diff options
Diffstat (limited to 'src/udev/udev-builtin-keyboard.c')
| -rw-r--r-- | src/udev/udev-builtin-keyboard.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/udev/udev-builtin-keyboard.c b/src/udev/udev-builtin-keyboard.c deleted file mode 100644 index 8ab1be89ee..0000000000 --- a/src/udev/udev-builtin-keyboard.c +++ /dev/null @@ -1,165 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2013 Kay Sievers <kay@vrfy.org> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <linux/input.h> - -#include "udev.h" - -static const struct key *keyboard_lookup_key(const char *str, unsigned len); -#include "keyboard-keys-from-name.h" - -static int install_force_release(struct udev_device *dev, const unsigned *release, unsigned release_count) { - struct udev_device *atkbd; - const char *cur; - char codes[4096]; - char *s; - size_t l; - unsigned i; - int ret; - - atkbd = udev_device_get_parent_with_subsystem_devtype(dev, "serio", NULL); - if (!atkbd) - return -ENODEV; - - cur = udev_device_get_sysattr_value(atkbd, "force_release"); - if (!cur) - return -ENODEV; - - s = codes; - l = sizeof(codes); - - /* copy current content */ - l = strpcpy(&s, l, cur); - - /* append new codes */ - for (i = 0; i < release_count; i++) - l = strpcpyf(&s, l, ",%u", release[i]); - - log_debug("keyboard: updating force-release list with '%s'", codes); - ret = udev_device_set_sysattr_value(atkbd, "force_release", codes); - if (ret < 0) - log_error_errno(ret, "Error writing force-release attribute: %m"); - return ret; -} - -static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev_list_entry *entry; - struct { - unsigned scan; - unsigned key; - } map[1024]; - unsigned map_count = 0; - unsigned release[1024]; - unsigned release_count = 0; - - udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) { - const char *key; - unsigned scancode, keycode_num; - char *endptr; - const char *keycode; - const struct key *k; - - key = udev_list_entry_get_name(entry); - if (!startswith(key, "KEYBOARD_KEY_")) - continue; - - /* KEYBOARD_KEY_<hex scan code>=<key identifier string> */ - scancode = strtoul(key + 13, &endptr, 16); - if (endptr[0] != '\0') { - log_error("Error, unable to parse scan code from '%s'", key); - continue; - } - - keycode = udev_list_entry_get_value(entry); - - /* a leading '!' needs a force-release entry */ - if (keycode[0] == '!') { - keycode++; - - release[release_count] = scancode; - if (release_count < ELEMENTSOF(release)-1) - release_count++; - - if (keycode[0] == '\0') - continue; - } - - /* translate identifier to key code */ - k = keyboard_lookup_key(keycode, strlen(keycode)); - if (k) { - keycode_num = k->id; - } else { - /* check if it's a numeric code already */ - keycode_num = strtoul(keycode, &endptr, 0); - if (endptr[0] !='\0') { - log_error("Error, unknown key identifier '%s'", keycode); - continue; - } - } - - map[map_count].scan = scancode; - map[map_count].key = keycode_num; - if (map_count < ELEMENTSOF(map)-1) - map_count++; - } - - if (map_count > 0 || release_count > 0) { - const char *node; - int fd; - unsigned i; - - node = udev_device_get_devnode(dev); - if (!node) { - log_error("Error, no device node for '%s'", udev_device_get_syspath(dev)); - return EXIT_FAILURE; - } - - fd = open(udev_device_get_devnode(dev), O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY); - if (fd < 0) { - log_error_errno(errno, "Error, opening device '%s': %m", node); - return EXIT_FAILURE; - } - - /* install list of map codes */ - for (i = 0; i < map_count; i++) { - log_debug("keyboard: mapping scan code %d (0x%x) to key code %d (0x%x)", - map[i].scan, map[i].scan, map[i].key, map[i].key); - if (ioctl(fd, EVIOCSKEYCODE, &map[i]) < 0) - log_error_errno(errno, "Error calling EVIOCSKEYCODE on device node '%s' (scan code 0x%x, key code %d): %m", node, map[i].scan, map[i].key); - } - - /* install list of force-release codes */ - if (release_count > 0) - install_force_release(dev, release, release_count); - - close(fd); - } - - return EXIT_SUCCESS; -} - -const struct udev_builtin udev_builtin_keyboard = { - .name = "keyboard", - .cmd = builtin_keyboard, - .help = "Keyboard scan code to key mapping", -}; |