1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33 34__FBSDID("$FreeBSD$"); 35 36#ifndef lint 37static const char copyright[] = 38"@(#) Copyright (c) 1980, 1988, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"; 40#endif 41 42#ifndef lint 43static const char sccsid[] = "@(#)tput.c 8.2 (Berkeley) 3/19/94"; 44#endif 45 46#include <termios.h> 47 48#include <err.h> 49#include <termcap.h> 50#include <stdio.h> 51#include <stdlib.h> 52#include <string.h> 53#include <unistd.h> 54 55#undef putchar 56#define outc putchar 57 58static void prlongname(char *); 59static void usage(void); 60static char **process(const char *, char *, char **); 61 62int 63main(int argc, char **argv) 64{ 65 int ch, exitval, n; 66 char *cptr, *term, buf[1024], tbuf[1024]; 67 const char *p; 68 69 term = NULL; 70 while ((ch = getopt(argc, argv, "T:")) != -1) 71 switch(ch) { 72 case 'T': 73 term = optarg; 74 break; 75 case '?': 76 default: 77 usage(); 78 } 79 argc -= optind; 80 argv += optind; 81 82 if (argc < 1) 83 usage(); 84 85 if (!term && !(term = getenv("TERM"))) 86errx(2, "no terminal type specified and no TERM environmental variable."); 87 if (tgetent(tbuf, term) != 1) 88 err(3, "tgetent failure"); 89 for (exitval = 0; (p = *argv) != NULL; ++argv) { 90 switch (*p) { 91 case 'c': 92 if (!strcmp(p, "clear")) 93 p = "cl"; 94 break; 95 case 'i': 96 if (!strcmp(p, "init")) 97 p = "is"; 98 break; 99 case 'l': 100 if (!strcmp(p, "longname")) { 101 prlongname(tbuf); 102 continue; 103 } 104 break; 105 case 'r': 106 if (!strcmp(p, "reset")) 107 p = "rs"; 108 break; 109 } 110 cptr = buf; 111 if (tgetstr(p, &cptr)) 112 argv = process(p, buf, argv); 113 else if ((n = tgetnum(p)) != -1) 114 (void)printf("%d\n", n); 115 else 116 exitval = !tgetflag(p); 117 } 118 exit(exitval); 119} 120 121static void 122prlongname(char *buf) 123{ 124 int savech; 125 char *p, *savep; 126 127 for (p = buf; *p && *p != ':'; ++p); 128 savech = *(savep = p); 129 for (*p = '\0'; p >= buf && *p != '|'; --p); 130 (void)printf("%s\n", p + 1); 131 *savep = savech; 132} 133 134static char ** 135process(const char *cap, char *str, char **argv) 136{ 137 static const char errfew[] = 138 "not enough arguments (%d) for capability `%s'"; 139 static const char errmany[] = 140 "too many arguments (%d) for capability `%s'"; 141 static const char erresc[] = 142 "unknown %% escape `%c' for capability `%s'"; 143 char *cp; 144 int arg_need, arg_rows, arg_cols; 145 146 /* Count how many values we need for this capability. */ 147 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 148 if (*cp == '%') 149 switch (*++cp) { 150 case 'd': 151 case '2': 152 case '3': 153 case '.': 154 case '+': 155 arg_need++; 156 break; 157 case '%': 158 case '>': 159 case 'i': 160 case 'r': 161 case 'n': 162 case 'B': 163 case 'D': 164 break; 165 case 'p': 166 if (cp[1]) { 167 cp++; 168 break; 169 } 170 default: 171 /* 172 * hpux has lot's of them, but we complain 173 */ 174 warnx(erresc, *cp, cap); 175 } 176 177 /* And print them. */ 178 switch (arg_need) { 179 case 0: 180 (void)tputs(str, 1, outc); 181 break; 182 case 1: 183 arg_cols = 0; 184 185 if (*++argv == NULL || *argv[0] == '\0') 186 errx(2, errfew, 1, cap); 187 arg_rows = atoi(*argv); 188 189 (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc); 190 break; 191 case 2: 192 if (*++argv == NULL || *argv[0] == '\0') 193 errx(2, errfew, 2, cap); 194 arg_cols = atoi(*argv); 195 196 if (*++argv == NULL || *argv[0] == '\0') 197 errx(2, errfew, 2, cap); 198 arg_rows = atoi(*argv); 199 200 (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc); 201 break; 202 203 default: 204 errx(2, errmany, arg_need, cap); 205 } 206 return (argv); 207} 208 209static void 210usage(void) 211{ 212 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 213 exit(2); 214} 215