1 /****************************************************************************
2 * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
36 * tset.c - terminal initialization utility
38 * This code was mostly swiped from 4.4BSD tset, with some obsolescent
39 * cruft removed and substantial portions rewritten. A Regents of the
40 * University of California copyright applies to some portions of the
41 * code, and is reproduced below:
44 * Copyright (c) 1980, 1991, 1993
45 * The Regents of the University of California. All rights reserved.
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by the University of
58 * California, Berkeley and its contributors.
59 * 4. Neither the name of the University nor the names of its contributors
60 * may be used to endorse or promote products derived from this software
61 * without specific prior written permission.
63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
76 #define __INTERNAL_CAPS_VISIBLE /* we need to see has_hardware_tabs */
77 #include <progs.priv.h>
84 #if HAVE_GETTTYNAM && HAVE_TTYENT_H
88 char *ttyname(int fd);
91 /* this is just to stifle a missing-prototype warning */
93 # include <sys/ioctl.h>
97 /* they neglected to define struct winsize in termios.h -- it's only
99 #include <sys/stream.h>
100 #include <sys/ptem.h>
103 #include <dump_entry.h>
104 #include <transform.h>
106 MODULE_ID("$Id: tset.c,v 1.60 2005/09/25 00:43:52 tom Exp $")
108 extern char **environ;
111 #define CTRL(x) ((x) & 0x1f)
113 const char *_nc_progname = "tset";
115 static TTY mode, oldmode, original;
117 static bool opt_c; /* set control-chars */
118 static bool opt_w; /* set window-size */
120 static bool can_restore = FALSE;
121 static bool isreset = FALSE; /* invoked as reset */
122 static int terasechar = -1; /* new erase character */
123 static int intrchar = -1; /* new interrupt character */
124 static int tkillchar = -1; /* new kill character */
125 static int tlines, tcolumns; /* window size */
127 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
130 CaselessCmp(const char *a, const char *b)
131 { /* strcasecmp isn't portable */
133 int cmp = LOWERCASE(*a) - LOWERCASE(*b);
138 return LOWERCASE(*a) - LOWERCASE(*b);
145 SET_TTY(STDERR_FILENO, &original);
146 (void) fprintf(stderr, "\n");
148 ExitProgram(EXIT_FAILURE);
153 err(const char *fmt,...)
157 (void) fprintf(stderr, "%s: ", _nc_progname);
158 (void) vfprintf(stderr, fmt, ap);
165 failed(const char *msg)
168 unsigned len = strlen(_nc_progname) + 2;
170 if (len < sizeof(temp) - 12) {
171 strcpy(temp, _nc_progname);
174 strcpy(temp, "tset: ");
176 perror(strncat(temp, msg, sizeof(temp) - strlen(temp) - 2));
188 if ((fp = fopen(file, "r")) == 0)
191 while ((nr = fread(buf, sizeof(char), sizeof(buf), fp)) != 0)
192 if (fwrite(buf, sizeof(char), nr, stderr) != nr)
193 failed("write to stderr");
200 return putc(c, stderr);
203 /* Prompt the user for a terminal type. */
205 askuser(const char *dflt)
207 static char answer[256];
210 /* We can get recalled; if so, don't continue uselessly. */
212 if (feof(stdin) || ferror(stdin)) {
213 (void) fprintf(stderr, "\n");
219 (void) fprintf(stderr, "Terminal type? [%s] ", dflt);
221 (void) fprintf(stderr, "Terminal type? ");
222 (void) fflush(stderr);
224 if (fgets(answer, sizeof(answer), stdin) == 0) {
232 if ((p = strchr(answer, '\n')) != 0)
241 /**************************************************************************
243 * Mapping logic begins here
245 **************************************************************************/
247 /* Baud rate conditionals for mapping. */
256 struct map *next; /* Linked list of maps. */
257 const char *porttype; /* Port type, or "" for any. */
258 const char *type; /* Terminal type to select. */
259 int conditional; /* Baud rate conditionals bitmask. */
260 int speed; /* Baud rate to compare against. */
263 static MAP *cur, *maplist;
265 typedef struct speeds {
270 static const SPEEDS speeds[] =
287 /* sgttyb may define up to this point */
330 tbaudrate(char *rate)
335 /* The baudrate number can be preceded by a 'B', which is ignored. */
339 for (sp = speeds; sp->string; ++sp) {
340 if (!CaselessCmp(rate, sp->string)) {
346 err("unknown baud rate %s", rate);
352 * [port-type][test baudrate]:terminal-type
353 * The baud rate tests are: >, <, @, =, !
356 add_mapping(const char *port, char *arg)
364 mapp = (MAP *) malloc(sizeof(MAP));
365 if (copy == 0 || mapp == 0)
369 cur = maplist = mapp;
375 mapp->porttype = arg;
376 mapp->conditional = 0;
378 arg = strpbrk(arg, "><@=!:");
380 if (arg == 0) { /* [?]term */
381 mapp->type = mapp->porttype;
386 if (arg == mapp->porttype) /* [><@=! baud]:term */
387 termp = mapp->porttype = 0;
391 for (;; ++arg) { /* Optional conditionals. */
394 if (mapp->conditional & GT)
396 mapp->conditional |= LT;
399 if (mapp->conditional & LT)
401 mapp->conditional |= GT;
404 case '=': /* Not documented. */
405 mapp->conditional |= EQ;
408 mapp->conditional |= NOT;
417 if (mapp->conditional)
420 } else { /* Optional baudrate. */
421 arg = strchr(p = arg, ':');
425 mapp->speed = tbaudrate(p);
428 if (arg == (char *) 0) /* Non-optional type. */
433 /* Terminate porttype, if specified. */
437 /* If a NOT conditional, reverse the test. */
438 if (mapp->conditional & NOT)
439 mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
441 /* If user specified a port with an option flag, set it. */
444 badmopt:err("illegal -m option format: %s", copy);
445 mapp->porttype = port;
448 (void) printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
449 (void) printf("type: %s\n", mapp->type);
450 (void) printf("conditional: ");
452 if (mapp->conditional & GT) {
456 if (mapp->conditional & EQ) {
457 (void) printf("%sEQ", p);
460 if (mapp->conditional & LT)
461 (void) printf("%sLT", p);
462 (void) printf("\nspeed: %d\n", mapp->speed);
467 * Return the type of terminal to use for a port of type 'type', as specified
468 * by the first applicable mapping in 'map'. If no mappings apply, return
472 mapped(const char *type)
477 for (mapp = maplist; mapp; mapp = mapp->next)
478 if (mapp->porttype == 0 || !strcmp(mapp->porttype, type)) {
479 switch (mapp->conditional) {
480 case 0: /* No test specified. */
484 match = (ospeed == mapp->speed);
487 match = (ospeed >= mapp->speed);
490 match = (ospeed > mapp->speed);
493 match = (ospeed <= mapp->speed);
496 match = (ospeed < mapp->speed);
504 /* No match found; return given type. */
508 /**************************************************************************
512 **************************************************************************/
515 * Figure out what kind of terminal we're dealing with, and then read in
519 get_termcap_entry(char *userarg)
536 /* Try the environment. */
537 if ((ttype = getenv("TERM")) != 0)
540 if ((ttypath = ttyname(STDERR_FILENO)) != 0) {
541 p = _nc_basename(ttypath);
544 * We have the 4.3BSD library call getttynam(3); that means
545 * there's an /etc/ttys to look up device-to-type mappings in.
546 * Try ttyname(3); check for dialup or other mapping.
548 if ((t = getttynam(p))) {
553 if ((fp = fopen("/etc/ttytype", "r")) != 0
554 || (fp = fopen("/etc/ttys", "r")) != 0) {
558 while (fgets(buffer, sizeof(buffer) - 1, fp) != 0) {
559 for (s = buffer, t = d = 0; *s; s++) {
560 if (isspace(UChar(*s)))
564 else if (d == 0 && s != buffer && s[-1] == '\0')
567 if (t != 0 && d != 0 && !strcmp(d, p)) {
575 #endif /* HAVE_GETTTYNAM */
578 /* If still undefined, use "unknown". */
581 map:ttype = mapped(ttype);
584 * If not a path, remove TERMCAP from the environment so we get a
585 * real entry from /etc/termcap. This prevents us from being fooled
586 * by out of date stuff in the environment.
588 found:if ((p = getenv("TERMCAP")) != 0 && *p != '/') {
589 /* 'unsetenv("TERMCAP")' is not portable.
590 * The 'environ' array is better.
593 for (n = 0; environ[n] != 0; n++) {
594 if (!strncmp("TERMCAP=", environ[n], 8)) {
595 while ((environ[n] = environ[n + 1]) != 0) {
604 * ttype now contains a pointer to the type of the terminal.
605 * If the first character is '?', ask the user.
607 if (ttype[0] == '?') {
608 if (ttype[1] != '\0')
609 ttype = askuser(ttype + 1);
613 /* Find the terminfo entry. If it doesn't exist, ask the user. */
614 while (setupterm((NCURSES_CONST char *) ttype, STDOUT_FILENO, &errret)
617 (void) fprintf(stderr, "%s: unknown terminal type %s\n",
618 _nc_progname, ttype);
621 (void) fprintf(stderr,
622 "%s: can't initialize terminal type %s (error %d)\n",
623 _nc_progname, ttype, errret);
626 ttype = askuser(ttype);
629 tgetflag("am"); /* force lib_termcap.o to be linked for 'ospeed' */
634 /**************************************************************************
638 **************************************************************************/
640 /* some BSD systems have these built in, some systems are missing
641 * one or more definitions. The safest solution is to override unless the
642 * commonly-altered ones are defined.
644 #if !(defined(CERASE) && defined(CINTR) && defined(CKILL) && defined(CQUIT))
657 /* control-character defaults */
659 #define CEOF CTRL('D')
662 #define CERASE CTRL('H')
665 #define CINTR 127 /* ^? */
668 #define CKILL CTRL('U')
671 #define CLNEXT CTRL('v')
674 #define CRPRNT CTRL('r')
677 #define CQUIT CTRL('\\')
680 #define CSTART CTRL('Q')
683 #define CSTOP CTRL('S')
686 #define CSUSP CTRL('Z')
689 #define CHK(val, dft) ((int)val <= 0 ? dft : val)
691 static bool set_tabs(void);
694 * Reset the terminal mode bits to a sensible state. Very useful after
695 * a child program dies in raw mode.
701 tcgetattr(STDERR_FILENO, &mode);
703 stty(STDERR_FILENO, &mode);
707 #if defined(VDISCARD) && defined(CDISCARD)
708 mode.c_cc[VDISCARD] = CHK(mode.c_cc[VDISCARD], CDISCARD);
710 mode.c_cc[VEOF] = CHK(mode.c_cc[VEOF], CEOF);
711 mode.c_cc[VERASE] = CHK(mode.c_cc[VERASE], CERASE);
712 #if defined(VFLUSH) && defined(CFLUSH)
713 mode.c_cc[VFLUSH] = CHK(mode.c_cc[VFLUSH], CFLUSH);
715 mode.c_cc[VINTR] = CHK(mode.c_cc[VINTR], CINTR);
716 mode.c_cc[VKILL] = CHK(mode.c_cc[VKILL], CKILL);
717 #if defined(VLNEXT) && defined(CLNEXT)
718 mode.c_cc[VLNEXT] = CHK(mode.c_cc[VLNEXT], CLNEXT);
720 mode.c_cc[VQUIT] = CHK(mode.c_cc[VQUIT], CQUIT);
721 #if defined(VREPRINT) && defined(CRPRNT)
722 mode.c_cc[VREPRINT] = CHK(mode.c_cc[VREPRINT], CRPRNT);
724 #if defined(VSTART) && defined(CSTART)
725 mode.c_cc[VSTART] = CHK(mode.c_cc[VSTART], CSTART);
727 #if defined(VSTOP) && defined(CSTOP)
728 mode.c_cc[VSTOP] = CHK(mode.c_cc[VSTOP], CSTOP);
730 #if defined(VSUSP) && defined(CSUSP)
731 mode.c_cc[VSUSP] = CHK(mode.c_cc[VSUSP], CSUSP);
733 #if defined(VWERASE) && defined(CWERASE)
734 mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE);
737 mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR
746 mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON
772 | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY
776 mode.c_oflag |= (OPOST
782 mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL);
783 mode.c_cflag |= (CS8 | CREAD);
784 mode.c_lflag &= ~(ECHONL | NOFLSH
796 mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK
806 SET_TTY(STDERR_FILENO, &mode);
810 * Returns a "good" value for the erase character. This is loosely based on
820 && key_backspace != 0
821 && strlen(key_backspace) == 1)
822 result = key_backspace[0];
831 * Update the values of the erase, interrupt, and kill characters in 'mode'.
833 * SVr4 tset (e.g., Solaris 2.5) only modifies the intr, quit or erase
834 * characters if they're unset, or if we specify them as options. This differs
835 * from BSD 4.4 tset, which always sets erase.
838 set_control_chars(void)
841 if (mode.c_cc[VERASE] == 0 || terasechar >= 0)
842 mode.c_cc[VERASE] = terasechar >= 0 ? terasechar : default_erase();
844 if (mode.c_cc[VINTR] == 0 || intrchar >= 0)
845 mode.c_cc[VINTR] = intrchar >= 0 ? intrchar : CINTR;
847 if (mode.c_cc[VKILL] == 0 || tkillchar >= 0)
848 mode.c_cc[VKILL] = tkillchar >= 0 ? tkillchar : CKILL;
853 * Set up various conversions in 'mode', including parity, tabs, returns,
854 * echo, and case, according to the termcap entry. If the program we're
855 * running was named with a leading upper-case character, map external
856 * uppercase to internal lowercase.
859 set_conversions(void)
863 * Conversion logic for some *really* ancient terminal glitches,
864 * not supported in terminfo. Left here for succeeding generations
867 if (tgetflag("UC")) {
869 mode.c_iflag |= IUCLC;
870 mode.c_oflag |= OLCUC;
872 } else if (tgetflag("LC")) {
874 mode.c_iflag &= ~IUCLC;
875 mode.c_oflag &= ~OLCUC;
878 mode.c_iflag &= ~(PARMRK | INPCK);
879 mode.c_lflag |= ICANON;
880 if (tgetflag("EP")) {
881 mode.c_cflag |= PARENB;
882 mode.c_cflag &= ~PARODD;
884 if (tgetflag("OP")) {
885 mode.c_cflag |= PARENB;
886 mode.c_cflag |= PARODD;
888 #endif /* __OBSOLETE__ */
892 mode.c_oflag |= ONLCR;
894 mode.c_iflag |= ICRNL;
895 mode.c_lflag |= ECHO;
897 mode.c_oflag |= OXTABS;
900 /* test used to be tgetflag("NL") */
901 if (newline != (char *) 0 && newline[0] == '\n' && !newline[1]) {
902 /* Newline, not linefeed. */
904 mode.c_oflag &= ~ONLCR;
906 mode.c_iflag &= ~ICRNL;
909 if (tgetflag("HD")) /* Half duplex. */
910 mode.c_lflag &= ~ECHO;
911 #endif /* __OBSOLETE__ */
913 /* test used to be tgetflag("pt") */
914 if (has_hardware_tabs) /* Print tabs. */
915 mode.c_oflag &= ~OXTABS;
917 mode.c_lflag |= (ECHOE | ECHOK);
921 /* Output startup string. */
929 if (pad_char != (char *) 0) /* Get/set pad character. */
931 #endif /* OBSOLETE */
934 if (oldmode.c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
935 oldmode.c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
936 SET_TTY(STDERR_FILENO, &oldmode);
942 if ((p = reset_1string) != 0) {
946 if ((p = reset_2string) != 0) {
950 /* What about rf, rs3, as per terminfo man page? */
951 /* also might be nice to send rmacs, rmul, rmm */
952 if ((p = reset_file) != 0
953 || (p = init_file) != 0) {
960 (void) putc('\r', stderr);
961 (void) fflush(stderr);
962 (void) napms(1000); /* Settle the terminal. */
967 * Set the hardware tabs on the terminal, using the ct (clear all tabs),
968 * st (set one tab) and ch (horizontal cursor addressing) capabilities.
969 * This is done before if and is, so they can patch in case we blow this.
970 * Return TRUE if we set any tab stops, FALSE if not.
975 if (set_tab && clear_all_tabs) {
978 (void) putc('\r', stderr); /* Force to left margin. */
979 tputs(clear_all_tabs, 0, outc);
981 for (c = 8; c < tcolumns; c += 8) {
982 /* Get to the right column. In BSD tset, this
983 * used to try a bunch of half-clever things
984 * with cup and hpa, for an average saving of
985 * somewhat less than two character times per
986 * tab stop, less than .01 sec at 2400cps. We
987 * lost all this cruft because it seemed to be
988 * introducing some odd bugs.
989 * -----------12345678----------- */
990 (void) fputs(" ", stderr);
991 tputs(set_tab, 0, outc);
999 /**************************************************************************
1003 **************************************************************************/
1006 * Tell the user if a control key has been changed from the default value.
1010 report(const char *name, int which, unsigned def)
1012 unsigned older, newer;
1015 newer = mode.c_cc[which];
1016 older = oldmode.c_cc[which];
1018 if (older == newer && older == def)
1021 (void) fprintf(stderr, "%s %s ", name, older == newer ? "is" : "set to");
1024 * Check 'delete' before 'backspace', since the key_backspace value
1028 (void) fprintf(stderr, "delete.\n");
1029 else if ((p = key_backspace) != 0
1030 && newer == (unsigned char) p[0]
1032 (void) fprintf(stderr, "backspace.\n");
1033 else if (newer < 040) {
1035 (void) fprintf(stderr, "control-%c (^%c).\n", UChar(newer), UChar(newer));
1037 (void) fprintf(stderr, "%c.\n", UChar(newer));
1042 * Convert the obsolete argument forms into something that getopt can handle.
1043 * This means that -e, -i and -k get default arguments supplied for them.
1046 obsolete(char **argv)
1048 for (; *argv; ++argv) {
1049 char *parm = argv[0];
1051 if (parm[0] == '-' && parm[1] == '\0') {
1052 argv[0] = strdup("-q");
1056 if ((parm[0] != '-')
1057 || (argv[1] && argv[1][0] != '-')
1058 || (parm[1] != 'e' && parm[1] != 'i' && parm[1] != 'k')
1059 || (parm[2] != '\0'))
1061 switch (argv[0][1]) {
1063 argv[0] = strdup("-e^H");
1066 argv[0] = strdup("-i^C");
1069 argv[0] = strdup("-k^U");
1078 static const char *tbl[] =
1082 ," -c set control characters"
1083 ," -e ch erase character"
1084 ," -I no initialization strings"
1085 ," -i ch interrupt character"
1086 ," -k ch kill character"
1087 ," -m mapping map identifier to type"
1088 ," -Q do not output control key settings"
1089 ," -r display term on stderr"
1090 ," -s output TERM set command"
1091 ," -V print curses-version"
1092 ," -w set window-size"
1095 (void) fprintf(stderr, "Usage: %s [options] [terminal]\n", _nc_progname);
1096 for (n = 0; n < sizeof(tbl) / sizeof(tbl[0]); ++n)
1097 fprintf(stderr, "%s\n", tbl[n]);
1105 return (optarg[0] == '^' && optarg[1] != '\0')
1106 ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1]))
1111 main(int argc, char **argv)
1113 #if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
1116 int ch, noinit, noset, quiet, Sflag, sflag, showterm;
1121 noinit = noset = quiet = Sflag = sflag = showterm = 0;
1122 while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:np:qQSrsVw")) != EOF) {
1124 case 'c': /* set control-chars */
1127 case 'a': /* OBSOLETE: map identifier to type */
1128 add_mapping("arpanet", optarg);
1130 case 'd': /* OBSOLETE: map identifier to type */
1131 add_mapping("dialup", optarg);
1133 case 'e': /* erase character */
1134 terasechar = arg_to_char();
1136 case 'I': /* no initialization strings */
1139 case 'i': /* interrupt character */
1140 intrchar = arg_to_char();
1142 case 'k': /* kill character */
1143 tkillchar = arg_to_char();
1145 case 'm': /* map identifier to type */
1146 add_mapping(0, optarg);
1148 case 'n': /* OBSOLETE: set new tty driver */
1150 case 'p': /* OBSOLETE: map identifier to type */
1151 add_mapping("plugboard", optarg);
1153 case 'Q': /* don't output control key settings */
1156 case 'q': /* display term only */
1159 case 'r': /* display term on stderr */
1162 case 'S': /* OBSOLETE: output TERM & TERMCAP */
1165 case 's': /* output TERM set command */
1168 case 'V': /* print curses-version */
1169 puts(curses_version());
1170 return EXIT_SUCCESS;
1171 case 'w': /* set window-size */
1180 _nc_progname = _nc_rootname(*argv);
1187 if (!opt_c && !opt_w)
1188 opt_c = opt_w = TRUE;
1190 if (GET_TTY(STDERR_FILENO, &mode) < 0)
1191 failed("standard error");
1193 original = oldmode = mode;
1195 ospeed = cfgetospeed(&mode);
1197 ospeed = mode.sg_ospeed;
1200 if (!strcmp(_nc_progname, PROG_RESET)) {
1205 ttype = get_termcap_entry(*argv);
1211 #if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
1213 /* Set window size */
1214 (void) ioctl(STDERR_FILENO, TIOCGWINSZ, &win);
1215 if (win.ws_row == 0 && win.ws_col == 0 &&
1216 tlines > 0 && tcolumns > 0) {
1217 win.ws_row = tlines;
1218 win.ws_col = tcolumns;
1219 (void) ioctl(STDERR_FILENO, TIOCSWINSZ, &win);
1224 set_control_chars();
1230 /* Set the modes if they've changed. */
1231 if (memcmp(&mode, &oldmode, sizeof(mode))) {
1232 SET_TTY(STDERR_FILENO, &mode);
1237 /* Get the terminal name from the entry. */
1238 ttype = _nc_first_name(cur_term->type.term_names);
1241 (void) printf("%s\n", ttype);
1244 (void) fprintf(stderr, "Terminal type is %s.\n", ttype);
1246 * If erase, kill and interrupt characters could have been
1247 * modified and not -Q, display the changes.
1251 report("Erase", VERASE, CERASE);
1252 report("Kill", VKILL, CKILL);
1253 report("Interrupt", VINTR, CINTR);
1259 err("The -S option is not supported under terminfo.");
1264 * Figure out what shell we're using. A hack, we look for an
1265 * environmental variable SHELL ending in "csh".
1267 if ((p = getenv("SHELL")) != 0
1268 && (len = strlen(p)) >= 3
1269 && !strcmp(p + len - 3, "csh"))
1270 p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
1273 (void) printf(p, ttype);
1276 return EXIT_SUCCESS;