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minix/lib/libedit/tty.c

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Termcap update, replacing elvis by nvi. Removing elvis, importing nvi, ctags, updating libedit. Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
2013-01-22 12:03:53 +01:00
/* $NetBSD: tty.c,v 1.42 2012/05/15 15:59:01 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Christos Zoulas of Cornell University.
*
* 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. 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 INTERRUPTION)
* 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 "config.h"
#if !defined(lint) && !defined(SCCSID)
#if 0
static char sccsid[] = "@(#)tty.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: tty.c,v 1.42 2012/05/15 15:59:01 christos Exp $");
#endif
#endif /* not lint && not SCCSID */
/*
* tty.c: tty interface stuff
*/
#include <assert.h>
#include <errno.h>
#include <unistd.h> /* for isatty */
#include <strings.h> /* for ffs */
#include "el.h"
#include "tty.h"
typedef struct ttymodes_t {
const char *m_name;
unsigned int m_value;
int m_type;
} ttymodes_t;
typedef struct ttymap_t {
Int nch, och; /* Internal and termio rep of chars */
el_action_t bind[3]; /* emacs, vi, and vi-cmd */
} ttymap_t;
private const ttyperm_t ttyperm = {
{
{"iflag:", ICRNL, (INLCR | IGNCR)},
{"oflag:", (OPOST | ONLCR), ONLRET},
{"cflag:", 0, 0},
{"lflag:", (ISIG | ICANON | ECHO | ECHOE | ECHOCTL | IEXTEN),
(NOFLSH | ECHONL | EXTPROC | FLUSHO)},
{"chars:", 0, 0},
},
{
{"iflag:", (INLCR | ICRNL), IGNCR},
{"oflag:", (OPOST | ONLCR), ONLRET},
{"cflag:", 0, 0},
{"lflag:", ISIG,
(NOFLSH | ICANON | ECHO | ECHOK | ECHONL | EXTPROC | IEXTEN | FLUSHO)},
{"chars:", (C_SH(C_MIN) | C_SH(C_TIME) | C_SH(C_SWTCH) | C_SH(C_DSWTCH) |
C_SH(C_SUSP) | C_SH(C_DSUSP) | C_SH(C_EOL) | C_SH(C_DISCARD) |
C_SH(C_PGOFF) | C_SH(C_PAGE) | C_SH(C_STATUS)), 0}
},
{
{"iflag:", 0, IXON | IXOFF | INLCR | ICRNL},
{"oflag:", 0, 0},
{"cflag:", 0, 0},
{"lflag:", 0, ISIG | IEXTEN},
{"chars:", 0, 0},
}
};
private const ttychar_t ttychar = {
{
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, CSUSP, _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
}
};
private const ttymap_t tty_map[] = {
#ifdef VERASE
{C_ERASE, VERASE,
{EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
#endif /* VERASE */
#ifdef VERASE2
{C_ERASE2, VERASE2,
{EM_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR}},
#endif /* VERASE2 */
#ifdef VKILL
{C_KILL, VKILL,
{EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
#endif /* VKILL */
#ifdef VKILL2
{C_KILL2, VKILL2,
{EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED}},
#endif /* VKILL2 */
#ifdef VEOF
{C_EOF, VEOF,
{EM_DELETE_OR_LIST, VI_LIST_OR_EOF, ED_UNASSIGNED}},
#endif /* VEOF */
#ifdef VWERASE
{C_WERASE, VWERASE,
{ED_DELETE_PREV_WORD, ED_DELETE_PREV_WORD, ED_PREV_WORD}},
#endif /* VWERASE */
#ifdef VREPRINT
{C_REPRINT, VREPRINT,
{ED_REDISPLAY, ED_INSERT, ED_REDISPLAY}},
#endif /* VREPRINT */
#ifdef VLNEXT
{C_LNEXT, VLNEXT,
{ED_QUOTED_INSERT, ED_QUOTED_INSERT, ED_UNASSIGNED}},
#endif /* VLNEXT */
{(Int)-1, (Int)-1,
{ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED}}
};
private const ttymodes_t ttymodes[] = {
#ifdef IGNBRK
{"ignbrk", IGNBRK, MD_INP},
#endif /* IGNBRK */
#ifdef BRKINT
{"brkint", BRKINT, MD_INP},
#endif /* BRKINT */
#ifdef IGNPAR
{"ignpar", IGNPAR, MD_INP},
#endif /* IGNPAR */
#ifdef PARMRK
{"parmrk", PARMRK, MD_INP},
#endif /* PARMRK */
#ifdef INPCK
{"inpck", INPCK, MD_INP},
#endif /* INPCK */
#ifdef ISTRIP
{"istrip", ISTRIP, MD_INP},
#endif /* ISTRIP */
#ifdef INLCR
{"inlcr", INLCR, MD_INP},
#endif /* INLCR */
#ifdef IGNCR
{"igncr", IGNCR, MD_INP},
#endif /* IGNCR */
#ifdef ICRNL
{"icrnl", ICRNL, MD_INP},
#endif /* ICRNL */
#ifdef IUCLC
{"iuclc", IUCLC, MD_INP},
#endif /* IUCLC */
#ifdef IXON
{"ixon", IXON, MD_INP},
#endif /* IXON */
#ifdef IXANY
{"ixany", IXANY, MD_INP},
#endif /* IXANY */
#ifdef IXOFF
{"ixoff", IXOFF, MD_INP},
#endif /* IXOFF */
#ifdef IMAXBEL
{"imaxbel", IMAXBEL, MD_INP},
#endif /* IMAXBEL */
#ifdef OPOST
{"opost", OPOST, MD_OUT},
#endif /* OPOST */
#ifdef OLCUC
{"olcuc", OLCUC, MD_OUT},
#endif /* OLCUC */
#ifdef ONLCR
{"onlcr", ONLCR, MD_OUT},
#endif /* ONLCR */
#ifdef OCRNL
{"ocrnl", OCRNL, MD_OUT},
#endif /* OCRNL */
#ifdef ONOCR
{"onocr", ONOCR, MD_OUT},
#endif /* ONOCR */
#ifdef ONOEOT
{"onoeot", ONOEOT, MD_OUT},
#endif /* ONOEOT */
#ifdef ONLRET
{"onlret", ONLRET, MD_OUT},
#endif /* ONLRET */
#ifdef OFILL
{"ofill", OFILL, MD_OUT},
#endif /* OFILL */
#ifdef OFDEL
{"ofdel", OFDEL, MD_OUT},
#endif /* OFDEL */
#ifdef NLDLY
{"nldly", NLDLY, MD_OUT},
#endif /* NLDLY */
#ifdef CRDLY
{"crdly", CRDLY, MD_OUT},
#endif /* CRDLY */
#ifdef TABDLY
{"tabdly", TABDLY, MD_OUT},
#endif /* TABDLY */
#ifdef XTABS
{"xtabs", XTABS, MD_OUT},
#endif /* XTABS */
#ifdef BSDLY
{"bsdly", BSDLY, MD_OUT},
#endif /* BSDLY */
#ifdef VTDLY
{"vtdly", VTDLY, MD_OUT},
#endif /* VTDLY */
#ifdef FFDLY
{"ffdly", FFDLY, MD_OUT},
#endif /* FFDLY */
#ifdef PAGEOUT
{"pageout", PAGEOUT, MD_OUT},
#endif /* PAGEOUT */
#ifdef WRAP
{"wrap", WRAP, MD_OUT},
#endif /* WRAP */
#ifdef CIGNORE
{"cignore", CIGNORE, MD_CTL},
#endif /* CBAUD */
#ifdef CBAUD
{"cbaud", CBAUD, MD_CTL},
#endif /* CBAUD */
#ifdef CSTOPB
{"cstopb", CSTOPB, MD_CTL},
#endif /* CSTOPB */
#ifdef CREAD
{"cread", CREAD, MD_CTL},
#endif /* CREAD */
#ifdef PARENB
{"parenb", PARENB, MD_CTL},
#endif /* PARENB */
#ifdef PARODD
{"parodd", PARODD, MD_CTL},
#endif /* PARODD */
#ifdef HUPCL
{"hupcl", HUPCL, MD_CTL},
#endif /* HUPCL */
#ifdef CLOCAL
{"clocal", CLOCAL, MD_CTL},
#endif /* CLOCAL */
#ifdef LOBLK
{"loblk", LOBLK, MD_CTL},
#endif /* LOBLK */
#ifdef CIBAUD
{"cibaud", CIBAUD, MD_CTL},
#endif /* CIBAUD */
#ifdef CRTSCTS
#ifdef CCTS_OFLOW
{"ccts_oflow", CCTS_OFLOW, MD_CTL},
#else
{"crtscts", CRTSCTS, MD_CTL},
#endif /* CCTS_OFLOW */
#endif /* CRTSCTS */
#ifdef CRTS_IFLOW
{"crts_iflow", CRTS_IFLOW, MD_CTL},
#endif /* CRTS_IFLOW */
#ifdef CDTRCTS
{"cdtrcts", CDTRCTS, MD_CTL},
#endif /* CDTRCTS */
#ifdef MDMBUF
{"mdmbuf", MDMBUF, MD_CTL},
#endif /* MDMBUF */
#ifdef RCV1EN
{"rcv1en", RCV1EN, MD_CTL},
#endif /* RCV1EN */
#ifdef XMT1EN
{"xmt1en", XMT1EN, MD_CTL},
#endif /* XMT1EN */
#ifdef ISIG
{"isig", ISIG, MD_LIN},
#endif /* ISIG */
#ifdef ICANON
{"icanon", ICANON, MD_LIN},
#endif /* ICANON */
#ifdef XCASE
{"xcase", XCASE, MD_LIN},
#endif /* XCASE */
#ifdef ECHO
{"echo", ECHO, MD_LIN},
#endif /* ECHO */
#ifdef ECHOE
{"echoe", ECHOE, MD_LIN},
#endif /* ECHOE */
#ifdef ECHOK
{"echok", ECHOK, MD_LIN},
#endif /* ECHOK */
#ifdef ECHONL
{"echonl", ECHONL, MD_LIN},
#endif /* ECHONL */
#ifdef NOFLSH
{"noflsh", NOFLSH, MD_LIN},
#endif /* NOFLSH */
#ifdef TOSTOP
{"tostop", TOSTOP, MD_LIN},
#endif /* TOSTOP */
#ifdef ECHOCTL
{"echoctl", ECHOCTL, MD_LIN},
#endif /* ECHOCTL */
#ifdef ECHOPRT
{"echoprt", ECHOPRT, MD_LIN},
#endif /* ECHOPRT */
#ifdef ECHOKE
{"echoke", ECHOKE, MD_LIN},
#endif /* ECHOKE */
#ifdef DEFECHO
{"defecho", DEFECHO, MD_LIN},
#endif /* DEFECHO */
#ifdef FLUSHO
{"flusho", FLUSHO, MD_LIN},
#endif /* FLUSHO */
#ifdef PENDIN
{"pendin", PENDIN, MD_LIN},
#endif /* PENDIN */
#ifdef IEXTEN
{"iexten", IEXTEN, MD_LIN},
#endif /* IEXTEN */
#ifdef NOKERNINFO
{"nokerninfo", NOKERNINFO, MD_LIN},
#endif /* NOKERNINFO */
#ifdef ALTWERASE
{"altwerase", ALTWERASE, MD_LIN},
#endif /* ALTWERASE */
#ifdef EXTPROC
{"extproc", EXTPROC, MD_LIN},
#endif /* EXTPROC */
#if defined(VINTR)
{"intr", C_SH(C_INTR), MD_CHAR},
#endif /* VINTR */
#if defined(VQUIT)
{"quit", C_SH(C_QUIT), MD_CHAR},
#endif /* VQUIT */
#if defined(VERASE)
{"erase", C_SH(C_ERASE), MD_CHAR},
#endif /* VERASE */
#if defined(VKILL)
{"kill", C_SH(C_KILL), MD_CHAR},
#endif /* VKILL */
#if defined(VEOF)
{"eof", C_SH(C_EOF), MD_CHAR},
#endif /* VEOF */
#if defined(VEOL)
{"eol", C_SH(C_EOL), MD_CHAR},
#endif /* VEOL */
#if defined(VEOL2)
{"eol2", C_SH(C_EOL2), MD_CHAR},
#endif /* VEOL2 */
#if defined(VSWTCH)
{"swtch", C_SH(C_SWTCH), MD_CHAR},
#endif /* VSWTCH */
#if defined(VDSWTCH)
{"dswtch", C_SH(C_DSWTCH), MD_CHAR},
#endif /* VDSWTCH */
#if defined(VERASE2)
{"erase2", C_SH(C_ERASE2), MD_CHAR},
#endif /* VERASE2 */
#if defined(VSTART)
{"start", C_SH(C_START), MD_CHAR},
#endif /* VSTART */
#if defined(VSTOP)
{"stop", C_SH(C_STOP), MD_CHAR},
#endif /* VSTOP */
#if defined(VWERASE)
{"werase", C_SH(C_WERASE), MD_CHAR},
#endif /* VWERASE */
#if defined(VSUSP)
{"susp", C_SH(C_SUSP), MD_CHAR},
#endif /* VSUSP */
#if defined(VDSUSP)
{"dsusp", C_SH(C_DSUSP), MD_CHAR},
#endif /* VDSUSP */
#if defined(VREPRINT)
{"reprint", C_SH(C_REPRINT), MD_CHAR},
#endif /* VREPRINT */
#if defined(VDISCARD)
{"discard", C_SH(C_DISCARD), MD_CHAR},
#endif /* VDISCARD */
#if defined(VLNEXT)
{"lnext", C_SH(C_LNEXT), MD_CHAR},
#endif /* VLNEXT */
#if defined(VSTATUS)
{"status", C_SH(C_STATUS), MD_CHAR},
#endif /* VSTATUS */
#if defined(VPAGE)
{"page", C_SH(C_PAGE), MD_CHAR},
#endif /* VPAGE */
#if defined(VPGOFF)
{"pgoff", C_SH(C_PGOFF), MD_CHAR},
#endif /* VPGOFF */
#if defined(VKILL2)
{"kill2", C_SH(C_KILL2), MD_CHAR},
#endif /* VKILL2 */
#if defined(VBRK)
{"brk", C_SH(C_BRK), MD_CHAR},
#endif /* VBRK */
#if defined(VMIN)
{"min", C_SH(C_MIN), MD_CHAR},
#endif /* VMIN */
#if defined(VTIME)
{"time", C_SH(C_TIME), MD_CHAR},
#endif /* VTIME */
{NULL, 0, -1},
};
#define tty__gettabs(td) ((((td)->c_oflag & TAB3) == TAB3) ? 0 : 1)
#define tty__geteightbit(td) (((td)->c_cflag & CSIZE) == CS8)
#define tty__cooked_mode(td) ((td)->c_lflag & ICANON)
private int tty_getty(EditLine *, struct termios *);
private int tty_setty(EditLine *, int, const struct termios *);
private int tty__getcharindex(int);
private void tty__getchar(struct termios *, unsigned char *);
private void tty__setchar(struct termios *, unsigned char *);
private speed_t tty__getspeed(struct termios *);
private int tty_setup(EditLine *);
#define t_qu t_ts
/* tty_getty():
* Wrapper for tcgetattr to handle EINTR
*/
private int
tty_getty(EditLine *el, struct termios *t)
{
int rv;
while ((rv = tcgetattr(el->el_infd, t)) == -1 && errno == EINTR)
continue;
return rv;
}
/* tty_setty():
* Wrapper for tcsetattr to handle EINTR
*/
private int
tty_setty(EditLine *el, int action, const struct termios *t)
{
int rv;
while ((rv = tcsetattr(el->el_infd, action, t)) == -1 && errno == EINTR)
continue;
return rv;
}
/* tty_setup():
* Get the tty parameters and initialize the editing state
*/
private int
tty_setup(EditLine *el)
{
int rst = 1;
if (el->el_flags & EDIT_DISABLED)
return 0;
if (!isatty(el->el_outfd)) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: isatty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
if (tty_getty(el, &el->el_tty.t_or) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_ts = el->el_tty.t_ex = el->el_tty.t_ed = el->el_tty.t_or;
el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ex);
el->el_tty.t_tabs = tty__gettabs(&el->el_tty.t_ex);
el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ex);
el->el_tty.t_ex.c_iflag &= ~el->el_tty.t_t[EX_IO][MD_INP].t_clrmask;
el->el_tty.t_ex.c_iflag |= el->el_tty.t_t[EX_IO][MD_INP].t_setmask;
el->el_tty.t_ex.c_oflag &= ~el->el_tty.t_t[EX_IO][MD_OUT].t_clrmask;
el->el_tty.t_ex.c_oflag |= el->el_tty.t_t[EX_IO][MD_OUT].t_setmask;
el->el_tty.t_ex.c_cflag &= ~el->el_tty.t_t[EX_IO][MD_CTL].t_clrmask;
el->el_tty.t_ex.c_cflag |= el->el_tty.t_t[EX_IO][MD_CTL].t_setmask;
el->el_tty.t_ex.c_lflag &= ~el->el_tty.t_t[EX_IO][MD_LIN].t_clrmask;
el->el_tty.t_ex.c_lflag |= el->el_tty.t_t[EX_IO][MD_LIN].t_setmask;
/*
* Reset the tty chars to reasonable defaults
* If they are disabled, then enable them.
*/
if (rst) {
if (tty__cooked_mode(&el->el_tty.t_ts)) {
tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[TS_IO]);
/*
* Don't affect CMIN and CTIME for the editor mode
*/
for (rst = 0; rst < C_NCC - 2; rst++)
if (el->el_tty.t_c[TS_IO][rst] !=
el->el_tty.t_vdisable
&& el->el_tty.t_c[ED_IO][rst] !=
el->el_tty.t_vdisable)
el->el_tty.t_c[ED_IO][rst] =
el->el_tty.t_c[TS_IO][rst];
for (rst = 0; rst < C_NCC; rst++)
if (el->el_tty.t_c[TS_IO][rst] !=
el->el_tty.t_vdisable)
el->el_tty.t_c[EX_IO][rst] =
el->el_tty.t_c[TS_IO][rst];
}
tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n",
__func__, strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
}
el->el_tty.t_ed.c_iflag &= ~el->el_tty.t_t[ED_IO][MD_INP].t_clrmask;
el->el_tty.t_ed.c_iflag |= el->el_tty.t_t[ED_IO][MD_INP].t_setmask;
el->el_tty.t_ed.c_oflag &= ~el->el_tty.t_t[ED_IO][MD_OUT].t_clrmask;
el->el_tty.t_ed.c_oflag |= el->el_tty.t_t[ED_IO][MD_OUT].t_setmask;
el->el_tty.t_ed.c_cflag &= ~el->el_tty.t_t[ED_IO][MD_CTL].t_clrmask;
el->el_tty.t_ed.c_cflag |= el->el_tty.t_t[ED_IO][MD_CTL].t_setmask;
el->el_tty.t_ed.c_lflag &= ~el->el_tty.t_t[ED_IO][MD_LIN].t_clrmask;
el->el_tty.t_ed.c_lflag |= el->el_tty.t_t[ED_IO][MD_LIN].t_setmask;
tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
tty_bind_char(el, 1);
return 0;
}
protected int
tty_init(EditLine *el)
{
el->el_tty.t_mode = EX_IO;
el->el_tty.t_vdisable = _POSIX_VDISABLE;
(void) memcpy(el->el_tty.t_t, ttyperm, sizeof(ttyperm_t));
(void) memcpy(el->el_tty.t_c, ttychar, sizeof(ttychar_t));
return tty_setup(el);
}
/* tty_end():
* Restore the tty to its original settings
*/
protected void
/*ARGSUSED*/
tty_end(EditLine *el)
{
if (tty_setty(el, TCSAFLUSH, &el->el_tty.t_or) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile,
"%s: tty_setty: %s\n", __func__, strerror(errno));
#endif /* DEBUG_TTY */
}
}
/* tty__getspeed():
* Get the tty speed
*/
private speed_t
tty__getspeed(struct termios *td)
{
speed_t spd;
if ((spd = cfgetispeed(td)) == 0)
spd = cfgetospeed(td);
return spd;
}
/* tty__getspeed():
* Return the index of the asked char in the c_cc array
*/
private int
tty__getcharindex(int i)
{
switch (i) {
#ifdef VINTR
case C_INTR:
return VINTR;
#endif /* VINTR */
#ifdef VQUIT
case C_QUIT:
return VQUIT;
#endif /* VQUIT */
#ifdef VERASE
case C_ERASE:
return VERASE;
#endif /* VERASE */
#ifdef VKILL
case C_KILL:
return VKILL;
#endif /* VKILL */
#ifdef VEOF
case C_EOF:
return VEOF;
#endif /* VEOF */
#ifdef VEOL
case C_EOL:
return VEOL;
#endif /* VEOL */
#ifdef VEOL2
case C_EOL2:
return VEOL2;
#endif /* VEOL2 */
#ifdef VSWTCH
case C_SWTCH:
return VSWTCH;
#endif /* VSWTCH */
#ifdef VDSWTCH
case C_DSWTCH:
return VDSWTCH;
#endif /* VDSWTCH */
#ifdef VERASE2
case C_ERASE2:
return VERASE2;
#endif /* VERASE2 */
#ifdef VSTART
case C_START:
return VSTART;
#endif /* VSTART */
#ifdef VSTOP
case C_STOP:
return VSTOP;
#endif /* VSTOP */
#ifdef VWERASE
case C_WERASE:
return VWERASE;
#endif /* VWERASE */
#ifdef VSUSP
case C_SUSP:
return VSUSP;
#endif /* VSUSP */
#ifdef VDSUSP
case C_DSUSP:
return VDSUSP;
#endif /* VDSUSP */
#ifdef VREPRINT
case C_REPRINT:
return VREPRINT;
#endif /* VREPRINT */
#ifdef VDISCARD
case C_DISCARD:
return VDISCARD;
#endif /* VDISCARD */
#ifdef VLNEXT
case C_LNEXT:
return VLNEXT;
#endif /* VLNEXT */
#ifdef VSTATUS
case C_STATUS:
return VSTATUS;
#endif /* VSTATUS */
#ifdef VPAGE
case C_PAGE:
return VPAGE;
#endif /* VPAGE */
#ifdef VPGOFF
case C_PGOFF:
return VPGOFF;
#endif /* VPGOFF */
#ifdef VKILL2
case C_KILL2:
return VKILL2;
#endif /* KILL2 */
#ifdef VMIN
case C_MIN:
return VMIN;
#endif /* VMIN */
#ifdef VTIME
case C_TIME:
return VTIME;
#endif /* VTIME */
default:
return -1;
}
}
/* tty__getchar():
* Get the tty characters
*/
private void
tty__getchar(struct termios *td, unsigned char *s)
{
#ifdef VINTR
s[C_INTR] = td->c_cc[VINTR];
#endif /* VINTR */
#ifdef VQUIT
s[C_QUIT] = td->c_cc[VQUIT];
#endif /* VQUIT */
#ifdef VERASE
s[C_ERASE] = td->c_cc[VERASE];
#endif /* VERASE */
#ifdef VKILL
s[C_KILL] = td->c_cc[VKILL];
#endif /* VKILL */
#ifdef VEOF
s[C_EOF] = td->c_cc[VEOF];
#endif /* VEOF */
#ifdef VEOL
s[C_EOL] = td->c_cc[VEOL];
#endif /* VEOL */
#ifdef VEOL2
s[C_EOL2] = td->c_cc[VEOL2];
#endif /* VEOL2 */
#ifdef VSWTCH
s[C_SWTCH] = td->c_cc[VSWTCH];
#endif /* VSWTCH */
#ifdef VDSWTCH
s[C_DSWTCH] = td->c_cc[VDSWTCH];
#endif /* VDSWTCH */
#ifdef VERASE2
s[C_ERASE2] = td->c_cc[VERASE2];
#endif /* VERASE2 */
#ifdef VSTART
s[C_START] = td->c_cc[VSTART];
#endif /* VSTART */
#ifdef VSTOP
s[C_STOP] = td->c_cc[VSTOP];
#endif /* VSTOP */
#ifdef VWERASE
s[C_WERASE] = td->c_cc[VWERASE];
#endif /* VWERASE */
#ifdef VSUSP
s[C_SUSP] = td->c_cc[VSUSP];
#endif /* VSUSP */
#ifdef VDSUSP
s[C_DSUSP] = td->c_cc[VDSUSP];
#endif /* VDSUSP */
#ifdef VREPRINT
s[C_REPRINT] = td->c_cc[VREPRINT];
#endif /* VREPRINT */
#ifdef VDISCARD
s[C_DISCARD] = td->c_cc[VDISCARD];
#endif /* VDISCARD */
#ifdef VLNEXT
s[C_LNEXT] = td->c_cc[VLNEXT];
#endif /* VLNEXT */
#ifdef VSTATUS
s[C_STATUS] = td->c_cc[VSTATUS];
#endif /* VSTATUS */
#ifdef VPAGE
s[C_PAGE] = td->c_cc[VPAGE];
#endif /* VPAGE */
#ifdef VPGOFF
s[C_PGOFF] = td->c_cc[VPGOFF];
#endif /* VPGOFF */
#ifdef VKILL2
s[C_KILL2] = td->c_cc[VKILL2];
#endif /* KILL2 */
#ifdef VMIN
s[C_MIN] = td->c_cc[VMIN];
#endif /* VMIN */
#ifdef VTIME
s[C_TIME] = td->c_cc[VTIME];
#endif /* VTIME */
} /* tty__getchar */
/* tty__setchar():
* Set the tty characters
*/
private void
tty__setchar(struct termios *td, unsigned char *s)
{
#ifdef VINTR
td->c_cc[VINTR] = s[C_INTR];
#endif /* VINTR */
#ifdef VQUIT
td->c_cc[VQUIT] = s[C_QUIT];
#endif /* VQUIT */
#ifdef VERASE
td->c_cc[VERASE] = s[C_ERASE];
#endif /* VERASE */
#ifdef VKILL
td->c_cc[VKILL] = s[C_KILL];
#endif /* VKILL */
#ifdef VEOF
td->c_cc[VEOF] = s[C_EOF];
#endif /* VEOF */
#ifdef VEOL
td->c_cc[VEOL] = s[C_EOL];
#endif /* VEOL */
#ifdef VEOL2
td->c_cc[VEOL2] = s[C_EOL2];
#endif /* VEOL2 */
#ifdef VSWTCH
td->c_cc[VSWTCH] = s[C_SWTCH];
#endif /* VSWTCH */
#ifdef VDSWTCH
td->c_cc[VDSWTCH] = s[C_DSWTCH];
#endif /* VDSWTCH */
#ifdef VERASE2
td->c_cc[VERASE2] = s[C_ERASE2];
#endif /* VERASE2 */
#ifdef VSTART
td->c_cc[VSTART] = s[C_START];
#endif /* VSTART */
#ifdef VSTOP
td->c_cc[VSTOP] = s[C_STOP];
#endif /* VSTOP */
#ifdef VWERASE
td->c_cc[VWERASE] = s[C_WERASE];
#endif /* VWERASE */
#ifdef VSUSP
td->c_cc[VSUSP] = s[C_SUSP];
#endif /* VSUSP */
#ifdef VDSUSP
td->c_cc[VDSUSP] = s[C_DSUSP];
#endif /* VDSUSP */
#ifdef VREPRINT
td->c_cc[VREPRINT] = s[C_REPRINT];
#endif /* VREPRINT */
#ifdef VDISCARD
td->c_cc[VDISCARD] = s[C_DISCARD];
#endif /* VDISCARD */
#ifdef VLNEXT
td->c_cc[VLNEXT] = s[C_LNEXT];
#endif /* VLNEXT */
#ifdef VSTATUS
td->c_cc[VSTATUS] = s[C_STATUS];
#endif /* VSTATUS */
#ifdef VPAGE
td->c_cc[VPAGE] = s[C_PAGE];
#endif /* VPAGE */
#ifdef VPGOFF
td->c_cc[VPGOFF] = s[C_PGOFF];
#endif /* VPGOFF */
#ifdef VKILL2
td->c_cc[VKILL2] = s[C_KILL2];
#endif /* VKILL2 */
#ifdef VMIN
td->c_cc[VMIN] = s[C_MIN];
#endif /* VMIN */
#ifdef VTIME
td->c_cc[VTIME] = s[C_TIME];
#endif /* VTIME */
} /* tty__setchar */
/* tty_bind_char():
* Rebind the editline functions
*/
protected void
tty_bind_char(EditLine *el, int force)
{
unsigned char *t_n = el->el_tty.t_c[ED_IO];
unsigned char *t_o = el->el_tty.t_ed.c_cc;
Char new[2], old[2];
const ttymap_t *tp;
el_action_t *map, *alt;
const el_action_t *dmap, *dalt;
new[1] = old[1] = '\0';
map = el->el_map.key;
alt = el->el_map.alt;
if (el->el_map.type == MAP_VI) {
dmap = el->el_map.vii;
dalt = el->el_map.vic;
} else {
dmap = el->el_map.emacs;
dalt = NULL;
}
for (tp = tty_map; tp->nch != (Int)-1; tp++) {
new[0] = t_n[tp->nch];
old[0] = t_o[tp->och];
if (new[0] == old[0] && !force)
continue;
/* Put the old default binding back, and set the new binding */
keymacro_clear(el, map, old);
map[UC(old[0])] = dmap[UC(old[0])];
keymacro_clear(el, map, new);
/* MAP_VI == 1, MAP_EMACS == 0... */
map[UC(new[0])] = tp->bind[el->el_map.type];
if (dalt) {
keymacro_clear(el, alt, old);
alt[UC(old[0])] = dalt[UC(old[0])];
keymacro_clear(el, alt, new);
alt[UC(new[0])] = tp->bind[el->el_map.type + 1];
}
}
}
/* tty_rawmode():
* Set terminal into 1 character at a time mode.
*/
protected int
tty_rawmode(EditLine *el)
{
if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO)
return 0;
if (el->el_flags & EDIT_DISABLED)
return 0;
if (tty_getty(el, &el->el_tty.t_ts) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_getty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
/*
* We always keep up with the eight bit setting and the speed of the
* tty. But we only believe changes that are made to cooked mode!
*/
el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts);
el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts);
if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed ||
tty__getspeed(&el->el_tty.t_ed) != el->el_tty.t_speed) {
(void) cfsetispeed(&el->el_tty.t_ex, el->el_tty.t_speed);
(void) cfsetospeed(&el->el_tty.t_ex, el->el_tty.t_speed);
(void) cfsetispeed(&el->el_tty.t_ed, el->el_tty.t_speed);
(void) cfsetospeed(&el->el_tty.t_ed, el->el_tty.t_speed);
}
if (tty__cooked_mode(&el->el_tty.t_ts)) {
if (el->el_tty.t_ts.c_cflag != el->el_tty.t_ex.c_cflag) {
el->el_tty.t_ex.c_cflag =
el->el_tty.t_ts.c_cflag;
el->el_tty.t_ex.c_cflag &=
~el->el_tty.t_t[EX_IO][MD_CTL].t_clrmask;
el->el_tty.t_ex.c_cflag |=
el->el_tty.t_t[EX_IO][MD_CTL].t_setmask;
el->el_tty.t_ed.c_cflag =
el->el_tty.t_ts.c_cflag;
el->el_tty.t_ed.c_cflag &=
~el->el_tty.t_t[ED_IO][MD_CTL].t_clrmask;
el->el_tty.t_ed.c_cflag |=
el->el_tty.t_t[ED_IO][MD_CTL].t_setmask;
}
if ((el->el_tty.t_ts.c_lflag != el->el_tty.t_ex.c_lflag) &&
(el->el_tty.t_ts.c_lflag != el->el_tty.t_ed.c_lflag)) {
el->el_tty.t_ex.c_lflag =
el->el_tty.t_ts.c_lflag;
el->el_tty.t_ex.c_lflag &=
~el->el_tty.t_t[EX_IO][MD_LIN].t_clrmask;
el->el_tty.t_ex.c_lflag |=
el->el_tty.t_t[EX_IO][MD_LIN].t_setmask;
el->el_tty.t_ed.c_lflag =
el->el_tty.t_ts.c_lflag;
el->el_tty.t_ed.c_lflag &=
~el->el_tty.t_t[ED_IO][MD_LIN].t_clrmask;
el->el_tty.t_ed.c_lflag |=
el->el_tty.t_t[ED_IO][MD_LIN].t_setmask;
}
if ((el->el_tty.t_ts.c_iflag != el->el_tty.t_ex.c_iflag) &&
(el->el_tty.t_ts.c_iflag != el->el_tty.t_ed.c_iflag)) {
el->el_tty.t_ex.c_iflag =
el->el_tty.t_ts.c_iflag;
el->el_tty.t_ex.c_iflag &=
~el->el_tty.t_t[EX_IO][MD_INP].t_clrmask;
el->el_tty.t_ex.c_iflag |=
el->el_tty.t_t[EX_IO][MD_INP].t_setmask;
el->el_tty.t_ed.c_iflag =
el->el_tty.t_ts.c_iflag;
el->el_tty.t_ed.c_iflag &=
~el->el_tty.t_t[ED_IO][MD_INP].t_clrmask;
el->el_tty.t_ed.c_iflag |=
el->el_tty.t_t[ED_IO][MD_INP].t_setmask;
}
if ((el->el_tty.t_ts.c_oflag != el->el_tty.t_ex.c_oflag) &&
(el->el_tty.t_ts.c_oflag != el->el_tty.t_ed.c_oflag)) {
el->el_tty.t_ex.c_oflag =
el->el_tty.t_ts.c_oflag;
el->el_tty.t_ex.c_oflag &=
~el->el_tty.t_t[EX_IO][MD_OUT].t_clrmask;
el->el_tty.t_ex.c_oflag |=
el->el_tty.t_t[EX_IO][MD_OUT].t_setmask;
el->el_tty.t_ed.c_oflag =
el->el_tty.t_ts.c_oflag;
el->el_tty.t_ed.c_oflag &=
~el->el_tty.t_t[ED_IO][MD_OUT].t_clrmask;
el->el_tty.t_ed.c_oflag |=
el->el_tty.t_t[ED_IO][MD_OUT].t_setmask;
}
if (tty__gettabs(&el->el_tty.t_ex) == 0)
el->el_tty.t_tabs = 0;
else
el->el_tty.t_tabs = EL_CAN_TAB ? 1 : 0;
{
int i;
tty__getchar(&el->el_tty.t_ts, el->el_tty.t_c[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 (el->el_tty.t_c[TS_IO][i] !=
el->el_tty.t_c[EX_IO][i])
break;
if (i != C_NCC) {
/*
* Propagate changes only to the unprotected
* chars that have been modified just now.
*/
for (i = 0; i < C_NCC; i++) {
if (!((el->el_tty.t_t[ED_IO][MD_CHAR].t_setmask & C_SH(i)))
&& (el->el_tty.t_c[TS_IO][i] != el->el_tty.t_c[EX_IO][i]))
el->el_tty.t_c[ED_IO][i] = el->el_tty.t_c[TS_IO][i];
if (el->el_tty.t_t[ED_IO][MD_CHAR].t_clrmask & C_SH(i))
el->el_tty.t_c[ED_IO][i] = el->el_tty.t_vdisable;
}
tty_bind_char(el, 0);
tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
for (i = 0; i < C_NCC; i++) {
if (!((el->el_tty.t_t[EX_IO][MD_CHAR].t_setmask & C_SH(i)))
&& (el->el_tty.t_c[TS_IO][i] != el->el_tty.t_c[EX_IO][i]))
el->el_tty.t_c[EX_IO][i] = el->el_tty.t_c[TS_IO][i];
if (el->el_tty.t_t[EX_IO][MD_CHAR].t_clrmask & C_SH(i))
el->el_tty.t_c[EX_IO][i] = el->el_tty.t_vdisable;
}
tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
}
}
}
if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = ED_IO;
return 0;
}
/* tty_cookedmode():
* Set the tty back to normal mode
*/
protected int
tty_cookedmode(EditLine *el)
{ /* set tty in normal setup */
if (el->el_tty.t_mode == EX_IO)
return 0;
if (el->el_flags & EDIT_DISABLED)
return 0;
if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ex) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = EX_IO;
return 0;
}
/* tty_quotemode():
* Turn on quote mode
*/
protected int
tty_quotemode(EditLine *el)
{
if (el->el_tty.t_mode == QU_IO)
return 0;
el->el_tty.t_qu = el->el_tty.t_ed;
el->el_tty.t_qu.c_iflag &= ~el->el_tty.t_t[QU_IO][MD_INP].t_clrmask;
el->el_tty.t_qu.c_iflag |= el->el_tty.t_t[QU_IO][MD_INP].t_setmask;
el->el_tty.t_qu.c_oflag &= ~el->el_tty.t_t[QU_IO][MD_OUT].t_clrmask;
el->el_tty.t_qu.c_oflag |= el->el_tty.t_t[QU_IO][MD_OUT].t_setmask;
el->el_tty.t_qu.c_cflag &= ~el->el_tty.t_t[QU_IO][MD_CTL].t_clrmask;
el->el_tty.t_qu.c_cflag |= el->el_tty.t_t[QU_IO][MD_CTL].t_setmask;
el->el_tty.t_qu.c_lflag &= ~el->el_tty.t_t[QU_IO][MD_LIN].t_clrmask;
el->el_tty.t_qu.c_lflag |= el->el_tty.t_t[QU_IO][MD_LIN].t_setmask;
if (tty_setty(el, TCSADRAIN, &el->el_tty.t_qu) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = QU_IO;
return 0;
}
/* tty_noquotemode():
* Turn off quote mode
*/
protected int
tty_noquotemode(EditLine *el)
{
if (el->el_tty.t_mode != QU_IO)
return 0;
if (tty_setty(el, TCSADRAIN, &el->el_tty.t_ed) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n", __func__,
strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = ED_IO;
return 0;
}
/* tty_stty():
* Stty builtin
*/
protected int
/*ARGSUSED*/
tty_stty(EditLine *el, int argc __attribute__((__unused__)), const Char **argv)
{
const ttymodes_t *m;
char x;
int aflag = 0;
const Char *s, *d;
char name[EL_BUFSIZ];
struct termios *tios = &el->el_tty.t_ex;
int z = EX_IO;
if (argv == NULL)
return -1;
strncpy(name, ct_encode_string(*argv++, &el->el_scratch), sizeof(name));
name[sizeof(name) - 1] = '\0';
while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0')
switch (argv[0][1]) {
case 'a':
aflag++;
argv++;
break;
case 'd':
argv++;
tios = &el->el_tty.t_ed;
z = ED_IO;
break;
case 'x':
argv++;
tios = &el->el_tty.t_ex;
z = EX_IO;
break;
case 'q':
argv++;
tios = &el->el_tty.t_ts;
z = QU_IO;
break;
default:
(void) fprintf(el->el_errfile,
"%s: Unknown switch `%c'.\n",
name, argv[0][1]);
return -1;
}
if (!argv || !*argv) {
int i = -1;
size_t len = 0, st = 0, cu;
for (m = ttymodes; m->m_name; m++) {
if (m->m_type != i) {
(void) fprintf(el->el_outfile, "%s%s",
i != -1 ? "\n" : "",
el->el_tty.t_t[z][m->m_type].t_name);
i = m->m_type;
st = len =
strlen(el->el_tty.t_t[z][m->m_type].t_name);
}
if (i != -1) {
x = (el->el_tty.t_t[z][i].t_setmask & m->m_value)
? '+' : '\0';
if (el->el_tty.t_t[z][i].t_clrmask & m->m_value)
x = '-';
} else {
x = '\0';
}
if (x != '\0' || aflag) {
cu = strlen(m->m_name) + (x != '\0') + 1;
if (len + cu >=
(size_t)el->el_terminal.t_size.h) {
(void) fprintf(el->el_outfile, "\n%*s",
(int)st, "");
len = st + cu;
} else
len += cu;
if (x != '\0')
(void) fprintf(el->el_outfile, "%c%s ",
x, m->m_name);
else
(void) fprintf(el->el_outfile, "%s ",
m->m_name);
}
}
(void) fprintf(el->el_outfile, "\n");
return 0;
}
while (argv && (s = *argv++)) {
const Char *p;
switch (*s) {
case '+':
case '-':
x = (char)*s++;
break;
default:
x = '\0';
break;
}
d = s;
p = Strchr(s, '=');
for (m = ttymodes; m->m_name; m++)
if ((p ? strncmp(m->m_name, ct_encode_string(d,
&el->el_scratch), (size_t)(p - d)) :
strcmp(m->m_name, ct_encode_string(d,
&el->el_scratch))) == 0 &&
(p == NULL || m->m_type == MD_CHAR))
break;
if (!m->m_name) {
(void) fprintf(el->el_errfile,
"%s: Invalid argument `" FSTR "'.\n", name, d);
return -1;
}
if (p) {
int c = ffs((int)m->m_value);
int v = *++p ? parse__escape(&p) :
el->el_tty.t_vdisable;
assert(c != 0);
c--;
c = tty__getcharindex(c);
assert(c != -1);
tios->c_cc[c] = (cc_t)v;
continue;
}
switch (x) {
case '+':
el->el_tty.t_t[z][m->m_type].t_setmask |= m->m_value;
el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
break;
case '-':
el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
el->el_tty.t_t[z][m->m_type].t_clrmask |= m->m_value;
break;
default:
el->el_tty.t_t[z][m->m_type].t_setmask &= ~m->m_value;
el->el_tty.t_t[z][m->m_type].t_clrmask &= ~m->m_value;
break;
}
}
if (el->el_tty.t_mode == z) {
if (tty_setty(el, TCSADRAIN, tios) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "%s: tty_setty: %s\n",
__func__, strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
}
return 0;
}
#ifdef notyet
/* tty_printchar():
* DEbugging routine to print the tty characters
*/
private void
tty_printchar(EditLine *el, unsigned char *s)
{
ttyperm_t *m;
int i;
for (i = 0; i < C_NCC; i++) {
for (m = el->el_tty.t_t; m->m_name; m++)
if (m->m_type == MD_CHAR && C_SH(i) == m->m_value)
break;
if (m->m_name)
(void) fprintf(el->el_errfile, "%s ^%c ",
m->m_name, s[i] + 'A' - 1);
if (i % 5 == 0)
(void) fprintf(el->el_errfile, "\n");
}
(void) fprintf(el->el_errfile, "\n");
}
#endif /* notyet */
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