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1.1 deraadt 1: /* $NetBSD: tput.c,v 1.8 1995/08/31 22:11:37 jtc Exp $ */
2:
3: /*-
4: * Copyright (c) 1980, 1988, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: static char copyright[] =
38: "@(#) Copyright (c) 1980, 1988, 1993\n\
39: The Regents of the University of California. All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: #if 0
44: static char sccsid[] = "@(#)tput.c 8.3 (Berkeley) 4/28/95";
45: #endif
46: static char rcsid[] = "$NetBSD: tput.c,v 1.8 1995/08/31 22:11:37 jtc Exp $";
47: #endif /* not lint */
48:
49: #include <termios.h>
50:
51: #include <err.h>
52: #include <curses.h>
53: #include <stdio.h>
54: #include <stdlib.h>
55: #include <unistd.h>
56:
57: static void prlongname __P((char *));
58: static void setospeed __P((void));
59: static void outc __P((int));
60: static void usage __P((void));
61: static char **process __P((char *, char *, char **));
62:
63: int
64: main(argc, argv)
65: int argc;
66: char **argv;
67: {
68: extern char *optarg;
69: extern int optind;
70: int ch, exitval, n;
71: char *cptr, *p, *term, buf[1024], tbuf[1024];
72:
73: term = NULL;
74: while ((ch = getopt(argc, argv, "T:")) != EOF)
75: switch(ch) {
76: case 'T':
77: term = optarg;
78: break;
79: case '?':
80: default:
81: usage();
82: }
83: argc -= optind;
84: argv += optind;
85:
86: if (!term && !(term = getenv("TERM")))
87: errx(2, "no terminal type specified and no TERM environmental variable.");
88: if (tgetent(tbuf, term) != 1)
89: err(2, "tgetent failure");
90: setospeed();
91: for (exitval = 0; (p = *argv) != NULL; ++argv) {
92: switch (*p) {
93: case 'c':
94: if (!strcmp(p, "clear"))
95: p = "cl";
96: break;
97: case 'i':
98: if (!strcmp(p, "init"))
99: p = "is";
100: break;
101: case 'l':
102: if (!strcmp(p, "longname")) {
103: prlongname(tbuf);
104: continue;
105: }
106: break;
107: case 'r':
108: if (!strcmp(p, "reset"))
109: p = "rs";
110: break;
111: }
112: cptr = buf;
113: if (tgetstr(p, &cptr))
114: argv = process(p, buf, argv);
115: else if ((n = tgetnum(p)) != -1)
116: (void)printf("%d\n", n);
117: else
118: exitval = !tgetflag(p);
119:
120: if (argv == NULL)
121: break;
122: }
123: exit(argv ? exitval : 2);
124: }
125:
126: static void
127: prlongname(buf)
128: char *buf;
129: {
130: int savech;
131: char *p, *savep;
132:
133: for (p = buf; *p && *p != ':'; ++p)
134: continue;
135: savech = *(savep = p);
136: for (*p = '\0'; p >= buf && *p != '|'; --p)
137: continue;
138: (void)printf("%s\n", p + 1);
139: *savep = savech;
140: }
141:
142: static char **
143: process(cap, str, argv)
144: char *cap, *str, **argv;
145: {
146: static char errfew[] =
147: "not enough arguments (%d) for capability `%s'";
148: static char errmany[] =
149: "too many arguments (%d) for capability `%s'";
150: static char erresc[] =
151: "unknown %% escape `%c' for capability `%s'";
152: char *cp;
153: int arg_need, arg_rows, arg_cols;
154:
155: /* Count how many values we need for this capability. */
156: for (cp = str, arg_need = 0; *cp != '\0'; cp++)
157: if (*cp == '%')
158: switch (*++cp) {
159: case 'd':
160: case '2':
161: case '3':
162: case '.':
163: case '+':
164: arg_need++;
165: break;
166: case '%':
167: case '>':
168: case 'i':
169: case 'r':
170: case 'n':
171: case 'B':
172: case 'D':
173: break;
174: default:
175: /*
176: * hpux has lot's of them, but we complain
177: */
178: errx(2, erresc, *cp, cap);
179: }
180:
181: /* And print them. */
182: switch (arg_need) {
183: case 0:
184: (void)tputs(str, 1, outc);
185: break;
186: case 1:
187: arg_cols = 0;
188:
189: if (*++argv == NULL || *argv[0] == '\0')
190: errx(2, errfew, 1, cap);
191: arg_rows = atoi(*argv);
192:
193: (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc);
194: break;
195: case 2:
196: if (*++argv == NULL || *argv[0] == '\0')
197: errx(2, errfew, 2, cap);
198: arg_rows = atoi(*argv);
199:
200: if (*++argv == NULL || *argv[0] == '\0')
201: errx(2, errfew, 2, cap);
202: arg_cols = atoi(*argv);
203:
204: (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc);
205: break;
206:
207: default:
208: errx(2, errmany, arg_need, cap);
209: }
210: return (argv);
211: }
212:
213: static void
214: setospeed()
215: {
216: #undef ospeed
217: extern short ospeed;
218: struct termios t;
219:
220: if (tcgetattr(STDOUT_FILENO, &t) != -1)
221: ospeed = 0;
222: else
223: ospeed = cfgetospeed(&t);
224: }
225:
226: static void
227: outc(c)
228: int c;
229: {
230: (void)putchar(c);
231: }
232:
233: static void
234: usage()
235: {
236: (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
237: exit(1);
238: }