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/* $OpenBSD: wsconsctl.c,v 1.23 2009/07/15 21:38:16 martynas Exp $ */
/* $NetBSD: wsconsctl.c,v 1.2 1998/12/29 22:40:20 hannken Exp $ */
/*-
* Copyright (c) 1998 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 <fcntl.h>
#include <err.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "wsconsctl.h"
#define PATH_KEYBOARD "/dev/wskbd0"
#define PATH_MOUSE "/dev/wsmouse0"
#define PATH_DISPLAY "/dev/ttyC0"
extern const char *__progname; /* from crt0.o */
extern struct field keyboard_field_tab[];
extern struct field mouse_field_tab[];
extern struct field display_field_tab[];
void usage(char *);
struct vartypesw {
const char *name, *file;
int fd;
struct field *field_tab;
void (*getval)(const char *pre, int);
int (*putval)(const char *pre, int);
} typesw[] = {
{ "keyboard", PATH_KEYBOARD, -1, keyboard_field_tab,
keyboard_get_values, keyboard_put_values },
{ "mouse", PATH_MOUSE, -1, mouse_field_tab,
mouse_get_values, mouse_put_values },
{ "display", PATH_DISPLAY, -1, display_field_tab,
display_get_values, display_put_values },
{ NULL }
};
struct vartypesw *tab_by_name(const char *);
void
usage(char *msg)
{
if (msg != NULL)
fprintf(stderr, "%s: %s\n", __progname, msg);
fprintf(stderr,
"usage: %s [-an]\n"
" %s [-n] [-f file] name ...\n"
" %s [-n] [-f file] name=value ...\n"
" %s [-n] [-f file] name+=value ...\n",
__progname, __progname, __progname, __progname);
exit(1);
}
int
main(int argc, char *argv[])
{
int i, ch, error = 0, aflag = 0, do_merge, putval;
struct vartypesw *sw = NULL;
char *getsep = "=", *setsep = " -> ", *p;
char *wdev = NULL;
struct field *f;
while ((ch = getopt(argc, argv, "af:nw")) != -1) {
switch(ch) {
case 'a':
aflag = 1;
break;
case 'f':
wdev = optarg;
break;
case 'n':
getsep = setsep = NULL;
break;
case 'w':
/* compat */
break;
default:
usage(NULL);
}
}
argc -= optind;
argv += optind;
if (argc > 0 && aflag != 0)
usage("excess arguments after -a");
if (argc == 0)
aflag = 1;
if (aflag != 0) {
for (sw = typesw; sw->name; sw++) {
if (sw->fd < 0 &&
(sw->fd = open(sw->file, O_WRONLY)) < 0 &&
(sw->fd = open(sw->file, O_RDONLY)) < 0) {
warn("%s", sw->file);
error = 1;
continue;
}
for (f = sw->field_tab; f->name; f++)
if ((f->flags & (FLG_NOAUTO|FLG_WRONLY)) == 0)
f->flags |= FLG_GET;
(*sw->getval)(sw->name, sw->fd);
for (f = sw->field_tab; f->name; f++)
if (f->flags & FLG_DEAD)
continue;
else if (f->flags & FLG_NOAUTO)
warnx("Use explicit arg to view %s.%s.",
sw->name, f->name);
else if (f->flags & FLG_GET)
pr_field(sw->name, f, getsep);
}
} else if (argc > 0) {
for (i = 0; i < argc; i++) {
p = strchr(argv[i], '=');
if (p == NULL) {
sw = tab_by_name(argv[i]);
if (!sw)
continue;
if (wdev != NULL)
sw->file = (const char *)wdev;
if (sw->fd < 0 &&
(sw->fd = open(sw->file, O_WRONLY)) < 0 &&
(sw->fd = open(sw->file, O_RDONLY)) < 0) {
warn("open: %s", sw->file);
error = 1;
continue;
}
f = field_by_name(sw->field_tab, argv[i]);
if (f->flags & FLG_DEAD)
continue;
if ((f->flags & FLG_WRONLY) != 0) {
warnx("%s: write only", argv[i]);
continue;
}
f->flags |= FLG_GET;
(*sw->getval)(sw->name, sw->fd);
if (f->flags & FLG_DEAD)
continue;
pr_field(sw->name, f, getsep);
continue;
}
if (p > argv[i] &&
(*(p - 1) == '+' || *(p - 1) == '-')) {
do_merge = *(p - 1);
*(p - 1) = '\0';
} else
do_merge = 0;
*p++ = '\0';
sw = tab_by_name(argv[i]);
if (!sw)
continue;
if (wdev != NULL)
sw->file = (const char *)wdev;
if (sw->fd < 0 &&
(sw->fd = open(sw->file, O_WRONLY)) < 0 &&
(sw->fd = open(sw->file, O_RDONLY)) < 0) {
warn("open: %s", sw->file);
error = 1;
continue;
}
f = field_by_name(sw->field_tab, argv[i]);
if (f->flags & FLG_DEAD)
continue;
if ((f->flags & FLG_RDONLY) != 0) {
warnx("%s: read only", argv[i]);
continue;
}
if (do_merge || f->flags & FLG_INIT) {
if ((f->flags & FLG_MODIFY) == 0)
errx(1, "%s: can only be set",
argv[i]);
f->flags |= FLG_GET;
(*sw->getval)(sw->name, sw->fd);
f->flags &= ~FLG_GET;
}
rd_field(f, p, do_merge);
f->flags |= FLG_SET;
putval = (*sw->putval)(sw->name, sw->fd);
f->flags &= ~FLG_SET;
if (putval != 0 || f->flags & FLG_DEAD)
continue;
if (f->flags & FLG_WRONLY) {
pr_field(sw->name, f, setsep);
} else {
f->flags |= FLG_GET;
(*sw->getval)(sw->name, sw->fd);
if (f->flags & FLG_DEAD)
continue;
pr_field(sw->name, f, setsep);
}
}
} else
usage(NULL);
return (error);
}
struct vartypesw *
tab_by_name(const char *var)
{
struct vartypesw *sw;
const char *p = strchr(var, '.');
if (!p) {
warnx("%s: illegal variable name", var);
return (NULL);
}
for (sw = typesw; sw->name; sw++)
if (!strncmp(sw->name, var, p - var))
break;
if (!sw->name) {
warnx("%s: no such variable", var);
return (NULL);
}
return (sw);
}
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