summaryrefslogtreecommitdiffstats
path: root/third_party/heimdal/lib/libedit/src/tty.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/heimdal/lib/libedit/src/tty.c')
-rw-r--r--third_party/heimdal/lib/libedit/src/tty.c1342
1 files changed, 1342 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/libedit/src/tty.c b/third_party/heimdal/lib/libedit/src/tty.c
new file mode 100644
index 0000000..f524da4
--- /dev/null
+++ b/third_party/heimdal/lib/libedit/src/tty.c
@@ -0,0 +1,1342 @@
+/* $NetBSD: tty.c,v 1.65 2016/05/09 21:46:56 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 1.65 2016/05/09 21:46:56 christos Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * tty.c: tty interface stuff
+ */
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h> /* for abort */
+#include <string.h>
+#include <strings.h> /* for ffs */
+#include <unistd.h> /* for isatty */
+
+#include "el.h"
+#include "fcns.h"
+#include "parse.h"
+
+typedef struct ttymodes_t {
+ const char *m_name;
+ unsigned int m_value;
+ int m_type;
+} ttymodes_t;
+
+typedef struct ttymap_t {
+ wint_t nch, och; /* Internal and termio rep of chars */
+ el_action_t bind[3]; /* emacs, vi, and vi-cmd */
+} ttymap_t;
+
+
+static 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},
+ }
+};
+
+static 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
+ }
+};
+
+static 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 */
+ {(wint_t)-1, (wint_t)-1,
+ {ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED}}
+};
+
+static 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)
+
+static int tty_getty(EditLine *, struct termios *);
+static int tty_setty(EditLine *, int, const struct termios *);
+static int tty__getcharindex(int);
+static void tty__getchar(struct termios *, unsigned char *);
+static void tty__setchar(struct termios *, unsigned char *);
+static speed_t tty__getspeed(struct termios *);
+static int tty_setup(EditLine *);
+static void tty_setup_flags(EditLine *, struct termios *, int);
+
+#define t_qu t_ts
+
+/* tty_getty():
+ * Wrapper for tcgetattr to handle EINTR
+ */
+static 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
+ */
+static 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
+ */
+static int
+tty_setup(EditLine *el)
+{
+ int rst = 1;
+
+ if (el->el_flags & EDIT_DISABLED)
+ return 0;
+
+ if (el->el_tty.t_initialized)
+ return -1;
+
+ 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);
+
+ tty_setup_flags(el, &el->el_tty.t_ex, EX_IO);
+
+ /*
+ * 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;
+ }
+ }
+
+ tty_setup_flags(el, &el->el_tty.t_ed, ED_IO);
+
+ tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
+ tty_bind_char(el, 1);
+ el->el_tty.t_initialized = 1;
+ return 0;
+}
+
+libedit_private int
+tty_init(EditLine *el)
+{
+
+ el->el_tty.t_mode = EX_IO;
+ el->el_tty.t_vdisable = _POSIX_VDISABLE;
+ el->el_tty.t_initialized = 0;
+ (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
+ */
+libedit_private void
+/*ARGSUSED*/
+tty_end(EditLine *el)
+{
+ if (el->el_flags & EDIT_DISABLED)
+ return;
+
+ if (!el->el_tty.t_initialized)
+ return;
+
+ 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
+ */
+static 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
+ */
+static 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
+ */
+static 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
+ */
+static 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
+ */
+libedit_private 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;
+ wchar_t 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 != (wint_t)-1; tp++) {
+ new[0] = (wchar_t)t_n[tp->nch];
+ old[0] = (wchar_t)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[(unsigned char)old[0]] = dmap[(unsigned char)old[0]];
+ keymacro_clear(el, map, new);
+ /* MAP_VI == 1, MAP_EMACS == 0... */
+ map[(unsigned char)new[0]] = tp->bind[el->el_map.type];
+ if (dalt) {
+ keymacro_clear(el, alt, old);
+ alt[(unsigned char)old[0]] =
+ dalt[(unsigned char)old[0]];
+ keymacro_clear(el, alt, new);
+ alt[(unsigned char)new[0]] =
+ tp->bind[el->el_map.type + 1];
+ }
+ }
+}
+
+
+static tcflag_t *
+tty__get_flag(struct termios *t, int kind) {
+ switch (kind) {
+ case MD_INP:
+ return &t->c_iflag;
+ case MD_OUT:
+ return &t->c_oflag;
+ case MD_CTL:
+ return &t->c_cflag;
+ case MD_LIN:
+ return &t->c_lflag;
+ default:
+ abort();
+ /*NOTREACHED*/
+ }
+}
+
+
+static tcflag_t
+tty_update_flag(EditLine *el, tcflag_t f, int mode, int kind)
+{
+ f &= ~el->el_tty.t_t[mode][kind].t_clrmask;
+ f |= el->el_tty.t_t[mode][kind].t_setmask;
+ return f;
+}
+
+
+static void
+tty_update_flags(EditLine *el, int kind)
+{
+ tcflag_t *tt, *ed, *ex;
+ tt = tty__get_flag(&el->el_tty.t_ts, kind);
+ ed = tty__get_flag(&el->el_tty.t_ed, kind);
+ ex = tty__get_flag(&el->el_tty.t_ex, kind);
+
+ if (*tt != *ex && (kind != MD_CTL || *tt != *ed)) {
+ *ed = tty_update_flag(el, *tt, ED_IO, kind);
+ *ex = tty_update_flag(el, *tt, EX_IO, kind);
+ }
+}
+
+
+static void
+tty_update_char(EditLine *el, int mode, int c) {
+ if (!((el->el_tty.t_t[mode][MD_CHAR].t_setmask & C_SH(c)))
+ && (el->el_tty.t_c[TS_IO][c] != el->el_tty.t_c[EX_IO][c]))
+ el->el_tty.t_c[mode][c] = el->el_tty.t_c[TS_IO][c];
+ if (el->el_tty.t_t[mode][MD_CHAR].t_clrmask & C_SH(c))
+ el->el_tty.t_c[mode][c] = el->el_tty.t_vdisable;
+}
+
+
+/* tty_rawmode():
+ * Set terminal into 1 character at a time mode.
+ */
+libedit_private 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)) {
+ int i;
+
+ for (i = MD_INP; i <= MD_LIN; i++)
+ tty_update_flags(el, i);
+
+ 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;
+
+ 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 unlibedit_private
+ * chars that have been modified just now.
+ */
+ for (i = 0; i < C_NCC; i++)
+ tty_update_char(el, ED_IO, i);
+
+ 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++)
+ tty_update_char(el, EX_IO, i);
+
+ 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
+ */
+libedit_private 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
+ */
+libedit_private 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;
+
+ tty_setup_flags(el, &el->el_tty.t_qu, QU_IO);
+
+ 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
+ */
+libedit_private 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
+ */
+libedit_private int
+/*ARGSUSED*/
+tty_stty(EditLine *el, int argc __attribute__((__unused__)),
+ const wchar_t **argv)
+{
+ const ttymodes_t *m;
+ char x;
+ int aflag = 0;
+ const wchar_t *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 `%lc'.\n",
+ name, (wint_t)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 wchar_t *p;
+ switch (*s) {
+ case '+':
+ case '-':
+ x = (char)*s++;
+ break;
+ default:
+ x = '\0';
+ break;
+ }
+ d = s;
+ p = wcschr(s, L'=');
+ 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 `%ls'.\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;
+ }
+ }
+
+ tty_setup_flags(el, tios, z);
+ 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
+ */
+static 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 */
+
+
+static void
+tty_setup_flags(EditLine *el, struct termios *tios, int mode)
+{
+ int kind;
+ for (kind = MD_INP; kind <= MD_LIN; kind++) {
+ tcflag_t *f = tty__get_flag(tios, kind);
+ *f = tty_update_flag(el, *f, mode, kind);
+ }
+}