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tput.c revision 1.2 
      1 /*-
      2  * Copyright (c) 1980, 1988 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 char copyright[] =
     36 "@(#) Copyright (c) 1980, 1988 The Regents of the University of California.\n\
     37  All rights reserved.\n";
     38 #endif /* not lint */
     39 
     40 #ifndef lint
     41 /*static char sccsid[] = "from: @(#)tput.c	5.7 (Berkeley) 6/7/90";*/
     42 static char rcsid[] = "$Id: tput.c,v 1.2 1993/08/01 18:04:38 mycroft Exp $";
     43 #endif /* not lint */
     44 
     45 #include <sys/termios.h>
     46 #include <stdio.h>
     47 #include <unistd.h>
     48 
     49 main(argc, argv)
     50 	int argc;
     51 	char **argv;
     52 {
     53 	extern char *optarg;
     54 	extern int optind;
     55 	int ch, exitval, n, outc();
     56 	char *cptr, *p, *term, buf[1024], tbuf[1024];
     57 	char *getenv(), *tgetstr(), *realname();
     58 
     59 	term = NULL;
     60 	while ((ch = getopt(argc, argv, "T:")) != EOF)
     61 		switch(ch) {
     62 		case 'T':
     63 			term = optarg;
     64 			break;
     65 		case '?':
     66 		default:
     67 			usage();
     68 		}
     69 	argc -= optind;
     70 	argv += optind;
     71 
     72 	if (!term && !(term = getenv("TERM"))) {
     73 		(void)fprintf(stderr, "tput: no terminal type specified.\n");
     74 		exit(2);
     75 	}
     76 	if (tgetent(tbuf, term) != 1) {
     77 		(void)fprintf(stderr, "tput: tgetent failure.\n");
     78 		exit(2);
     79 	}
     80 	setospeed();
     81 	for (cptr = buf, exitval = 0; p = *argv; ++argv) {
     82 		switch(*p) {
     83 		case 'c':
     84 			if (!strcmp(p, "clear"))
     85 				p = "cl";
     86 			break;
     87 		case 'i':
     88 			if (!strcmp(p, "init"))
     89 				p = "is";
     90 			break;
     91 		case 'l':
     92 			if (!strcmp(p, "longname"))
     93 				prlongname(tbuf);
     94 			continue;
     95 		case 'r':
     96 			if (!strcmp(p, "reset"))
     97 				p = "rs";
     98 			break;
     99 		}
    100 		if (tgetstr(p, &cptr))
    101 			(void)tputs(buf, 1, outc);
    102 		else if ((n = tgetnum(p)) != -1)
    103 			(void)printf("%d\n", n);
    104 		else
    105 			exitval = !tgetflag(p);
    106 	}
    107 	exit(exitval);
    108 }
    109 
    110 prlongname(buf)
    111 	char *buf;
    112 {
    113 	register char *p;
    114 	int savech;
    115 	char *savep;
    116 
    117 	for (p = buf; *p && *p != ':'; ++p);
    118 	savech = *(savep = p);
    119 	for (*p = '\0'; p >= buf && *p != '|'; --p);
    120 	(void)printf("%s\n", p + 1);
    121 	*savep = savech;
    122 }
    123 
    124 setospeed()
    125 {
    126 	extern int errno, ospeed;
    127 	struct termios t;
    128 	char *strerror();
    129 
    130 	if (tcgetattr(STDOUT_FILENO, &t) != -1)
    131 		ospeed = 0;
    132 	else
    133 		ospeed = cfgetospeed(&t);
    134 }
    135 
    136 outc(c)
    137 	int c;
    138 {
    139 	putchar(c);
    140 }
    141 
    142 usage()
    143 {
    144 	(void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
    145 	exit(1);
    146 }
    147