1 /****************************************************************************
2 * Copyright (c) 1998-2015,2016 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 *
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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 *
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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 * tput.c -- shellscript access to terminal capabilities
38 * by Eric S. Raymond <esr@snark.thyrsus.com>, portions based on code from
39 * Ross Ridge's mytinfo package.
42 #include <tparm_type.h>
43 #include <clear_cmd.h>
44 #include <reset_cmd.h>
47 #include <dump_entry.h>
50 #include <transform.h>
52 MODULE_ID("$Id: tput.c,v 1.63 2016/10/23 01:08:28 tom Exp $")
54 #define PUTS(s) fputs(s, stdout)
56 const char *_nc_progname = "tput";
58 static char *prg_name;
59 static bool is_init = FALSE;
60 static bool is_reset = FALSE;
61 static bool is_clear = FALSE;
64 quit(int status, const char *fmt,...)
69 fprintf(stderr, "%s: ", prg_name);
70 vfprintf(stderr, fmt, argp);
71 fprintf(stderr, "\n");
79 fprintf(stderr, "usage: %s [-V] [-S] [-T term] capname\n", prg_name);
80 ExitProgram(EXIT_FAILURE);
84 check_aliases(char *name, bool program)
86 static char my_init[] = "init";
87 static char my_reset[] = "reset";
88 static char my_clear[] = "clear";
91 if ((is_init = same_program(name, program ? PROG_INIT : my_init)))
93 if ((is_reset = same_program(name, program ? PROG_RESET : my_reset)))
95 if ((is_clear = same_program(name, program ? PROG_CLEAR : my_clear)))
101 exit_code(int token, int value)
107 result = !value; /* TRUE=0, FALSE=1 */
110 result = 0; /* always zero */
113 result = value; /* 0=normal, 1=missing */
120 tput_cmd(int argc, char *argv[])
122 NCURSES_CONST char *name;
126 bool termcap = FALSE;
129 name = check_aliases(argv[0], FALSE);
130 if (is_reset || is_init) {
133 int terasechar = -1; /* new erase character */
134 int intrchar = -1; /* new interrupt character */
135 int tkillchar = -1; /* new kill character */
137 int my_fd = save_tty_settings(&mode);
139 reset_start(stdout, is_reset, is_init);
140 reset_tty_settings(&mode);
143 set_window_size(my_fd, &lines, &columns);
147 set_control_chars(&mode, terasechar, intrchar, tkillchar);
148 set_conversions(&mode);
149 if (send_init_strings(&oldmode)) {
153 update_tty_settings(&oldmode, &mode);
157 if (strcmp(name, "longname") == 0) {
164 if (strcmp(name, "clear") == 0) {
166 } else if ((status = tigetflag(name)) != -1) {
167 return exit_code(BOOLEAN, status);
168 } else if ((status = tigetnum(name)) != CANCELLED_NUMERIC) {
169 (void) printf("%d\n", status);
170 return exit_code(NUMBER, 0);
171 } else if ((s = tigetstr(name)) == CANCELLED_STRING) {
174 const struct name_table_entry *np;
177 if ((np = _nc_find_entry(name, _nc_get_hash_table(termcap))) != 0) {
178 switch (np->nte_type) {
180 if (bool_from_termcap[np->nte_index])
181 name = boolnames[np->nte_index];
185 if (num_from_termcap[np->nte_index])
186 name = numnames[np->nte_index];
190 if (str_from_termcap[np->nte_index])
191 name = strnames[np->nte_index];
198 quit(4, "unknown terminfo capability '%s'", name);
199 } else if (s != ABSENT_STRING) {
203 long numbers[1 + NUM_PARM];
204 char *strings[1 + NUM_PARM];
205 char *p_is_s[NUM_PARM];
207 /* Nasty hack time. The tparm function needs to see numeric
208 * parameters as numbers, not as pointers to their string
212 for (k = 1; k < argc; k++) {
214 strings[k] = argv[k];
215 numbers[k] = strtol(argv[k], &tmp, 0);
216 if (tmp == 0 || *tmp != 0)
219 for (k = argc; k <= NUM_PARM; k++) {
224 switch (tparm_type(name)) {
226 s = TPARM_2(s, numbers[1], strings[2]);
229 s = TPARM_3(s, numbers[1], strings[2], strings[3]);
233 (void) _nc_tparm_analyze(s, p_is_s, &ignored);
234 #define myParam(n) (p_is_s[n - 1] != 0 ? ((TPARM_ARG) strings[n]) : numbers[n])
249 /* use putp() in order to perform padding */
251 return exit_code(STRING, 0);
253 return exit_code(STRING, 1);
257 main(int argc, char **argv)
266 prg_name = check_aliases(_nc_rootname(argv[0]), TRUE);
268 term = getenv("TERM");
270 while ((c = getopt(argc, argv, "ST:V")) != -1) {
280 puts(curses_version());
281 ExitProgram(EXIT_SUCCESS);
289 * Modify the argument list to omit the options we processed.
291 if (is_clear || is_reset || is_init) {
292 if (optind-- < argc) {
302 if (term == 0 || *term == '\0')
303 quit(2, "No value for $TERM and no -T specified");
305 if (setupterm(term, STDOUT_FILENO, &errret) != OK && errret <= 0)
306 quit(3, "unknown terminal \"%s\"", term);
309 if ((argc <= 0) && !(is_clear || is_reset || is_init))
311 ExitProgram(tput_cmd(argc, argv));
314 while (fgets(buf, sizeof(buf), stdin) != 0) {
315 char *argvec[16]; /* command, 9 parms, null, & slop */
319 /* crack the argument list into a dope vector */
320 for (cp = buf; *cp; cp++) {
321 if (isspace(UChar(*cp))) {
323 } else if (cp == buf || cp[-1] == 0) {
324 argvec[argnum++] = cp;
325 if (argnum >= (int) SIZEOF(argvec) - 1)
332 && tput_cmd(argnum, argvec) != 0) {
334 result = 4; /* will return value >4 */