/*- * Copyright (c) 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 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. * * @(#)key.c 8.3 (Berkeley) 4/2/94 * $FreeBSD: src/bin/stty/key.c,v 1.11.2.2 2001/10/15 13:45:05 dd Exp $ * $DragonFly: src/bin/stty/key.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $ */ #include #include #include #include #include #include #include "stty.h" #include "extern.h" __BEGIN_DECLS static int c_key (const void *, const void *); void f_all (struct info *); void f_cbreak (struct info *); void f_columns (struct info *); void f_dec (struct info *); void f_ek (struct info *); void f_everything (struct info *); void f_extproc (struct info *); void f_ispeed (struct info *); void f_nl (struct info *); void f_ospeed (struct info *); void f_raw (struct info *); void f_rows (struct info *); void f_sane (struct info *); void f_size (struct info *); void f_speed (struct info *); void f_tty (struct info *); __END_DECLS static struct key { const char *name; /* name */ void (*f) (struct info *); /* function */ #define F_NEEDARG 0x01 /* needs an argument */ #define F_OFFOK 0x02 /* can turn off */ int flags; } keys[] = { { "all", f_all, 0 }, { "cbreak", f_cbreak, F_OFFOK }, { "cols", f_columns, F_NEEDARG }, { "columns", f_columns, F_NEEDARG }, { "cooked", f_sane, 0 }, { "dec", f_dec, 0 }, { "ek", f_ek, 0 }, { "everything", f_everything, 0 }, { "extproc", f_extproc, F_OFFOK }, { "ispeed", f_ispeed, F_NEEDARG }, { "new", f_tty, 0 }, { "nl", f_nl, F_OFFOK }, { "old", f_tty, 0 }, { "ospeed", f_ospeed, F_NEEDARG }, { "raw", f_raw, F_OFFOK }, { "rows", f_rows, F_NEEDARG }, { "sane", f_sane, 0 }, { "size", f_size, 0 }, { "speed", f_speed, 0 }, { "tty", f_tty, 0 }, }; static int c_key(const void *a, const void *b) { return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name)); } int ksearch(char ***argvp, struct info *ip) { char *name; struct key *kp, tmp; name = **argvp; if (*name == '-') { ip->off = 1; ++name; } else ip->off = 0; tmp.name = name; if (!(kp = (struct key *)bsearch(&tmp, keys, sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) return (0); if (!(kp->flags & F_OFFOK) && ip->off) { warnx("illegal option -- -%s", name); usage(); } if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { warnx("option requires an argument -- %s", name); usage(); } kp->f(ip); return (1); } void f_all(struct info *ip) { print(&ip->t, &ip->win, ip->ldisc, BSD); } void f_cbreak(struct info *ip) { if (ip->off) f_sane(ip); else { ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; ip->t.c_oflag |= OPOST; ip->t.c_lflag |= ISIG|IEXTEN; ip->t.c_lflag &= ~ICANON; ip->set = 1; } } void f_columns(struct info *ip) { ip->win.ws_col = atoi(ip->arg); ip->wset = 1; } void f_dec(struct info *ip) { ip->t.c_cc[VERASE] = (u_char)0177; ip->t.c_cc[VKILL] = CTRL('u'); ip->t.c_cc[VINTR] = CTRL('c'); ip->t.c_lflag &= ~ECHOPRT; ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; ip->t.c_iflag &= ~IXANY; ip->set = 1; } void f_ek(struct info *ip) { ip->t.c_cc[VERASE] = CERASE; ip->t.c_cc[VKILL] = CKILL; ip->set = 1; } void f_everything(struct info *ip) { print(&ip->t, &ip->win, ip->ldisc, BSD); } void f_extproc(struct info *ip) { if (ip->off) { int tmp = 0; ioctl(ip->fd, TIOCEXT, &tmp); } else { int tmp = 1; ioctl(ip->fd, TIOCEXT, &tmp); } } void f_ispeed(struct info *ip) { cfsetispeed(&ip->t, (speed_t)atoi(ip->arg)); ip->set = 1; } void f_nl(struct info *ip) { if (ip->off) { ip->t.c_iflag |= ICRNL; ip->t.c_oflag |= ONLCR; } else { ip->t.c_iflag &= ~ICRNL; ip->t.c_oflag &= ~ONLCR; } ip->set = 1; } void f_ospeed(struct info *ip) { cfsetospeed(&ip->t, (speed_t)atoi(ip->arg)); ip->set = 1; } void f_raw(struct info *ip) { if (ip->off) f_sane(ip); else { cfmakeraw(&ip->t); ip->t.c_cflag &= ~(CSIZE|PARENB); ip->t.c_cflag |= CS8; ip->set = 1; } } void f_rows(struct info *ip) { ip->win.ws_row = atoi(ip->arg); ip->wset = 1; } void f_sane(struct info *ip) { ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & CLOCAL); ip->t.c_iflag = TTYDEF_IFLAG; ip->t.c_iflag |= ICRNL; /* preserve user-preference flags in lflag */ #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); ip->t.c_oflag = TTYDEF_OFLAG; ip->set = 1; } void f_size(struct info *ip) { printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); } void f_speed(struct info *ip) { printf("%lu\n", (u_long)cfgetospeed(&ip->t)); } void f_tty(struct info *ip) { int tmp; tmp = TTYDISC; if (ioctl(ip->fd, TIOCSETD, &tmp) < 0) err(1, "TIOCSETD"); }