From ec2404975169d81f6443814415cba36d01d91cb6 Mon Sep 17 00:00:00 2001 From: davidovski Date: Sun, 15 May 2022 15:41:14 +0100 Subject: initial commit --- README | 6 + cchar.c | 141 +++++++++++++++ extern.h | 49 +++++ gfmt.c | 129 ++++++++++++++ key.c | 293 ++++++++++++++++++++++++++++++ meson.build | 22 +++ modes.c | 291 ++++++++++++++++++++++++++++++ print.c | 284 +++++++++++++++++++++++++++++ stty.1 | 585 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ stty.c | 162 +++++++++++++++++ stty.h | 82 +++++++++ util.c | 66 +++++++ 12 files changed, 2110 insertions(+) create mode 100644 README create mode 100644 cchar.c create mode 100644 extern.h create mode 100644 gfmt.c create mode 100644 key.c create mode 100644 meson.build create mode 100644 modes.c create mode 100644 print.c create mode 100644 stty.1 create mode 100644 stty.c create mode 100644 stty.h create mode 100644 util.c diff --git a/README b/README new file mode 100644 index 0000000..f4af005 --- /dev/null +++ b/README @@ -0,0 +1,6 @@ +# stty + +stty ported from [stty](https://opensource.apple.com/source/adv_cmds/adv_cmds-176/stty/) for linux + +## why? +why not diff --git a/cchar.c b/cchar.c new file mode 100644 index 0000000..9fdd5f2 --- /dev/null +++ b/cchar.c @@ -0,0 +1,141 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)cchar.c 8.5 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +static int c_cchar(const void *, const void *); + +/* + * Special control characters. + * + * Cchars1 are the standard names, cchars2 are the old aliases. + * The first are displayed, but both are recognized on the + * command line. + */ +struct cchar cchars1[] = { + { "discard", VDISCARD, CDISCARD }, + { "dsusp", VDSUSP, CDSUSP }, + { "eof", VEOF, CEOF }, + { "eol", VEOL, CEOL }, + { "eol2", VEOL2, CEOL }, + { "erase", VERASE, CERASE }, + { "intr", VINTR, CINTR }, + { "kill", VKILL, CKILL }, + { "lnext", VLNEXT, CLNEXT }, + { "min", VMIN, CMIN }, + { "quit", VQUIT, CQUIT }, + { "reprint", VREPRINT, CREPRINT }, + { "start", VSTART, CSTART }, + { "status", VSTATUS, CSTATUS }, + { "stop", VSTOP, CSTOP }, + { "susp", VSUSP, CSUSP }, + { "time", VTIME, CTIME }, + { "werase", VWERASE, CWERASE }, + { NULL, 0, 0}, +}; + +struct cchar cchars2[] = { + { "brk", VEOL, CEOL }, + { "flush", VDISCARD, CDISCARD }, + { "rprnt", VREPRINT, CREPRINT }, + { NULL, 0, 0 }, +}; + +static int +c_cchar(const void *a, const void *b) +{ + + return (strcmp(((const struct cchar *)a)->name, ((const struct cchar *)b)->name)); +} + +int +csearch(char ***argvp, struct info *ip) +{ + struct cchar *cp, tmp; + long val; + char *arg, *ep, *name; + + name = **argvp; + + tmp.name = name; + if (!(cp = (struct cchar *)bsearch(&tmp, cchars1, + sizeof(cchars1)/sizeof(struct cchar) - 1, sizeof(struct cchar), + c_cchar)) && !(cp = (struct cchar *)bsearch(&tmp, cchars2, + sizeof(cchars2)/sizeof(struct cchar) - 1, sizeof(struct cchar), + c_cchar))) + return (0); + + arg = *++*argvp; + if (!arg) { + warnx("option requires an argument -- %s", name); + usage(); + } + +#define CHK(s) (*arg == s[0] && !strcmp(arg, s)) + if (CHK("undef") || CHK("")) + ip->t.c_cc[cp->sub] = _POSIX_VDISABLE; + else if (cp->sub == VMIN || cp->sub == VTIME) { + val = strtol(arg, &ep, 10); + if (val > UCHAR_MAX) { + warnx("maximum option value is %d -- %s", + UCHAR_MAX, name); + usage(); + } + if (*ep != '\0') { + warnx("option requires a numeric argument -- %s", name); + usage(); + } + ip->t.c_cc[cp->sub] = val; + } else if (arg[0] == '^') + ip->t.c_cc[cp->sub] = (arg[1] == '?') ? 0177 : + (arg[1] == '-') ? _POSIX_VDISABLE : arg[1] & 037; + else + ip->t.c_cc[cp->sub] = arg[0]; + ip->set = 1; + return (1); +} diff --git a/extern.h b/extern.h new file mode 100644 index 0000000..193142a --- /dev/null +++ b/extern.h @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 1991, 1993 + * 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. + * + * @(#)extern.h 8.1 (Berkeley) 5/31/93 + * $FreeBSD: src/bin/stty/extern.h,v 1.9 2002/02/02 06:50:56 imp Exp $ + */ + +int c_cchars(const void *, const void *); +int c_modes(const void *, const void *); +int csearch(char ***, struct info *); +void checkredirect(void); +void gprint(struct termios *, struct winsize *, int); +void gread(struct termios *, char *); +int ksearch(char ***, struct info *); +int msearch(char ***, struct info *); +void optlist(void); +void print(struct termios *, struct winsize *, int, enum FMT); +void usage(void); + +extern struct cchar cchars1[], cchars2[]; diff --git a/gfmt.c b/gfmt.c new file mode 100644 index 0000000..e7d519c --- /dev/null +++ b/gfmt.c @@ -0,0 +1,129 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)gfmt.c 8.6 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include + +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +static void gerr(const char *s); + +static void +gerr(const char *s) +{ + if (s) + errx(1, "illegal gfmt1 option -- %s", s); + else + errx(1, "illegal gfmt1 option"); +} + +void +gprint(struct termios *tp, struct winsize *wp, int ldisc) +{ + struct cchar *cp; + + (void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:", + (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag, + (u_long)tp->c_oflag); + for (cp = cchars1; cp->name; ++cp) + (void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]); + (void)printf("ispeed=%lu:ospeed=%lu\n", + (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp)); +} + +void +gread(struct termios *tp, char *s) +{ + struct cchar *cp; + char *ep, *p; + long tmp; + + if ((s = strchr(s, ':')) == NULL) + gerr(NULL); + for (++s; s != NULL;) { + p = strsep(&s, ":\0"); + if (!p || !*p) + break; + if (!(ep = strchr(p, '='))) + gerr(p); + *ep++ = '\0'; + (void)sscanf(ep, "%lx", &tmp); + +#define CHK(s) (*p == s[0] && !strcmp(p, s)) + if (CHK("cflag")) { + tp->c_cflag = tmp; + continue; + } + if (CHK("iflag")) { + tp->c_iflag = tmp; + continue; + } + if (CHK("ispeed")) { + (void)sscanf(ep, "%ld", &tmp); + tp->__c_ispeed = tmp; + continue; + } + if (CHK("lflag")) { + tp->c_lflag = tmp; + continue; + } + if (CHK("oflag")) { + tp->c_oflag = tmp; + continue; + } + if (CHK("ospeed")) { + (void)sscanf(ep, "%ld", &tmp); + tp->__c_ospeed = tmp; + continue; + } + for (cp = cchars1; cp->name != NULL; ++cp) + if (CHK(cp->name)) { + if (cp->sub == VMIN || cp->sub == VTIME) + (void)sscanf(ep, "%ld", &tmp); + tp->c_cc[cp->sub] = tmp; + break; + } + if (cp->name == NULL) + gerr(p); + } +} diff --git a/key.c b/key.c new file mode 100644 index 0000000..ccb4880 --- /dev/null +++ b/key.c @@ -0,0 +1,293 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)key.c 8.3 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +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 *); + +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; + (void)ioctl(ip->fd, TIOCEXT, &tmp); + } else { + int tmp = 1; + (void)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) +{ + + (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); +} + +void +f_speed(struct info *ip) +{ + + (void)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"); +} diff --git a/meson.build b/meson.build new file mode 100644 index 0000000..fb8800b --- /dev/null +++ b/meson.build @@ -0,0 +1,22 @@ +project('stty', 'c') + +sources = files(''' +cchar.c +extern.h +gfmt.c +key.c +modes.c +print.c +stty.c +stty.h +util.c + '''.split()) + +executable('stty', sources, install : true) + +install_headers('extern.h', subdir : 'stty') +install_headers('stty.h', subdir : 'stty') + +install_man('stty.1') + + diff --git a/modes.c b/modes.c new file mode 100644 index 0000000..684401a --- /dev/null +++ b/modes.c @@ -0,0 +1,291 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)modes.c 8.3 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include +#include +#include "stty.h" + +#define COMPAT_MODE(a,b) (1) + +int msearch(char ***, struct info *); + +struct modes { + const char *name; + long set; + long unset; +}; + +/* + * The code in optlist() depends on minus options following regular + * options, i.e. "foo" must immediately precede "-foo". + */ +struct modes cmodes[] = { + { "cs5", CS5, CSIZE }, + { "cs6", CS6, CSIZE }, + { "cs7", CS7, CSIZE }, + { "cs8", CS8, CSIZE }, + { "cstopb", CSTOPB, 0 }, + { "-cstopb", 0, CSTOPB }, + { "cread", CREAD, 0 }, + { "-cread", 0, CREAD }, + { "parenb", PARENB, 0 }, + { "-parenb", 0, PARENB }, + { "parodd", PARODD, 0 }, + { "-parodd", 0, PARODD }, + { "parity", PARENB | CS7, PARODD | CSIZE }, + { "-parity", CS8, PARODD | PARENB | CSIZE }, + { "evenp", PARENB | CS7, PARODD | CSIZE }, + { "-evenp", CS8, PARODD | PARENB | CSIZE }, + { "oddp", PARENB | CS7 | PARODD, CSIZE }, + { "-oddp", CS8, PARODD | PARENB | CSIZE }, + { "pass8", CS8, PARODD | PARENB | CSIZE }, + { "-pass8", PARENB | CS7, PARODD | CSIZE }, + { "hupcl", HUPCL, 0 }, + { "-hupcl", 0, HUPCL }, + { "hup", HUPCL, 0 }, + { "-hup", 0, HUPCL }, + { "clocal", CLOCAL, 0 }, + { "-clocal", 0, CLOCAL }, + { "crtscts", CRTSCTS, 0 }, + { "-crtscts", 0, CRTSCTS }, + { "ctsflow", CCTS_OFLOW, 0 }, + { "-ctsflow", 0, CCTS_OFLOW }, + { "dsrflow", CDSR_OFLOW, 0 }, + { "-dsrflow", 0, CDSR_OFLOW }, + { "dtrflow", CDTR_IFLOW, 0 }, + { "-dtrflow", 0, CDTR_IFLOW }, + { "rtsflow", CRTS_IFLOW, 0 }, + { "-rtsflow", 0, CRTS_IFLOW }, + { "mdmbuf", MDMBUF, 0 }, + { "-mdmbuf", 0, MDMBUF }, + { NULL, 0, 0 }, +}; + +struct modes imodes[] = { + { "ignbrk", IGNBRK, 0 }, + { "-ignbrk", 0, IGNBRK }, + { "brkint", BRKINT, 0 }, + { "-brkint", 0, BRKINT }, + { "ignpar", IGNPAR, 0 }, + { "-ignpar", 0, IGNPAR }, + { "parmrk", PARMRK, 0 }, + { "-parmrk", 0, PARMRK }, + { "inpck", INPCK, 0 }, + { "-inpck", 0, INPCK }, + { "istrip", ISTRIP, 0 }, + { "-istrip", 0, ISTRIP }, + { "inlcr", INLCR, 0 }, + { "-inlcr", 0, INLCR }, + { "igncr", IGNCR, 0 }, + { "-igncr", 0, IGNCR }, + { "icrnl", ICRNL, 0 }, + { "-icrnl", 0, ICRNL }, + { "ixon", IXON, 0 }, + { "-ixon", 0, IXON }, + { "flow", IXON, 0 }, + { "-flow", 0, IXON }, + { "ixoff", IXOFF, 0 }, + { "-ixoff", 0, IXOFF }, + { "tandem", IXOFF, 0 }, + { "-tandem", 0, IXOFF }, + { "ixany", IXANY, 0 }, + { "-ixany", 0, IXANY }, + { "decctlq", 0, IXANY }, + { "-decctlq", IXANY, 0 }, + { "imaxbel", IMAXBEL, 0 }, + { "-imaxbel", 0, IMAXBEL }, + { "iutf8", IUTF8, 0 }, + { "-iutf8", 0, IUTF8 }, + { NULL, 0, 0 }, +}; + +struct modes lmodes[] = { + { "echo", ECHO, 0 }, + { "-echo", 0, ECHO }, + { "echoe", ECHOE, 0 }, + { "-echoe", 0, ECHOE }, + { "crterase", ECHOE, 0 }, + { "-crterase", 0, ECHOE }, + { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */ + { "-crtbs", 0, ECHOE }, + { "echok", ECHOK, 0 }, + { "-echok", 0, ECHOK }, + { "echoke", ECHOKE, 0 }, + { "-echoke", 0, ECHOKE }, + { "crtkill", ECHOKE, 0 }, + { "-crtkill", 0, ECHOKE }, + { "altwerase", ALTWERASE, 0 }, + { "-altwerase", 0, ALTWERASE }, + { "iexten", IEXTEN, 0 }, + { "-iexten", 0, IEXTEN }, + { "echonl", ECHONL, 0 }, + { "-echonl", 0, ECHONL }, + { "echoctl", ECHOCTL, 0 }, + { "-echoctl", 0, ECHOCTL }, + { "ctlecho", ECHOCTL, 0 }, + { "-ctlecho", 0, ECHOCTL }, + { "echoprt", ECHOPRT, 0 }, + { "-echoprt", 0, ECHOPRT }, + { "prterase", ECHOPRT, 0 }, + { "-prterase", 0, ECHOPRT }, + { "isig", ISIG, 0 }, + { "-isig", 0, ISIG }, + { "icanon", ICANON, 0 }, + { "-icanon", 0, ICANON }, + { "noflsh", NOFLSH, 0 }, + { "-noflsh", 0, NOFLSH }, + { "tostop", TOSTOP, 0 }, + { "-tostop", 0, TOSTOP }, + { "flusho", FLUSHO, 0 }, + { "-flusho", 0, FLUSHO }, + { "pendin", PENDIN, 0 }, + { "-pendin", 0, PENDIN }, + { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT }, + { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL }, + { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT }, + { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL }, + { "nokerninfo", NOKERNINFO, 0 }, + { "-nokerninfo",0, NOKERNINFO }, + { "kerninfo", 0, NOKERNINFO }, + { "-kerninfo", NOKERNINFO, 0 }, + { NULL, 0, 0 }, +}; + +struct modes omodes[] = { + { "opost", OPOST, 0 }, + { "-opost", 0, OPOST }, + { "litout", 0, OPOST }, + { "-litout", OPOST, 0 }, + { "onlcr", ONLCR, 0 }, + { "-onlcr", 0, ONLCR }, + { "tabs", 0, OXTABS }, /* "preserve" tabs */ + { "-tabs", OXTABS, 0 }, + { "oxtabs", OXTABS, 0 }, + { "-oxtabs", 0, OXTABS }, + { NULL, 0, 0 }, +}; + +struct modes umodes[] = { /* For Unix conformance only */ + { "ocrnl", OCRNL, 0 }, + { "-ocrnl", 0, OCRNL }, + { "onocr", ONOCR, 0 }, + { "-onocr", 0, ONOCR }, + { "onlret", ONLRET, 0 }, + { "-onlret", 0, ONLRET }, + + { "ofill", OFILL, 0 }, + { "-ofill", 0, OFILL }, + + { "ofdel", OFDEL, 0 }, + { "-ofdel", 0, OFDEL }, + + { "bs0", BS0, 0 }, + { "bs1", BS1, 0 }, + + { "cr0", CR0, 0 }, + { "cr1", CR1, 0 }, + { "cr2", CR2, 0 }, + { "cr3", CR3, 0 }, + + { "ff0", FF0, 0 }, + { "ff1", FF1, 0 }, + + { "nl0", NL0, 0 }, + { "nl1", NL1, 0 }, + + { "tab0", TAB0, 0 }, + { "tab1", TAB1, 0 }, + { "tab2", TAB2, 0 }, + { "tab3", TAB3, 0 }, + + { "vt0", VT0, 0 }, + { "vt1", VT1, 0 }, + + { NULL, 0, 0 }, +}; + +#define CHK(s) (*name == s[0] && !strcmp(name, s)) + +int +msearch(char ***argvp, struct info *ip) +{ + struct modes *mp; + char *name; + + name = **argvp; + + for (mp = cmodes; mp->name; ++mp) + if (CHK(mp->name)) { + ip->t.c_cflag &= ~mp->unset; + ip->t.c_cflag |= mp->set; + ip->set = 1; + return (1); + } + for (mp = imodes; mp->name; ++mp) + if (CHK(mp->name)) { + ip->t.c_iflag &= ~mp->unset; + ip->t.c_iflag |= mp->set; + ip->set = 1; + return (1); + } + for (mp = lmodes; mp->name; ++mp) + if (CHK(mp->name)) { + ip->t.c_lflag &= ~mp->unset; + ip->t.c_lflag |= mp->set; + ip->set = 1; + return (1); + } + for (mp = omodes; mp->name; ++mp) + if (CHK(mp->name)) { + ip->t.c_oflag &= ~mp->unset; + ip->t.c_oflag |= mp->set; + ip->set = 1; + return (1); + } + if (COMPAT_MODE("bin/stty", "Unix2003")) { + for (mp = umodes; mp->name; ++mp) + if (CHK(mp->name)) { + ip->t.c_oflag &= ~mp->unset; + ip->t.c_oflag |= mp->set; + ip->set = 1; + return (1); + } + } + return (0); +} diff --git a/print.c b/print.c new file mode 100644 index 0000000..45a5275 --- /dev/null +++ b/print.c @@ -0,0 +1,284 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94"; +#endif +#endif /* not lint */ + +#include +#include +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +#include /* XXX NTTYDISC is too well hidden */ + +static void binit(const char *); +static void bput(const char *); +static const char *ccval(struct cchar *, int); + +void +print(struct termios *tp, struct winsize *wp, int ldisc, enum FMT fmt) +{ + struct cchar *p; + long tmp; + u_char *cc; + int cnt, ispeed, ospeed; + char buf1[100], buf2[100]; + + cnt = 0; + + /* Line discipline. */ + if (ldisc != TTYDISC) { + switch(ldisc) { + case NTTYDISC: + cnt += printf("new tty disc; "); + break; + case SLIPDISC: + cnt += printf("slip disc; "); + break; + case PPPDISC: + cnt += printf("ppp disc; "); + break; + default: + cnt += printf("#%d disc; ", ldisc); + break; + } + } + + /* Line speed. */ + ispeed = cfgetispeed(tp); + ospeed = cfgetospeed(tp); + if (ispeed != ospeed) + cnt += + printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); + else + cnt += printf("speed %d baud;", ispeed); + if (fmt >= BSD) + cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); + if (cnt) + (void)printf("\n"); + +#define on(f) ((tmp & (f)) != 0) +#define put(n, f, d) \ + if (fmt >= BSD || on(f) != (d)) \ + bput((n) + on(f)); + + /* "local" flags */ + tmp = tp->c_lflag; + binit("lflags"); + put("-icanon", ICANON, 1); + put("-isig", ISIG, 1); + put("-iexten", IEXTEN, 1); + put("-echo", ECHO, 1); + put("-echoe", ECHOE, 0); + put("-echok", ECHOK, 0); + put("-echoke", ECHOKE, 0); + put("-echonl", ECHONL, 0); + put("-echoctl", ECHOCTL, 0); + put("-echoprt", ECHOPRT, 0); + put("-altwerase", ALTWERASE, 0); + put("-noflsh", NOFLSH, 0); + put("-tostop", TOSTOP, 0); + put("-flusho", FLUSHO, 0); + put("-pendin", PENDIN, 0); + put("-nokerninfo", NOKERNINFO, 0); + put("-extproc", EXTPROC, 0); + + /* input flags */ + tmp = tp->c_iflag; + binit("iflags"); + put("-istrip", ISTRIP, 0); + put("-icrnl", ICRNL, 1); + put("-inlcr", INLCR, 0); + put("-igncr", IGNCR, 0); + put("-ixon", IXON, 1); + put("-ixoff", IXOFF, 0); + put("-ixany", IXANY, 1); + put("-imaxbel", IMAXBEL, 1); + put("-iutf8", IUTF8, 0); + put("-ignbrk", IGNBRK, 0); + put("-brkint", BRKINT, 1); + put("-inpck", INPCK, 0); + put("-ignpar", IGNPAR, 0); + put("-parmrk", PARMRK, 0); + + /* output flags */ + tmp = tp->c_oflag; + binit("oflags"); + put("-opost", OPOST, 1); + put("-onlcr", ONLCR, 1); +#ifndef __APPLE__ + put("-ocrnl", OCRNL, 0); +#endif + put("-oxtabs", OXTABS, 1); + put("-onocr", OXTABS, 0); + put("-onlret", OXTABS, 0); + + /* control flags (hardware state) */ + tmp = tp->c_cflag; + binit("cflags"); + put("-cread", CREAD, 1); + switch(tmp&CSIZE) { + case CS5: + bput("cs5"); + break; + case CS6: + bput("cs6"); + break; + case CS7: + bput("cs7"); + break; + case CS8: + bput("cs8"); + break; + } + bput("-parenb" + on(PARENB)); + put("-parodd", PARODD, 0); + put("-hupcl", HUPCL, 1); + put("-clocal", CLOCAL, 0); + put("-cstopb", CSTOPB, 0); + switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) { + case CCTS_OFLOW: + bput("ctsflow"); + break; + case CRTS_IFLOW: + bput("rtsflow"); + break; + default: + put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0); + break; + } + put("-dsrflow", CDSR_OFLOW, 0); + put("-dtrflow", CDTR_IFLOW, 0); + put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */ + + /* special control characters */ + cc = tp->c_cc; + if (fmt == POSIX) { + binit("cchars"); + for (p = cchars1; p->name; ++p) { + (void)snprintf(buf1, sizeof(buf1), "%s = %s;", + p->name, ccval(p, cc[p->sub])); + bput(buf1); + } + binit(NULL); + } else { + binit(NULL); + for (p = cchars1, cnt = 0; p->name; ++p) { + if (fmt != BSD && cc[p->sub] == p->def) + continue; +#define WD "%-8s" + (void)snprintf(buf1 + cnt * 8, sizeof(buf1) - cnt * 8, + WD, p->name); + (void)snprintf(buf2 + cnt * 8, sizeof(buf2) - cnt * 8, + WD, ccval(p, cc[p->sub])); + if (++cnt == LINELENGTH / 8) { + cnt = 0; + (void)printf("%s\n", buf1); + (void)printf("%s\n", buf2); + } + } + if (cnt) { + (void)printf("%s\n", buf1); + (void)printf("%s\n", buf2); + } + } +} + +static int col; +static const char *label; + +static void +binit(const char *lb) +{ + + if (col) { + (void)printf("\n"); + col = 0; + } + label = lb; +} + +static void +bput(const char *s) +{ + + if (col == 0) { + col = printf("%s: %s", label, s); + return; + } + if ((col + strlen(s)) > LINELENGTH) { + (void)printf("\n\t"); + col = printf("%s", s) + 8; + return; + } + col += printf(" %s", s); +} + +static const char * +ccval(struct cchar *p, int c) +{ + static char buf[5]; + char *bp; + + if (p->sub == VMIN || p->sub == VTIME) { + (void)snprintf(buf, sizeof(buf), "%d", c); + return (buf); + } + if (c == _POSIX_VDISABLE) + return (""); + bp = buf; + if (c & 0200) { + *bp++ = 'M'; + *bp++ = '-'; + c &= 0177; + } + if (c == 0177) { + *bp++ = '^'; + *bp++ = '?'; + } + else if (c < 040) { + *bp++ = '^'; + *bp++ = c + '@'; + } + else + *bp++ = c; + *bp = '\0'; + return (buf); +} diff --git a/stty.1 b/stty.1 new file mode 100644 index 0000000..ac2ab16 --- /dev/null +++ b/stty.1 @@ -0,0 +1,585 @@ +.\" Copyright (c) 1990, 1993, 1994 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" 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. +.\" +.\" @(#)stty.1 8.5 (Berkeley) 6/1/94 +.\" +.Dd June 1, 1994 +.Dt STTY 1 +.Os +.Sh NAME +.Nm stty +.Nd set the options for a terminal device interface +.Sh SYNOPSIS +.Nm stty +.Op Fl a | Fl e | Fl g +.Op Fl f Ar file +.Op operands +.Sh DESCRIPTION +The +.Nm stty +utility sets or reports on terminal +characteristics for the device that is its standard input. +If no options or operands are specified, it reports the settings of a subset +of characteristics as well as additional ones if they differ from their +default values. +Otherwise it modifies +the terminal state according to the specified arguments. +Some combinations of arguments are mutually +exclusive on some terminal types. +.Pp +The following options are available: +.Bl -tag -width Ds +.It Fl a +Display all the current settings for the terminal to standard output +as per +.St -p1003.2 . +.It Fl e +Display all the current settings for the terminal to standard output +in the traditional +.Tn BSD +``all'' and ``everything'' formats. +.It Fl f +Open and use the terminal named by +.Ar file +rather than using standard input. The file is opened +using the +.Dv O_NONBLOCK +flag of +.Fn open , +making it possible to +set or display settings on a terminal that might otherwise +block on the open. +.It Fl g +Display all the current settings for the terminal to standard output +in a form that may be used as an argument to a subsequent invocation of +.Nm stty +to restore the current terminal state as per +.St -p1003.2 . +.El +.Pp +The following arguments are available to set the terminal +characteristics: +.Ss Control Modes: +.Pp +Control mode flags affect hardware characteristics associated with the +terminal. This corresponds to the c_cflag in the termios structure. +.Bl -tag -width Fl +.It Cm parenb Pq Fl parenb +Enable (disable) parity generation +and detection. +.It Cm parodd Pq Fl parodd +Select odd (even) parity. +.It Cm cs5 cs6 cs7 cs8 +Select character size, if possible. +.It Ar number +Set terminal baud rate to the +number given, if possible. +If the +baud rate is set to zero, modem +control is no longer +asserted. +.It Cm ispeed Ar number +Set terminal input baud rate to the +number given, if possible. +If the +input baud rate is set to zero, the +input baud rate is set to the +value of the output baud +rate. +.It Cm ospeed Ar number +Set terminal output baud rate to +the number given, if possible. +If +the output baud rate is set to +zero, modem control is +no longer asserted. +.ne 1i +.It Cm speed Ar number +This sets both +.Cm ispeed +and +.Cm ospeed +to +.Ar number . +.It Cm hupcl Pq Fl hupcl +Stop asserting modem control +(do not stop asserting modem control) on last close. +.It Cm hup Pq Fl hup +Same as hupcl +.Pq Fl hupcl . +.It Cm cstopb Pq Fl cstopb +Use two (one) stop bits per character. +.It Cm cread Pq Fl cread +Enable (disable) the receiver. +.It Cm clocal Pq Fl clocal +Assume a line without (with) modem +control. +.It Cm crtscts Pq Fl crtscts +Enable RTS/CTS flow control. +.El +.Ss Input Modes: +This corresponds to the c_iflag in the termios structure. +.Bl -tag -width Fl +.It Cm ignbrk Pq Fl ignbrk +Ignore (do not ignore) break on +input. +.It Cm brkint Pq Fl brkint +Signal (do not signal) +.Dv INTR +on +break. +.It Cm ignpar Pq Fl ignpar +Ignore (do not ignore) parity +errors. +.It Cm parmrk Pq Fl parmrk +Mark (do not mark) parity errors. +.It Cm inpck Pq Fl inpck +Enable (disable) input parity +checking. +.It Cm istrip Pq Fl istrip +Strip (do not strip) input characters +to seven bits. +.It Cm inlcr Pq Fl inlcr +Map (do not map) +.Dv NL +to +.Dv CR +on input. +.It Cm igncr Pq Fl igncr +Ignore (do not ignore) +.Dv CR +on input. +.It Cm icrnl Pq Fl icrnl +Map (do not map) +.Dv CR +to +.Dv NL +on input. +.It Cm ixon Pq Fl ixon +Enable (disable) +.Dv START/STOP +output +control. +Output from the system is +stopped when the system receives +.Dv STOP +and started when the system +receives +.Dv START , +or if +.Cm ixany +is set, any character restarts output. +.ne 1i +.It Cm ixoff Pq Fl ixoff +Request that the system send (not +send) +.Dv START/STOP +characters when +the input queue is nearly +empty/full. +.It Cm ixany Pq Fl ixany +Allow any character (allow only +.Dv START ) +to restart output. +.It Cm imaxbel Pq Fl imaxbel +The system imposes a limit of +.Dv MAX_INPUT +(currently 255) characters in the input queue. If +.Cm imaxbel +is set and the input queue limit has been reached, +subsequent input causes the system to send an ASCII BEL +character to the output queue (the terminal beeps at you). Otherwise, +if +.Cm imaxbel +is unset and the input queue is full, the next input character causes +the entire input and output queues to be discarded. +.El +.Ss Output Modes: +This corresponds to the c_oflag of the termios structure. +.Bl -tag -width Fl +.It Cm opost Pq Fl opost +Post-process output (do not +post-process output; ignore all other +output modes). +.It Cm onlcr Pq Fl onlcr +Map (do not map) +.Dv NL +to +.DV CR-NL +on output. +.It Cm oxtabs Pq Fl oxtabs +Expand (do not expand) tabs to spaces on output. +.El +.Ss Local Modes: +.Pp +Local mode flags (lflags) affect various and sundry characteristics of terminal +processing. +Historically the term "local" pertained to new job control features +implemented by Jim Kulp on a +.Tn Pdp 11/70 +at +.Tn IIASA . +Later the driver ran on the first +.Tn VAX +at Evans Hall, UC Berkeley, where the job control details +were greatly modified but the structure definitions and names +remained essentially unchanged. +The second interpretation of the 'l' in lflag +is ``line discipline flag'' which corresponds to the +.Ar c_lflag +of the +.Ar termios +structure. +.Bl -tag -width Fl +.It Cm isig Pq Fl isig +Enable (disable) the checking of +characters against the special control +characters +.Dv INTR , QUIT , +and +.Dv SUSP . +.It Cm icanon Pq Fl icanon +Enable (disable) canonical input +.Pf ( Dv ERASE +and +.Dv KILL +processing). +.It Cm iexten Pq Fl iexten +Enable (disable) any implementation +defined special control characters +not currently controlled by icanon, +isig, or ixon. +.It Cm echo Pq Fl echo +Echo back (do not echo back) every +character typed. +.It Cm echoe Pq Fl echoe +The +.Dv ERASE +character shall (shall +not) visually erase the last character +in the current line from the +display, if possible. +.It Cm echok Pq Fl echok +Echo (do not echo) +.Dv NL +after +.Dv KILL +character. +.ne 1i +.It Cm echoke Pq Fl echoke +The +.Dv KILL +character shall (shall +not) visually erase the +the current line from the +display, if possible. +.It Cm echonl Pq Fl echonl +Echo (do not echo) +.Dv NL , +even if echo +is disabled. +.It Cm echoctl Pq Fl echoctl +If +.Cm echoctl +is set, echo control characters as ^X. Otherwise control characters +echo as themselves. +.It Cm echoprt Pq Fl echoprt +For printing terminals. If set, echo erased characters backwards within ``\\'' +and ``/''. Otherwise, disable this feature. +.It Cm noflsh Pq Fl noflsh +Disable (enable) flush after +.Dv INTR , QUIT , SUSP . +.It Cm tostop Pq Fl tostop +Send (do not send) +.Dv SIGTTOU +for background output. This causes background jobs to stop if they attempt +terminal output. +.It Cm altwerase Pq Fl altwerase +Use (do not use) an alternate word erase algorithm when processing +.Dv WERASE +characters. +This alternate algorithm considers sequences of +alphanumeric/underscores as words. +It also skips the first preceding character in its classification +(as a convenience since the one preceding character could have been +erased with simply an +.Dv ERASE +character.) +.It Cm mdmbuf Pq Fl mdmbuf +If set, flow control output based on condition of Carrier Detect. Otherwise +writes return an error if Carrier Detect is low (and Carrier is not being +ignored with the +.Dv CLOCAL +flag.) +.It Cm flusho Pq Fl flusho +Indicates output is (is not) being discarded. +.It Cm pendin Pq Fl pendin +Indicates input is (is not) pending after a switch from non-canonical +to canonical mode and will be re-input when a read becomes pending +or more input arrives. +.El +.Ss Control Characters: +.Bl -tag -width Fl +.It Ar control-character Ar string +Set +.Ar control-character +to +.Ar string . +If string is a single character, +the control character is set to +that character. +If string is the +two character sequence "^-" or the +string "undef" the control character +is disabled (i.e. set to +.Pf { Dv _POSIX_VDISABLE Ns } . ) +.Pp +Recognized control-characters: +.Bd -ragged -offset indent +.Bl -column character Subscript +.It control- +.It character Subscript Description +.It _________ _________ _______________ +.It eof Ta Tn VEOF EOF No character +.It eol Ta Tn VEOL EOL No character +.It eol2 Ta Tn VEOL2 EOL2 No character +.It erase Ta Tn VERASE ERASE No character +.It werase Ta Tn VWERASE WERASE No character +.It intr Ta Tn VINTR INTR No character +.It kill Ta Tn VKILL KILL No character +.It quit Ta Tn VQUIT QUIT No character +.It susp Ta Tn VSUSP SUSP No character +.It start Ta Tn VSTART START No character +.It stop Ta Tn VSTOP STOP No character +.It dsusp Ta Tn VDSUSP DSUSP No character +.It lnext Ta Tn VLNEXT LNEXT No character +.It reprint Ta Tn VREPRINT REPRINT No character +.It status Ta Tn VSTATUS STATUS No character +.El +.Ed +.It Cm min Ar number +.It Cm time Ar number +Set the value of min or time to +number. +.Dv MIN +and +.Dv TIME +are used in +Non-Canonical mode input processing +(-icanon). +.El +.Ss Combination Modes: +.Pp +.Bl -tag -width Fl +.It Ar saved settings +Set the current terminal +characteristics to the saved settings +produced by the +.Fl g +option. +.It Cm evenp No or Cm parity +Enable parenb and cs7; disable +parodd. +.It Cm oddp +Enable parenb, cs7, and parodd. +.It Fl parity , evenp , oddp +Disable parenb, and set cs8. +.It Cm \&nl Pq Fl \&nl +Enable (disable) icrnl. +In addition +-nl unsets inlcr and igncr. +.It Cm ek +Reset +.Dv ERASE +and +.Dv KILL +characters +back to system defaults. +.It Cm sane +Resets all modes to reasonable values for interactive terminal use. +.It Cm tty +Set the line discipline to the standard terminal line discipline +.Dv TTYDISC . +.It Cm crt Pq Fl crt +Set (disable) all modes suitable for a CRT display device. +.It Cm kerninfo Pq Fl kerninfo +Enable (disable) the system generated status line associated with +processing a +.Dv STATUS +character (usually set to ^T). The status line consists of the +system load average, the current command name, its process ID, the +event the process is waiting on (or the status of the process), the user +and system times, percent cpu, and current memory usage. +.It Cm columns Ar number +The terminal size is recorded as having +.Ar number +columns. +.It Cm cols Ar number +is an alias for +.Cm columns. +.ne 1i +.It Cm rows Ar number +The terminal size is recorded as having +.Ar number +rows. +.It Cm dec +Set modes suitable for users of Digital Equipment Corporation systems ( +.Dv ERASE , +.Dv KILL , +and +.Dv INTR +characters are set to ^?, ^U, and ^C; +.Dv ixany +is disabled, and +.Dv crt +is enabled.) +.It Cm extproc Pq Fl extproc +If set, this flag indicates that some amount of terminal processing is being +performed by either the terminal hardware or by the remote side connected +to a pty. +.It Cm raw Pq Fl raw +If set, change the modes of the terminal so that no input or output processing +is performed. If unset, change the modes of the terminal to some reasonable +state that performs input and output processing. Note that since the +terminal driver no longer has a single +.Dv RAW +bit, it is not possible to intuit what flags were set prior to setting +.Cm raw . +This means that unsetting +.Cm raw +may not put back all the setting that were previously in effect. +To set the terminal into a raw state and then accurately restore it, the following +shell code is recommended: +.nf + +save_state=$(stty -g) +stty raw +\&... +stty "$save_state" + +.fi +.It Cm size +The size of the terminal is printed as two numbers on a single line, +first rows, then columns. +.El +.Ss Compatibility Modes: +.Pp +These modes remain for compatibility with the previous version of +the stty command. +.Bl -tag -width Fl +.It Cm all +Reports all the terminal modes as with +.Cm stty Fl a +except that the control characters are printed in a columnar format. +.It Cm everything +Same as +.Cm all . +.It Cm cooked +Same as +.Cm sane . +.It Cm cbreak +If set, enables +.Cm brkint , ixon , imaxbel , opost , +.Cm isig , iexten , +and +.Cm Fl icanon . +If unset, same as +.Cm sane . +.It Cm new +Same as +.Cm tty . +.It Cm old +Same as +.Cm tty . +.It Cm newcrt Pq Fl newcrt +Same as +.Cm crt . +.It Cm pass8 +The converse of +.Cm parity . +.It Cm tandem Pq Fl tandem +Same as +.Cm ixoff . +.It Cm decctlq Pq Fl decctlq +The converse of +.Cm ixany . +.ne 1i +.It Cm crterase Pq Fl crterase +Same as +.Cm echoe . +.It Cm crtbs Pq Fl crtbs +Same as +.Cm echoe . +.It Cm crtkill Pq Fl crtkill +Same as +.Cm echoke . +.It Cm ctlecho Pq Fl ctlecho +Same as +.Cm echoctl . +.It Cm prterase Pq Fl prterase +Same as +.Cm echoprt . +.It Cm litout Pq Fl litout +The converse of +.Cm opost . +.It Cm tabs Pq Fl tabs +The converse of +.Cm tabs . +.It Cm brk Ar value +Same as the control character +.Cm eol . +.It Cm flush Ar value +Same as the control character +.Cm discard . +.It Cm rprnt Ar value +Same as the control character +.Cm reprint . +.El +.Pp +The +.Nm stty +utility exits with a value of 0 if successful, and >0 if an error occurs. +.Sh SEE ALSO +.Xr termios 4 +.Sh STANDARDS +The +.Nm stty +function is expected to be +.St -p1003.2 +compatible. The flags +.Fl e +and +.Fl f +are +extensions to the standard. diff --git a/stty.c b/stty.c new file mode 100644 index 0000000..48c8100 --- /dev/null +++ b/stty.c @@ -0,0 +1,162 @@ +/*- + * Copyright (c) 1989, 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. + */ + +#ifndef lint +static char const copyright[] = +"@(#) Copyright (c) 1989, 1991, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)stty.c 8.3 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +int +main(int argc, char *argv[]) +{ + struct info i; + enum FMT fmt; + int ch; + + fmt = NOTSET; + i.fd = STDIN_FILENO; + + opterr = 0; + while (optind < argc && + strspn(argv[optind], "-aefg") == strlen(argv[optind]) && + (ch = getopt(argc, argv, "aef:g")) != -1) + switch(ch) { + case 'a': /* undocumented: POSIX compatibility */ + fmt = POSIX; + break; + case 'e': + fmt = BSD; + break; + case 'f': + if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) + err(1, "%s", optarg); + break; + case 'g': + fmt = GFLAG; + break; + case '?': + default: + goto args; + } + +args: argc -= optind; + argv += optind; + + if (tcgetattr(i.fd, &i.t) < 0) + errx(1, "stdin isn't a terminal"); + if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) + err(1, "TIOCGETD"); + if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) + warn("TIOCGWINSZ"); + + checkredirect(); /* conversion aid */ + + switch(fmt) { + case NOTSET: + if (*argv) + break; + /* FALLTHROUGH */ + case BSD: + case POSIX: + print(&i.t, &i.win, i.ldisc, fmt); + break; + case GFLAG: + gprint(&i.t, &i.win, i.ldisc); + break; + } + + for (i.set = i.wset = 0; *argv; ++argv) { + if (ksearch(&argv, &i)) + continue; + + if (csearch(&argv, &i)) + continue; + + if (msearch(&argv, &i)) + continue; + + if (isdigit(**argv)) { + speed_t speed; + + speed = atoi(*argv); + cfsetospeed(&i.t, speed); + cfsetispeed(&i.t, speed); + i.set = 1; + continue; + } + + if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { + gread(&i.t, *argv + sizeof("gfmt1") - 1); + i.set = 1; + continue; + } + + warnx("illegal option -- %s", *argv); + usage(); + } + + if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) + err(1, "tcsetattr"); + if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) + warn("TIOCSWINSZ"); + exit(0); +} + +void +usage(void) +{ + + (void)fprintf(stderr, "usage: stty [-a|-e|-g] [-f file] [options]\n"); + exit (1); +} diff --git a/stty.h b/stty.h new file mode 100644 index 0000000..515e0ed --- /dev/null +++ b/stty.h @@ -0,0 +1,82 @@ +/*- + * Copyright (c) 1991, 1993 + * 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. + * + * @(#)stty.h 8.1 (Berkeley) 5/31/93 + * $FreeBSD: src/bin/stty/stty.h,v 1.8 2001/05/18 11:04:19 kris Exp $ + */ + +#define VSTATUS 18 /* ICANON */ +#define TTYDISC 0 /* termios tty line discipline */ +#define TABLDISC 3 /* tablet discipline */ +#define SLIPDISC 4 /* serial IP discipline */ +#define PPPDISC 5 /* PPP discipline */ +#define OTTYDISC 0 +#define NETLDISC 1 +#define NTTYDISC 2 +#define ALTWERASE 0x00000200 /* use alternate WERASE algorithm */ +#define NOKERNINFO 0x02000000 /* no kernel output from VSTATUS */ +#define OXTABS 0x00000004 /* expand tabs to spaces */ +#define CCTS_OFLOW 0x00010000 /* CTS flow control of output */ +#define CRTSCTS (CCTS_OFLOW | CRTS_IFLOW) +#define CRTS_IFLOW 0x00020000 /* RTS flow control of input */ +#define CDTR_IFLOW 0x00040000 /* DTR flow control of input */ +#define CDSR_OFLOW 0x00080000 /* DSR flow control of output */ +#define CCAR_OFLOW 0x00100000 /* DCD flow control of output */ +#define MDMBUF 0x00100000 /* old name for CCAR_OFLOW */ +#define VDSUSP 11 /* ISIG */ +#define TIOCEXT _IOW('t', 96, int) /* pty: external processing */ + + +#include +#include +#include + +struct info { + int fd; /* file descriptor */ + int ldisc; /* line discipline */ + int off; /* turn off */ + int set; /* need set */ + int wset; /* need window set */ + const char *arg; /* argument */ + struct termios t; /* terminal info */ + struct winsize win; /* window info */ +}; + +struct cchar { + const char *name; + int sub; + u_char def; +}; + +enum FMT { NOTSET, GFLAG, BSD, POSIX }; + +#define LINELENGTH 72 diff --git a/util.c b/util.c new file mode 100644 index 0000000..e31e073 --- /dev/null +++ b/util.c @@ -0,0 +1,66 @@ +/*- + * 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ + +#include +#include + +#include +#include +#include +#include + +#include "stty.h" +#include "extern.h" + +/* + * Gross, but since we're changing the control descriptor from 1 to 0, most + * users will be probably be doing "stty > /dev/sometty" by accident. If 1 + * and 2 are both ttys, but not the same, assume that 1 was incorrectly + * redirected. + */ +void +checkredirect(void) +{ + struct stat sb1, sb2; + + if (isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) && + !fstat(STDOUT_FILENO, &sb1) && !fstat(STDERR_FILENO, &sb2) && + (sb1.st_rdev != sb2.st_rdev)) +warnx("stdout appears redirected, but stdin is the control descriptor"); +} -- cgit v1.2.1