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 1.3 2003/10/04 20:36:53 hmp 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(char *, char *, char **); 54 55 int 56 main(int argc, char **argv) 57 { 58 int ch, exitval, n; 59 char *cptr, *p, *term, buf[1024], tbuf[1024]; 60 61 term = NULL; 62 while ((ch = getopt(argc, argv, "T:")) != -1) 63 switch(ch) { 64 case 'T': 65 term = optarg; 66 break; 67 case '?': 68 default: 69 usage(); 70 } 71 argc -= optind; 72 argv += optind; 73 74 if (!term && !(term = getenv("TERM"))) 75 errx(2, "no terminal type specified and no TERM environmental variable."); 76 if (tgetent(tbuf, term) != 1) 77 err(2, "tgetent failure"); 78 for (exitval = 0; (p = *argv) != NULL; ++argv) { 79 switch (*p) { 80 case 'c': 81 if (!strcmp(p, "clear")) 82 p = "cl"; 83 break; 84 case 'i': 85 if (!strcmp(p, "init")) 86 p = "is"; 87 break; 88 case 'l': 89 if (!strcmp(p, "longname")) { 90 prlongname(tbuf); 91 continue; 92 } 93 break; 94 case 'r': 95 if (!strcmp(p, "reset")) 96 p = "rs"; 97 break; 98 } 99 cptr = buf; 100 if (tgetstr(p, &cptr)) 101 argv = process(p, buf, argv); 102 else if ((n = tgetnum(p)) != -1) 103 (void)printf("%d\n", n); 104 else 105 exitval = !tgetflag(p); 106 } 107 exit(exitval); 108 } 109 110 static void 111 prlongname(char *buf) 112 { 113 int savech; 114 char *p, *savep; 115 116 for (p = buf; *p && *p != ':'; ++p); 117 savech = *(savep = p); 118 for (*p = '\0'; p >= buf && *p != '|'; --p); 119 (void)printf("%s\n", p + 1); 120 *savep = savech; 121 } 122 123 static char ** 124 process(char *cap, char *str, char **argv) 125 { 126 static char errfew[] = 127 "not enough arguments (%d) for capability `%s'"; 128 static char errmany[] = 129 "too many arguments (%d) for capability `%s'"; 130 static char erresc[] = 131 "unknown %% escape `%c' for capability `%s'"; 132 char *cp; 133 int arg_need, arg_rows, arg_cols; 134 135 /* Count how many values we need for this capability. */ 136 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 137 if (*cp == '%') 138 switch (*++cp) { 139 case 'd': 140 case '2': 141 case '3': 142 case '.': 143 case '+': 144 arg_need++; 145 break; 146 case '%': 147 case '>': 148 case 'i': 149 case 'r': 150 case 'n': 151 case 'B': 152 case 'D': 153 break; 154 case 'p': 155 if (cp[1]) { 156 cp++; 157 break; 158 } 159 default: 160 /* 161 * hpux has lot's of them, but we complain 162 */ 163 warnx(erresc, *cp, cap); 164 } 165 166 /* And print them. */ 167 switch (arg_need) { 168 case 0: 169 (void)tputs(str, 1, outc); 170 break; 171 case 1: 172 arg_cols = 0; 173 174 if (*++argv == NULL || *argv[0] == '\0') 175 errx(2, errfew, 1, cap); 176 arg_rows = atoi(*argv); 177 178 (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc); 179 break; 180 case 2: 181 if (*++argv == NULL || *argv[0] == '\0') 182 errx(2, errfew, 2, cap); 183 arg_cols = atoi(*argv); 184 185 if (*++argv == NULL || *argv[0] == '\0') 186 errx(2, errfew, 2, cap); 187 arg_rows = atoi(*argv); 188 189 (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc); 190 break; 191 192 default: 193 errx(2, errmany, arg_need, cap); 194 } 195 return (argv); 196 } 197 198 static void 199 usage(void) 200 { 201 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 202 exit(1); 203 } 204