GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: sbin/wsconsctl/wsconsctl.c Lines: 0 150 0.0 %
Date: 2017-11-13 Branches: 0 137 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: wsconsctl.c,v 1.31 2017/07/21 20:38:20 bru Exp $	*/
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/*	$NetBSD: wsconsctl.c,v 1.2 1998/12/29 22:40:20 hannken Exp $ */
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/*-
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 * Copyright (c) 1998 The NetBSD Foundation, Inc.
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 * All rights reserved.
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 *
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 * This code is derived from software contributed to The NetBSD Foundation
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 * by Juergen Hannken-Illjes.
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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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 *
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 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <fcntl.h>
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#include <err.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "wsconsctl.h"
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extern const char *__progname;		/* from crt0.o */
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extern struct field keyboard_field_tab[];
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extern struct field mouse_field_tab[];
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extern struct field display_field_tab[];
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void	usage(void);
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struct vartypesw {
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	const	char *name;
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	struct field *field_tab;
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	void	(*init)(int,int);
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	void	(*getval)(int);
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	int	(*putval)(int);
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	char *	(*nextdev)(int);
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} typesw[] = {
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	{ "keyboard", keyboard_field_tab, NULL,
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	  keyboard_get_values, keyboard_put_values, keyboard_next_device },
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	{ "mouse", mouse_field_tab, mouse_init,
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	  mouse_get_values, mouse_put_values, mouse_next_device },
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	{ "display", display_field_tab, NULL,
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	  display_get_values, display_put_values, display_next_device },
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	{ NULL }
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};
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struct vartypesw *tab_by_name(const char *, int *);
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void
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usage(void)
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{
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	fprintf(stderr,
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	    "usage: %s [-an]\n"
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	    "       %s [-n] [-f file] name ...\n"
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	    "       %s [-n] [-f file] name=value ...\n",
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	    __progname, __progname, __progname);
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	exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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	int i, ch, error = 0, aflag = 0, do_merge, putval, devidx, devfd;
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	struct vartypesw *sw = NULL;
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	char *getsep = "=", *setsep = " -> ", *p;
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	char *wdev = NULL;
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	char *device;
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	struct field *f;
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	char devname[20];
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	while ((ch = getopt(argc, argv, "af:nw")) != -1) {
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		switch(ch) {
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		case 'a':
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			aflag = 1;
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			break;
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		case 'f':
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			wdev = optarg;
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			break;
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		case 'n':
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			getsep = setsep = NULL;
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			break;
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		case 'w':
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			/* compat */
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			break;
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		default:
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			usage();
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		}
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	}
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	argc -= optind;
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	argv += optind;
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	if (argc > 0 && aflag != 0)
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		errx(1, "excess arguments after -a");
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	if (argc == 0)
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		aflag = 1;
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	if (aflag != 0) {
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		for (sw = typesw; sw->name; sw++) {
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			for (devidx = 0;; devidx++) {
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				device = (*sw->nextdev)(devidx);
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				if (!device ||
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				    ((devfd = open(device, O_WRONLY)) < 0 &&
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				     (devfd = open(device, O_RDONLY)) < 0)) {
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					if (!device || errno != ENXIO) {
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						if (device && errno != ENOENT) {
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							warn("%s", device);
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							error = 1;
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						}
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						break;
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					} else
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						continue;
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				}
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				if (devidx == 0)
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					snprintf(devname, sizeof(devname),
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					    "%s", sw->name);
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				else
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					snprintf(devname, sizeof(devname),
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					    "%s%d", sw->name, devidx);
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				if (sw->init != NULL)
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					(*sw->init)(devfd, devidx);
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				for (f = sw->field_tab; f->name; f++)
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					if (!(f->flags &
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					    (FLG_NOAUTO|FLG_WRONLY)))
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						f->flags |= FLG_GET;
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				(*sw->getval)(devfd);
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				for (f = sw->field_tab; f->name; f++)
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					if (f->flags & FLG_DEAD)
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						continue;
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					else if (f->flags & FLG_NOAUTO)
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						warnx("Use explicit arg to "
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						    "view %s.%s.",
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						    devname, f->name);
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					else if (f->flags & FLG_GET)
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						pr_field(devname, f, getsep);
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			}
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		}
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	} else if (argc > 0) {
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		for (i = 0; i < argc; i++) {
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			sw = tab_by_name(argv[i], &devidx);
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			if (!sw)
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				continue;
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			if (!wdev)
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				device = (*sw->nextdev)(devidx);
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			else
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				device = wdev;
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			if (!device ||
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			    ((devfd = open(device, O_WRONLY)) < 0 &&
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			     (devfd = open(device, O_RDONLY)) < 0)) {
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				if (!device) {
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					const char *c = strchr(argv[i], '.');
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					int k;
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					if (!c)
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						c = strchr(argv[i], '\0');
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					k = c - argv[i];
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					warnx("%*.*s: no such variable",
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					    k, k, argv[i]);
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				} else
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					warn("%s", device);
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				error = 1;
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				continue;
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			}
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			if (devidx == 0)
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				snprintf(devname, sizeof(devname),
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				    "%s", sw->name);
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			else
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				snprintf(devname, sizeof(devname),
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				    "%s%d", sw->name, devidx);
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			if (sw->init != NULL)
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				(*sw->init)(devfd, devidx);
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			p = strchr(argv[i], '=');
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			if (p == NULL) {
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				if (!strchr(argv[i], '.')) {
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					for (f = sw->field_tab; f->name; f++)
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						if (!(f->flags &
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						    (FLG_NOAUTO|FLG_WRONLY)))
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							f->flags |= FLG_GET;
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					(*sw->getval)(devfd);
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					for (f = sw->field_tab; f->name; f++)
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						if (f->flags & FLG_DEAD)
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							continue;
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						else if (f->flags & FLG_NOAUTO)
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							warnx("Use explicit "
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							    "arg to view "
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							    "%s.%s.",
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							    devname, f->name);
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						else if (f->flags & FLG_GET)
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							pr_field(devname, f,
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							    getsep);
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					continue;
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				}
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				f = field_by_name(sw->field_tab, argv[i]);
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				if (f->flags & FLG_DEAD)
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					continue;
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				if ((f->flags & FLG_WRONLY)) {
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					warnx("%s: write only", argv[i]);
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					continue;
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				}
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				f->flags |= FLG_GET;
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				(*sw->getval)(devfd);
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				if (f->flags & FLG_DEAD)
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					continue;
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				pr_field(devname, f, getsep);
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			} else {
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				if (!strchr(argv[i], '.') ||
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				    (strchr(argv[i], '.') > p)) {
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					warnx("%s: illegal variable name",
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					    argv[i]);
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					continue;
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				}
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				if (p > argv[i] &&
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				    (*(p - 1) == '+' || *(p - 1) == '-')) {
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					do_merge = *(p - 1);
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					*(p - 1) = '\0';
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				} else
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					do_merge = 0;
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				*p++ = '\0';
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				f = field_by_name(sw->field_tab, argv[i]);
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				if (f->flags & FLG_DEAD)
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					continue;
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				if (f->flags & FLG_RDONLY) {
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					warnx("%s: read only", argv[i]);
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					continue;
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				}
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				if (do_merge || f->flags & FLG_INIT) {
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					if (!(f->flags & FLG_MODIFY))
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						errx(1, "%s: can only be set",
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						    argv[i]);
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					f->flags |= FLG_GET;
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					(*sw->getval)(devfd);
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					f->flags &= ~FLG_GET;
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				}
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				rd_field(f, p, do_merge);
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				f->flags |= FLG_SET;
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				putval = (*sw->putval)(devfd);
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				f->flags &= ~FLG_SET;
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				if (putval != 0 ||
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				    f->flags & (FLG_DEAD|FLG_NOAUTO))
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					continue;
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				if (f->flags & FLG_WRONLY) {
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					pr_field(devname, f, setsep);
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				} else {
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					if (!(f->flags & FLG_NORDBACK)) {
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						f->flags |= FLG_GET;
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						(*sw->getval)(devfd);
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					}
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					if (f->flags & FLG_DEAD)
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						continue;
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					pr_field(devname, f, setsep);
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				}
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			}
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			close(devfd);
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		}
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	} else
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		usage();
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	exit(error);
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}
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struct vartypesw *
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tab_by_name(const char *var, int *idx)
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{
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	struct vartypesw *sw;
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	const char *p = strchr(var, '.');
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	char *c;
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	int i;
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	for (sw = typesw; sw->name; sw++)
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		if (!strncmp(sw->name, var, strlen(sw->name)))
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			break;
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	if (!p)
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		p = strchr(var, '\0');
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	if (!sw->name) {
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		i = p - var;
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		warnx("%*.*s: no such variable", i, i, var);
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		return (NULL);
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	}
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	if ((p - var) > strlen(sw->name)) {
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		c = (char *)var;
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		c = c + strlen(sw->name);
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		i = 0;
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		while (c < p) {
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			if (*c >= '0' && *c <= '9')
318
				i = i * 10 + *c - '0';
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			else
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				i = -1;
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			c++;
322
		}
323
		if (i < 0 || i > 32) {
324
			i = p - var;
325
			warnx("%*.*s: no such variable", i, i, var);
326
			return (NULL);
327
		}
328
	} else
329
		i = 0;
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	*idx = i;
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	return (sw);
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}