tput.c revision 1.15
1 /* $NetBSD: tput.c,v 1.15 2003/08/07 11:16:46 agc 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. 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 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\n\ 35 The Regents of the University of California. All rights reserved.\n"); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)tput.c 8.3 (Berkeley) 4/28/95"; 41 #endif 42 __RCSID("$NetBSD: tput.c,v 1.15 2003/08/07 11:16:46 agc Exp $"); 43 #endif /* not lint */ 44 45 #include <termios.h> 46 47 #include <err.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <termcap.h> 52 #include <unistd.h> 53 54 int main __P((int, char **)); 55 static int outc __P((int)); 56 static void prlongname __P((char *)); 57 static void setospeed __P((void)); 58 static void usage __P((void)); 59 static char **process __P((char *, char *, char **)); 60 61 int 62 main(argc, argv) 63 int argc; 64 char **argv; 65 { 66 int ch, exitval, n; 67 char *cptr, *p, *term, buf[1024], tbuf[1024]; 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 (!term && !(term = getenv("TERM"))) 83 errx(2, "no terminal type specified and no TERM environmental variable."); 84 if (tgetent(tbuf, term) != 1) 85 err(2, "tgetent failure"); 86 setospeed(); 87 for (exitval = 0; (p = *argv) != NULL; ++argv) { 88 switch (*p) { 89 case 'c': 90 if (!strcmp(p, "clear")) 91 p = "cl"; 92 break; 93 case 'i': 94 if (!strcmp(p, "init")) 95 p = "is"; 96 break; 97 case 'l': 98 if (!strcmp(p, "longname")) { 99 prlongname(tbuf); 100 continue; 101 } 102 break; 103 case 'r': 104 if (!strcmp(p, "reset")) 105 p = "rs"; 106 break; 107 } 108 cptr = buf; 109 if (tgetstr(p, &cptr)) 110 argv = process(p, buf, argv); 111 else if ((n = tgetnum(p)) != -1) 112 (void)printf("%d\n", n); 113 else 114 exitval = !tgetflag(p); 115 116 if (argv == NULL) 117 break; 118 } 119 exit(argv ? exitval : 2); 120 } 121 122 static void 123 prlongname(buf) 124 char *buf; 125 { 126 int savech; 127 char *p, *savep; 128 129 for (p = buf; *p && *p != ':'; ++p) 130 continue; 131 savech = *(savep = p); 132 for (*p = '\0'; p >= buf && *p != '|'; --p) 133 continue; 134 (void)printf("%s\n", p + 1); 135 *savep = savech; 136 } 137 138 static char ** 139 process(cap, str, argv) 140 char *cap, *str, **argv; 141 { 142 static const char errfew[] = 143 "not enough arguments (%d) for capability `%s'"; 144 static const char errmany[] = 145 "too many arguments (%d) for capability `%s'"; 146 static const char erresc[] = 147 "unknown %% escape `%c' for capability `%s'"; 148 char *cp; 149 int arg_need, arg_rows, arg_cols; 150 151 /* Count how many values we need for this capability. */ 152 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 153 if (*cp == '%') 154 switch (*++cp) { 155 case 'd': 156 case '2': 157 case '3': 158 case '.': 159 case '+': 160 arg_need++; 161 break; 162 case '%': 163 case '>': 164 case 'i': 165 case 'r': 166 case 'n': 167 case 'B': 168 case 'D': 169 break; 170 default: 171 /* 172 * hpux has lot's of them, but we complain 173 */ 174 errx(2, 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_rows = atoi(*argv); 195 196 if (*++argv == NULL || *argv[0] == '\0') 197 errx(2, errfew, 2, cap); 198 arg_cols = 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 } 208 209 static void 210 setospeed() 211 { 212 #undef ospeed 213 extern short ospeed; 214 struct termios t; 215 216 if (tcgetattr(STDOUT_FILENO, &t) != -1) 217 ospeed = 0; 218 else 219 ospeed = cfgetospeed(&t); 220 } 221 222 static int 223 outc(c) 224 int c; 225 { 226 return (putchar(c)); 227 } 228 229 static void 230 usage() 231 { 232 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 233 exit(1); 234 } 235
Indexes created Tue Sep 30 20:09:53 GMT 2025