diff options
Diffstat (limited to 'release/src/router/busybox/console-tools/setkeycodes.c')
| -rw-r--r-- | release/src/router/busybox/console-tools/setkeycodes.c | 77 |
1 files changed, 27 insertions, 50 deletions
diff --git a/release/src/router/busybox/console-tools/setkeycodes.c b/release/src/router/busybox/console-tools/setkeycodes.c index 0a5366be..597272a2 100644 --- a/release/src/router/busybox/console-tools/setkeycodes.c +++ b/release/src/router/busybox/console-tools/setkeycodes.c @@ -6,67 +6,44 @@ * * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include "busybox.h" - +//#include <sys/ioctl.h> +#include "libbb.h" /* From <linux/kd.h> */ struct kbkeycode { - unsigned int scancode, keycode; + unsigned scancode, keycode; +}; +enum { + KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */ }; -static const int KDSETKEYCODE = 0x4B4D; /* write kernel keycode table entry */ -extern int -setkeycodes_main(int argc, char** argv) +int setkeycodes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int setkeycodes_main(int argc, char **argv) { - char *ep; - int fd, sc; - struct kbkeycode a; + int fd, sc; + struct kbkeycode a; - if (argc % 2 != 1 || argc < 2) { - bb_show_usage(); + if (!(argc & 1) /* if even */ || argc < 2) { + bb_show_usage(); } - - fd = get_console_fd(); - while (argc > 2) { - a.keycode = atoi(argv[2]); - a.scancode = sc = strtol(argv[1], &ep, 16); - if (*ep) { - bb_error_msg_and_die("error reading SCANCODE: '%s'", argv[1]); - } - if (a.scancode > 127) { - a.scancode -= 0xe000; - a.scancode += 128; - } - if (a.scancode > 255 || a.keycode > 127) { - bb_error_msg_and_die("SCANCODE or KEYCODE outside bounds"); - } - if (ioctl(fd,KDSETKEYCODE,&a)) { - perror("KDSETKEYCODE"); - bb_error_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode); + fd = get_console_fd_or_die(); + + while (argc > 2) { + a.keycode = xatou_range(argv[2], 0, 127); + a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255); + if (a.scancode > 127) { + a.scancode -= 0xe000; + a.scancode += 128; + } + ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a, + "can't set SCANCODE %x to KEYCODE %d", + sc, a.keycode); + argc -= 2; + argv += 2; } - argc -= 2; - argv += 2; - } return EXIT_SUCCESS; } |