BSD 4_3_Net_2 release

[unix-history] / usr / src / usr.bin / tput / tput.c

/*-
* Copyright (c) 1980, 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980, 1988 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)tput.c      5.7 (Berkeley) 6/7/90";
#endif /* not lint */

#include <sys/termios.h>
#include <stdio.h>
#include <unistd.h>

main(argc, argv)
       int argc;
       char **argv;
{
       extern char *optarg;
       extern int optind;
       int ch, exitval, n, outc();
       char *cptr, *p, *term, buf[1024], tbuf[1024];
       char *getenv(), *tgetstr(), *realname();

       term = NULL;
       while ((ch = getopt(argc, argv, "T:")) != EOF)
               switch(ch) {
               case 'T':
                       term = optarg;
                       break;
               case '?':
               default:
                       usage();
               }
       argc -= optind;
       argv += optind;

       if (!term && !(term = getenv("TERM"))) {
               (void)fprintf(stderr, "tput: no terminal type specified.\n");
               exit(2);
       }
       if (tgetent(tbuf, term) != 1) {
               (void)fprintf(stderr, "tput: tgetent failure.\n");
               exit(2);
       }
       setospeed();
       for (cptr = buf, exitval = 0; p = *argv; ++argv) {
               switch(*p) {
               case 'c':
                       if (!strcmp(p, "clear"))
                               p = "cl";
                       break;
               case 'i':
                       if (!strcmp(p, "init"))
                               p = "is";
                       break;
               case 'l':
                       if (!strcmp(p, "longname"))
                               prlongname(tbuf);
                       continue;
               case 'r':
                       if (!strcmp(p, "reset"))
                               p = "rs";
                       break;
               }
               if (tgetstr(p, &cptr))
                       (void)tputs(buf, 1, outc);
               else if ((n = tgetnum(p)) != -1)
                       (void)printf("%d\n", n);
               else
                       exitval = !tgetflag(p);
       }
       exit(exitval);
}

prlongname(buf)
       char *buf;
{
       register char *p;
       int savech;
       char *savep;

       for (p = buf; *p && *p != ':'; ++p);
       savech = *(savep = p);
       for (*p = '\0'; p >= buf && *p != '|'; --p);
       (void)printf("%s\n", p + 1);
       *savep = savech;
}

setospeed()
{
       extern int errno, ospeed;
       struct termios t;
       char *strerror();

       if (tcgetattr(STDOUT_FILENO, &t) != -1)
               ospeed = 0;
       else
               ospeed = cfgetospeed(&t);
}

outc(c)
       int c;
{
       putchar(c);
}

usage()
{
       (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
       exit(1);
}