/* $OpenBSD: wsconsctl.c,v 1.17 2006/04/01 23:13:53 miod 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 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 #include #include #include #include #include #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); void (*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 [-n] -a\n" " %s [-n] name ...\n" " %s [-n] name=value ...\n" " %s [-n] name+=value ...\n", __progname, __progname, __progname, __progname); exit(1); } int main(int argc, char *argv[]) { int i, ch, error = 0, aflag = 0, do_merge; struct vartypesw *sw = NULL; char *sep = "=", *p; struct field *f; while ((ch = getopt(argc, argv, "anw")) != -1) { switch(ch) { case 'a': aflag = 1; break; case 'n': sep = NULL; break; case 'w': /* compat */ break; default: usage(NULL); } } argc -= optind; argv += optind; if (argc > 0 && aflag != 0) usage("excess arguments after -a"); 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, sep); } } 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 (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, sep); 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 (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; (*sw->putval)(sw->name, sw->fd); f->flags &= ~FLG_SET; } } 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); }