diff options
Diffstat (limited to 'usr.bin/tput/tput.c')
| -rw-r--r-- | usr.bin/tput/tput.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/usr.bin/tput/tput.c b/usr.bin/tput/tput.c new file mode 100644 index 0000000..0e8da2f --- /dev/null +++ b/usr.bin/tput/tput.c @@ -0,0 +1,195 @@ +/* $NetBSD: tput.c,v 1.26 2013/02/05 11:31:56 roy Exp $ */ + +/*- + * Copyright (c) 1980, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)tput.c 8.3 (Berkeley) 4/28/95"; +#endif +__RCSID("$NetBSD: tput.c,v 1.26 2013/02/05 11:31:56 roy Exp $"); +#endif /* not lint */ + +#include <termios.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <term_private.h> +#include <term.h> +#include <unistd.h> + +static void usage(void) __dead; +static char **process(const char *, const char *, char **); + +int +main(int argc, char **argv) +{ + int ch, exitval, n; + char *term; + const char *p, *s; + size_t pl; + + term = NULL; + while ((ch = getopt(argc, argv, "T:")) != -1) + switch(ch) { + case 'T': + term = optarg; + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (!term && !(term = getenv("TERM"))) + errx(2, "No terminal type specified and no TERM " + "variable set in the environment."); + setupterm(term, 0, NULL); + for (exitval = 0; (p = *argv) != NULL; ++argv) { + switch (*p) { + case 'c': + if (!strcmp(p, "clear")) + p = "clear"; + break; + case 'i': + if (!strcmp(p, "init")) { + s = tigetstr("is1"); + if (s != NULL) + putp(s); + p = "is2"; + } + break; + case 'l': + if (!strcmp(p, "longname")) { + (void)printf("%s\n", longname()); + continue; + } + break; + case 'r': + if (!strcmp(p, "reset")) { + s = tigetstr("rs1"); + if (s != NULL) + putp(s); + p = "rs2"; + } + break; + } + pl = strlen(p); + if (((s = tigetstr(p)) != NULL && s != (char *)-1) || + (pl <= 2 && (s = tgetstr(p, NULL)) != NULL)) + argv = process(p, s, argv); + else if ((((n = tigetnum(p)) != -1 && n != -2 ) || + (pl <= 2 && (n = tgetnum(p)) != -1))) + (void)printf("%d\n", n); + else { + exitval = tigetflag(p); + if (exitval == -1) { + if (pl <= 2) + exitval = !tgetflag(p); + else + exitval = 1; + } else + exitval = !exitval; + } + + if (argv == NULL) + break; + } + return argv ? exitval : 2; +} + +static char ** +process(const char *cap, const char *str, char **argv) +{ + static const char errfew[] = + "Not enough arguments (%d) for capability `%s'"; + static const char erresc[] = + "Unknown %% escape (%s) for capability `%s'"; + static const char errnum[] = + "Expected a numeric argument [%d] (%s) for capability `%s'"; + static const char errcharlong[] = + "Platform does not fit a string into a long for capability '%s'"; + int i, nparams, piss[TPARM_MAX]; + long nums[TPARM_MAX]; + char *strs[TPARM_MAX], *tmp; + + /* Count how many values we need for this capability. */ + errno = 0; + memset(&piss, 0, sizeof(piss)); + nparams = _ti_parm_analyse(str, piss, TPARM_MAX); + if (errno == EINVAL) + errx(2, erresc, str, cap); + + /* Create our arrays of integers and strings */ + for (i = 0; i < nparams; i++) { + if (*++argv == NULL || *argv[0] == '\0') + errx(2, errfew, nparams, cap); + if (piss[i]) { + if (sizeof(char *) > sizeof(long) /* CONSTCOND */) + errx(2, errcharlong, cap); + strs[i] = *argv; + } else { + errno = 0; + nums[i] = strtol(*argv, &tmp, 0); + if ((errno == ERANGE && + (nums[i] == LONG_MIN || nums[i] == LONG_MAX)) || + (errno != 0 && nums[i] == 0) || + tmp == str || + *tmp != '\0') + errx(2, errnum, i + 1, *argv, cap); + } + } + + /* And output */ +#define p(i) (i <= nparams ? \ + (piss[i - 1] ? (long)strs[i - 1] : nums[i - 1]) : 0) + putp(tparm(str, p(1), p(2), p(3), p(4), p(5), p(6), p(7), p(8), p(9))); + + return argv; +} + +static void +usage(void) +{ + (void)fprintf(stderr, + "Usage: %s [-T term] attribute [attribute-args] ...\n", + getprogname()); + exit(2); +} |