1 /*- 2 * Copyright (c) 1980, 1988, 1993 3 * The Regents of the University of California. 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 * @(#) Copyright (c) 1980, 1988, 1993 The Regents of the University of California. All rights reserved. 34 * @(#)tput.c 8.2 (Berkeley) 3/19/94 35 * $FreeBSD: src/usr.bin/tput/tput.c,v 1.7.6.3 2002/08/17 14:52:50 tjr Exp $ 36 * $DragonFly: src/usr.bin/tput/tput.c,v 1.5 2005/07/30 11:53:52 liamfoy Exp $ 37 */ 38 39 #include <termios.h> 40 41 #include <err.h> 42 #include <termcap.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #undef putchar 49 #define outc putchar 50 51 static void prlongname(char *); 52 static void usage(void); 53 static char **process(const char *, const char *, char **); 54 55 int 56 main(int argc, char **argv) 57 { 58 int ch, exitval, n; 59 char *cptr, *term, buf[1024], tbuf[1024]; 60 const char *p; 61 62 term = NULL; 63 while ((ch = getopt(argc, argv, "T:")) != -1) 64 switch(ch) { 65 case 'T': 66 term = optarg; 67 break; 68 case '?': 69 default: 70 usage(); 71 } 72 argc -= optind; 73 argv += optind; 74 75 if (!term && !(term = getenv("TERM"))) 76 errx(2, "no terminal type specified and no TERM environmental variable."); 77 if (tgetent(tbuf, term) != 1) 78 err(3, "tgetent failure"); 79 for (exitval = 0; (p = *argv) != NULL; ++argv) { 80 switch (*p) { 81 case 'c': 82 if (!strcmp(p, "clear")) 83 p = "cl"; 84 break; 85 case 'i': 86 if (!strcmp(p, "init")) 87 p = "is"; 88 break; 89 case 'l': 90 if (!strcmp(p, "longname")) { 91 prlongname(tbuf); 92 continue; 93 } 94 break; 95 case 'r': 96 if (!strcmp(p, "reset")) 97 p = "rs"; 98 break; 99 } 100 cptr = buf; 101 if (tgetstr(p, &cptr)) 102 argv = process(p, buf, argv); 103 else if ((n = tgetnum(p)) != -1) 104 (void)printf("%d\n", n); 105 else 106 exitval = !tgetflag(p); 107 } 108 exit(exitval); 109 } 110 111 static void 112 prlongname(char *buf) 113 { 114 int savech; 115 char *p, *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 static char ** 125 process(const char *cap, const char *str, char **argv) 126 { 127 static char errfew[] = 128 "not enough arguments (%d) for capability `%s'"; 129 static char errmany[] = 130 "too many arguments (%d) for capability `%s'"; 131 static char erresc[] = 132 "unknown %% escape `%c' for capability `%s'"; 133 const char *cp; 134 int arg_need, arg_rows, arg_cols; 135 136 /* Count how many values we need for this capability. */ 137 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 138 if (*cp == '%') 139 switch (*++cp) { 140 case 'd': 141 case '2': 142 case '3': 143 case '.': 144 case '+': 145 arg_need++; 146 break; 147 case '%': 148 case '>': 149 case 'i': 150 case 'r': 151 case 'n': 152 case 'B': 153 case 'D': 154 break; 155 case 'p': 156 if (cp[1]) { 157 cp++; 158 break; 159 } 160 default: 161 /* 162 * hpux has lot's of them, but we complain 163 */ 164 warnx(erresc, *cp, cap); 165 } 166 167 /* And print them. */ 168 switch (arg_need) { 169 case 0: 170 (void)tputs(str, 1, outc); 171 break; 172 case 1: 173 arg_cols = 0; 174 175 if (*++argv == NULL || *argv[0] == '\0') 176 errx(2, errfew, 1, cap); 177 arg_rows = atoi(*argv); 178 179 (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc); 180 break; 181 case 2: 182 if (*++argv == NULL || *argv[0] == '\0') 183 errx(2, errfew, 2, cap); 184 arg_cols = atoi(*argv); 185 186 if (*++argv == NULL || *argv[0] == '\0') 187 errx(2, errfew, 2, cap); 188 arg_rows = atoi(*argv); 189 190 (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc); 191 break; 192 193 default: 194 errx(2, errmany, arg_need, cap); 195 } 196 return (argv); 197 } 198 199 static void 200 usage(void) 201 { 202 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 203 exit(2); 204 } 205