1/* -*- c-file-style: "ruby" -*- */ 2/* 3 * console IO module 4 */ 5#include "ruby.h" 6#ifdef HAVE_RUBY_IO_H 7#include "ruby/io.h" 8#else 9#include "rubyio.h" 10#endif 11 12#ifndef HAVE_RB_IO_T 13typedef OpenFile rb_io_t; 14#endif 15 16#ifdef HAVE_UNISTD_H 17#include <unistd.h> 18#endif 19#ifdef HAVE_FCNTL_H 20#include <fcntl.h> 21#endif 22#ifdef HAVE_SYS_IOCTL_H 23#include <sys/ioctl.h> 24#endif 25 26#if defined HAVE_TERMIOS_H 27# include <termios.h> 28typedef struct termios conmode; 29 30static int 31setattr(int fd, conmode *t) 32{ 33 while (tcsetattr(fd, TCSAFLUSH, t)) { 34 if (errno != EINTR) return 0; 35 } 36 return 1; 37} 38# define getattr(fd, t) (tcgetattr(fd, t) == 0) 39#elif defined HAVE_TERMIO_H 40# include <termio.h> 41typedef struct termio conmode; 42# define setattr(fd, t) (ioctl(fd, TCSETAF, t) == 0) 43# define getattr(fd, t) (ioctl(fd, TCGETA, t) == 0) 44#elif defined HAVE_SGTTY_H 45# include <sgtty.h> 46typedef struct sgttyb conmode; 47# ifdef HAVE_STTY 48# define setattr(fd, t) (stty(fd, t) == 0) 49# else 50# define setattr(fd, t) (ioctl((fd), TIOCSETP, (t)) == 0) 51# endif 52# ifdef HAVE_GTTY 53# define getattr(fd, t) (gtty(fd, t) == 0) 54# else 55# define getattr(fd, t) (ioctl((fd), TIOCGETP, (t)) == 0) 56# endif 57#elif defined _WIN32 58#include <winioctl.h> 59typedef DWORD conmode; 60 61#ifdef HAVE_RB_W32_MAP_ERRNO 62#define LAST_ERROR rb_w32_map_errno(GetLastError()) 63#else 64#define LAST_ERROR EBADF 65#endif 66#define SET_LAST_ERROR (errno = LAST_ERROR, 0) 67 68static int 69setattr(int fd, conmode *t) 70{ 71 int x = SetConsoleMode((HANDLE)rb_w32_get_osfhandle(fd), *t); 72 if (!x) errno = LAST_ERROR; 73 return x; 74} 75 76static int 77getattr(int fd, conmode *t) 78{ 79 int x = GetConsoleMode((HANDLE)rb_w32_get_osfhandle(fd), t); 80 if (!x) errno = LAST_ERROR; 81 return x; 82} 83#endif 84#ifndef SET_LAST_ERROR 85#define SET_LAST_ERROR (0) 86#endif 87 88#ifndef InitVM 89#define InitVM(ext) {void InitVM_##ext(void);InitVM_##ext();} 90#endif 91 92static ID id_getc, id_console; 93 94typedef struct { 95 int vmin; 96 int vtime; 97} rawmode_arg_t; 98 99static rawmode_arg_t * 100rawmode_opt(int argc, VALUE *argv, rawmode_arg_t *opts) 101{ 102 rawmode_arg_t *optp = NULL; 103 VALUE vopts; 104 rb_scan_args(argc, argv, "0:", &vopts); 105 if (!NIL_P(vopts)) { 106 VALUE vmin = rb_hash_aref(vopts, ID2SYM(rb_intern("min"))); 107 VALUE vtime = rb_hash_aref(vopts, ID2SYM(rb_intern("time"))); 108 /* default values by `stty raw` */ 109 opts->vmin = 1; 110 opts->vtime = 0; 111 if (!NIL_P(vmin)) { 112 opts->vmin = NUM2INT(vmin); 113 optp = opts; 114 } 115 if (!NIL_P(vtime)) { 116 VALUE v10 = INT2FIX(10); 117 vtime = rb_funcall3(vtime, '*', 1, &v10); 118 opts->vtime = NUM2INT(vtime); 119 optp = opts; 120 } 121 } 122 return optp; 123} 124 125static void 126set_rawmode(conmode *t, void *arg) 127{ 128#ifdef HAVE_CFMAKERAW 129 cfmakeraw(t); 130 t->c_lflag &= ~(ECHOE|ECHOK); 131#elif defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 132 t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); 133 t->c_oflag &= ~OPOST; 134 t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN); 135 t->c_cflag &= ~(CSIZE|PARENB); 136 t->c_cflag |= CS8; 137#elif defined HAVE_SGTTY_H 138 t->sg_flags &= ~ECHO; 139 t->sg_flags |= RAW; 140#elif defined _WIN32 141 *t = 0; 142#endif 143#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 144 if (arg) { 145 const rawmode_arg_t *r = arg; 146 if (r->vmin >= 0) t->c_cc[VMIN] = r->vmin; 147 if (r->vtime >= 0) t->c_cc[VTIME] = r->vtime; 148 } 149#endif 150} 151 152static void 153set_cookedmode(conmode *t, void *arg) 154{ 155#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 156 t->c_iflag |= (BRKINT|ISTRIP|ICRNL|IXON); 157 t->c_oflag |= OPOST; 158 t->c_lflag |= (ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN); 159#elif defined HAVE_SGTTY_H 160 t->sg_flags |= ECHO; 161 t->sg_flags &= ~RAW; 162#elif defined _WIN32 163 *t |= ENABLE_ECHO_INPUT|ENABLE_LINE_INPUT|ENABLE_PROCESSED_INPUT; 164#endif 165} 166 167static void 168set_noecho(conmode *t, void *arg) 169{ 170#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 171 t->c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL); 172#elif defined HAVE_SGTTY_H 173 t->sg_flags &= ~ECHO; 174#elif defined _WIN32 175 *t &= ~ENABLE_ECHO_INPUT; 176#endif 177} 178 179static void 180set_echo(conmode *t, void *arg) 181{ 182#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 183 t->c_lflag |= (ECHO | ECHOE | ECHOK | ECHONL); 184#elif defined HAVE_SGTTY_H 185 t->sg_flags |= ECHO; 186#elif defined _WIN32 187 *t |= ENABLE_ECHO_INPUT; 188#endif 189} 190 191static int 192echo_p(conmode *t) 193{ 194#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 195 return (t->c_lflag & (ECHO | ECHONL)) != 0; 196#elif defined HAVE_SGTTY_H 197 return (t->sg_flags & ECHO) != 0; 198#elif defined _WIN32 199 return (*t & ENABLE_ECHO_INPUT) != 0; 200#endif 201} 202 203static int 204set_ttymode(int fd, conmode *t, void (*setter)(conmode *, void *), void *arg) 205{ 206 conmode r; 207 if (!getattr(fd, t)) return 0; 208 r = *t; 209 setter(&r, arg); 210 return setattr(fd, &r); 211} 212 213#ifdef GetReadFile 214#define GetReadFD(fptr) fileno(GetReadFile(fptr)) 215#else 216#define GetReadFD(fptr) ((fptr)->fd) 217#endif 218 219#ifdef GetWriteFile 220#define GetWriteFD(fptr) fileno(GetWriteFile(fptr)) 221#else 222static inline int 223get_write_fd(const rb_io_t *fptr) 224{ 225 VALUE wio = fptr->tied_io_for_writing; 226 rb_io_t *ofptr; 227 if (!wio) return fptr->fd; 228 GetOpenFile(wio, ofptr); 229 return ofptr->fd; 230} 231#define GetWriteFD(fptr) get_write_fd(fptr) 232#endif 233 234#define FD_PER_IO 2 235 236static VALUE 237ttymode(VALUE io, VALUE (*func)(VALUE), void (*setter)(conmode *, void *), void *arg) 238{ 239 rb_io_t *fptr; 240 int status = -1; 241 int error = 0; 242 int fd[FD_PER_IO]; 243 conmode t[FD_PER_IO]; 244 VALUE result = Qnil; 245 246 GetOpenFile(io, fptr); 247 fd[0] = GetReadFD(fptr); 248 if (fd[0] != -1) { 249 if (set_ttymode(fd[0], t+0, setter, arg)) { 250 status = 0; 251 } 252 else { 253 error = errno; 254 fd[0] = -1; 255 } 256 } 257 fd[1] = GetWriteFD(fptr); 258 if (fd[1] != -1 && fd[1] != fd[0]) { 259 if (set_ttymode(fd[1], t+1, setter, arg)) { 260 status = 0; 261 } 262 else { 263 error = errno; 264 fd[1] = -1; 265 } 266 } 267 if (status == 0) { 268 result = rb_protect(func, io, &status); 269 } 270 GetOpenFile(io, fptr); 271 if (fd[0] != -1 && fd[0] == GetReadFD(fptr)) { 272 if (!setattr(fd[0], t+0)) { 273 error = errno; 274 status = -1; 275 } 276 } 277 if (fd[1] != -1 && fd[1] != fd[0] && fd[1] == GetWriteFD(fptr)) { 278 if (!setattr(fd[1], t+1)) { 279 error = errno; 280 status = -1; 281 } 282 } 283 if (status) { 284 if (status == -1) { 285 errno = error; 286 rb_sys_fail(0); 287 } 288 rb_jump_tag(status); 289 } 290 return result; 291} 292 293/* 294 * call-seq: 295 * io.raw(min: nil, time: nil) {|io| } 296 * 297 * Yields +self+ within raw mode. 298 * 299 * STDIN.raw(&:gets) 300 * 301 * will read and return a line without echo back and line editing. 302 * 303 * You must require 'io/console' to use this method. 304 */ 305static VALUE 306console_raw(int argc, VALUE *argv, VALUE io) 307{ 308 rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts); 309 return ttymode(io, rb_yield, set_rawmode, optp); 310} 311 312/* 313 * call-seq: 314 * io.raw!(min: nil, time: nil) 315 * 316 * Enables raw mode. 317 * 318 * If the terminal mode needs to be back, use io.raw { ... }. 319 * 320 * You must require 'io/console' to use this method. 321 */ 322static VALUE 323console_set_raw(int argc, VALUE *argv, VALUE io) 324{ 325 conmode t; 326 rb_io_t *fptr; 327 int fd; 328 rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts); 329 330 GetOpenFile(io, fptr); 331 fd = GetReadFD(fptr); 332 if (!getattr(fd, &t)) rb_sys_fail(0); 333 set_rawmode(&t, optp); 334 if (!setattr(fd, &t)) rb_sys_fail(0); 335 return io; 336} 337 338/* 339 * call-seq: 340 * io.cooked {|io| } 341 * 342 * Yields +self+ within cooked mode. 343 * 344 * STDIN.cooked(&:gets) 345 * 346 * will read and return a line with echo back and line editing. 347 * 348 * You must require 'io/console' to use this method. 349 */ 350static VALUE 351console_cooked(VALUE io) 352{ 353 return ttymode(io, rb_yield, set_cookedmode, NULL); 354} 355 356/* 357 * call-seq: 358 * io.cooked! 359 * 360 * Enables cooked mode. 361 * 362 * If the terminal mode needs to be back, use io.cooked { ... }. 363 * 364 * You must require 'io/console' to use this method. 365 */ 366static VALUE 367console_set_cooked(VALUE io) 368{ 369 conmode t; 370 rb_io_t *fptr; 371 int fd; 372 373 GetOpenFile(io, fptr); 374 fd = GetReadFD(fptr); 375 if (!getattr(fd, &t)) rb_sys_fail(0); 376 set_cookedmode(&t, NULL); 377 if (!setattr(fd, &t)) rb_sys_fail(0); 378 return io; 379} 380 381static VALUE 382getc_call(VALUE io) 383{ 384 return rb_funcall2(io, id_getc, 0, 0); 385} 386 387/* 388 * call-seq: 389 * io.getch(min: nil, time: nil) -> char 390 * 391 * Reads and returns a character in raw mode. 392 * 393 * You must require 'io/console' to use this method. 394 */ 395static VALUE 396console_getch(int argc, VALUE *argv, VALUE io) 397{ 398 rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts); 399 return ttymode(io, getc_call, set_rawmode, optp); 400} 401 402/* 403 * call-seq: 404 * io.noecho {|io| } 405 * 406 * Yields +self+ with disabling echo back. 407 * 408 * STDIN.noecho(&:gets) 409 * 410 * will read and return a line without echo back. 411 * 412 * You must require 'io/console' to use this method. 413 */ 414static VALUE 415console_noecho(VALUE io) 416{ 417 return ttymode(io, rb_yield, set_noecho, NULL); 418} 419 420/* 421 * call-seq: 422 * io.echo = flag 423 * 424 * Enables/disables echo back. 425 * On some platforms, all combinations of this flags and raw/cooked 426 * mode may not be valid. 427 * 428 * You must require 'io/console' to use this method. 429 */ 430static VALUE 431console_set_echo(VALUE io, VALUE f) 432{ 433 conmode t; 434 rb_io_t *fptr; 435 int fd; 436 437 GetOpenFile(io, fptr); 438 fd = GetReadFD(fptr); 439 if (!getattr(fd, &t)) rb_sys_fail(0); 440 if (RTEST(f)) 441 set_echo(&t, NULL); 442 else 443 set_noecho(&t, NULL); 444 if (!setattr(fd, &t)) rb_sys_fail(0); 445 return io; 446} 447 448/* 449 * call-seq: 450 * io.echo? -> true or false 451 * 452 * Returns +true+ if echo back is enabled. 453 * 454 * You must require 'io/console' to use this method. 455 */ 456static VALUE 457console_echo_p(VALUE io) 458{ 459 conmode t; 460 rb_io_t *fptr; 461 int fd; 462 463 GetOpenFile(io, fptr); 464 fd = GetReadFD(fptr); 465 if (!getattr(fd, &t)) rb_sys_fail(0); 466 return echo_p(&t) ? Qtrue : Qfalse; 467} 468 469#if defined TIOCGWINSZ 470typedef struct winsize rb_console_size_t; 471#define getwinsize(fd, buf) (ioctl((fd), TIOCGWINSZ, (buf)) == 0) 472#define setwinsize(fd, buf) (ioctl((fd), TIOCSWINSZ, (buf)) == 0) 473#define winsize_row(buf) (buf)->ws_row 474#define winsize_col(buf) (buf)->ws_col 475#elif defined _WIN32 476typedef CONSOLE_SCREEN_BUFFER_INFO rb_console_size_t; 477#define getwinsize(fd, buf) ( \ 478 GetConsoleScreenBufferInfo((HANDLE)rb_w32_get_osfhandle(fd), (buf)) || \ 479 SET_LAST_ERROR) 480#define winsize_row(buf) ((buf)->srWindow.Bottom - (buf)->srWindow.Top + 1) 481#define winsize_col(buf) (buf)->dwSize.X 482#endif 483 484#if defined TIOCGWINSZ || defined _WIN32 485#define USE_CONSOLE_GETSIZE 1 486#endif 487 488#ifdef USE_CONSOLE_GETSIZE 489/* 490 * call-seq: 491 * io.winsize -> [rows, columns] 492 * 493 * Returns console size. 494 * 495 * You must require 'io/console' to use this method. 496 */ 497static VALUE 498console_winsize(VALUE io) 499{ 500 rb_io_t *fptr; 501 int fd; 502 rb_console_size_t ws; 503 504 GetOpenFile(io, fptr); 505 fd = GetWriteFD(fptr); 506 if (!getwinsize(fd, &ws)) rb_sys_fail(0); 507 return rb_assoc_new(INT2NUM(winsize_row(&ws)), INT2NUM(winsize_col(&ws))); 508} 509 510/* 511 * call-seq: 512 * io.winsize = [rows, columns] 513 * 514 * Tries to set console size. The effect depends on the platform and 515 * the running environment. 516 * 517 * You must require 'io/console' to use this method. 518 */ 519static VALUE 520console_set_winsize(VALUE io, VALUE size) 521{ 522 rb_io_t *fptr; 523 rb_console_size_t ws; 524#if defined _WIN32 525 HANDLE wh; 526 int newrow, newcol; 527#endif 528 VALUE row, col, xpixel, ypixel; 529#if defined TIOCSWINSZ 530 int fd; 531#endif 532 533 GetOpenFile(io, fptr); 534 size = rb_Array(size); 535 rb_scan_args((int)RARRAY_LEN(size), RARRAY_PTR(size), "22", 536 &row, &col, &xpixel, &ypixel); 537#if defined TIOCSWINSZ 538 fd = GetWriteFD(fptr); 539 ws.ws_row = ws.ws_col = ws.ws_xpixel = ws.ws_ypixel = 0; 540#define SET(m) ws.ws_##m = NIL_P(m) ? 0 : (unsigned short)NUM2UINT(m) 541 SET(row); 542 SET(col); 543 SET(xpixel); 544 SET(ypixel); 545#undef SET 546 if (!setwinsize(fd, &ws)) rb_sys_fail(0); 547#elif defined _WIN32 548 wh = (HANDLE)rb_w32_get_osfhandle(GetReadFD(fptr)); 549 newrow = (SHORT)NUM2UINT(row); 550 newcol = (SHORT)NUM2UINT(col); 551 if (!getwinsize(GetReadFD(fptr), &ws)) { 552 rb_sys_fail("GetConsoleScreenBufferInfo"); 553 } 554 if ((ws.dwSize.X < newcol && (ws.dwSize.X = newcol, 1)) || 555 (ws.dwSize.Y < newrow && (ws.dwSize.Y = newrow, 1))) { 556 if (!(SetConsoleScreenBufferSize(wh, ws.dwSize) || SET_LAST_ERROR)) { 557 rb_sys_fail("SetConsoleScreenBufferInfo"); 558 } 559 } 560 ws.srWindow.Left = 0; 561 ws.srWindow.Top = 0; 562 ws.srWindow.Right = newcol; 563 ws.srWindow.Bottom = newrow; 564 if (!(SetConsoleWindowInfo(wh, FALSE, &ws.srWindow) || SET_LAST_ERROR)) { 565 rb_sys_fail("SetConsoleWindowInfo"); 566 } 567#endif 568 return io; 569} 570#endif 571 572/* 573 * call-seq: 574 * io.iflush 575 * 576 * Flushes input buffer in kernel. 577 * 578 * You must require 'io/console' to use this method. 579 */ 580static VALUE 581console_iflush(VALUE io) 582{ 583 rb_io_t *fptr; 584 int fd; 585 586 GetOpenFile(io, fptr); 587 fd = GetReadFD(fptr); 588#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 589 if (tcflush(fd, TCIFLUSH)) rb_sys_fail(0); 590#endif 591 return io; 592} 593 594/* 595 * call-seq: 596 * io.oflush 597 * 598 * Flushes output buffer in kernel. 599 * 600 * You must require 'io/console' to use this method. 601 */ 602static VALUE 603console_oflush(VALUE io) 604{ 605 rb_io_t *fptr; 606 int fd; 607 608 GetOpenFile(io, fptr); 609 fd = GetWriteFD(fptr); 610#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 611 if (tcflush(fd, TCOFLUSH)) rb_sys_fail(0); 612#endif 613 return io; 614} 615 616/* 617 * call-seq: 618 * io.ioflush 619 * 620 * Flushes input and output buffers in kernel. 621 * 622 * You must require 'io/console' to use this method. 623 */ 624static VALUE 625console_ioflush(VALUE io) 626{ 627 rb_io_t *fptr; 628#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 629 int fd1, fd2; 630#endif 631 632 GetOpenFile(io, fptr); 633#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H 634 fd1 = GetReadFD(fptr); 635 fd2 = GetWriteFD(fptr); 636 if (fd2 != -1 && fd1 != fd2) { 637 if (tcflush(fd1, TCIFLUSH)) rb_sys_fail(0); 638 if (tcflush(fd2, TCOFLUSH)) rb_sys_fail(0); 639 } 640 else { 641 if (tcflush(fd1, TCIOFLUSH)) rb_sys_fail(0); 642 } 643#endif 644 return io; 645} 646 647/* 648 * call-seq: 649 * IO.console -> #<File:/dev/tty> 650 * 651 * Returns an File instance opened console. 652 * 653 * You must require 'io/console' to use this method. 654 */ 655static VALUE 656console_dev(VALUE klass) 657{ 658 VALUE con = 0; 659 rb_io_t *fptr; 660 661 if (klass == rb_cIO) klass = rb_cFile; 662 if (rb_const_defined(klass, id_console)) { 663 con = rb_const_get(klass, id_console); 664 if (RB_TYPE_P(con, T_FILE)) { 665 if ((fptr = RFILE(con)->fptr) && GetReadFD(fptr) != -1) 666 return con; 667 } 668 rb_mod_remove_const(klass, ID2SYM(id_console)); 669 } 670 { 671 VALUE args[2]; 672#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H 673# define CONSOLE_DEVICE "/dev/tty" 674#elif defined _WIN32 675# define CONSOLE_DEVICE "con$" 676# define CONSOLE_DEVICE_FOR_READING "conin$" 677# define CONSOLE_DEVICE_FOR_WRITING "conout$" 678#endif 679#ifndef CONSOLE_DEVICE_FOR_READING 680# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE 681#endif 682#ifdef CONSOLE_DEVICE_FOR_WRITING 683 VALUE out; 684 rb_io_t *ofptr; 685#endif 686 int fd; 687 688#ifdef CONSOLE_DEVICE_FOR_WRITING 689 fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_RDWR, 0); 690 if (fd < 0) return Qnil; 691 rb_update_max_fd(fd); 692 args[1] = INT2FIX(O_WRONLY); 693 args[0] = INT2NUM(fd); 694 out = rb_class_new_instance(2, args, klass); 695#endif 696 fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0); 697 if (fd < 0) { 698#ifdef CONSOLE_DEVICE_FOR_WRITING 699 rb_io_close(out); 700#endif 701 return Qnil; 702 } 703 rb_update_max_fd(fd); 704 args[1] = INT2FIX(O_RDWR); 705 args[0] = INT2NUM(fd); 706 con = rb_class_new_instance(2, args, klass); 707 GetOpenFile(con, fptr); 708 fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE)); 709#ifdef CONSOLE_DEVICE_FOR_WRITING 710 GetOpenFile(out, ofptr); 711# ifdef HAVE_RB_IO_GET_WRITE_IO 712 ofptr->pathv = fptr->pathv; 713 fptr->tied_io_for_writing = out; 714# else 715 fptr->f2 = ofptr->f; 716 ofptr->f = 0; 717# endif 718 ofptr->mode |= FMODE_SYNC; 719#endif 720 fptr->mode |= FMODE_SYNC; 721 rb_const_set(klass, id_console, con); 722 } 723 return con; 724} 725 726static VALUE 727io_getch(int argc, VALUE *argv, VALUE io) 728{ 729 return rb_funcall2(io, rb_intern("getc"), argc, argv); 730} 731 732/* 733 * IO console methods 734 */ 735void 736Init_console(void) 737{ 738 id_getc = rb_intern("getc"); 739 id_console = rb_intern("console"); 740 InitVM(console); 741} 742 743void 744InitVM_console(void) 745{ 746 rb_define_method(rb_cIO, "raw", console_raw, -1); 747 rb_define_method(rb_cIO, "raw!", console_set_raw, -1); 748 rb_define_method(rb_cIO, "cooked", console_cooked, 0); 749 rb_define_method(rb_cIO, "cooked!", console_set_cooked, 0); 750 rb_define_method(rb_cIO, "getch", console_getch, -1); 751 rb_define_method(rb_cIO, "echo=", console_set_echo, 1); 752 rb_define_method(rb_cIO, "echo?", console_echo_p, 0); 753 rb_define_method(rb_cIO, "noecho", console_noecho, 0); 754 rb_define_method(rb_cIO, "winsize", console_winsize, 0); 755 rb_define_method(rb_cIO, "winsize=", console_set_winsize, 1); 756 rb_define_method(rb_cIO, "iflush", console_iflush, 0); 757 rb_define_method(rb_cIO, "oflush", console_oflush, 0); 758 rb_define_method(rb_cIO, "ioflush", console_ioflush, 0); 759 rb_define_singleton_method(rb_cIO, "console", console_dev, 0); 760 { 761 VALUE mReadable = rb_define_module_under(rb_cIO, "readable"); 762 rb_define_method(mReadable, "getch", io_getch, -1); 763 } 764} 765