+++ /dev/null
-/* $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);
- }
-}
git.samba.org / samba.git / blobdiff