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freebsd-skq/lib/libedit/tty.c

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BSD 4.4 Lite Lib Sources
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/*-
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 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.
*/
#if !defined(lint) && !defined(SCCSID)
static char sccsid[] = "@(#)tty.c 8.1 (Berkeley) 6/4/93";
#endif /* not lint && not SCCSID */
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/*
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* tty.c: tty interface stuff
*/
#include "sys.h"
#include "tty.h"
#include "el.h"
typedef struct ttymodes_t {
char *m_name;
Update libedit with changes from NetBSD. Includes history load/save, some buffer overflow guards and some stylistic cleanups. Also adds manpages. Obtained from: NetBSD
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u_int m_value;
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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;
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private ttyperm_t ttyperm = {
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{
{ "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 }
},
{
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{ "iflag:", 0, IXON | IXOFF | INLCR | ICRNL },
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{ "oflag:", 0, 0 },
{ "cflag:", 0, 0 },
{ "lflag:", 0, ISIG | IEXTEN },
{ "chars:", 0, 0 },
}
};
private ttychar_t ttychar = {
{
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CINTR, CQUIT, CERASE, CKILL,
CEOF, CEOL, CEOL2, CSWTCH,
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CDSWTCH, CERASE2, CSTART, CSTOP,
CWERASE, CSUSP, CDSUSP, CREPRINT,
CDISCARD, CLNEXT, CSTATUS, CPAGE,
CPGOFF, CKILL2, CBRK, CMIN,
CTIME
},
{
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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,
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_POSIX_VDISABLE, _POSIX_VDISABLE, _POSIX_VDISABLE, 1,
0
},
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{
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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 ttymap_t tty_map[] = {
#ifdef VERASE
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{ C_ERASE, VERASE,
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{ ED_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR } },
#endif /* VERASE */
#ifdef VERASE2
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{ C_ERASE2, VERASE2,
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{ ED_DELETE_PREV_CHAR, VI_DELETE_PREV_CHAR, ED_PREV_CHAR } },
#endif /* VERASE2 */
#ifdef VKILL
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{ C_KILL, VKILL,
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{ EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED } },
#endif /* VKILL */
#ifdef VKILL2
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{ C_KILL2, VKILL2,
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{ EM_KILL_LINE, VI_KILL_LINE_PREV, ED_UNASSIGNED } },
#endif /* VKILL2 */
#ifdef VEOF
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{ C_EOF, VEOF,
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{ EM_DELETE_OR_LIST, VI_LIST_OR_EOF, ED_UNASSIGNED } },
#endif /* VEOF */
#ifdef VWERASE
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{ C_WERASE, VWERASE,
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{ ED_DELETE_PREV_WORD, ED_DELETE_PREV_WORD, ED_PREV_WORD } },
#endif /* VWERASE */
#ifdef VREPRINT
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{ C_REPRINT, VREPRINT,
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{ ED_REDISPLAY, ED_INSERT, ED_REDISPLAY } },
#endif /* VREPRINT */
#ifdef VLNEXT
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{ C_LNEXT, VLNEXT,
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{ ED_QUOTED_INSERT, ED_QUOTED_INSERT, ED_UNASSIGNED } },
#endif /* VLNEXT */
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{ -1, -1,
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{ ED_UNASSIGNED, ED_UNASSIGNED, ED_UNASSIGNED } }
};
private ttymodes_t ttymodes[] = {
# ifdef IGNBRK
{ "ignbrk", IGNBRK, M_INP },
# endif /* IGNBRK */
# ifdef BRKINT
{ "brkint", BRKINT, M_INP },
# endif /* BRKINT */
# ifdef IGNPAR
{ "ignpar", IGNPAR, M_INP },
# endif /* IGNPAR */
# ifdef PARMRK
{ "parmrk", PARMRK, M_INP },
# endif /* PARMRK */
# ifdef INPCK
{ "inpck", INPCK, M_INP },
# endif /* INPCK */
# ifdef ISTRIP
{ "istrip", ISTRIP, M_INP },
# endif /* ISTRIP */
# ifdef INLCR
{ "inlcr", INLCR, M_INP },
# endif /* INLCR */
# ifdef IGNCR
{ "igncr", IGNCR, M_INP },
# endif /* IGNCR */
# ifdef ICRNL
{ "icrnl", ICRNL, M_INP },
# endif /* ICRNL */
# ifdef IUCLC
{ "iuclc", IUCLC, M_INP },
# endif /* IUCLC */
# ifdef IXON
{ "ixon", IXON, M_INP },
# endif /* IXON */
# ifdef IXANY
{ "ixany", IXANY, M_INP },
# endif /* IXANY */
# ifdef IXOFF
{ "ixoff", IXOFF, M_INP },
# endif /* IXOFF */
# ifdef IMAXBEL
{ "imaxbel",IMAXBEL,M_INP },
# endif /* IMAXBEL */
# ifdef OPOST
{ "opost", OPOST, M_OUT },
# endif /* OPOST */
# ifdef OLCUC
{ "olcuc", OLCUC, M_OUT },
# endif /* OLCUC */
# ifdef ONLCR
{ "onlcr", ONLCR, M_OUT },
# endif /* ONLCR */
# ifdef OCRNL
{ "ocrnl", OCRNL, M_OUT },
# endif /* OCRNL */
# ifdef ONOCR
{ "onocr", ONOCR, M_OUT },
# endif /* ONOCR */
# ifdef ONOEOT
{ "onoeot", ONOEOT, M_OUT },
# endif /* ONOEOT */
# ifdef ONLRET
{ "onlret", ONLRET, M_OUT },
# endif /* ONLRET */
# ifdef OFILL
{ "ofill", OFILL, M_OUT },
# endif /* OFILL */
# ifdef OFDEL
{ "ofdel", OFDEL, M_OUT },
# endif /* OFDEL */
# ifdef NLDLY
{ "nldly", NLDLY, M_OUT },
# endif /* NLDLY */
# ifdef CRDLY
{ "crdly", CRDLY, M_OUT },
# endif /* CRDLY */
# ifdef TABDLY
{ "tabdly", TABDLY, M_OUT },
# endif /* TABDLY */
# ifdef XTABS
{ "xtabs", XTABS, M_OUT },
# endif /* XTABS */
# ifdef BSDLY
{ "bsdly", BSDLY, M_OUT },
# endif /* BSDLY */
# ifdef VTDLY
{ "vtdly", VTDLY, M_OUT },
# endif /* VTDLY */
# ifdef FFDLY
{ "ffdly", FFDLY, M_OUT },
# endif /* FFDLY */
# ifdef PAGEOUT
{ "pageout",PAGEOUT,M_OUT },
# endif /* PAGEOUT */
# ifdef WRAP
{ "wrap", WRAP, M_OUT },
# endif /* WRAP */
# ifdef CIGNORE
{ "cignore",CIGNORE,M_CTL },
# endif /* CBAUD */
# ifdef CBAUD
{ "cbaud", CBAUD, M_CTL },
# endif /* CBAUD */
# ifdef CSTOPB
{ "cstopb", CSTOPB, M_CTL },
# endif /* CSTOPB */
# ifdef CREAD
{ "cread", CREAD, M_CTL },
# endif /* CREAD */
# ifdef PARENB
{ "parenb", PARENB, M_CTL },
# endif /* PARENB */
# ifdef PARODD
{ "parodd", PARODD, M_CTL },
# endif /* PARODD */
# ifdef HUPCL
{ "hupcl", HUPCL, M_CTL },
# endif /* HUPCL */
# ifdef CLOCAL
{ "clocal", CLOCAL, M_CTL },
# endif /* CLOCAL */
# ifdef LOBLK
{ "loblk", LOBLK, M_CTL },
# endif /* LOBLK */
# ifdef CIBAUD
{ "cibaud", CIBAUD, M_CTL },
# endif /* CIBAUD */
# ifdef CRTSCTS
# ifdef CCTS_OFLOW
{ "ccts_oflow",CCTS_OFLOW,M_CTL },
# else
{ "crtscts",CRTSCTS,M_CTL },
# endif /* CCTS_OFLOW */
# endif /* CRTSCTS */
# ifdef CRTS_IFLOW
{ "crts_iflow",CRTS_IFLOW,M_CTL },
# endif /* CRTS_IFLOW */
# ifdef MDMBUF
{ "mdmbuf", MDMBUF, M_CTL },
# endif /* MDMBUF */
# ifdef RCV1EN
{ "rcv1en", RCV1EN, M_CTL },
# endif /* RCV1EN */
# ifdef XMT1EN
{ "xmt1en", XMT1EN, M_CTL },
# endif /* XMT1EN */
# ifdef ISIG
{ "isig", ISIG, M_LIN },
# endif /* ISIG */
# ifdef ICANON
{ "icanon", ICANON, M_LIN },
# endif /* ICANON */
# ifdef XCASE
{ "xcase", XCASE, M_LIN },
# endif /* XCASE */
# ifdef ECHO
{ "echo", ECHO, M_LIN },
# endif /* ECHO */
# ifdef ECHOE
{ "echoe", ECHOE, M_LIN },
# endif /* ECHOE */
# ifdef ECHOK
{ "echok", ECHOK, M_LIN },
# endif /* ECHOK */
# ifdef ECHONL
{ "echonl", ECHONL, M_LIN },
# endif /* ECHONL */
# ifdef NOFLSH
{ "noflsh", NOFLSH, M_LIN },
# endif /* NOFLSH */
# ifdef TOSTOP
{ "tostop", TOSTOP, M_LIN },
# endif /* TOSTOP */
# ifdef ECHOCTL
{ "echoctl",ECHOCTL,M_LIN },
# endif /* ECHOCTL */
# ifdef ECHOPRT
{ "echoprt",ECHOPRT,M_LIN },
# endif /* ECHOPRT */
# ifdef ECHOKE
{ "echoke", ECHOKE, M_LIN },
# endif /* ECHOKE */
# ifdef DEFECHO
{ "defecho",DEFECHO,M_LIN },
# endif /* DEFECHO */
# ifdef FLUSHO
{ "flusho", FLUSHO, M_LIN },
# endif /* FLUSHO */
# ifdef PENDIN
{ "pendin", PENDIN, M_LIN },
# endif /* PENDIN */
# ifdef IEXTEN
{ "iexten", IEXTEN, M_LIN },
# endif /* IEXTEN */
# ifdef NOKERNINFO
{ "nokerninfo",NOKERNINFO,M_LIN },
# endif /* NOKERNINFO */
# ifdef ALTWERASE
{ "altwerase",ALTWERASE,M_LIN },
# endif /* ALTWERASE */
# ifdef EXTPROC
{ "extproc",EXTPROC, M_LIN },
# endif /* EXTPROC */
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# if defined(VINTR)
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{ "intr", C_SH(C_INTR), M_CHAR },
# endif /* VINTR */
# if defined(VQUIT)
{ "quit", C_SH(C_QUIT), M_CHAR },
# endif /* VQUIT */
# if defined(VERASE)
{ "erase", C_SH(C_ERASE), M_CHAR },
# endif /* VERASE */
# if defined(VKILL)
{ "kill", C_SH(C_KILL), M_CHAR },
# endif /* VKILL */
# if defined(VEOF)
{ "eof", C_SH(C_EOF), M_CHAR },
# endif /* VEOF */
# if defined(VEOL)
{ "eol", C_SH(C_EOL), M_CHAR },
# endif /* VEOL */
# if defined(VEOL2)
{ "eol2", C_SH(C_EOL2), M_CHAR },
# endif /* VEOL2 */
# if defined(VSWTCH)
{ "swtch", C_SH(C_SWTCH), M_CHAR },
# endif /* VSWTCH */
# if defined(VDSWTCH)
{ "dswtch", C_SH(C_DSWTCH), M_CHAR },
# endif /* VDSWTCH */
# if defined(VERASE2)
{ "erase2", C_SH(C_ERASE2), M_CHAR },
# endif /* VERASE2 */
# if defined(VSTART)
{ "start", C_SH(C_START), M_CHAR },
# endif /* VSTART */
# if defined(VSTOP)
{ "stop", C_SH(C_STOP), M_CHAR },
# endif /* VSTOP */
# if defined(VWERASE)
{ "werase", C_SH(C_WERASE), M_CHAR },
# endif /* VWERASE */
# if defined(VSUSP)
{ "susp", C_SH(C_SUSP), M_CHAR },
# endif /* VSUSP */
# if defined(VDSUSP)
{ "dsusp", C_SH(C_DSUSP), M_CHAR },
# endif /* VDSUSP */
# if defined(VREPRINT)
{ "reprint", C_SH(C_REPRINT),M_CHAR },
# endif /* VREPRINT */
# if defined(VDISCARD)
{ "discard", C_SH(C_DISCARD),M_CHAR },
# endif /* VDISCARD */
# if defined(VLNEXT)
{ "lnext", C_SH(C_LNEXT), M_CHAR },
# endif /* VLNEXT */
# if defined(VSTATUS)
{ "status", C_SH(C_STATUS), M_CHAR },
# endif /* VSTATUS */
# if defined(VPAGE)
{ "page", C_SH(C_PAGE), M_CHAR },
# endif /* VPAGE */
# if defined(VPGOFF)
{ "pgoff", C_SH(C_PGOFF), M_CHAR },
# endif /* VPGOFF */
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# if defined(VKILL2)
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{ "kill2", C_SH(C_KILL2), M_CHAR },
# endif /* VKILL2 */
# if defined(VBRK)
{ "brk", C_SH(C_BRK), M_CHAR },
# endif /* VBRK */
# if defined(VMIN)
{ "min", C_SH(C_MIN), M_CHAR },
# endif /* VMIN */
# if defined(VTIME)
{ "time", C_SH(C_TIME), M_CHAR },
# endif /* VTIME */
{ NULL, 0, -1 },
};
#define tty_getty(el, td) tcgetattr((el)->el_infd, (td))
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#define tty_setty(el, td) tcsetattr((el)->el_infd, TCSADRAIN, (td))
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#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 void tty__getchar __P((struct termios *, unsigned char *));
private void tty__setchar __P((struct termios *, unsigned char *));
private speed_t tty__getspeed __P((struct termios *));
private int tty_setup __P((EditLine *));
#define t_qu t_ts
/* tty_setup():
* Get the tty parameters and initialize the editing state
*/
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private int
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tty_setup(el)
EditLine *el;
{
int rst = 1;
if (tty_getty(el, &el->el_tty.t_ed) == -1) {
#ifdef DEBUG_TTY
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(void) fprintf(el->el_errfile,
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"tty_setup: tty_getty: %s\n", 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_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][M_INP].t_clrmask;
el->el_tty.t_ex.c_iflag |= el->el_tty.t_t[EX_IO][M_INP].t_setmask;
el->el_tty.t_ex.c_oflag &= ~el->el_tty.t_t[EX_IO][M_OUT].t_clrmask;
el->el_tty.t_ex.c_oflag |= el->el_tty.t_t[EX_IO][M_OUT].t_setmask;
el->el_tty.t_ex.c_cflag &= ~el->el_tty.t_t[EX_IO][M_CTL].t_clrmask;
el->el_tty.t_ex.c_cflag |= el->el_tty.t_t[EX_IO][M_CTL].t_setmask;
el->el_tty.t_ex.c_lflag &= ~el->el_tty.t_t[EX_IO][M_LIN].t_clrmask;
el->el_tty.t_ex.c_lflag |= el->el_tty.t_t[EX_IO][M_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_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, &el->el_tty.t_ex) == -1) {
#ifdef DEBUG_TTY
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(void) fprintf(el->el_errfile, "tty_setup: tty_setty: %s\n",
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strerror(errno));
#endif /* DEBUG_TTY */
return(-1);
}
}
else
tty__setchar(&el->el_tty.t_ex, el->el_tty.t_c[EX_IO]);
el->el_tty.t_ed.c_iflag &= ~el->el_tty.t_t[ED_IO][M_INP].t_clrmask;
el->el_tty.t_ed.c_iflag |= el->el_tty.t_t[ED_IO][M_INP].t_setmask;
el->el_tty.t_ed.c_oflag &= ~el->el_tty.t_t[ED_IO][M_OUT].t_clrmask;
el->el_tty.t_ed.c_oflag |= el->el_tty.t_t[ED_IO][M_OUT].t_setmask;
el->el_tty.t_ed.c_cflag &= ~el->el_tty.t_t[ED_IO][M_CTL].t_clrmask;
el->el_tty.t_ed.c_cflag |= el->el_tty.t_t[ED_IO][M_CTL].t_setmask;
el->el_tty.t_ed.c_lflag &= ~el->el_tty.t_t[ED_IO][M_LIN].t_clrmask;
el->el_tty.t_ed.c_lflag |= el->el_tty.t_t[ED_IO][M_LIN].t_setmask;
tty__setchar(&el->el_tty.t_ed, el->el_tty.t_c[ED_IO]);
return 0;
}
protected int
tty_init(el)
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);
} /* end tty_init */
/* tty_end():
* Restore the tty to its original settings
*/
protected void
/*ARGSUSED*/
tty_end(el)
EditLine *el;
{
/* XXX: Maybe reset to an initial state? */
}
/* tty__getspeed():
* Get the tty speed
*/
private speed_t
tty__getspeed(td)
struct termios *td;
{
speed_t spd;
if ((spd = cfgetispeed(td)) == 0)
spd = cfgetospeed(td);
return spd;
} /* end tty__getspeed */
/* tty__getchar():
* Get the tty characters
*/
private void
tty__getchar(td, s)
struct termios *td;
unsigned char *s;
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{
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# 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(td, s)
struct termios *td;
unsigned char *s;
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{
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# 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(el, force)
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];
ttymap_t *tp;
el_action_t *dmap, *dalt, *map, *alt;
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 != -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 */
key_clear(el, map, old);
map[old[0]] = dmap[old[0]];
key_clear(el, map, new);
/* MAP_VI == 1, MAP_EMACS == 0... */
map[new[0]] = tp->bind[el->el_map.type];
if (dalt) {
key_clear(el, alt, old);
alt[old[0]] = dalt[old[0]];
key_clear(el, alt, new);
alt[new[0]] = tp->bind[el->el_map.type+1];
}
}
}
/* tty_rawmode():
* Set terminal into 1 character at a time mode.
*/
protected int
tty_rawmode(el)
EditLine *el;
{
Don't swap carriage return and new line in quoted mode (after ^V).
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if (el->el_tty.t_mode == ED_IO || el->el_tty.t_mode == QU_IO)
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return (0);
if (tty_getty(el, &el->el_tty.t_ts) == -1) {
#ifdef DEBUG_TTY
(void) fprintf(el->el_errfile, "tty_rawmode: tty_getty: %s\n", strerror(errno));
#endif /* DEBUG_TTY */
return(-1);
}
/*
* We always keep up with the eight bit setting and the speed of the
* tty. But only we only believe changes that are made to cooked mode!
*/
el->el_tty.t_eight = tty__geteightbit(&el->el_tty.t_ts);
el->el_tty.t_speed = tty__getspeed(&el->el_tty.t_ts);
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if (tty__getspeed(&el->el_tty.t_ex) != el->el_tty.t_speed ||
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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)) {
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if (el->el_tty.t_ts.c_cflag != el->el_tty.t_ex.c_cflag) {
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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][M_CTL].t_clrmask;
el->el_tty.t_ex.c_cflag |= el->el_tty.t_t[EX_IO][M_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][M_CTL].t_clrmask;
el->el_tty.t_ed.c_cflag |= el->el_tty.t_t[ED_IO][M_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][M_LIN].t_clrmask;
el->el_tty.t_ex.c_lflag |= el->el_tty.t_t[EX_IO][M_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][M_LIN].t_clrmask;
el->el_tty.t_ed.c_lflag |= el->el_tty.t_t[ED_IO][M_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][M_INP].t_clrmask;
el->el_tty.t_ex.c_iflag |= el->el_tty.t_t[EX_IO][M_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][M_INP].t_clrmask;
el->el_tty.t_ed.c_iflag |= el->el_tty.t_t[ED_IO][M_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][M_OUT].t_clrmask;
el->el_tty.t_ex.c_oflag |= el->el_tty.t_t[EX_IO][M_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][M_OUT].t_clrmask;
el->el_tty.t_ed.c_oflag |= el->el_tty.t_t[ED_IO][M_OUT].t_setmask;
}
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if (tty__gettabs(&el->el_tty.t_ex) == 0)
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el->el_tty.t_tabs = 0;
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else
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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;
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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][M_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][M_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][M_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][M_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, &el->el_tty.t_ed) == -1) {
#ifdef DEBUG_TTY
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(void) fprintf(el->el_errfile, "tty_rawmode: tty_setty: %s\n",
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strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = ED_IO;
return (0);
} /* end tty_rawmode */
/* tty_cookedmode():
* Set the tty back to normal mode
*/
protected int
tty_cookedmode(el)
EditLine *el;
{ /* set tty in normal setup */
if (el->el_tty.t_mode == EX_IO)
return (0);
if (tty_setty(el, &el->el_tty.t_ex) == -1) {
#ifdef DEBUG_TTY
Remove trailing whitespace.
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(void) fprintf(el->el_errfile, "tty_cookedmode: tty_setty: %s\n",
BSD 4.4 Lite Lib Sources
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strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = EX_IO;
return (0);
} /* end tty_cookedmode */
/* tty_quotemode():
* Turn on quote mode
*/
protected int
tty_quotemode(el)
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][M_INP].t_clrmask;
el->el_tty.t_qu.c_iflag |= el->el_tty.t_t[QU_IO][M_INP].t_setmask;
el->el_tty.t_qu.c_oflag &= ~el->el_tty.t_t[QU_IO][M_OUT].t_clrmask;
el->el_tty.t_qu.c_oflag |= el->el_tty.t_t[QU_IO][M_OUT].t_setmask;
el->el_tty.t_qu.c_cflag &= ~el->el_tty.t_t[QU_IO][M_CTL].t_clrmask;
el->el_tty.t_qu.c_cflag |= el->el_tty.t_t[QU_IO][M_CTL].t_setmask;
el->el_tty.t_qu.c_lflag &= ~el->el_tty.t_t[QU_IO][M_LIN].t_clrmask;
el->el_tty.t_qu.c_lflag |= el->el_tty.t_t[QU_IO][M_LIN].t_setmask;
if (tty_setty(el, &el->el_tty.t_qu) == -1) {
#ifdef DEBUG_TTY
Remove trailing whitespace.
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(void) fprintf(el->el_errfile, "QuoteModeOn: tty_setty: %s\n",
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strerror(errno));
#endif /* DEBUG_TTY */
return -1;
}
el->el_tty.t_mode = QU_IO;
return 0;
} /* end tty_quotemode */
/* tty_noquotemode():
* Turn off quote mode
*/
protected int
tty_noquotemode(el)
EditLine *el;
{
if (el->el_tty.t_mode != QU_IO)
return 0;
if (tty_setty(el, &el->el_tty.t_ed) == -1) {
#ifdef DEBUG_TTY
Remove trailing whitespace.
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(void) fprintf(el->el_errfile, "QuoteModeOff: tty_setty: %s\n",
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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(el, argc, argv)
EditLine *el;
int argc;
char **argv;
{
ttymodes_t *m;
char x, *d;
int aflag = 0;
char *s;
char *name;
int z = EX_IO;
if (argv == NULL)
return -1;
name = *argv++;
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while (argv && *argv && argv[0][0] == '-' && argv[0][2] == '\0')
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switch (argv[0][1]) {
case 'a':
aflag++;
argv++;
break;
case 'd':
argv++;
z = ED_IO;
break;
case 'x':
argv++;
z = EX_IO;
break;
case 'q':
argv++;
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;
int len = 0, st = 0, cu;
for (m = ttymodes; m->m_name; m++) {
if (m->m_type != i) {
Remove trailing whitespace.
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(void) fprintf(el->el_outfile, "%s%s", i != -1 ? "\n" : "",
BSD 4.4 Lite Lib Sources
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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);
}
x = (el->el_tty.t_t[z][i].t_setmask & m->m_value) ? '+' : '\0';
x = (el->el_tty.t_t[z][i].t_clrmask & m->m_value) ? '-' : x;
if (x != '\0' || aflag) {
cu = strlen(m->m_name) + (x != '\0') + 1;
if (len + cu >= el->el_term.t_size.h) {
(void) fprintf(el->el_outfile, "\n%*s", st, "");
len = st + cu;
}
Remove trailing whitespace.
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else
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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++)) {
switch (*s) {
case '+':
case '-':
x = *s++;
break;
default:
x = '\0';
break;
}
d = s;
for (m = ttymodes; m->m_name; m++)
if (strcmp(m->m_name, d) == 0)
break;
if (!m->m_name) {
(void) fprintf(el->el_errfile, "%s: Invalid argument `%s'.\n",
name, d);
return -1;
}
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;
}
}
return 0;
} /* end tty_stty */
#ifdef notyet
/* tty_printchar():
* DEbugging routine to print the tty characters
*/
private void
tty_printchar(el, s)
EditLine *el;
unsigned char *s;
{
ttyperm_t *m;
int i;
for (i = 0; i < C_NCC; i++) {
Remove trailing whitespace.
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for (m = el->el_tty.t_t; m->m_name; m++)
BSD 4.4 Lite Lib Sources
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if (m->m_type == M_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");
}
Remove trailing whitespace.
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(void) fprintf(el->el_errfile, "\n");
BSD 4.4 Lite Lib Sources
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}
#endif /* notyet */
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