1 /* $NetBSD: tput.c,v 1.10 1997/10/20 00:50:53 lukem 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 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) 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 __RCSID("$NetBSD: tput.c,v 1.10 1997/10/20 00:50:53 lukem Exp $"); 47 #endif /* not lint */ 48 49 #include <termios.h> 50 51 #include <err.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <termcap.h> 55 #include <unistd.h> 56 57 int main __P((int, char **)); 58 static void outc __P((int)); 59 static void prlongname __P((char *)); 60 static void setospeed __P((void)); 61 static void usage __P((void)); 62 static char **process __P((char *, char *, char **)); 63 64 int 65 main(argc, argv) 66 int argc; 67 char **argv; 68 { 69 extern char *optarg; 70 extern int optind; 71 int ch, exitval, n; 72 char *cptr, *p, *term, buf[1024], tbuf[1024]; 73 74 term = NULL; 75 while ((ch = getopt(argc, argv, "T:")) != -1) 76 switch(ch) { 77 case 'T': 78 term = optarg; 79 break; 80 case '?': 81 default: 82 usage(); 83 } 84 argc -= optind; 85 argv += optind; 86 87 if (!term && !(term = getenv("TERM"))) 88 errx(2, "no terminal type specified and no TERM environmental variable."); 89 if (tgetent(tbuf, term) != 1) 90 err(2, "tgetent failure"); 91 setospeed(); 92 for (exitval = 0; (p = *argv) != NULL; ++argv) { 93 switch (*p) { 94 case 'c': 95 if (!strcmp(p, "clear")) 96 p = "cl"; 97 break; 98 case 'i': 99 if (!strcmp(p, "init")) 100 p = "is"; 101 break; 102 case 'l': 103 if (!strcmp(p, "longname")) { 104 prlongname(tbuf); 105 continue; 106 } 107 break; 108 case 'r': 109 if (!strcmp(p, "reset")) 110 p = "rs"; 111 break; 112 } 113 cptr = buf; 114 if (tgetstr(p, &cptr)) 115 argv = process(p, buf, argv); 116 else if ((n = tgetnum(p)) != -1) 117 (void)printf("%d\n", n); 118 else 119 exitval = !tgetflag(p); 120 121 if (argv == NULL) 122 break; 123 } 124 exit(argv ? exitval : 2); 125 } 126 127 static void 128 prlongname(buf) 129 char *buf; 130 { 131 int savech; 132 char *p, *savep; 133 134 for (p = buf; *p && *p != ':'; ++p) 135 continue; 136 savech = *(savep = p); 137 for (*p = '\0'; p >= buf && *p != '|'; --p) 138 continue; 139 (void)printf("%s\n", p + 1); 140 *savep = savech; 141 } 142 143 static char ** 144 process(cap, str, argv) 145 char *cap, *str, **argv; 146 { 147 static char errfew[] = 148 "not enough arguments (%d) for capability `%s'"; 149 static char errmany[] = 150 "too many arguments (%d) for capability `%s'"; 151 static char erresc[] = 152 "unknown %% escape `%c' for capability `%s'"; 153 char *cp; 154 int arg_need, arg_rows, arg_cols; 155 156 /* Count how many values we need for this capability. */ 157 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 158 if (*cp == '%') 159 switch (*++cp) { 160 case 'd': 161 case '2': 162 case '3': 163 case '.': 164 case '+': 165 arg_need++; 166 break; 167 case '%': 168 case '>': 169 case 'i': 170 case 'r': 171 case 'n': 172 case 'B': 173 case 'D': 174 break; 175 default: 176 /* 177 * hpux has lot's of them, but we complain 178 */ 179 errx(2, erresc, *cp, cap); 180 } 181 182 /* And print them. */ 183 switch (arg_need) { 184 case 0: 185 (void)tputs(str, 1, outc); 186 break; 187 case 1: 188 arg_cols = 0; 189 190 if (*++argv == NULL || *argv[0] == '\0') 191 errx(2, errfew, 1, cap); 192 arg_rows = atoi(*argv); 193 194 (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc); 195 break; 196 case 2: 197 if (*++argv == NULL || *argv[0] == '\0') 198 errx(2, errfew, 2, cap); 199 arg_rows = atoi(*argv); 200 201 if (*++argv == NULL || *argv[0] == '\0') 202 errx(2, errfew, 2, cap); 203 arg_cols = atoi(*argv); 204 205 (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc); 206 break; 207 208 default: 209 errx(2, errmany, arg_need, cap); 210 } 211 return (argv); 212 } 213 214 static void 215 setospeed() 216 { 217 #undef ospeed 218 extern short ospeed; 219 struct termios t; 220 221 if (tcgetattr(STDOUT_FILENO, &t) != -1) 222 ospeed = 0; 223 else 224 ospeed = cfgetospeed(&t); 225 } 226 227 static void 228 outc(c) 229 int c; 230 { 231 (void)putchar(c); 232 } 233 234 static void 235 usage() 236 { 237 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 238 exit(1); 239 } 240