1 /*- 2 * Copyright (c) 1980, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char copyright[] = 10 "@(#) Copyright (c) 1980, 1988, 1993\n\ 11 The Regents of the University of California. All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)tput.c 8.2 (Berkeley) 03/19/94"; 16 #endif /* not lint */ 17 18 #include <sys/termios.h> 19 20 #include <err.h> 21 #include <curses.h> 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <unistd.h> 25 26 static void prlongname __P((char *)); 27 static void setospeed __P((void)); 28 static void outc __P((int)); 29 static void usage __P((void)); 30 static char **process __P((char *, char *, char **)); 31 32 int 33 main(argc, argv) 34 int argc; 35 char **argv; 36 { 37 extern char *optarg; 38 extern int optind; 39 int ch, exitval, n; 40 char *cptr, *p, *term, buf[1024], tbuf[1024]; 41 42 term = NULL; 43 while ((ch = getopt(argc, argv, "T:")) != EOF) 44 switch(ch) { 45 case 'T': 46 term = optarg; 47 break; 48 case '?': 49 default: 50 usage(); 51 } 52 argc -= optind; 53 argv += optind; 54 55 if (!term && !(term = getenv("TERM"))) 56 errx(2, "no terminal type specified and no TERM environmental variable."); 57 if (tgetent(tbuf, term) != 1) 58 err(2, "tgetent failure"); 59 setospeed(); 60 for (exitval = 0; (p = *argv) != NULL; ++argv) { 61 switch (*p) { 62 case 'c': 63 if (!strcmp(p, "clear")) 64 p = "cl"; 65 break; 66 case 'i': 67 if (!strcmp(p, "init")) 68 p = "is"; 69 break; 70 case 'l': 71 if (!strcmp(p, "longname")) 72 prlongname(tbuf); 73 continue; 74 case 'r': 75 if (!strcmp(p, "reset")) 76 p = "rs"; 77 break; 78 } 79 cptr = buf; 80 if (tgetstr(p, &cptr)) 81 argv = process(p, buf, argv); 82 else if ((n = tgetnum(p)) != -1) 83 (void)printf("%d\n", n); 84 else 85 exitval = !tgetflag(p); 86 } 87 exit(exitval); 88 } 89 90 static void 91 prlongname(buf) 92 char *buf; 93 { 94 int savech; 95 char *p, *savep; 96 97 for (p = buf; *p && *p != ':'; ++p); 98 savech = *(savep = p); 99 for (*p = '\0'; p >= buf && *p != '|'; --p); 100 (void)printf("%s\n", p + 1); 101 *savep = savech; 102 } 103 104 static char ** 105 process(cap, str, argv) 106 char *cap, *str, **argv; 107 { 108 static char errfew[] = 109 "not enough arguments (%d) for capability `%s'"; 110 static char errmany[] = 111 "too many arguments (%d) for capability `%s'"; 112 static char erresc[] = 113 "unknown %% escape `%c' for capability `%s'"; 114 char *cp; 115 int arg_need, arg_rows, arg_cols; 116 117 /* Count how many values we need for this capability. */ 118 for (cp = str, arg_need = 0; *cp != '\0'; cp++) 119 if (*cp == '%') 120 switch (*++cp) { 121 case 'd': 122 case '2': 123 case '3': 124 case '.': 125 case '+': 126 arg_need++; 127 break; 128 case '%': 129 case '>': 130 case 'i': 131 case 'r': 132 case 'n': 133 case 'B': 134 case 'D': 135 break; 136 default: 137 /* 138 * hpux has lot's of them, but we complain 139 */ 140 errx(2, erresc, *cp, cap); 141 } 142 143 /* And print them. */ 144 switch (arg_need) { 145 case 0: 146 (void)tputs(str, 1, outc); 147 break; 148 case 1: 149 arg_cols = 0; 150 151 if (*++argv == NULL || *argv[0] == '\0') 152 errx(2, errfew, 1, cap); 153 arg_rows = atoi(*argv); 154 155 (void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc); 156 break; 157 case 2: 158 if (*++argv == NULL || *argv[0] == '\0') 159 errx(2, errfew, 2, cap); 160 arg_cols = atoi(*argv); 161 162 if (*++argv == NULL || *argv[0] == '\0') 163 errx(2, errfew, 2, cap); 164 arg_rows = atoi(*argv); 165 166 (void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc); 167 break; 168 169 default: 170 errx(2, errmany, arg_need, cap); 171 } 172 return (argv); 173 } 174 175 static void 176 setospeed() 177 { 178 #undef ospeed 179 extern short ospeed; 180 struct termios t; 181 182 if (tcgetattr(STDOUT_FILENO, &t) != -1) 183 ospeed = 0; 184 else 185 ospeed = cfgetospeed(&t); 186 } 187 188 static void 189 outc(c) 190 int c; 191 { 192 (void)putchar(c); 193 } 194 195 static void 196 usage() 197 { 198 (void)fprintf(stderr, "usage: tput [-T term] attribute ...\n"); 199 exit(1); 200 } 201