1 /****************************************************************************
2 * Copyright (c) 1998-2002,2003 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 ****************************************************************************/
35 * tset.c - terminal initialization utility
37 * This code was mostly swiped from 4.4BSD tset, with some obsolescent
38 * cruft removed and substantial portions rewritten. A Regents of the
39 * University of California copyright applies to some portions of the
40 * code, and is reproduced below:
43 * Copyright (c) 1980, 1991, 1993
44 * The Regents of the University of California. All rights reserved.
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by the University of
57 * California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
75 #define __INTERNAL_CAPS_VISIBLE /* we need to see has_hardware_tabs */
76 #include <progs.priv.h>
83 #if HAVE_GETTTYNAM && HAVE_TTYENT_H
87 char *ttyname(int fd);
90 /* this is just to stifle a missing-prototype warning */
92 # include <sys/ioctl.h>
96 /* they neglected to define struct winsize in termios.h -- it's only
98 #include <sys/stream.h>
102 #include <curses.h> /* for bool typedef */
103 #include <dump_entry.h>
104 #include <transform.h>
106 MODULE_ID("$Id: tset.c,v 0.56 2003/12/06 17:21:01 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 can_restore = FALSE;
118 static bool isreset = FALSE; /* invoked as reset */
119 static int terasechar = -1; /* new erase character */
120 static int intrchar = -1; /* new interrupt character */
121 static int tkillchar = -1; /* new kill character */
122 static int tlines, tcolumns; /* window size */
124 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
127 CaselessCmp(const char *a, const char *b)
128 { /* strcasecmp isn't portable */
130 int cmp = LOWERCASE(*a) - LOWERCASE(*b);
135 return LOWERCASE(*a) - LOWERCASE(*b);
142 SET_TTY(STDERR_FILENO, &original);
143 (void) fprintf(stderr, "\n");
145 ExitProgram(EXIT_FAILURE);
150 err(const char *fmt,...)
154 (void) fprintf(stderr, "tset: ");
155 (void) vfprintf(stderr, fmt, ap);
162 failed(const char *msg)
165 perror(strncat(strcpy(temp, "tset: "), msg, sizeof(temp) - 10));
177 if ((fp = fopen(file, "r")) == 0)
180 while ((nr = fread(buf, sizeof(char), sizeof(buf), fp)) != 0)
181 if (fwrite(buf, sizeof(char), nr, stderr) != nr)
182 failed("write to stderr");
189 return putc(c, stderr);
192 /* Prompt the user for a terminal type. */
194 askuser(const char *dflt)
196 static char answer[256];
199 /* We can get recalled; if so, don't continue uselessly. */
201 if (feof(stdin) || ferror(stdin)) {
202 (void) fprintf(stderr, "\n");
208 (void) fprintf(stderr, "Terminal type? [%s] ", dflt);
210 (void) fprintf(stderr, "Terminal type? ");
211 (void) fflush(stderr);
213 if (fgets(answer, sizeof(answer), stdin) == 0) {
221 if ((p = strchr(answer, '\n')) != 0)
230 /**************************************************************************
232 * Mapping logic begins here
234 **************************************************************************/
236 /* Baud rate conditionals for mapping. */
245 struct map *next; /* Linked list of maps. */
246 const char *porttype; /* Port type, or "" for any. */
247 const char *type; /* Terminal type to select. */
248 int conditional; /* Baud rate conditionals bitmask. */
249 int speed; /* Baud rate to compare against. */
252 static MAP *cur, *maplist;
254 typedef struct speeds {
259 static const SPEEDS speeds[] =
276 /* sgttyb may define up to this point */
319 tbaudrate(char *rate)
324 /* The baudrate number can be preceded by a 'B', which is ignored. */
328 for (sp = speeds; sp->string; ++sp) {
329 if (!CaselessCmp(rate, sp->string)) {
335 err("unknown baud rate %s", rate);
341 * [port-type][test baudrate]:terminal-type
342 * The baud rate tests are: >, <, @, =, !
345 add_mapping(const char *port, char *arg)
353 mapp = (MAP *) malloc(sizeof(MAP));
354 if (copy == 0 || mapp == 0)
358 cur = maplist = mapp;
364 mapp->porttype = arg;
365 mapp->conditional = 0;
367 arg = strpbrk(arg, "><@=!:");
369 if (arg == 0) { /* [?]term */
370 mapp->type = mapp->porttype;
375 if (arg == mapp->porttype) /* [><@=! baud]:term */
376 termp = mapp->porttype = 0;
380 for (;; ++arg) { /* Optional conditionals. */
383 if (mapp->conditional & GT)
385 mapp->conditional |= LT;
388 if (mapp->conditional & LT)
390 mapp->conditional |= GT;
393 case '=': /* Not documented. */
394 mapp->conditional |= EQ;
397 mapp->conditional |= NOT;
406 if (mapp->conditional)
409 } else { /* Optional baudrate. */
410 arg = strchr(p = arg, ':');
414 mapp->speed = tbaudrate(p);
417 if (arg == (char *) 0) /* Non-optional type. */
422 /* Terminate porttype, if specified. */
426 /* If a NOT conditional, reverse the test. */
427 if (mapp->conditional & NOT)
428 mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
430 /* If user specified a port with an option flag, set it. */
433 badmopt:err("illegal -m option format: %s", copy);
434 mapp->porttype = port;
437 (void) printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
438 (void) printf("type: %s\n", mapp->type);
439 (void) printf("conditional: ");
441 if (mapp->conditional & GT) {
445 if (mapp->conditional & EQ) {
446 (void) printf("%sEQ", p);
449 if (mapp->conditional & LT)
450 (void) printf("%sLT", p);
451 (void) printf("\nspeed: %d\n", mapp->speed);
456 * Return the type of terminal to use for a port of type 'type', as specified
457 * by the first applicable mapping in 'map'. If no mappings apply, return
461 mapped(const char *type)
466 for (mapp = maplist; mapp; mapp = mapp->next)
467 if (mapp->porttype == 0 || !strcmp(mapp->porttype, type)) {
468 switch (mapp->conditional) {
469 case 0: /* No test specified. */
473 match = (ospeed == mapp->speed);
476 match = (ospeed >= mapp->speed);
479 match = (ospeed > mapp->speed);
482 match = (ospeed <= mapp->speed);
485 match = (ospeed < mapp->speed);
493 /* No match found; return given type. */
497 /**************************************************************************
501 **************************************************************************/
504 * Figure out what kind of terminal we're dealing with, and then read in
508 get_termcap_entry(char *userarg)
525 /* Try the environment. */
526 if ((ttype = getenv("TERM")) != 0)
529 if ((ttypath = ttyname(STDERR_FILENO)) != 0) {
530 p = _nc_basename(ttypath);
533 * We have the 4.3BSD library call getttynam(3); that means
534 * there's an /etc/ttys to look up device-to-type mappings in.
535 * Try ttyname(3); check for dialup or other mapping.
537 if ((t = getttynam(p))) {
542 if ((fp = fopen("/etc/ttytype", "r")) != 0
543 || (fp = fopen("/etc/ttys", "r")) != 0) {
547 while (fgets(buffer, sizeof(buffer) - 1, fp) != 0) {
548 for (s = buffer, t = d = 0; *s; s++) {
549 if (isspace(UChar(*s)))
553 else if (d == 0 && s != buffer && s[-1] == '\0')
556 if (t != 0 && d != 0 && !strcmp(d, p)) {
564 #endif /* HAVE_GETTTYNAM */
567 /* If still undefined, use "unknown". */
570 map:ttype = mapped(ttype);
573 * If not a path, remove TERMCAP from the environment so we get a
574 * real entry from /etc/termcap. This prevents us from being fooled
575 * by out of date stuff in the environment.
577 found:if ((p = getenv("TERMCAP")) != 0 && *p != '/') {
578 /* 'unsetenv("TERMCAP")' is not portable.
579 * The 'environ' array is better.
582 for (n = 0; environ[n] != 0; n++) {
583 if (!strncmp("TERMCAP=", environ[n], 8)) {
584 while ((environ[n] = environ[n + 1]) != 0) {
593 * ttype now contains a pointer to the type of the terminal.
594 * If the first character is '?', ask the user.
596 if (ttype[0] == '?') {
597 if (ttype[1] != '\0')
598 ttype = askuser(ttype + 1);
602 /* Find the terminfo entry. If it doesn't exist, ask the user. */
603 while (setupterm((NCURSES_CONST char *) ttype, STDOUT_FILENO, &errret)
606 (void) fprintf(stderr, "tset: unknown terminal type %s\n",
610 (void) fprintf(stderr,
611 "tset: can't initialize terminal type %s (error %d)\n",
615 ttype = askuser(ttype);
618 tgetflag("am"); /* force lib_termcap.o to be linked for 'ospeed' */
623 /**************************************************************************
627 **************************************************************************/
629 /* some BSD systems have these built in, some systems are missing
630 * one or more definitions. The safest solution is to override unless the
631 * commonly-altered ones are defined.
633 #if !(defined(CERASE) && defined(CINTR) && defined(CKILL) && defined(CQUIT))
646 /* control-character defaults */
648 #define CEOF CTRL('D')
651 #define CERASE CTRL('H')
654 #define CINTR 127 /* ^? */
657 #define CKILL CTRL('U')
660 #define CLNEXT CTRL('v')
663 #define CRPRNT CTRL('r')
666 #define CQUIT CTRL('\\')
669 #define CSTART CTRL('Q')
672 #define CSTOP CTRL('S')
675 #define CSUSP CTRL('Z')
678 #define CHK(val, dft) ((int)val <= 0 ? dft : val)
680 static bool set_tabs(void);
683 * Reset the terminal mode bits to a sensible state. Very useful after
684 * a child program dies in raw mode.
690 tcgetattr(STDERR_FILENO, &mode);
692 stty(STDERR_FILENO, &mode);
696 #if defined(VDISCARD) && defined(CDISCARD)
697 mode.c_cc[VDISCARD] = CHK(mode.c_cc[VDISCARD], CDISCARD);
699 mode.c_cc[VEOF] = CHK(mode.c_cc[VEOF], CEOF);
700 mode.c_cc[VERASE] = CHK(mode.c_cc[VERASE], CERASE);
701 #if defined(VFLUSH) && defined(CFLUSH)
702 mode.c_cc[VFLUSH] = CHK(mode.c_cc[VFLUSH], CFLUSH);
704 mode.c_cc[VINTR] = CHK(mode.c_cc[VINTR], CINTR);
705 mode.c_cc[VKILL] = CHK(mode.c_cc[VKILL], CKILL);
706 #if defined(VLNEXT) && defined(CLNEXT)
707 mode.c_cc[VLNEXT] = CHK(mode.c_cc[VLNEXT], CLNEXT);
709 mode.c_cc[VQUIT] = CHK(mode.c_cc[VQUIT], CQUIT);
710 #if defined(VREPRINT) && defined(CRPRNT)
711 mode.c_cc[VREPRINT] = CHK(mode.c_cc[VREPRINT], CRPRNT);
713 #if defined(VSTART) && defined(CSTART)
714 mode.c_cc[VSTART] = CHK(mode.c_cc[VSTART], CSTART);
716 #if defined(VSTOP) && defined(CSTOP)
717 mode.c_cc[VSTOP] = CHK(mode.c_cc[VSTOP], CSTOP);
719 #if defined(VSUSP) && defined(CSUSP)
720 mode.c_cc[VSUSP] = CHK(mode.c_cc[VSUSP], CSUSP);
722 #if defined(VWERASE) && defined(CWERASE)
723 mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE);
726 mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR
735 mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON
761 | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY
765 mode.c_oflag |= (OPOST
771 mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL);
772 mode.c_cflag |= (CS8 | CREAD);
773 mode.c_lflag &= ~(ECHONL | NOFLSH
785 mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK
795 SET_TTY(STDERR_FILENO, &mode);
799 * Returns a "good" value for the erase character. This is loosely based on
809 && key_backspace != 0
810 && strlen(key_backspace) == 1)
811 result = key_backspace[0];
820 * Update the values of the erase, interrupt, and kill characters in 'mode'.
822 * SVr4 tset (e.g., Solaris 2.5) only modifies the intr, quit or erase
823 * characters if they're unset, or if we specify them as options. This differs
824 * from BSD 4.4 tset, which always sets erase.
827 set_control_chars(void)
830 if (mode.c_cc[VERASE] == 0 || terasechar >= 0)
831 mode.c_cc[VERASE] = terasechar >= 0 ? terasechar : default_erase();
833 if (mode.c_cc[VINTR] == 0 || intrchar >= 0)
834 mode.c_cc[VINTR] = intrchar >= 0 ? intrchar : CINTR;
836 if (mode.c_cc[VKILL] == 0 || tkillchar >= 0)
837 mode.c_cc[VKILL] = tkillchar >= 0 ? tkillchar : CKILL;
842 * Set up various conversions in 'mode', including parity, tabs, returns,
843 * echo, and case, according to the termcap entry. If the program we're
844 * running was named with a leading upper-case character, map external
845 * uppercase to internal lowercase.
848 set_conversions(void)
852 * Conversion logic for some *really* ancient terminal glitches,
853 * not supported in terminfo. Left here for succeeding generations
856 if (tgetflag("UC")) {
858 mode.c_iflag |= IUCLC;
859 mode.c_oflag |= OLCUC;
861 } else if (tgetflag("LC")) {
863 mode.c_iflag &= ~IUCLC;
864 mode.c_oflag &= ~OLCUC;
867 mode.c_iflag &= ~(PARMRK | INPCK);
868 mode.c_lflag |= ICANON;
869 if (tgetflag("EP")) {
870 mode.c_cflag |= PARENB;
871 mode.c_cflag &= ~PARODD;
873 if (tgetflag("OP")) {
874 mode.c_cflag |= PARENB;
875 mode.c_cflag |= PARODD;
877 #endif /* __OBSOLETE__ */
881 mode.c_oflag |= ONLCR;
883 mode.c_iflag |= ICRNL;
884 mode.c_lflag |= ECHO;
886 mode.c_oflag |= OXTABS;
889 /* test used to be tgetflag("NL") */
890 if (newline != (char *) 0 && newline[0] == '\n' && !newline[1]) {
891 /* Newline, not linefeed. */
893 mode.c_oflag &= ~ONLCR;
895 mode.c_iflag &= ~ICRNL;
898 if (tgetflag("HD")) /* Half duplex. */
899 mode.c_lflag &= ~ECHO;
900 #endif /* __OBSOLETE__ */
902 /* test used to be tgetflag("pt") */
903 if (has_hardware_tabs) /* Print tabs. */
904 mode.c_oflag &= ~OXTABS;
906 mode.c_lflag |= (ECHOE | ECHOK);
910 /* Output startup string. */
918 if (pad_char != (char *) 0) /* Get/set pad character. */
920 #endif /* OBSOLETE */
923 if (oldmode.c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
924 oldmode.c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
925 SET_TTY(STDERR_FILENO, &oldmode);
931 if ((p = reset_1string) != 0) {
935 if ((p = reset_2string) != 0) {
939 /* What about rf, rs3, as per terminfo man page? */
940 /* also might be nice to send rmacs, rmul, rmm */
941 if ((p = reset_file) != 0
942 || (p = init_file) != 0) {
949 (void) putc('\r', stderr);
950 (void) fflush(stderr);
951 (void) napms(1000); /* Settle the terminal. */
956 * Set the hardware tabs on the terminal, using the ct (clear all tabs),
957 * st (set one tab) and ch (horizontal cursor addressing) capabilities.
958 * This is done before if and is, so they can patch in case we blow this.
959 * Return TRUE if we set any tab stops, FALSE if not.
964 if (set_tab && clear_all_tabs) {
967 (void) putc('\r', stderr); /* Force to left margin. */
968 tputs(clear_all_tabs, 0, outc);
970 for (c = 8; c < tcolumns; c += 8) {
971 /* Get to the right column. In BSD tset, this
972 * used to try a bunch of half-clever things
973 * with cup and hpa, for an average saving of
974 * somewhat less than two character times per
975 * tab stop, less that .01 sec at 2400cps. We
976 * lost all this cruft because it seemed to be
977 * introducing some odd bugs.
978 * ----------12345678----------- */
979 (void) fputs(" ", stderr);
980 tputs(set_tab, 0, outc);
988 /**************************************************************************
992 **************************************************************************/
995 * Tell the user if a control key has been changed from the default value.
999 report(const char *name, int which, unsigned def)
1001 unsigned older, newer;
1004 newer = mode.c_cc[which];
1005 older = oldmode.c_cc[which];
1007 if (older == newer && older == def)
1010 (void) fprintf(stderr, "%s %s ", name, older == newer ? "is" : "set to");
1013 * Check 'delete' before 'backspace', since the key_backspace value
1017 (void) fprintf(stderr, "delete.\n");
1018 else if ((p = key_backspace) != 0
1019 && newer == (unsigned char) p[0]
1021 (void) fprintf(stderr, "backspace.\n");
1022 else if (newer < 040) {
1024 (void) fprintf(stderr, "control-%c (^%c).\n", newer, newer);
1026 (void) fprintf(stderr, "%c.\n", newer);
1031 * Convert the obsolete argument forms into something that getopt can handle.
1032 * This means that -e, -i and -k get default arguments supplied for them.
1035 obsolete(char **argv)
1037 for (; *argv; ++argv) {
1038 char *parm = argv[0];
1040 if (parm[0] == '-' && parm[1] == '\0') {
1041 argv[0] = strdup("-q");
1045 if ((parm[0] != '-')
1046 || (argv[1] && argv[1][0] != '-')
1047 || (parm[1] != 'e' && parm[1] != 'i' && parm[1] != 'k')
1048 || (parm[2] != '\0'))
1050 switch (argv[0][1]) {
1052 argv[0] = strdup("-e^H");
1055 argv[0] = strdup("-i^C");
1058 argv[0] = strdup("-k^U");
1065 usage(const char *pname)
1067 (void) fprintf(stderr,
1068 "usage: %s [-IQVrs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]", pname);
1076 return (optarg[0] == '^' && optarg[1] != '\0')
1077 ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1]))
1082 main(int argc, char **argv)
1084 #if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
1087 int ch, noinit, noset, quiet, Sflag, sflag, showterm;
1091 if (GET_TTY(STDERR_FILENO, &mode) < 0)
1092 failed("standard error");
1094 original = oldmode = mode;
1096 ospeed = cfgetospeed(&mode);
1098 ospeed = mode.sg_ospeed;
1101 p = _nc_rootname(*argv);
1102 if (!strcmp(p, PROG_RESET)) {
1108 noinit = noset = quiet = Sflag = sflag = showterm = 0;
1109 while ((ch = getopt(argc, argv, "a:d:e:Ii:k:m:np:qQSrsV")) != EOF) {
1111 case 'q': /* display term only */
1114 case 'a': /* OBSOLETE: map identifier to type */
1115 add_mapping("arpanet", optarg);
1117 case 'd': /* OBSOLETE: map identifier to type */
1118 add_mapping("dialup", optarg);
1120 case 'e': /* erase character */
1121 terasechar = arg_to_char();
1123 case 'I': /* no initialization strings */
1126 case 'i': /* interrupt character */
1127 intrchar = arg_to_char();
1129 case 'k': /* kill character */
1130 tkillchar = arg_to_char();
1132 case 'm': /* map identifier to type */
1133 add_mapping(0, optarg);
1135 case 'n': /* OBSOLETE: set new tty driver */
1137 case 'p': /* OBSOLETE: map identifier to type */
1138 add_mapping("plugboard", optarg);
1140 case 'Q': /* don't output control key settings */
1143 case 'S': /* OBSOLETE: output TERM & TERMCAP */
1146 case 'r': /* display term on stderr */
1149 case 's': /* output TERM set command */
1153 puts(curses_version());
1154 return EXIT_SUCCESS;
1166 ttype = get_termcap_entry(*argv);
1172 #if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
1173 /* Set window size */
1174 (void) ioctl(STDERR_FILENO, TIOCGWINSZ, &win);
1175 if (win.ws_row == 0 && win.ws_col == 0 &&
1176 tlines > 0 && tcolumns > 0) {
1177 win.ws_row = tlines;
1178 win.ws_col = tcolumns;
1179 (void) ioctl(STDERR_FILENO, TIOCSWINSZ, &win);
1182 set_control_chars();
1188 /* Set the modes if they've changed. */
1189 if (memcmp(&mode, &oldmode, sizeof(mode))) {
1190 SET_TTY(STDERR_FILENO, &mode);
1194 /* Get the terminal name from the entry. */
1195 ttype = _nc_first_name(cur_term->type.term_names);
1198 (void) printf("%s\n", ttype);
1201 (void) fprintf(stderr, "Terminal type is %s.\n", ttype);
1203 * If erase, kill and interrupt characters could have been
1204 * modified and not -Q, display the changes.
1208 report("Erase", VERASE, CERASE);
1209 report("Kill", VKILL, CKILL);
1210 report("Interrupt", VINTR, CINTR);
1216 err("The -S option is not supported under terminfo.");
1221 * Figure out what shell we're using. A hack, we look for an
1222 * environmental variable SHELL ending in "csh".
1224 if ((p = getenv("SHELL")) != 0
1225 && (len = strlen(p)) >= 3
1226 && !strcmp(p + len - 3, "csh"))
1227 p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
1230 (void) printf(p, ttype);
1233 return EXIT_SUCCESS;