NetBSD-5.0.2/sbin/wsconsctl/wsconsctl.c
/* $NetBSD: wsconsctl.c,v 1.18 2008/08/25 00:14:46 dholland Exp $ */
/*-
* Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
#include <err.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "wsconsctl.h"
#define PATH_KEYBOARD "/dev/wskbd"
#define PATH_MOUSE "/dev/wsmouse"
#define PATH_DISPLAY "/dev/ttyE0"
extern struct field keyboard_field_tab[];
extern struct field mouse_field_tab[];
extern struct field display_field_tab[];
extern int keyboard_field_tab_len;
extern int mouse_field_tab_len;
extern int display_field_tab_len;
static void usage(const char *) __dead;
static void
usage(const char *msg)
{
const char *progname = getprogname();
if (msg != NULL)
(void)fprintf(stderr, "%s: %s\n\n", progname, msg);
(void)fprintf(stderr,
"Usage: %s [-kmd] [-f file] [-n] name ...\n"
" -or- %s [-kmd] [-f file] [-n] -w name=value ...\n"
" -or- %s [-kmd] [-f file] [-n] -w name+=value ...\n"
" -or- %s [-kmd] [-f file] [-n] -a\n",
progname, progname, progname, progname);
exit(EXIT_FAILURE);
}
int
main(int argc, char **argv)
{
int i, ch, fd;
int aflag, dflag, kflag, mflag, wflag;
char *p;
const char *sep, *file;
struct field *f, *field_tab;
int do_merge, field_tab_len;
void (*getval)(int);
void (*putval)(int);
aflag = 0;
dflag = 0;
kflag = 0;
mflag = 0;
wflag = 0;
file = NULL;
sep = "=";
field_tab = NULL;
field_tab_len = 0;
getval = NULL;
putval = NULL;
while ((ch = getopt(argc, argv, "adf:kmnw")) != -1) {
switch(ch) {
case 'a':
aflag = 1;
break;
case 'd':
dflag = 1;
break;
case 'f':
file = optarg;
break;
case 'k':
kflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'n':
sep = NULL;
break;
case 'w':
wflag = 1;
break;
case '?':
default:
usage(NULL);
}
}
argc -= optind;
argv += optind;
if (dflag + kflag + mflag == 0)
kflag = 1;
if (dflag + kflag + mflag > 1)
usage("only one of -k, -d or -m may be given");
if (argc > 0 && aflag != 0)
usage("excess arguments after -a");
if (aflag != 0 && wflag != 0)
usage("only one of -a or -w may be given");
if (kflag) {
if (file == NULL)
file = PATH_KEYBOARD;
field_tab = keyboard_field_tab;
field_tab_len = keyboard_field_tab_len;
getval = keyboard_get_values;
putval = keyboard_put_values;
} else if (mflag) {
if (file == NULL)
file = PATH_MOUSE;
field_tab = mouse_field_tab;
field_tab_len = mouse_field_tab_len;
getval = mouse_get_values;
putval = mouse_put_values;
} else if (dflag) {
if (file == NULL)
file = PATH_DISPLAY;
field_tab = display_field_tab;
field_tab_len = display_field_tab_len;
getval = display_get_values;
putval = display_put_values;
}
field_setup(field_tab, field_tab_len);
fd = open(file, O_WRONLY);
if (fd < 0)
fd = open(file, O_RDONLY);
if (fd < 0)
err(EXIT_FAILURE, "%s", file);
if (aflag != 0) {
for (i = 0; i < field_tab_len; i++)
if ((field_tab[i].flags & (FLG_NOAUTO|FLG_WRONLY)) == 0)
field_tab[i].flags |= FLG_GET;
(*getval)(fd);
for (i = 0; i < field_tab_len; i++)
if (field_tab[i].flags & FLG_NOAUTO)
warnx("\"%s\" not shown with -a; use \"%s %s\""
" to view.",
field_tab[i].name,
getprogname(), field_tab[i].name);
else if (field_tab[i].flags & FLG_GET &&
!(field_tab[i].flags & FLG_DISABLED))
pr_field(field_tab + i, sep);
} else if (argc > 0) {
if (wflag != 0) {
for (i = 0; i < argc; i++) {
p = strchr(argv[i], '=');
if (p == NULL)
errx(EXIT_FAILURE, "'=' not found");
if (p > argv[i] && *(p - 1) == '+') {
*(p - 1) = '\0';
do_merge = 1;
} else
do_merge = 0;
*p++ = '\0';
f = field_by_name(argv[i]);
if ((f->flags & FLG_RDONLY) != 0)
errx(EXIT_FAILURE, "%s: read only",
argv[i]);
if (do_merge) {
if ((f->flags & FLG_MODIFY) == 0)
errx(EXIT_FAILURE,
"%s: can only be set",
argv[i]);
f->flags |= FLG_GET;
(*getval)(fd);
f->flags &= ~FLG_GET;
}
rd_field(f, p, do_merge);
f->flags |= FLG_SET;
(*putval)(fd);
f->flags &= ~FLG_SET;
}
} else {
for (i = 0; i < argc; i++) {
f = field_by_name(argv[i]);
if ((f->flags & FLG_WRONLY) != 0)
errx(EXIT_FAILURE, "%s: write only",
argv[i]);
f->flags |= FLG_GET;
}
(*getval)(fd);
for (i = 0; i < field_tab_len; i++) {
if (field_tab[i].flags & FLG_DISABLED)
errx(EXIT_FAILURE,
"%s: no kernel support",
field_tab[i].name);
if (field_tab[i].flags & FLG_GET)
pr_field(field_tab + i, sep);
}
}
} else {
close(fd);
usage(NULL);
}
close(fd);
return EXIT_SUCCESS;
}