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Annotation of 43BSDReno/usr.bin/tput/tput.c, revision 1.1

1.1     ! root        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 are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: char copyright[] =
        !            22: "@(#) Copyright (c) 1980, 1988 The Regents of the University of California.\n\
        !            23:  All rights reserved.\n";
        !            24: #endif /* not lint */
        !            25: 
        !            26: #ifndef lint
        !            27: static char sccsid[] = "@(#)tput.c     5.7 (Berkeley) 6/7/90";
        !            28: #endif /* not lint */
        !            29: 
        !            30: #include <sys/termios.h>
        !            31: #include <stdio.h>
        !            32: #include <unistd.h>
        !            33: 
        !            34: main(argc, argv)
        !            35:        int argc;
        !            36:        char **argv;
        !            37: {
        !            38:        extern char *optarg;
        !            39:        extern int optind;
        !            40:        int ch, exitval, n, outc();
        !            41:        char *cptr, *p, *term, buf[1024], tbuf[1024];
        !            42:        char *getenv(), *tgetstr(), *realname();
        !            43: 
        !            44:        term = NULL;
        !            45:        while ((ch = getopt(argc, argv, "T:")) != EOF)
        !            46:                switch(ch) {
        !            47:                case 'T':
        !            48:                        term = optarg;
        !            49:                        break;
        !            50:                case '?':
        !            51:                default:
        !            52:                        usage();
        !            53:                }
        !            54:        argc -= optind;
        !            55:        argv += optind;
        !            56: 
        !            57:        if (!term && !(term = getenv("TERM"))) {
        !            58:                (void)fprintf(stderr, "tput: no terminal type specified.\n");
        !            59:                exit(2);
        !            60:        }
        !            61:        if (tgetent(tbuf, term) != 1) {
        !            62:                (void)fprintf(stderr, "tput: tgetent failure.\n");
        !            63:                exit(2);
        !            64:        }
        !            65:        setospeed();
        !            66:        for (cptr = buf, exitval = 0; p = *argv; ++argv) {
        !            67:                switch(*p) {
        !            68:                case 'c':
        !            69:                        if (!strcmp(p, "clear"))
        !            70:                                p = "cl";
        !            71:                        break;
        !            72:                case 'i':
        !            73:                        if (!strcmp(p, "init"))
        !            74:                                p = "is";
        !            75:                        break;
        !            76:                case 'l':
        !            77:                        if (!strcmp(p, "longname"))
        !            78:                                prlongname(tbuf);
        !            79:                        continue;
        !            80:                case 'r':
        !            81:                        if (!strcmp(p, "reset"))
        !            82:                                p = "rs";
        !            83:                        break;
        !            84:                }
        !            85:                if (tgetstr(p, &cptr))
        !            86:                        (void)tputs(buf, 1, outc);
        !            87:                else if ((n = tgetnum(p)) != -1)
        !            88:                        (void)printf("%d\n", n);
        !            89:                else
        !            90:                        exitval = !tgetflag(p);
        !            91:        }
        !            92:        exit(exitval);
        !            93: }
        !            94: 
        !            95: prlongname(buf)
        !            96:        char *buf;
        !            97: {
        !            98:        register char *p;
        !            99:        int savech;
        !           100:        char *savep;
        !           101: 
        !           102:        for (p = buf; *p && *p != ':'; ++p);
        !           103:        savech = *(savep = p);
        !           104:        for (*p = '\0'; p >= buf && *p != '|'; --p);
        !           105:        (void)printf("%s\n", p + 1);
        !           106:        *savep = savech;
        !           107: }
        !           108: 
        !           109: setospeed()
        !           110: {
        !           111:        extern int errno, ospeed;
        !           112:        struct termios t;
        !           113:        char *strerror();
        !           114: 
        !           115:        if (tcgetattr(STDOUT_FILENO, &t) != -1)
        !           116:                ospeed = 0;
        !           117:        else
        !           118:                ospeed = cfgetospeed(&t);
        !           119: }
        !           120: 
        !           121: outc(c)
        !           122:        int c;
        !           123: {
        !           124:        putchar(c);
        !           125: }
        !           126: 
        !           127: usage()
        !           128: {
        !           129:        (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
        !           130:        exit(1);
        !           131: }

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