1 /****************************************************************************
2 * Copyright (c) 1998-2009,2010 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 ****************************************************************************/
37 * The initial adaptation from 4.4BSD Lite sources in September 1995 used 686
38 * lines from that version, and made changes/additions for 150 lines. There
39 * was no reformatting, so with/without ignoring whitespace, the amount of
42 * Comparing with current (2009) source, excluding this comment:
43 * a) 209 lines match identically to the 4.4BSD Lite sources, with 771 lines
45 * a) Ignoring whitespace, the current version still uses 516 lines from the
46 * 4.4BSD Lite sources, with 402 lines changed/added.
48 * Raymond's original comment on this follows...
52 * tset.c - terminal initialization utility
54 * This code was mostly swiped from 4.4BSD tset, with some obsolescent
55 * cruft removed and substantial portions rewritten. A Regents of the
56 * University of California copyright applies to some portions of the
57 * code, and is reproduced below:
60 * Copyright (c) 1980, 1991, 1993
61 * The Regents of the University of California. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
66 * 1. Redistributions of source code must retain the above copyright
67 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in the
70 * documentation and/or other materials provided with the distribution.
71 * 3. Neither the name of the University nor the names of its contributors
72 * may be used to endorse or promote products derived from this software
73 * without specific prior written permission.
75 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
76 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
77 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
78 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
79 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
80 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
81 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
82 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
83 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
84 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
89 #define __INTERNAL_CAPS_VISIBLE /* we need to see has_hardware_tabs */
90 #include <progs.priv.h>
97 #if HAVE_GETTTYNAM && HAVE_TTYENT_H
101 char *ttyname(int fd);
105 # if !defined(sun) || !TERMIOS
106 # if HAVE_SYS_IOCTL_H
107 # include <sys/ioctl.h>
113 /* they neglected to define struct winsize in termios.h -- it's only
115 #include <sys/stream.h>
116 #include <sys/ptem.h>
119 #include <dump_entry.h>
120 #include <transform.h>
122 MODULE_ID("$Id: tset.c,v 1.81 2010/01/16 15:20:23 tom Exp $")
125 * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
126 * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
129 # define IOCTL_GET_WINSIZE TIOCGSIZE
130 # define IOCTL_SET_WINSIZE TIOCSSIZE
131 # define STRUCT_WINSIZE struct ttysize
132 # define WINSIZE_ROWS(n) n.ts_lines
133 # define WINSIZE_COLS(n) n.ts_cols
136 # define IOCTL_GET_WINSIZE TIOCGWINSZ
137 # define IOCTL_SET_WINSIZE TIOCSWINSZ
138 # define STRUCT_WINSIZE struct winsize
139 # define WINSIZE_ROWS(n) n.ws_row
140 # define WINSIZE_COLS(n) n.ws_col
145 extern char **environ;
149 #define CTRL(x) ((x) & 0x1f)
151 const char *_nc_progname = "tset";
153 static TTY mode, oldmode, original;
155 static bool opt_c; /* set control-chars */
156 static bool opt_w; /* set window-size */
158 static bool can_restore = FALSE;
159 static bool isreset = FALSE; /* invoked as reset */
160 static int terasechar = -1; /* new erase character */
161 static int intrchar = -1; /* new interrupt character */
162 static int tkillchar = -1; /* new kill character */
163 static int tlines, tcolumns; /* window size */
165 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
168 CaselessCmp(const char *a, const char *b)
169 { /* strcasecmp isn't portable */
171 int cmp = LOWERCASE(*a) - LOWERCASE(*b);
176 return LOWERCASE(*a) - LOWERCASE(*b);
183 SET_TTY(STDERR_FILENO, &original);
184 (void) fprintf(stderr, "\n");
186 ExitProgram(EXIT_FAILURE);
191 err(const char *fmt,...)
195 (void) fprintf(stderr, "%s: ", _nc_progname);
196 (void) vfprintf(stderr, fmt, ap);
203 failed(const char *msg)
206 unsigned len = strlen(_nc_progname) + 2;
208 if ((int) len < (int) sizeof(temp) - 12) {
209 strcpy(temp, _nc_progname);
212 strcpy(temp, "tset: ");
214 perror(strncat(temp, msg, sizeof(temp) - strlen(temp) - 2));
226 if ((fp = fopen(file, "r")) == 0)
229 while ((nr = fread(buf, sizeof(char), sizeof(buf), fp)) != 0)
230 if (fwrite(buf, sizeof(char), nr, stderr) != nr)
231 failed("write to stderr");
238 return putc(c, stderr);
241 /* Prompt the user for a terminal type. */
243 askuser(const char *dflt)
245 static char answer[256];
248 /* We can get recalled; if so, don't continue uselessly. */
250 if (feof(stdin) || ferror(stdin)) {
251 (void) fprintf(stderr, "\n");
257 (void) fprintf(stderr, "Terminal type? [%s] ", dflt);
259 (void) fprintf(stderr, "Terminal type? ");
260 (void) fflush(stderr);
262 if (fgets(answer, sizeof(answer), stdin) == 0) {
270 if ((p = strchr(answer, '\n')) != 0)
279 /**************************************************************************
281 * Mapping logic begins here
283 **************************************************************************/
285 /* Baud rate conditionals for mapping. */
294 struct map *next; /* Linked list of maps. */
295 const char *porttype; /* Port type, or "" for any. */
296 const char *type; /* Terminal type to select. */
297 int conditional; /* Baud rate conditionals bitmask. */
298 int speed; /* Baud rate to compare against. */
301 static MAP *cur, *maplist;
303 typedef struct speeds {
308 static const SPEEDS speeds[] =
325 /* sgttyb may define up to this point */
368 tbaudrate(char *rate)
373 /* The baudrate number can be preceded by a 'B', which is ignored. */
377 for (sp = speeds; sp->string; ++sp) {
378 if (!CaselessCmp(rate, sp->string)) {
384 err("unknown baud rate %s", rate);
390 * [port-type][test baudrate]:terminal-type
391 * The baud rate tests are: >, <, @, =, !
394 add_mapping(const char *port, char *arg)
402 mapp = typeMalloc(MAP, 1);
403 if (copy == 0 || mapp == 0)
407 cur = maplist = mapp;
413 mapp->porttype = arg;
414 mapp->conditional = 0;
416 arg = strpbrk(arg, "><@=!:");
418 if (arg == 0) { /* [?]term */
419 mapp->type = mapp->porttype;
424 if (arg == mapp->porttype) /* [><@=! baud]:term */
425 termp = mapp->porttype = 0;
429 for (;; ++arg) { /* Optional conditionals. */
432 if (mapp->conditional & GT)
434 mapp->conditional |= LT;
437 if (mapp->conditional & LT)
439 mapp->conditional |= GT;
442 case '=': /* Not documented. */
443 mapp->conditional |= EQ;
446 mapp->conditional |= NOT;
455 if (mapp->conditional)
458 } else { /* Optional baudrate. */
459 arg = strchr(p = arg, ':');
463 mapp->speed = tbaudrate(p);
466 if (arg == (char *) 0) /* Non-optional type. */
471 /* Terminate porttype, if specified. */
475 /* If a NOT conditional, reverse the test. */
476 if (mapp->conditional & NOT)
477 mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
479 /* If user specified a port with an option flag, set it. */
482 if (mapp->porttype) {
484 err("illegal -m option format: %s", copy);
486 mapp->porttype = port;
490 (void) printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
491 (void) printf("type: %s\n", mapp->type);
492 (void) printf("conditional: ");
494 if (mapp->conditional & GT) {
498 if (mapp->conditional & EQ) {
499 (void) printf("%sEQ", p);
502 if (mapp->conditional & LT)
503 (void) printf("%sLT", p);
504 (void) printf("\nspeed: %d\n", mapp->speed);
509 * Return the type of terminal to use for a port of type 'type', as specified
510 * by the first applicable mapping in 'map'. If no mappings apply, return
514 mapped(const char *type)
519 for (mapp = maplist; mapp; mapp = mapp->next)
520 if (mapp->porttype == 0 || !strcmp(mapp->porttype, type)) {
521 switch (mapp->conditional) {
522 case 0: /* No test specified. */
526 match = (ospeed == mapp->speed);
529 match = (ospeed >= mapp->speed);
532 match = (ospeed > mapp->speed);
535 match = (ospeed <= mapp->speed);
538 match = (ospeed < mapp->speed);
546 /* No match found; return given type. */
550 /**************************************************************************
554 **************************************************************************/
557 * Figure out what kind of terminal we're dealing with, and then read in
561 get_termcap_entry(char *userarg)
578 /* Try the environment. */
579 if ((ttype = getenv("TERM")) != 0)
582 if ((ttypath = ttyname(STDERR_FILENO)) != 0) {
583 p = _nc_basename(ttypath);
586 * We have the 4.3BSD library call getttynam(3); that means
587 * there's an /etc/ttys to look up device-to-type mappings in.
588 * Try ttyname(3); check for dialup or other mapping.
590 if ((t = getttynam(p))) {
595 if ((fp = fopen("/etc/ttytype", "r")) != 0
596 || (fp = fopen("/etc/ttys", "r")) != 0) {
600 while (fgets(buffer, sizeof(buffer) - 1, fp) != 0) {
601 for (s = buffer, t = d = 0; *s; s++) {
602 if (isspace(UChar(*s)))
606 else if (d == 0 && s != buffer && s[-1] == '\0')
609 if (t != 0 && d != 0 && !strcmp(d, p)) {
617 #endif /* HAVE_GETTTYNAM */
620 /* If still undefined, use "unknown". */
623 map:ttype = mapped(ttype);
626 * If not a path, remove TERMCAP from the environment so we get a
627 * real entry from /etc/termcap. This prevents us from being fooled
628 * by out of date stuff in the environment.
630 found:if ((p = getenv("TERMCAP")) != 0 && !_nc_is_abs_path(p)) {
631 /* 'unsetenv("TERMCAP")' is not portable.
632 * The 'environ' array is better.
635 for (n = 0; environ[n] != 0; n++) {
636 if (!strncmp("TERMCAP=", environ[n], 8)) {
637 while ((environ[n] = environ[n + 1]) != 0) {
646 * ttype now contains a pointer to the type of the terminal.
647 * If the first character is '?', ask the user.
649 if (ttype[0] == '?') {
650 if (ttype[1] != '\0')
651 ttype = askuser(ttype + 1);
655 /* Find the terminfo entry. If it doesn't exist, ask the user. */
656 while (setupterm((NCURSES_CONST char *) ttype, STDOUT_FILENO, &errret)
659 (void) fprintf(stderr, "%s: unknown terminal type %s\n",
660 _nc_progname, ttype);
663 (void) fprintf(stderr,
664 "%s: can't initialize terminal type %s (error %d)\n",
665 _nc_progname, ttype, errret);
668 ttype = askuser(ttype);
671 tgetflag("am"); /* force lib_termcap.o to be linked for 'ospeed' */
676 /**************************************************************************
680 **************************************************************************/
682 /* some BSD systems have these built in, some systems are missing
683 * one or more definitions. The safest solution is to override unless the
684 * commonly-altered ones are defined.
686 #if !(defined(CERASE) && defined(CINTR) && defined(CKILL) && defined(CQUIT))
699 /* control-character defaults */
701 #define CEOF CTRL('D')
704 #define CERASE CTRL('H')
707 #define CINTR 127 /* ^? */
710 #define CKILL CTRL('U')
713 #define CLNEXT CTRL('v')
716 #define CRPRNT CTRL('r')
719 #define CQUIT CTRL('\\')
722 #define CSTART CTRL('Q')
725 #define CSTOP CTRL('S')
728 #define CSUSP CTRL('Z')
731 #if defined(_POSIX_VDISABLE)
732 #define DISABLED(val) (((_POSIX_VDISABLE != -1) \
733 && ((val) == _POSIX_VDISABLE)) \
736 #define DISABLED(val) ((int)(val) <= 0)
739 #define CHK(val, dft) (DISABLED(val) ? dft : val)
741 static bool set_tabs(void);
744 * Reset the terminal mode bits to a sensible state. Very useful after
745 * a child program dies in raw mode.
751 tcgetattr(STDERR_FILENO, &mode);
753 stty(STDERR_FILENO, &mode);
757 #if defined(VDISCARD) && defined(CDISCARD)
758 mode.c_cc[VDISCARD] = CHK(mode.c_cc[VDISCARD], CDISCARD);
760 mode.c_cc[VEOF] = CHK(mode.c_cc[VEOF], CEOF);
761 mode.c_cc[VERASE] = CHK(mode.c_cc[VERASE], CERASE);
762 #if defined(VFLUSH) && defined(CFLUSH)
763 mode.c_cc[VFLUSH] = CHK(mode.c_cc[VFLUSH], CFLUSH);
765 mode.c_cc[VINTR] = CHK(mode.c_cc[VINTR], CINTR);
766 mode.c_cc[VKILL] = CHK(mode.c_cc[VKILL], CKILL);
767 #if defined(VLNEXT) && defined(CLNEXT)
768 mode.c_cc[VLNEXT] = CHK(mode.c_cc[VLNEXT], CLNEXT);
770 mode.c_cc[VQUIT] = CHK(mode.c_cc[VQUIT], CQUIT);
771 #if defined(VREPRINT) && defined(CRPRNT)
772 mode.c_cc[VREPRINT] = CHK(mode.c_cc[VREPRINT], CRPRNT);
774 #if defined(VSTART) && defined(CSTART)
775 mode.c_cc[VSTART] = CHK(mode.c_cc[VSTART], CSTART);
777 #if defined(VSTOP) && defined(CSTOP)
778 mode.c_cc[VSTOP] = CHK(mode.c_cc[VSTOP], CSTOP);
780 #if defined(VSUSP) && defined(CSUSP)
781 mode.c_cc[VSUSP] = CHK(mode.c_cc[VSUSP], CSUSP);
783 #if defined(VWERASE) && defined(CWERASE)
784 mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE);
787 mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR
796 mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON
841 mode.c_oflag |= (OPOST
847 mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL);
848 mode.c_cflag |= (CS8 | CREAD);
849 mode.c_lflag &= ~(ECHONL | NOFLSH
861 mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK
871 SET_TTY(STDERR_FILENO, &mode);
875 * Returns a "good" value for the erase character. This is loosely based on
885 && key_backspace != 0
886 && strlen(key_backspace) == 1)
887 result = key_backspace[0];
896 * Update the values of the erase, interrupt, and kill characters in 'mode'.
898 * SVr4 tset (e.g., Solaris 2.5) only modifies the intr, quit or erase
899 * characters if they're unset, or if we specify them as options. This differs
900 * from BSD 4.4 tset, which always sets erase.
903 set_control_chars(void)
906 if (DISABLED(mode.c_cc[VERASE]) || terasechar >= 0)
907 mode.c_cc[VERASE] = (terasechar >= 0) ? terasechar : default_erase();
909 if (DISABLED(mode.c_cc[VINTR]) || intrchar >= 0)
910 mode.c_cc[VINTR] = (intrchar >= 0) ? intrchar : CINTR;
912 if (DISABLED(mode.c_cc[VKILL]) || tkillchar >= 0)
913 mode.c_cc[VKILL] = (tkillchar >= 0) ? tkillchar : CKILL;
918 * Set up various conversions in 'mode', including parity, tabs, returns,
919 * echo, and case, according to the termcap entry. If the program we're
920 * running was named with a leading upper-case character, map external
921 * uppercase to internal lowercase.
924 set_conversions(void)
928 * Conversion logic for some *really* ancient terminal glitches,
929 * not supported in terminfo. Left here for succeeding generations
932 if (tgetflag("UC")) {
934 mode.c_iflag |= IUCLC;
935 mode.c_oflag |= OLCUC;
937 } else if (tgetflag("LC")) {
939 mode.c_iflag &= ~IUCLC;
940 mode.c_oflag &= ~OLCUC;
943 mode.c_iflag &= ~(PARMRK | INPCK);
944 mode.c_lflag |= ICANON;
945 if (tgetflag("EP")) {
946 mode.c_cflag |= PARENB;
947 mode.c_cflag &= ~PARODD;
949 if (tgetflag("OP")) {
950 mode.c_cflag |= PARENB;
951 mode.c_cflag |= PARODD;
953 #endif /* __OBSOLETE__ */
957 mode.c_oflag |= ONLCR;
959 mode.c_iflag |= ICRNL;
960 mode.c_lflag |= ECHO;
962 mode.c_oflag |= OXTABS;
965 /* test used to be tgetflag("NL") */
966 if (newline != (char *) 0 && newline[0] == '\n' && !newline[1]) {
967 /* Newline, not linefeed. */
969 mode.c_oflag &= ~ONLCR;
971 mode.c_iflag &= ~ICRNL;
974 if (tgetflag("HD")) /* Half duplex. */
975 mode.c_lflag &= ~ECHO;
976 #endif /* __OBSOLETE__ */
978 /* test used to be tgetflag("pt") */
979 if (has_hardware_tabs) /* Print tabs. */
980 mode.c_oflag &= ~OXTABS;
982 mode.c_lflag |= (ECHOE | ECHOK);
986 /* Output startup string. */
994 if (pad_char != (char *) 0) /* Get/set pad character. */
996 #endif /* OBSOLETE */
999 if (oldmode.c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
1000 oldmode.c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
1001 SET_TTY(STDERR_FILENO, &oldmode);
1004 settle = set_tabs();
1007 if ((p = reset_1string) != 0) {
1011 if ((p = reset_2string) != 0) {
1015 /* What about rf, rs3, as per terminfo man page? */
1016 /* also might be nice to send rmacs, rmul, rmm */
1017 if ((p = reset_file) != 0
1018 || (p = init_file) != 0) {
1025 (void) putc('\r', stderr);
1026 (void) fflush(stderr);
1027 (void) napms(1000); /* Settle the terminal. */
1032 * Set the hardware tabs on the terminal, using the ct (clear all tabs),
1033 * st (set one tab) and ch (horizontal cursor addressing) capabilities.
1034 * This is done before if and is, so they can patch in case we blow this.
1035 * Return TRUE if we set any tab stops, FALSE if not.
1040 if (set_tab && clear_all_tabs) {
1043 (void) putc('\r', stderr); /* Force to left margin. */
1044 tputs(clear_all_tabs, 0, outc);
1046 for (c = 8; c < tcolumns; c += 8) {
1047 /* Get to the right column. In BSD tset, this
1048 * used to try a bunch of half-clever things
1049 * with cup and hpa, for an average saving of
1050 * somewhat less than two character times per
1051 * tab stop, less than .01 sec at 2400cps. We
1052 * lost all this cruft because it seemed to be
1053 * introducing some odd bugs.
1054 * -----------12345678----------- */
1055 (void) fputs(" ", stderr);
1056 tputs(set_tab, 0, outc);
1064 /**************************************************************************
1068 **************************************************************************/
1071 * Tell the user if a control key has been changed from the default value.
1075 report(const char *name, int which, unsigned def)
1077 unsigned older, newer;
1080 newer = mode.c_cc[which];
1081 older = oldmode.c_cc[which];
1083 if (older == newer && older == def)
1086 (void) fprintf(stderr, "%s %s ", name, older == newer ? "is" : "set to");
1088 if (DISABLED(newer))
1089 (void) fprintf(stderr, "undef.\n");
1091 * Check 'delete' before 'backspace', since the key_backspace value
1094 else if (newer == 0177)
1095 (void) fprintf(stderr, "delete.\n");
1096 else if ((p = key_backspace) != 0
1097 && newer == (unsigned char) p[0]
1099 (void) fprintf(stderr, "backspace.\n");
1100 else if (newer < 040) {
1102 (void) fprintf(stderr, "control-%c (^%c).\n", UChar(newer), UChar(newer));
1104 (void) fprintf(stderr, "%c.\n", UChar(newer));
1109 * Convert the obsolete argument forms into something that getopt can handle.
1110 * This means that -e, -i and -k get default arguments supplied for them.
1113 obsolete(char **argv)
1115 for (; *argv; ++argv) {
1116 char *parm = argv[0];
1118 if (parm[0] == '-' && parm[1] == '\0') {
1119 argv[0] = strdup("-q");
1123 if ((parm[0] != '-')
1124 || (argv[1] && argv[1][0] != '-')
1125 || (parm[1] != 'e' && parm[1] != 'i' && parm[1] != 'k')
1126 || (parm[2] != '\0'))
1128 switch (argv[0][1]) {
1130 argv[0] = strdup("-e^H");
1133 argv[0] = strdup("-i^C");
1136 argv[0] = strdup("-k^U");
1145 static const char *tbl[] =
1149 ," -c set control characters"
1150 ," -e ch erase character"
1151 ," -I no initialization strings"
1152 ," -i ch interrupt character"
1153 ," -k ch kill character"
1154 ," -m mapping map identifier to type"
1155 ," -Q do not output control key settings"
1156 ," -r display term on stderr"
1157 ," -s output TERM set command"
1158 ," -V print curses-version"
1159 ," -w set window-size"
1162 (void) fprintf(stderr, "Usage: %s [options] [terminal]\n", _nc_progname);
1163 for (n = 0; n < sizeof(tbl) / sizeof(tbl[0]); ++n)
1164 fprintf(stderr, "%s\n", tbl[n]);
1172 return (char) ((optarg[0] == '^' && optarg[1] != '\0')
1173 ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1]))
1178 main(int argc, char **argv)
1180 int ch, noinit, noset, quiet, Sflag, sflag, showterm;
1185 noinit = noset = quiet = Sflag = sflag = showterm = 0;
1186 while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:np:qQSrsVw")) != -1) {
1188 case 'c': /* set control-chars */
1191 case 'a': /* OBSOLETE: map identifier to type */
1192 add_mapping("arpanet", optarg);
1194 case 'd': /* OBSOLETE: map identifier to type */
1195 add_mapping("dialup", optarg);
1197 case 'e': /* erase character */
1198 terasechar = arg_to_char();
1200 case 'I': /* no initialization strings */
1203 case 'i': /* interrupt character */
1204 intrchar = arg_to_char();
1206 case 'k': /* kill character */
1207 tkillchar = arg_to_char();
1209 case 'm': /* map identifier to type */
1210 add_mapping(0, optarg);
1212 case 'n': /* OBSOLETE: set new tty driver */
1214 case 'p': /* OBSOLETE: map identifier to type */
1215 add_mapping("plugboard", optarg);
1217 case 'Q': /* don't output control key settings */
1220 case 'q': /* display term only */
1223 case 'r': /* display term on stderr */
1226 case 'S': /* OBSOLETE: output TERM & TERMCAP */
1229 case 's': /* output TERM set command */
1232 case 'V': /* print curses-version */
1233 puts(curses_version());
1234 ExitProgram(EXIT_SUCCESS);
1235 case 'w': /* set window-size */
1244 _nc_progname = _nc_rootname(*argv);
1251 if (!opt_c && !opt_w)
1252 opt_c = opt_w = TRUE;
1254 if (GET_TTY(STDERR_FILENO, &mode) < 0)
1255 failed("standard error");
1257 original = oldmode = mode;
1259 ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
1261 ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
1264 if (same_program(_nc_progname, PROG_RESET)) {
1269 ttype = get_termcap_entry(*argv);
1278 /* Set window size if not set already */
1279 (void) ioctl(STDERR_FILENO, IOCTL_GET_WINSIZE, &win);
1280 if (WINSIZE_ROWS(win) == 0 &&
1281 WINSIZE_COLS(win) == 0 &&
1282 tlines > 0 && tcolumns > 0) {
1283 WINSIZE_ROWS(win) = tlines;
1284 WINSIZE_COLS(win) = tcolumns;
1285 (void) ioctl(STDERR_FILENO, IOCTL_SET_WINSIZE, &win);
1290 set_control_chars();
1296 /* Set the modes if they've changed. */
1297 if (memcmp(&mode, &oldmode, sizeof(mode))) {
1298 SET_TTY(STDERR_FILENO, &mode);
1303 /* Get the terminal name from the entry. */
1304 ttype = _nc_first_name(cur_term->type.term_names);
1307 (void) printf("%s\n", ttype);
1310 (void) fprintf(stderr, "Terminal type is %s.\n", ttype);
1312 * If erase, kill and interrupt characters could have been
1313 * modified and not -Q, display the changes.
1317 report("Erase", VERASE, CERASE);
1318 report("Kill", VKILL, CKILL);
1319 report("Interrupt", VINTR, CINTR);
1325 err("The -S option is not supported under terminfo.");
1332 * Figure out what shell we're using. A hack, we look for an
1333 * environmental variable SHELL ending in "csh".
1335 if ((var = getenv("SHELL")) != 0
1336 && ((len = (int) strlen(leaf = _nc_basename(var))) >= 3)
1337 && !strcmp(leaf + len - 3, "csh"))
1338 p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
1341 (void) printf(p, ttype);
1344 ExitProgram(EXIT_SUCCESS);