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- /* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.01/RCS/ed.init.c,v 3.23 1991/12/19 22:34:14 christos Exp $ */
- /*
- * ed.init.c: Editor initializations
- */
- /*-
- * Copyright (c) 1980, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTS_ION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include "sh.h"
-
- RCSID("$Id: ed.init.c,v 3.23 1991/12/19 22:34:14 christos Exp $")
-
- #include "ed.h"
- #include "ed.term.h"
- #include "tc.h"
- #include "ed.defns.h"
-
- /* ed.init.c -- init routines for the line editor */
- /* #define DEBUG_TTY */
-
- int Tty_raw_mode = 0; /* Last tty change was to raw mode */
- int MacroLvl = -1; /* pointer to current macro nesting level; */
- /* (-1 == none) */
- static int Tty_quote_mode = 0; /* Last tty change was to quote mode */
- static unsigned char vdisable; /* The value of _POSIX_VDISABLE from
- * pathconf(2) */
-
- int Tty_eight_bit = -1; /* does the tty handle eight bits */
-
- extern bool GotTermCaps;
-
- static ttydata_t extty, edtty, tstty;
- #define qutty tstty
-
- extern int insource;
- #define SHTTY (insource ? OLDSTD : SHIN)
-
- static unsigned char ttychars[NN_IO][C_NCC] = {
- {
- CINTR, CQUIT, CERASE, CKILL,
- CEOF, CEOL, CEOL2, CSWTCH,
- CDSWTCH, CERASE2, CSTART, CSTOP,
- CWERASE, CSUSP, CDSUSP, CREPRINT,
- CDISCARD, CLNEXT, CSTATUS, CPAGE,
- CPGOFF, CKILL2, CBRK, CMIN,
- CTIME
- },
- {
- CINTR, CQUIT, CERASE, CKILL,
- _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
- _POSIX_VDISABLE, CERASE2, CSTART, CSTOP,
- _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
- CDISCARD, _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE,
- _POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 1,
- 0
- },
- {
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0
- }
- };
-
- #ifdef SIG_WINDOW
- void
- check_window_size(force)
- int force;
- {
- #ifdef BSDSIGS
- sigmask_t omask;
- #endif /* BSDSIGS */
- int lins, cols;
-
- /* don't want to confuse things here */
- #ifdef BSDSIGS
- omask = sigblock(sigmask(SIG_WINDOW)) & ~sigmask(SIG_WINDOW);
- #else /* BSDSIGS */
- (void) sighold(SIG_WINDOW);
- #endif /* BSDSIGS */
- /*
- * From: bret@shark.agps.lanl.gov (Bret Thaeler) Avoid sunview bug, where a
- * partially hidden window gets a SIG_WINDOW every time the text is
- * scrolled
- */
- if (GetSize(&lins, &cols) || force) {
- if (GettingInput) {
- ClearLines();
- ClearDisp();
- MoveToLine(0);
- MoveToChar(0);
- ChangeSize(lins, cols);
- Refresh();
- }
- else
- ChangeSize(lins, cols);
- }
- #ifdef BSDSIGS
- (void) sigsetmask(omask); /* can change it again */
- #else /* BSDSIGS */
- (void) sigrelse(SIG_WINDOW);
- #endif /* BSDSIGS */
- }
-
- sigret_t
- /*ARGSUSED*/
- window_change(snum)
- int snum;
- {
- #ifdef UNRELSIGS
- /* If we were called as a signal handler, restore it. */
- if (snum > 0)
- sigset(snum, window_change);
- #endif /* UNRELSIGS */
- check_window_size(0);
- #ifndef SIGVOID
- return (snum);
- #endif
- }
-
- #endif /* SIG_WINDOW */
-
- void
- ed_set_tty_eight_bit()
- {
- if (tty_getty(SHTTY, &extty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("ed_set_tty_eight_bit: tty_getty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return;
- }
- Tty_eight_bit = tty_geteightbit(&extty);
- }
-
-
- int
- ed_Setup(rst)
- int rst;
- {
- static int havesetup = 0;
-
- if (havesetup) /* if we have never been called */
- return(0);
-
- #if defined(POSIX) && defined(_PC_VDISABLE) && !defined(BSD4_4)
- {
- long pcret;
-
- if ((pcret = fpathconf(SHTTY, _PC_VDISABLE)) == -1L)
- vdisable = _POSIX_VDISABLE;
- else
- vdisable = pcret;
- if (vdisable != _POSIX_VDISABLE && rst != 0)
- for (rst = 0; rst < C_NCC - 2; rst++) {
- if (ttychars[ED_IO][rst] == _POSIX_VDISABLE)
- ttychars[ED_IO][rst] = vdisable;
- if (ttychars[EX_IO][rst] == _POSIX_VDISABLE)
- ttychars[EX_IO][rst] = vdisable;
- }
- }
- #else /* ! POSIX || !_PC_VDISABLE && !defined(BSD4_4) */
- vdisable = _POSIX_VDISABLE;
- #endif /* POSIX && _PC_VDISABLE */
-
- inputmode = MODE_INSERT; /* start out in insert mode */
- ed_InitMaps();
- Hist_num = 0;
- Expand = 0;
-
- if (tty_getty(SHTTY, &extty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("ed_Setup: tty_getty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return(-1);
- }
-
- tstty = edtty = extty;
-
- T_Speed = tty_getspeed(&extty);
- T_Tabs = tty_gettabs(&extty);
- Tty_eight_bit = tty_geteightbit(&extty);
-
- #if defined(POSIX) || defined(TERMIO)
- extty.d_t.c_iflag &= ~ttylist[EX_IO][M_INPUT].t_clrmask;
- extty.d_t.c_iflag |= ttylist[EX_IO][M_INPUT].t_setmask;
-
- extty.d_t.c_oflag &= ~ttylist[EX_IO][M_OUTPUT].t_clrmask;
- extty.d_t.c_oflag |= ttylist[EX_IO][M_OUTPUT].t_setmask;
-
- extty.d_t.c_cflag &= ~ttylist[EX_IO][M_CONTROL].t_clrmask;
- extty.d_t.c_cflag |= ttylist[EX_IO][M_CONTROL].t_setmask;
-
- extty.d_t.c_lflag &= ~ttylist[EX_IO][M_LINED].t_clrmask;
- extty.d_t.c_lflag |= ttylist[EX_IO][M_LINED].t_setmask;
-
- # ifdef IRIX3_3
- extty.d_t.c_line = NTTYDISC;
- # endif /* IRIX3_3 */
-
- #else /* GSTTY */ /* V7, Berkeley style tty */
-
- if (T_Tabs) { /* order of &= and |= is important to XTABS */
- extty.d_t.sg_flags &= ~(ttylist[EX_IO][M_CONTROL].t_clrmask|XTABS);
- extty.d_t.sg_flags |= ttylist[EX_IO][M_CONTROL].t_setmask;
- }
- else {
- extty.d_t.sg_flags &= ~ttylist[EX_IO][M_CONTROL].t_clrmask;
- extty.d_t.sg_flags |= (ttylist[EX_IO][M_CONTROL].t_setmask|XTABS);
- }
-
- extty.d_lb &= ~ttylist[EX_IO][M_LOCAL].t_clrmask;
- extty.d_lb |= ttylist[EX_IO][M_LOCAL].t_setmask;
-
- #endif /* GSTTY */
- /*
- * Reset the tty chars to reasonable defaults
- * If they are disabled, then enable them.
- */
- if (rst) {
- if (tty_cooked_mode(&tstty)) {
- tty_getchar(&tstty, ttychars[TS_IO]);
- /*
- * Don't affect CMIN and CTIME
- */
- for (rst = 0; rst < C_NCC - 2; rst++) {
- if (ttychars[TS_IO][rst] != vdisable &&
- ttychars[EX_IO][rst] != vdisable)
- ttychars[EX_IO][rst] = ttychars[TS_IO][rst];
- if (ttychars[TS_IO][rst] != vdisable &&
- ttychars[ED_IO][rst] != vdisable)
- ttychars[ED_IO][rst] = ttychars[TS_IO][rst];
- }
- }
- tty_setchar(&extty, ttychars[EX_IO]);
- if (tty_setty(SHTTY, &extty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("ed_Setup: tty_setty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return(-1);
- }
- }
- else
- tty_setchar(&extty, ttychars[EX_IO]);
-
- # ifdef SIG_WINDOW
- (void) sigset(SIG_WINDOW, window_change); /* for window systems */
- # endif
- havesetup = 1;
- return(0);
- }
-
- void
- ed_Init()
- {
- ResetInLine(); /* reset the input pointers */
- GettingInput = 0; /* just in case */
- LastKill = KillBuf; /* no kill buffer */
-
- #ifdef DEBUG_EDIT
- CheckMaps(); /* do a little error checking on key maps */
- #endif
-
- if (ed_Setup(0) == -1)
- return;
-
- /*
- * if we have been called before but GotTermCaps isn't set, our TERM has
- * changed, so get new termcaps and try again
- */
-
- if (!GotTermCaps)
- GetTermCaps(); /* does the obvious, but gets term type each
- * time */
-
- #if defined(TERMIO) || defined(POSIX)
- edtty.d_t.c_iflag &= ~ttylist[ED_IO][M_INPUT].t_clrmask;
- edtty.d_t.c_iflag |= ttylist[ED_IO][M_INPUT].t_setmask;
-
- edtty.d_t.c_oflag &= ~ttylist[ED_IO][M_OUTPUT].t_clrmask;
- edtty.d_t.c_oflag |= ttylist[ED_IO][M_OUTPUT].t_setmask;
-
- edtty.d_t.c_cflag &= ~ttylist[ED_IO][M_CONTROL].t_clrmask;
- edtty.d_t.c_cflag |= ttylist[ED_IO][M_CONTROL].t_setmask;
-
- edtty.d_t.c_lflag &= ~ttylist[ED_IO][M_LINED].t_clrmask;
- edtty.d_t.c_lflag |= ttylist[ED_IO][M_LINED].t_setmask;
-
-
- # ifdef IRIX3_3
- edtty.d_t.c_line = NTTYDISC;
- # endif /* IRIX3_3 */
-
- #else /* GSTTY */
-
- if (T_Tabs) { /* order of &= and |= is important to XTABS */
- edtty.d_t.sg_flags &= ~(ttylist[ED_IO][M_CONTROL].t_clrmask | XTABS);
- edtty.d_t.sg_flags |= ttylist[ED_IO][M_CONTROL].t_setmask;
- }
- else {
- edtty.d_t.sg_flags &= ~ttylist[ED_IO][M_CONTROL].t_clrmask;
- edtty.d_t.sg_flags |= (ttylist[ED_IO][M_CONTROL].t_setmask | XTABS);
- }
-
- edtty.d_lb &= ~ttylist[ED_IO][M_LOCAL].t_clrmask;
- edtty.d_lb |= ttylist[ED_IO][M_LOCAL].t_setmask;
- #endif /* POSIX || TERMIO */
-
- tty_setchar(&edtty, ttychars[ED_IO]);
- }
-
- /*
- * Check and re-init the line. set the terminal into 1 char at a time mode.
- */
- int
- Rawmode()
- {
- if (Tty_raw_mode)
- return (0);
-
- #ifdef _IBMR2
- tty_setdisc(SHTTY, ED_IO);
- #endif /* _IBMR2 */
-
- if (tty_getty(SHTTY, &tstty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("Rawmode: tty_getty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return(-1);
- }
-
- /*
- * We always keep up with the eight bit setting and the speed of the
- * tty. But only we only believe changes that are made to cooked mode!
- */
- #if defined(POSIX) || defined(TERMIO)
- Tty_eight_bit = tty_geteightbit(&tstty);
- T_Speed = tty_getspeed(&tstty);
-
- # ifdef POSIX
- /*
- * Fix from: Steven (Steve) B. Green <xrsbg@charney.gsfc.nasa.gov>
- * Speed was not being set up correctly under POSIX.
- */
- if (tty_getspeed(&extty) != T_Speed || tty_getspeed(&edtty) != T_Speed) {
- (void) cfsetispeed(&extty.d_t, T_Speed);
- (void) cfsetospeed(&extty.d_t, T_Speed);
- (void) cfsetispeed(&edtty.d_t, T_Speed);
- (void) cfsetospeed(&edtty.d_t, T_Speed);
- }
- # endif /* POSIX */
- #else /* GSTTY */
-
- T_Speed = tty_getspeed(&tstty);
- Tty_eight_bit = tty_geteightbit(&tstty);
-
- if (extty.d_t.sg_ispeed != tstty.d_t.sg_ispeed) {
- extty.d_t.sg_ispeed = tstty.d_t.sg_ispeed;
- edtty.d_t.sg_ispeed = tstty.d_t.sg_ispeed;
- }
-
- if (extty.d_t.sg_ospeed != tstty.d_t.sg_ospeed) {
- extty.d_t.sg_ospeed = tstty.d_t.sg_ospeed;
- edtty.d_t.sg_ospeed = tstty.d_t.sg_ospeed;
- }
- #endif /* POSIX || TERMIO */
-
- if (tty_cooked_mode(&tstty)) {
- #if defined(POSIX) || defined(TERMIO)
- if (tstty.d_t.c_cflag != extty.d_t.c_cflag) {
- extty.d_t.c_cflag = tstty.d_t.c_cflag;
- extty.d_t.c_cflag &= ~ttylist[EX_IO][M_CONTROL].t_clrmask;
- extty.d_t.c_cflag |= ttylist[EX_IO][M_CONTROL].t_setmask;
-
- edtty.d_t.c_cflag = tstty.d_t.c_cflag;
- edtty.d_t.c_cflag &= ~ttylist[ED_IO][M_CONTROL].t_clrmask;
- edtty.d_t.c_cflag |= ttylist[ED_IO][M_CONTROL].t_setmask;
- }
-
- if ((tstty.d_t.c_lflag != extty.d_t.c_lflag) &&
- (tstty.d_t.c_lflag != edtty.d_t.c_lflag)) {
- extty.d_t.c_lflag = tstty.d_t.c_lflag;
- extty.d_t.c_lflag &= ~ttylist[EX_IO][M_LINED].t_clrmask;
- extty.d_t.c_lflag |= ttylist[EX_IO][M_LINED].t_setmask;
-
- edtty.d_t.c_lflag = tstty.d_t.c_lflag;
- edtty.d_t.c_lflag &= ~ttylist[ED_IO][M_LINED].t_clrmask;
- edtty.d_t.c_lflag |= ttylist[ED_IO][M_LINED].t_setmask;
- }
-
- if ((tstty.d_t.c_iflag != extty.d_t.c_iflag) &&
- (tstty.d_t.c_iflag != edtty.d_t.c_iflag)) {
- extty.d_t.c_iflag = tstty.d_t.c_iflag;
- extty.d_t.c_iflag &= ~ttylist[EX_IO][M_INPUT].t_clrmask;
- extty.d_t.c_iflag |= ttylist[EX_IO][M_INPUT].t_setmask;
-
- edtty.d_t.c_iflag = tstty.d_t.c_iflag;
- edtty.d_t.c_iflag &= ~ttylist[ED_IO][M_INPUT].t_clrmask;
- edtty.d_t.c_iflag |= ttylist[ED_IO][M_INPUT].t_setmask;
- }
-
- if ((tstty.d_t.c_oflag != extty.d_t.c_oflag) &&
- (tstty.d_t.c_oflag != edtty.d_t.c_oflag)) {
- extty.d_t.c_oflag = tstty.d_t.c_oflag;
- extty.d_t.c_oflag &= ~ttylist[EX_IO][M_OUTPUT].t_clrmask;
- extty.d_t.c_oflag |= ttylist[EX_IO][M_OUTPUT].t_setmask;
-
- edtty.d_t.c_oflag = tstty.d_t.c_oflag;
- edtty.d_t.c_oflag &= ~ttylist[ED_IO][M_OUTPUT].t_clrmask;
- edtty.d_t.c_oflag |= ttylist[ED_IO][M_OUTPUT].t_setmask;
- }
-
- if (tty_gettabs(&extty) == 0)
- T_Tabs = 0;
- else
- T_Tabs = CanWeTab();
-
- #else /* GSTTY */
-
- if (((tstty.d_t.sg_flags != extty.d_t.sg_flags) ||
- (tstty.d_lb != extty.d_lb)) &&
- ((tstty.d_t.sg_flags != edtty.d_t.sg_flags) ||
- (tstty.d_lb != edtty.d_lb))) {
-
- extty.d_t.sg_flags = tstty.d_t.sg_flags;
-
- /*
- * re-test for some things here (like maybe the user typed
- * "stty -tabs"
- */
- if (tty_gettabs(&extty) == 0)
- T_Tabs = 0;
- else
- T_Tabs = CanWeTab();
-
- extty.d_t.sg_flags &= ~ttylist[EX_IO][M_CONTROL].t_clrmask;
- extty.d_t.sg_flags |= ttylist[EX_IO][M_CONTROL].t_setmask;
-
- if (T_Tabs) /* order of &= and |= is important to XTABS */
- extty.d_t.sg_flags &= ~XTABS;
- else
- extty.d_t.sg_flags |= XTABS;
-
- extty.d_lb = tstty.d_lb;
- extty.d_lb &= ~ttylist[EX_IO][M_LOCAL].t_clrmask;
- extty.d_lb |= ttylist[EX_IO][M_LOCAL].t_setmask;
-
- edtty.d_t.sg_flags = extty.d_t.sg_flags;
- if (T_Tabs) { /* order of &= and |= is important to XTABS */
- edtty.d_t.sg_flags &=
- ~(ttylist[ED_IO][M_CONTROL].t_clrmask|XTABS);
- edtty.d_t.sg_flags |= ttylist[ED_IO][M_CONTROL].t_setmask;
- }
- else {
- edtty.d_t.sg_flags &= ~ttylist[ED_IO][M_CONTROL].t_clrmask;
- edtty.d_t.sg_flags |=
- (ttylist[ED_IO][M_CONTROL].t_setmask|XTABS);
- }
-
- edtty.d_lb = tstty.d_lb;
- edtty.d_lb &= ~ttylist[ED_IO][M_LOCAL].t_clrmask;
- edtty.d_lb |= ttylist[ED_IO][M_LOCAL].t_setmask;
- }
- # endif /* TERMIO || POSIX */
- {
- extern int didsetty;
- int i;
-
- tty_getchar(&tstty, ttychars[TS_IO]);
- /*
- * Check if the user made any changes.
- * If he did, then propagate the changes to the
- * edit and execute data structures.
- */
- for (i = 0; i < C_NCC; i++)
- if (ttychars[TS_IO][i] != ttychars[EX_IO][i])
- break;
-
- if (i != C_NCC || didsetty) {
- didsetty = 0;
- /*
- * Propagate changes only to the unprotected chars
- * that have been modified just now.
- */
- for (i = 0; i < C_NCC; i++) {
- if (!((ttylist[ED_IO][M_CHAR].t_setmask & C_SH(i))) &&
- (ttychars[TS_IO][i] != ttychars[EX_IO][i]))
- ttychars[ED_IO][i] = ttychars[TS_IO][i];
- if (ttylist[ED_IO][M_CHAR].t_clrmask & C_SH(i))
- ttychars[ED_IO][i] = vdisable;
- }
- tty_setchar(&edtty, ttychars[ED_IO]);
-
- for (i = 0; i < C_NCC; i++) {
- if (!((ttylist[EX_IO][M_CHAR].t_setmask & C_SH(i))) &&
- (ttychars[TS_IO][i] != ttychars[EX_IO][i]))
- ttychars[EX_IO][i] = ttychars[TS_IO][i];
- if (ttylist[EX_IO][M_CHAR].t_clrmask & C_SH(i))
- ttychars[EX_IO][i] = vdisable;
- }
- tty_setchar(&extty, ttychars[EX_IO]);
- }
-
- }
- }
- if (tty_setty(SHTTY, &edtty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("Rawmode: tty_setty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return -1;
- }
- Tty_raw_mode = 1;
- flush(); /* flush any buffered output */
- return (0);
- }
-
- int
- Cookedmode()
- { /* set tty in normal setup */
- sigret_t(*orig_intr) ();
-
- #ifdef _IBMR2
- tty_setdisc(SHTTY, EX_IO);
- #endif /* _IBMR2 */
-
- if (!Tty_raw_mode)
- return (0);
-
- /* hold this for reseting tty */
- #ifdef BSDSIGS
- orig_intr = (sigret_t (*)()) signal(SIGINT, SIG_IGN);
- #else
- orig_intr = (sigret_t (*)()) sigset(SIGINT, SIG_IGN);
- #endif /* BSDSIGS */
- if (tty_setty(SHTTY, &extty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("Cookedmode: tty_setty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return -1;
- }
- Tty_raw_mode = 0;
- #ifdef BSDSIGS
- (void) signal(SIGINT, orig_intr); /* take these again */
- #else
- (void) sigset(SIGINT, orig_intr); /* take these again */
- #endif /* BSDSIGS */
- return (0);
- }
-
- void
- ResetInLine()
- {
- Cursor = InputBuf; /* reset cursor */
- LastChar = InputBuf;
- InputLim = &InputBuf[INBUFSIZE - 2];
- Mark = InputBuf;
- MetaNext = 0;
- CurrentKeyMap = CcKeyMap;
- AltKeyMap = 0;
- Hist_num = 0;
- DoingArg = 0;
- Argument = 1;
- #ifdef notdef
- LastKill = KillBuf; /* no kill buffer */
- #endif
- LastCmd = F_UNASSIGNED; /* previous command executed */
- MacroLvl = -1; /* no currently active macros */
- }
-
- static Char *Input_Line = NULL;
- int
- Load_input_line()
- {
- long chrs = 0;
-
- if (Input_Line)
- xfree((ptr_t) Input_Line);
- Input_Line = NULL;
-
- if (Tty_raw_mode)
- return 0;
-
- #ifdef FIONREAD
- (void) ioctl(SHIN, FIONREAD, &chrs);
- if (chrs > 0) {
- char buf[BUFSIZE];
-
- chrs = read(SHIN, buf, (size_t) min(chrs, BUFSIZE - 1));
- if (chrs > 0) {
- buf[chrs] = '\0';
- Input_Line = Strsave(str2short(buf));
- PushMacro(Input_Line);
- }
- }
- #endif /* FIONREAD */
- return chrs > 0;
- }
-
- /*
- * Bugfix (in Swedish) by:
- * Johan Widen
- * SICS, PO Box 1263, S-163 13 SPANGA, SWEDEN
- * {mcvax,munnari,cernvax,diku,inria,prlb2,penet,ukc,unido}!enea!sics.se!jw
- * Internet: jw@sics.se
- *
- * (via Hans J Albertsson (thanks))
- */
- void
- QuoteModeOn()
- {
- if (MacroLvl >= 0)
- return;
-
- qutty = edtty;
-
- #if defined(TERMIO) || defined(POSIX)
- qutty.d_t.c_iflag &= ~ttylist[QU_IO][M_INPUT].t_clrmask;
- qutty.d_t.c_iflag |= ttylist[QU_IO][M_INPUT].t_setmask;
-
- qutty.d_t.c_oflag &= ~ttylist[QU_IO][M_OUTPUT].t_clrmask;
- qutty.d_t.c_oflag |= ttylist[QU_IO][M_OUTPUT].t_setmask;
-
- qutty.d_t.c_cflag &= ~ttylist[QU_IO][M_CONTROL].t_clrmask;
- qutty.d_t.c_cflag |= ttylist[QU_IO][M_CONTROL].t_setmask;
-
- qutty.d_t.c_lflag &= ~ttylist[QU_IO][M_LINED].t_clrmask;
- qutty.d_t.c_lflag |= ttylist[QU_IO][M_LINED].t_setmask;
- #else /* GSTTY */
- qutty.d_t.sg_flags &= ~ttylist[QU_IO][M_CONTROL].t_clrmask;
- qutty.d_t.sg_flags |= ttylist[QU_IO][M_CONTROL].t_setmask;
- qutty.d_lb &= ~ttylist[QU_IO][M_LOCAL].t_clrmask;
- qutty.d_lb |= ttylist[QU_IO][M_LOCAL].t_setmask;
-
- #endif /* TERMIO || POSIX */
- if (tty_setty(SHTTY, &qutty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("QuoteModeOn: tty_setty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return;
- }
- Tty_quote_mode = 1;
- return;
- }
-
- void
- QuoteModeOff()
- {
- if (!Tty_quote_mode)
- return;
- Tty_quote_mode = 0;
- if (tty_setty(SHTTY, &edtty) == -1) {
- #ifdef DEBUG_TTY
- xprintf("QuoteModeOff: tty_setty: %s\n", strerror(errno));
- #endif /* DEBUG_TTY */
- return;
- }
- return;
- }
-