|
| 590 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 591 : |
|
|
sigemptyset (&set); |
| 592 : |
|
|
sigemptyset (&oset); |
| 593 : |
|
|
sigaddset (&set, SIGINT); |
| 594 : |
|
|
sigprocmask (SIG_BLOCK, &set, &oset); |
| 595 : |
|
|
#else /* !HAVE_POSIX_SIGNALS */ |
| 596 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 597 : |
|
|
oldmask = sigblock (sigmask (SIGINT)); |
| 598 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 599 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 600 : |
|
|
|
| 601 : |
|
|
#if defined (TERMIOS_TTY_DRIVER) |
| 602 : |
|
|
tcsetattr (tty, TCSADRAIN, &otio); |
| 603 : |
|
|
tcflow (tty, TCOON); /* Simulate a ^Q. */ |
| 604 : |
|
|
#else /* TERMIOS_TTY_DRIVER */ |
| 605 : |
|
|
ioctl (tty, TCSETAW, &otio); |
| 606 : |
|
|
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */ |
| 607 : |
|
|
#endif /* !TERMIOS_TTY_DRIVER */ |
| 608 : |
|
|
|
| 609 : |
|
|
terminal_prepped = 0; |
| 610 : |
|
|
|
| 611 : |
|
|
#if defined (HAVE_POSIX_SIGNALS) |
| 612 : |
|
|
sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL); |
| 613 : |
|
|
#else /* !HAVE_POSIX_SIGNALS */ |
| 614 : |
|
|
# if defined (HAVE_BSD_SIGNALS) |
| 615 : |
|
|
sigsetmask (oldmask); |
| 616 : |
|
|
# endif /* HAVE_BSD_SIGNALS */ |
| 617 : |
|
|
#endif /* !HAVE_POSIX_SIGNALS */ |
| 618 : |
|
|
} |
| 619 : |
|
|
#endif /* NEW_TTY_DRIVER */ |
| 620 : |
|
|
|
| 621 : |
pazsan
|
1.7
|
long key_avail (FILE * stream) |
| 622 : |
anton
|
1.1
|
{ |
| 623 : |
|
|
int tty = fileno (stream); |
| 624 : |
anton
|
1.21
|
fd_set selin; |
| 625 : |
pazsan
|
1.28
|
static struct timespec now = { 0 , 0 }; |
| 626 : |
anton
|
1.21
|
int res; |
| 627 : |
anton
|
1.1
|
|
| 628 : |
anton
|
1.22
|
setvbuf(stream, NULL, _IONBF, 0); |
| 629 : |
anton
|
1.20
|
if(!terminal_prepped && stream == stdin) |
| 630 : |
|
|
prep_terminal(); |
| 631 : |
anton
|
1.1
|
|
| 632 : |
anton
|
1.21
|
FD_ZERO(&selin); |
| 633 : |
|
|
FD_SET(tty, &selin); |
| 634 : |
pazsan
|
1.28
|
return select(1, &selin, NULL, NULL, &now); |
| 635 : |
anton
|
1.1
|
} |
| 636 : |
|
|
|
| 637 : |
|
|
/* Get a key from the buffer of characters to be read. |
| 638 : |
|
|
Return the key in KEY. |
| 639 : |
|
|
Result is KEY if there was a key, or 0 if there wasn't. */ |
| 640 : |
|
|
|
| 641 : |
|
|
/* When compiling and running in the `Posix' environment, Ultrix does |
| 642 : |
|
|
not restart system calls, so this needs to do it. */ |
| 643 : |
|
|
|
| 644 : |
anton
|
1.11
|
Cell getkey(FILE * stream) |
| 645 : |
anton
|
1.1
|
{ |
| 646 : |
anton
|
1.11
|
Cell result; |
| 647 : |
anton
|
1.1
|
unsigned char c; |
| 648 : |
|
|
|
| 649 : |
anton
|
1.23
|
setvbuf(stream, NULL, _IONBF, 0); |
| 650 : |
anton
|
1.22
|
if(!terminal_prepped && stream == stdin) |
| 651 : |
anton
|
1.11
|
prep_terminal(); |
| 652 : |
anton
|
1.1
|
|
| 653 : |
anton
|
1.22
|
result = fread(&c, sizeof(c), 1, stream); |
| 654 : |
|
|
return result==0 ? EOF : c; |
| 655 : |
anton
|
1.1
|
} |
| 656 : |
|
|
|
| 657 : |
pazsan
|
1.26
|
#ifdef STANDALONE |
| 658 : |
|
|
void emit_char(char x) |
| 659 : |
|
|
{ |
| 660 : |
|
|
putc(x, stdout); |
| 661 : |
|
|
} |
| 662 : |
|
|
|
| 663 : |
|
|
void type_chars(char *addr, unsigned int l) |
| 664 : |
|
|
{ |
| 665 : |
|
|
fwrite(addr, l, 1, stdout); |
| 666 : |
|
|
} |
| 667 : |
|
|
#endif |
| 668 : |
|
|
|
| 669 : |
anton
|
1.1
|
#ifdef TEST |
| 670 : |
|
|
|
| 671 : |
|
|
#include <time.h> |
| 672 : |
|
|
|
| 673 : |
|
|
int timewait=100000; |
| 674 : |
|
|
|
| 675 : |
|
|
int main() |
| 676 : |
|
|
{ |
| 677 : |
|
|
unsigned char c; |
| 678 : |
|
|
|
| 679 : |
|
|
prep_terminal(); |
| 680 : |
|
|
|
| 681 : |
|
|
do |
| 682 : |
|
|
{ |
| 683 : |
|
|
int i=0; |
| 684 : |
|
|
|
| 685 : |
|
|
while(!key_avail(stdin)) |
| 686 : |
|
|
{ |
| 687 : |
|
|
printf("%04d",i); |
| 688 : |
|
|
fflush(stdout); |
| 689 : |
|
|
{ |
| 690 : |
|
|
struct timeval timeout; |
| 691 : |
|
|
timeout.tv_sec=timewait/1000000; |
| 692 : |
|
|
timeout.tv_usec=timewait%1000000; |
| 693 : |
|
|
(void)select(0,0,0,0,&timeout); |
| 694 : |
|
|
} |
| 695 : |
|
|
i++; |
| 696 : |
|
|
printf("\b\b\b\b"); |
| 697 : |
|
|
fflush(stdout); |
| 698 : |
|
|
} |
| 699 : |
|
|
c = getkey(stdin); |
| 700 : |
|
|
printf("%02x,",(int)c); |
| 701 : |
|
|
fflush(stdout); |
| 702 : |
|
|
} while(c != 0x1B); |
| 703 : |
|
|
|
| 704 : |
|
|
deprep_terminal(); |
| 705 : |
|
|
puts(""); |
| 706 : |
|
|
} |
| 707 : |
|
|
#endif |
| 708 : |
|
|
#endif /* MSDOS */ |
| 709 : |
|
|
|