Coded by Jan-Rixt Van Hoye
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5829 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Phil Greenway
parent
68efb73adf
commit
cca694c746
23
src/apps/bin/clear.c
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23
src/apps/bin/clear.c
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@ -0,0 +1,23 @@
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// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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//
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// Copyright (c) 2001-2003, OpenBeOS
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//
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// This software is part of the OpenBeOS distribution and is covered
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// by the OpenBeOS license.
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//
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//
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// File: clear.c
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// Author: Jan-Rixt Van Hoye (janvanhoye@pandora.be)
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// Description: clears the terminal screen
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//
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// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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#include <stdlib.h>
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int
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main()
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{
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system("tput clear");
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return 0;
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}
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405
src/apps/bin/tput.c
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405
src/apps/bin/tput.c
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/* $OpenBSD: tput.c,v 1.15 2003/06/17 21:56:26 millert Exp $ */
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/*
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* Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 1980, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] = "@(#) Copyright (c) 1980, 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)tput.c 8.3 (Berkeley) 4/28/95";
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#endif
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static char rcsid[] = "$OpenBSD: tput.c,v 1.15 2003/06/17 21:56:26 millert Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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#include <ctype.h>
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#include <curses.h>
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#include <term.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <termios.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/wait.h>
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static void init(void);
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static char **process(char *, char *, char **);
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static void reset(void);
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static void set_margins(void);
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static void usage(void);
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extern char *__progname;
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int
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main(int argc, char *argv[])
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{
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int ch, exitval, n, Sflag, Vflag;
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char *p, *term, *str;
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char **oargv;
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oargv = argv;
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term = NULL;
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Sflag = Vflag = exitval = 0;
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while ((ch = getopt(argc, argv, "VST:")) != -1)
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switch(ch) {
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case 'T':
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term = optarg;
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break;
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case 'S':
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Sflag = 1;
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break;
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/*<Jan-Rixt> 25/09/2003 version of ncursus*/
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case 'V':
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Vflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (Sflag && argc > 0)
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usage();
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if (!term && !(term = getenv("TERM")))
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fprintf(stderr, "No value for $TERM and no -T specified");
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/*
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* NOTE: tgetent() will call setupterm() and set ospeed for us
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* (this is ncurses-specific behavior)
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*/
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if (tgetent(NULL, term) != 1)
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fprintf(stderr, "Unknown terminal type `%s'", term);
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if (strcmp(__progname, "clear") == 0) {
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if (Sflag)
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usage();
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argv = oargv;
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*argv = __progname;
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*(argv+1) = NULL;
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}
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if (Sflag) {
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char **av;
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/* Build new argv based on stdin */
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argc = n = 0;
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av = NULL;
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str = malloc(1024);
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while (fgets(str,1024,stdin) && (str[0] != '!')) {
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if (str[strlen(str)-1] != '\n')
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fprintf(stderr, "premature EOF");
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str[strlen(str)-1] = '\0';
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/* grow av as needed */
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if (argc + 1 >= n) {
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n += 64;
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av = (char **)realloc(av, sizeof(char *) * n);
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if (av == NULL)
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fprintf(stderr, "out of memory 1");
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}
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/*<Jan-Rixt> 25/09/2003 adaption needed for OpenBeOs*/
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p = strtok(str," ");
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while (p != NULL) {
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if (*p != '\0' && (av[argc++] = strdup(p)) == NULL)
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fprintf(stderr, "out of memory 2");
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p = strtok(NULL, " \t");
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}
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}
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if (argc > 0) {
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av[argc] = NULL;
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argv = av;
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}
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}
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if(Vflag)
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{
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printf("%s\n",curses_version());
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}
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while ((p = *argv++)) {
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switch (*p) {
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case 'i':
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if (!strcmp(p, "init")) {
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init();
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continue;
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}
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break;
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case 'l':
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if (!strcmp(p, "longname")) {
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puts(longname());
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continue;
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}
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break;
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case 'r':
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if (!strcmp(p, "reset")) {
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reset();
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continue;
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}
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break;
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}
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/* First try as terminfo */
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if ((str = tigetstr(p)) && str != (char *)-1)
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argv = process(p, str, argv);
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else if ((n = tigetnum(p)) != -2)
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(void)printf("%d\n", n);
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else if ((n = tigetflag(p)) != -1)
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exitval = !n;
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/* Then fall back on termcap */
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else if ((str = tgetstr(p, NULL)))
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argv = process(p, str, argv);
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else if ((n = tgetnum(p)) != -1)
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(void)printf("%d\n", n);
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else if ((exitval = tgetflag(p)) != 0)
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exitval = !exitval;
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else {
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(void)printf("Unknown terminfo capability `%s'\n", p);
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exitval = 4;
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}
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}
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exit(exitval);
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}
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static char **
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process(char *cap, char *str, char **argv)
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{
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char *cp, *s, *nargv[9];
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int arg_need, popcount, i;
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/* Count how many values we need for this capability. */
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for (cp = str, arg_need = popcount = 0; *cp != '\0'; cp++) {
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if (*cp == '%') {
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switch (*++cp) {
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case '%':
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cp++;
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break;
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case 'i':
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if (popcount < 2)
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popcount = 2;
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break;
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case 'p':
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cp++;
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if (isdigit(cp[1]) && popcount < cp[1] - '0')
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popcount = cp[1] - '0';
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break;
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case 'd':
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case 's':
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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case '.':
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case '+':
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arg_need++;
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break;
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default:
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break;
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}
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}
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}
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arg_need = MAX(arg_need, popcount);
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if (arg_need > 9)
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fprintf(stderr, "too many arguments (%d) for capability `%s'",
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arg_need, cap);
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for (i = 0; i < arg_need; i++) {
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long l;
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if (argv[i] == NULL)
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fprintf(stderr, "not enough arguments (%d) for capability `%s'",
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arg_need, cap);
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/* convert ascii representation of numbers to longs */
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if (isdigit(argv[i][0]) && (l = strtol(argv[i], &cp, 10)) >= 0
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&& l < LONG_MAX && *cp == '\0')
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nargv[i] = (char *)l;
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else
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nargv[i] = argv[i];
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}
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s = tparm(str, nargv[0], nargv[1], nargv[2], nargv[3],
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nargv[4], nargv[5], nargv[6], nargv[7], nargv[8]);
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putp(s);
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fflush(stdout);
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return (argv + arg_need);
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}
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|
static void
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|
init(void)
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{
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|
FILE *ifile;
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char *buf;
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|
int wstatus;
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|
|
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|
if (init_prog /*&& !issetugid()*/) {
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|
switch (fork()) {
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|
case -1:
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|
fprintf(stderr, "fork");
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|
break;
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case 0:
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|
/* child */
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|
execl(init_prog, init_prog, (char *)NULL);
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|
_exit(127);
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|
break;
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|
default:
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|
wait(&wstatus);
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|
/* parent */
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|
break;
|
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|
}
|
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|
}
|
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|
if (init_1string)
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|
putp(init_1string);
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|
if (init_2string)
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|
putp(init_2string);
|
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|
set_margins();
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|
/* always use 8 space tabs */
|
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|
if (init_tabs != 8 && clear_all_tabs && set_tab) {
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|
int i;
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|
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|
putp(clear_all_tabs);
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|
for (i = 0; i < (columns - 1) / 8; i++) {
|
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|
if (parm_right_cursor)
|
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|
putp(tparm(parm_right_cursor, 8));
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|
else
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|
fputs(" ", stdout);
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|
putp(set_tab);
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|
}
|
||||||
|
}
|
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|
buf = malloc(1024);
|
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|
if (init_file /*&& !issetugid()*/ && (ifile = fopen(init_file, "r"))) {
|
||||||
|
while (fgets(buf,1024,ifile) != NULL) {
|
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|
if (buf[strlen(buf)-1] != '\n')
|
||||||
|
fprintf(stderr, "premature EOF reading %s", init_file);
|
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|
buf[strlen(buf)-1] = '\0';
|
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|
putp(buf);
|
||||||
|
}
|
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|
fclose(ifile);
|
||||||
|
}
|
||||||
|
if (init_3string)
|
||||||
|
putp(init_3string);
|
||||||
|
fflush(stdout);
|
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|
}
|
||||||
|
|
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|
static void
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|
reset(void)
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|
{
|
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|
FILE *rfile;
|
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|
char *buf;
|
||||||
|
|
||||||
|
if (reset_1string)
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|
putp(reset_1string);
|
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|
if (reset_2string)
|
||||||
|
putp(reset_2string);
|
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|
set_margins();
|
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|
buf = malloc(1024);
|
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|
if (reset_file /*&& !issetugid()*/ && (rfile = fopen(reset_file, "r"))) {
|
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|
while (fgets(buf,1024,rfile) != NULL) {
|
||||||
|
if (buf[strlen(buf)-1] != '\n')
|
||||||
|
fprintf(stderr, "premature EOF reading %s", reset_file);
|
||||||
|
buf[strlen(buf)-1] = '\0';
|
||||||
|
putp(buf);
|
||||||
|
}
|
||||||
|
fclose(rfile);
|
||||||
|
}
|
||||||
|
if (reset_3string)
|
||||||
|
putp(reset_3string);
|
||||||
|
fflush(stdout);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
set_margins(void)
|
||||||
|
{
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Four possibilities:
|
||||||
|
* 1) we have set_lr_margin and can set things with one call
|
||||||
|
* 2) we have set_{left,right}_margin_parm, use two calls
|
||||||
|
* 3) we have set_{left,right}_margin, set based on position
|
||||||
|
* 4) none of the above, leave things the way they are
|
||||||
|
*/
|
||||||
|
if (set_lr_margin) {
|
||||||
|
putp(tparm(set_lr_margin, 0, columns - 1));
|
||||||
|
} else if (set_left_margin_parm && set_right_margin_parm) {
|
||||||
|
putp(tparm(set_left_margin_parm, 0));
|
||||||
|
putp(tparm(set_right_margin_parm, columns - 1));
|
||||||
|
} else if (set_left_margin && set_right_margin && clear_margins) {
|
||||||
|
putp(clear_margins);
|
||||||
|
|
||||||
|
/* go to column 0 and set the left margin */
|
||||||
|
putp(carriage_return ? carriage_return : "\r");
|
||||||
|
putp(set_left_margin);
|
||||||
|
|
||||||
|
/* go to last column and set the right margin */
|
||||||
|
if (parm_right_cursor)
|
||||||
|
putp(tparm(parm_right_cursor, columns - 1));
|
||||||
|
else
|
||||||
|
printf("%*s", columns - 1, " ");
|
||||||
|
putp(set_right_margin);
|
||||||
|
putp(carriage_return ? carriage_return : "\r");
|
||||||
|
}
|
||||||
|
fflush(stdout);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
usage(void)
|
||||||
|
{
|
||||||
|
|
||||||
|
if (strcmp(__progname, "clear") == 0)
|
||||||
|
(void)fprintf(stderr, "usage: %s [-T term]\n", __progname);
|
||||||
|
else
|
||||||
|
(void)fprintf(stderr,
|
||||||
|
"usage: %s [-T term] attribute [attribute-args] ...\n"
|
||||||
|
" %s [-T term] -S\n", __progname, __progname);
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user