forked from Minki/linux
f83461e658
The older obsolete array initializer syntax is currently being used
for some of the array elements. Fix this by using the preferred C99
array initializers syntax.
Fixes: 5b5140bf51 ("speakup: Separate out translations for bright colors names")
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210715163122.62220-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
631 lines
19 KiB
C
631 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Internationalization implementation. Includes definitions of English
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* string arrays, and the i18n pointer.
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*/
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#include <linux/slab.h> /* For kmalloc. */
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#include <linux/ctype.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include "speakup.h"
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#include "spk_priv.h"
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static char *speakup_msgs[MSG_LAST_INDEX];
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static char *speakup_default_msgs[MSG_LAST_INDEX] = {
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[MSG_BLANK] = "blank",
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[MSG_IAM_ALIVE] = "I'm aLive!",
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[MSG_YOU_KILLED_SPEAKUP] = "You killed speakup!",
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[MSG_HEY_THATS_BETTER] = "hey. That's better!",
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[MSG_YOU_TURNED_ME_OFF] = "You turned me off!",
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[MSG_PARKED] = "parked!",
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[MSG_UNPARKED] = "unparked!",
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[MSG_MARK] = "mark",
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[MSG_CUT] = "cut",
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[MSG_MARK_CLEARED] = "mark, cleared",
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[MSG_PASTE] = "paste",
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[MSG_BRIGHT] = "bright",
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[MSG_ON_BLINKING] = "on blinking",
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[MSG_OFF] = "off",
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[MSG_ON] = "on",
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[MSG_NO_WINDOW] = "no window",
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[MSG_CURSORING_OFF] = "cursoring off",
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[MSG_CURSORING_ON] = "cursoring on",
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[MSG_HIGHLIGHT_TRACKING] = "highlight tracking",
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[MSG_READ_WINDOW] = "read windo",
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[MSG_READ_ALL] = "read all",
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[MSG_EDIT_DONE] = "edit done",
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[MSG_WINDOW_ALREADY_SET] = "window already set, clear then reset",
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[MSG_END_BEFORE_START] = "error end before start",
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[MSG_WINDOW_CLEARED] = "window cleared",
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[MSG_WINDOW_SILENCED] = "window silenced",
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[MSG_WINDOW_SILENCE_DISABLED] = "window silence disabled",
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[MSG_ERROR] = "error",
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[MSG_GOTO_CANCELED] = "goto canceled",
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[MSG_GOTO] = "go to?",
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[MSG_LEAVING_HELP] = "leaving help",
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[MSG_IS_UNASSIGNED] = "is unassigned",
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[MSG_HELP_INFO] =
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"press space to exit, up or down to scroll, or a letter to go to a command",
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[MSG_EDGE_TOP] = "top,",
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[MSG_EDGE_BOTTOM] = "bottom,",
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[MSG_EDGE_LEFT] = "left,",
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[MSG_EDGE_RIGHT] = "right,",
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[MSG_NUMBER] = "number",
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[MSG_SPACE] = "space",
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[MSG_START] = "start",
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[MSG_END] = "end",
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[MSG_CTRL] = "control-",
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[MSG_DISJUNCTION] = "or",
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/* Messages with embedded format specifiers. */
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[MSG_POS_INFO] = "line %ld, col %ld, t t y %d",
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[MSG_CHAR_INFO] = "hex %02x, decimal %d",
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[MSG_REPEAT_DESC] = "times %d .",
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[MSG_REPEAT_DESC2] = "repeated %d .",
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[MSG_WINDOW_LINE] = "window is line %d",
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[MSG_WINDOW_BOUNDARY] = "%s at line %d, column %d",
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[MSG_EDIT_PROMPT] = "edit %s, press space when done",
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[MSG_NO_COMMAND] = "no commands for %c",
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[MSG_KEYDESC] = "is %s",
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/* Control keys. */
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/* Most of these duplicate the entries in state names. */
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[MSG_CTL_SHIFT] = "shift",
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[MSG_CTL_ALTGR] = "altgr",
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[MSG_CTL_CONTROL] = "control",
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[MSG_CTL_ALT] = "alt",
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[MSG_CTL_LSHIFT] = "l shift",
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[MSG_CTL_SPEAKUP] = "speakup",
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[MSG_CTL_LCONTROL] = "l control",
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[MSG_CTL_RCONTROL] = "r control",
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[MSG_CTL_CAPSSHIFT] = "caps shift",
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/* Color names. */
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[MSG_COLOR_BLACK] = "black",
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[MSG_COLOR_BLUE] = "blue",
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[MSG_COLOR_GREEN] = "green",
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[MSG_COLOR_CYAN] = "cyan",
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[MSG_COLOR_RED] = "red",
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[MSG_COLOR_MAGENTA] = "magenta",
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[MSG_COLOR_YELLOW] = "yellow",
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[MSG_COLOR_WHITE] = "white",
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[MSG_COLOR_GREY] = "grey",
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[MSG_COLOR_BRIGHTBLUE] = "bright blue",
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[MSG_COLOR_BRIGHTGREEN] = "bright green",
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[MSG_COLOR_BRIGHTCYAN] = "bright cyan",
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[MSG_COLOR_BRIGHTRED] = "bright red",
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[MSG_COLOR_BRIGHTMAGENTA] = "bright magenta",
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[MSG_COLOR_BRIGHTYELLOW] = "bright yellow",
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[MSG_COLOR_BRIGHTWHITE] = "bright white",
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/* Names of key states. */
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[MSG_STATE_DOUBLE] = "double",
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[MSG_STATE_SPEAKUP] = "speakup",
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[MSG_STATE_ALT] = "alt",
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[MSG_STATE_CONTROL] = "ctrl",
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[MSG_STATE_ALTGR] = "altgr",
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[MSG_STATE_SHIFT] = "shift",
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/* Key names. */
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[MSG_KEYNAME_ESC] = "escape",
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[MSG_KEYNAME_1] = "1",
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[MSG_KEYNAME_2] = "2",
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[MSG_KEYNAME_3] = "3",
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[MSG_KEYNAME_4] = "4",
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[MSG_KEYNAME_5] = "5",
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[MSG_KEYNAME_6] = "6",
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[MSG_KEYNAME_7] = "7",
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[MSG_KEYNAME_8] = "8",
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[MSG_KEYNAME_9] = "9",
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[MSG_KEYNAME_0] = "0",
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[MSG_KEYNAME_DASH] = "minus",
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[MSG_KEYNAME_EQUAL] = "equal",
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[MSG_KEYNAME_BS] = "back space",
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[MSG_KEYNAME_TAB] = "tab",
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[MSG_KEYNAME_Q] = "q",
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[MSG_KEYNAME_W] = "w",
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[MSG_KEYNAME_E] = "e",
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[MSG_KEYNAME_R] = "r",
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[MSG_KEYNAME_T] = "t",
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[MSG_KEYNAME_Y] = "y",
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[MSG_KEYNAME_U] = "u",
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[MSG_KEYNAME_I] = "i",
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[MSG_KEYNAME_O] = "o",
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[MSG_KEYNAME_P] = "p",
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[MSG_KEYNAME_LEFTBRACE] = "left brace",
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[MSG_KEYNAME_RIGHTBRACE] = "right brace",
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[MSG_KEYNAME_ENTER] = "enter",
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[MSG_KEYNAME_LEFTCTRL] = "left control",
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[MSG_KEYNAME_A] = "a",
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[MSG_KEYNAME_S] = "s",
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[MSG_KEYNAME_D] = "d",
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[MSG_KEYNAME_F] = "f",
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[MSG_KEYNAME_G] = "g",
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[MSG_KEYNAME_H] = "h",
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[MSG_KEYNAME_J] = "j",
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[MSG_KEYNAME_K] = "k",
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[MSG_KEYNAME_L] = "l",
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[MSG_KEYNAME_SEMICOLON] = "semicolon",
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[MSG_KEYNAME_SINGLEQUOTE] = "apostrophe",
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[MSG_KEYNAME_GRAVE] = "accent",
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[MSG_KEYNAME_LEFTSHFT] = "left shift",
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[MSG_KEYNAME_BACKSLASH] = "back slash",
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[MSG_KEYNAME_Z] = "z",
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[MSG_KEYNAME_X] = "x",
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[MSG_KEYNAME_C] = "c",
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[MSG_KEYNAME_V] = "v",
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[MSG_KEYNAME_B] = "b",
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[MSG_KEYNAME_N] = "n",
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[MSG_KEYNAME_M] = "m",
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[MSG_KEYNAME_COMMA] = "comma",
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[MSG_KEYNAME_DOT] = "dot",
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[MSG_KEYNAME_SLASH] = "slash",
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[MSG_KEYNAME_RIGHTSHFT] = "right shift",
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[MSG_KEYNAME_KPSTAR] = "keypad asterisk",
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[MSG_KEYNAME_LEFTALT] = "left alt",
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[MSG_KEYNAME_SPACE] = "space",
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[MSG_KEYNAME_CAPSLOCK] = "caps lock",
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[MSG_KEYNAME_F1] = "f1",
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[MSG_KEYNAME_F2] = "f2",
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[MSG_KEYNAME_F3] = "f3",
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[MSG_KEYNAME_F4] = "f4",
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[MSG_KEYNAME_F5] = "f5",
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[MSG_KEYNAME_F6] = "f6",
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[MSG_KEYNAME_F7] = "f7",
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[MSG_KEYNAME_F8] = "f8",
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[MSG_KEYNAME_F9] = "f9",
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[MSG_KEYNAME_F10] = "f10",
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[MSG_KEYNAME_NUMLOCK] = "num lock",
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[MSG_KEYNAME_SCROLLLOCK] = "scroll lock",
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[MSG_KEYNAME_KP7] = "keypad 7",
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[MSG_KEYNAME_KP8] = "keypad 8",
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[MSG_KEYNAME_KP9] = "keypad 9",
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[MSG_KEYNAME_KPMINUS] = "keypad minus",
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[MSG_KEYNAME_KP4] = "keypad 4",
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[MSG_KEYNAME_KP5] = "keypad 5",
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[MSG_KEYNAME_KP6] = "keypad 6",
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[MSG_KEYNAME_KPPLUS] = "keypad plus",
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[MSG_KEYNAME_KP1] = "keypad 1",
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[MSG_KEYNAME_KP2] = "keypad 2",
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[MSG_KEYNAME_KP3] = "keypad 3",
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[MSG_KEYNAME_KP0] = "keypad 0",
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[MSG_KEYNAME_KPDOT] = "keypad dot",
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[MSG_KEYNAME_103RD] = "103rd",
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[MSG_KEYNAME_F13] = "f13",
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[MSG_KEYNAME_102ND] = "102nd",
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[MSG_KEYNAME_F11] = "f11",
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[MSG_KEYNAME_F12] = "f12",
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[MSG_KEYNAME_F14] = "f14",
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[MSG_KEYNAME_F15] = "f15",
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[MSG_KEYNAME_F16] = "f16",
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[MSG_KEYNAME_F17] = "f17",
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[MSG_KEYNAME_F18] = "f18",
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[MSG_KEYNAME_F19] = "f19",
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[MSG_KEYNAME_F20] = "f20",
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[MSG_KEYNAME_KPENTER] = "keypad enter",
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[MSG_KEYNAME_RIGHTCTRL] = "right control",
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[MSG_KEYNAME_KPSLASH] = "keypad slash",
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[MSG_KEYNAME_SYSRQ] = "sysrq",
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[MSG_KEYNAME_RIGHTALT] = "right alt",
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[MSG_KEYNAME_LF] = "line feed",
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[MSG_KEYNAME_HOME] = "home",
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[MSG_KEYNAME_UP] = "up",
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[MSG_KEYNAME_PGUP] = "page up",
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[MSG_KEYNAME_LEFT] = "left",
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[MSG_KEYNAME_RIGHT] = "right",
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[MSG_KEYNAME_END] = "end",
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[MSG_KEYNAME_DOWN] = "down",
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[MSG_KEYNAME_PGDN] = "page down",
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[MSG_KEYNAME_INS] = "insert",
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[MSG_KEYNAME_DEL] = "delete",
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[MSG_KEYNAME_MACRO] = "macro",
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[MSG_KEYNAME_MUTE] = "mute",
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[MSG_KEYNAME_VOLDOWN] = "volume down",
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[MSG_KEYNAME_VOLUP] = "volume up",
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[MSG_KEYNAME_POWER] = "power",
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[MSG_KEYNAME_KPEQUAL] = "keypad equal",
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[MSG_KEYNAME_KPPLUSDASH] = "keypad plusminus",
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[MSG_KEYNAME_PAUSE] = "pause",
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[MSG_KEYNAME_F21] = "f21",
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[MSG_KEYNAME_F22] = "f22",
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[MSG_KEYNAME_F23] = "f23",
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[MSG_KEYNAME_F24] = "f24",
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[MSG_KEYNAME_KPCOMMA] = "keypad comma",
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[MSG_KEYNAME_LEFTMETA] = "left meta",
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[MSG_KEYNAME_RIGHTMETA] = "right meta",
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[MSG_KEYNAME_COMPOSE] = "compose",
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[MSG_KEYNAME_STOP] = "stop",
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[MSG_KEYNAME_AGAIN] = "again",
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[MSG_KEYNAME_PROPS] = "props",
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[MSG_KEYNAME_UNDO] = "undo",
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[MSG_KEYNAME_FRONT] = "front",
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[MSG_KEYNAME_COPY] = "copy",
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[MSG_KEYNAME_OPEN] = "open",
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[MSG_KEYNAME_PASTE] = "paste",
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[MSG_KEYNAME_FIND] = "find",
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[MSG_KEYNAME_CUT] = "cut",
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[MSG_KEYNAME_HELP] = "help",
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[MSG_KEYNAME_MENU] = "menu",
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[MSG_KEYNAME_CALC] = "calc",
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[MSG_KEYNAME_SETUP] = "setup",
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[MSG_KEYNAME_SLEEP] = "sleep",
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[MSG_KEYNAME_WAKEUP] = "wakeup",
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[MSG_KEYNAME_FILE] = "file",
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[MSG_KEYNAME_SENDFILE] = "send file",
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[MSG_KEYNAME_DELFILE] = "delete file",
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[MSG_KEYNAME_XFER] = "transfer",
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[MSG_KEYNAME_PROG1] = "prog1",
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[MSG_KEYNAME_PROG2] = "prog2",
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[MSG_KEYNAME_WWW] = "www",
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[MSG_KEYNAME_MSDOS] = "msdos",
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[MSG_KEYNAME_COFFEE] = "coffee",
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[MSG_KEYNAME_DIRECTION] = "direction",
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[MSG_KEYNAME_CYCLEWINDOWS] = "cycle windows",
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[MSG_KEYNAME_MAIL] = "mail",
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[MSG_KEYNAME_BOOKMARKS] = "bookmarks",
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[MSG_KEYNAME_COMPUTER] = "computer",
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[MSG_KEYNAME_BACK] = "back",
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[MSG_KEYNAME_FORWARD] = "forward",
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[MSG_KEYNAME_CLOSECD] = "close cd",
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[MSG_KEYNAME_EJECTCD] = "eject cd",
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[MSG_KEYNAME_EJECTCLOSE] = "eject close cd",
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[MSG_KEYNAME_NEXTSONG] = "next song",
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[MSG_KEYNAME_PLAYPAUSE] = "play pause",
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[MSG_KEYNAME_PREVSONG] = "previous song",
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[MSG_KEYNAME_STOPCD] = "stop cd",
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[MSG_KEYNAME_RECORD] = "record",
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[MSG_KEYNAME_REWIND] = "rewind",
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[MSG_KEYNAME_PHONE] = "phone",
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[MSG_KEYNAME_ISO] = "iso",
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[MSG_KEYNAME_CONFIG] = "config",
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[MSG_KEYNAME_HOMEPG] = "home page",
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[MSG_KEYNAME_REFRESH] = "refresh",
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[MSG_KEYNAME_EXIT] = "exit",
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[MSG_KEYNAME_MOVE] = "move",
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[MSG_KEYNAME_EDIT] = "edit",
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[MSG_KEYNAME_SCROLLUP] = "scroll up",
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[MSG_KEYNAME_SCROLLDN] = "scroll down",
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[MSG_KEYNAME_KPLEFTPAR] = "keypad left paren",
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[MSG_KEYNAME_KPRIGHTPAR] = "keypad right paren",
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/* Function names. */
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[MSG_FUNCNAME_ATTRIB_BLEEP_DEC] = "attribute bleep decrement",
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[MSG_FUNCNAME_ATTRIB_BLEEP_INC] = "attribute bleep increment",
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[MSG_FUNCNAME_BLEEPS_DEC] = "bleeps decrement",
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[MSG_FUNCNAME_BLEEPS_INC] = "bleeps increment",
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[MSG_FUNCNAME_CHAR_FIRST] = "character, first",
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[MSG_FUNCNAME_CHAR_LAST] = "character, last",
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[MSG_FUNCNAME_CHAR_CURRENT] = "character, say current",
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[MSG_FUNCNAME_CHAR_HEX_AND_DEC] = "character, say hex and decimal",
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[MSG_FUNCNAME_CHAR_NEXT] = "character, say next",
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[MSG_FUNCNAME_CHAR_PHONETIC] = "character, say phonetic",
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[MSG_FUNCNAME_CHAR_PREVIOUS] = "character, say previous",
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[MSG_FUNCNAME_CURSOR_PARK] = "cursor park",
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[MSG_FUNCNAME_CUT] = "cut",
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[MSG_FUNCNAME_EDIT_DELIM] = "edit delimiters",
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[MSG_FUNCNAME_EDIT_EXNUM] = "edit exnum",
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[MSG_FUNCNAME_EDIT_MOST] = "edit most",
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[MSG_FUNCNAME_EDIT_REPEATS] = "edit repeats",
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[MSG_FUNCNAME_EDIT_SOME] = "edit some",
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[MSG_FUNCNAME_GOTO] = "go to",
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[MSG_FUNCNAME_GOTO_BOTTOM] = "go to bottom edge",
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[MSG_FUNCNAME_GOTO_LEFT] = "go to left edge",
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[MSG_FUNCNAME_GOTO_RIGHT] = "go to right edge",
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[MSG_FUNCNAME_GOTO_TOP] = "go to top edge",
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[MSG_FUNCNAME_HELP] = "help",
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[MSG_FUNCNAME_LINE_SAY_CURRENT] = "line, say current",
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[MSG_FUNCNAME_LINE_SAY_NEXT] = "line, say next",
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[MSG_FUNCNAME_LINE_SAY_PREVIOUS] = "line, say previous",
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[MSG_FUNCNAME_LINE_SAY_WITH_INDENT] = "line, say with indent",
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[MSG_FUNCNAME_PASTE] = "paste",
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[MSG_FUNCNAME_PITCH_DEC] = "pitch decrement",
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[MSG_FUNCNAME_PITCH_INC] = "pitch increment",
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[MSG_FUNCNAME_PUNC_DEC] = "punctuation decrement",
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[MSG_FUNCNAME_PUNC_INC] = "punctuation increment",
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[MSG_FUNCNAME_PUNC_LEVEL_DEC] = "punc level decrement",
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[MSG_FUNCNAME_PUNC_LEVEL_INC] = "punc level increment",
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[MSG_FUNCNAME_QUIET] = "quiet",
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[MSG_FUNCNAME_RATE_DEC] = "rate decrement",
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[MSG_FUNCNAME_RATE_INC] = "rate increment",
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[MSG_FUNCNAME_READING_PUNC_DEC] = "reading punctuation decrement",
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[MSG_FUNCNAME_READING_PUNC_INC] = "reading punctuation increment",
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[MSG_FUNCNAME_SAY_ATTRIBUTES] = "say attributes",
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[MSG_FUNCNAME_SAY_FROM_LEFT] = "say from left",
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[MSG_FUNCNAME_SAY_FROM_TOP] = "say from top",
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[MSG_FUNCNAME_SAY_POSITION] = "say position",
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[MSG_FUNCNAME_SAY_SCREEN] = "say screen",
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[MSG_FUNCNAME_SAY_TO_BOTTOM] = "say to bottom",
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[MSG_FUNCNAME_SAY_TO_RIGHT] = "say to right",
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[MSG_FUNCNAME_SPEAKUP] = "speakup",
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[MSG_FUNCNAME_SPEAKUP_LOCK] = "speakup lock",
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[MSG_FUNCNAME_SPEAKUP_OFF] = "speakup off",
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[MSG_FUNCNAME_SPEECH_KILL] = "speech kill",
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[MSG_FUNCNAME_SPELL_DELAY_DEC] = "spell delay decrement",
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[MSG_FUNCNAME_SPELL_DELAY_INC] = "spell delay increment",
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[MSG_FUNCNAME_SPELL_WORD] = "spell word",
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[MSG_FUNCNAME_SPELL_WORD_PHONETICALLY] = "spell word phonetically",
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[MSG_FUNCNAME_TONE_DEC] = "tone decrement",
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[MSG_FUNCNAME_TONE_INC] = "tone increment",
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[MSG_FUNCNAME_VOICE_DEC] = "voice decrement",
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[MSG_FUNCNAME_VOICE_INC] = "voice increment",
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[MSG_FUNCNAME_VOLUME_DEC] = "volume decrement",
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[MSG_FUNCNAME_VOLUME_INC] = "volume increment",
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[MSG_FUNCNAME_WINDOW_CLEAR] = "window, clear",
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[MSG_FUNCNAME_WINDOW_SAY] = "window, say",
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[MSG_FUNCNAME_WINDOW_SET] = "window, set",
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[MSG_FUNCNAME_WINDOW_SILENCE] = "window, silence",
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[MSG_FUNCNAME_WORD_SAY_CURRENT] = "word, say current",
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[MSG_FUNCNAME_WORD_SAY_NEXT] = "word, say next",
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[MSG_FUNCNAME_WORD_SAY_PREVIOUS] = "word, say previous",
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};
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static struct msg_group_t all_groups[] = {
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{
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.name = "ctl_keys",
|
|
.start = MSG_CTL_START,
|
|
.end = MSG_CTL_END,
|
|
},
|
|
{
|
|
.name = "colors",
|
|
.start = MSG_COLORS_START,
|
|
.end = MSG_COLORS_END,
|
|
},
|
|
{
|
|
.name = "formatted",
|
|
.start = MSG_FORMATTED_START,
|
|
.end = MSG_FORMATTED_END,
|
|
},
|
|
{
|
|
.name = "function_names",
|
|
.start = MSG_FUNCNAMES_START,
|
|
.end = MSG_FUNCNAMES_END,
|
|
},
|
|
{
|
|
.name = "key_names",
|
|
.start = MSG_KEYNAMES_START,
|
|
.end = MSG_KEYNAMES_END,
|
|
},
|
|
{
|
|
.name = "announcements",
|
|
.start = MSG_ANNOUNCEMENTS_START,
|
|
.end = MSG_ANNOUNCEMENTS_END,
|
|
},
|
|
{
|
|
.name = "states",
|
|
.start = MSG_STATES_START,
|
|
.end = MSG_STATES_END,
|
|
},
|
|
};
|
|
|
|
static const int num_groups = ARRAY_SIZE(all_groups);
|
|
|
|
char *spk_msg_get(enum msg_index_t index)
|
|
{
|
|
return speakup_msgs[index];
|
|
}
|
|
|
|
/*
|
|
* Function: next_specifier
|
|
* Finds the start of the next format specifier in the argument string.
|
|
* Return value: pointer to start of format
|
|
* specifier, or NULL if no specifier exists.
|
|
*/
|
|
static char *next_specifier(char *input)
|
|
{
|
|
int found = 0;
|
|
char *next_percent = input;
|
|
|
|
while (next_percent && !found) {
|
|
next_percent = strchr(next_percent, '%');
|
|
if (next_percent) {
|
|
/* skip over doubled percent signs */
|
|
while (next_percent[0] == '%' &&
|
|
next_percent[1] == '%')
|
|
next_percent += 2;
|
|
if (*next_percent == '%')
|
|
found = 1;
|
|
else if (*next_percent == '\0')
|
|
next_percent = NULL;
|
|
}
|
|
}
|
|
|
|
return next_percent;
|
|
}
|
|
|
|
/* Skip over 0 or more flags. */
|
|
static char *skip_flags(char *input)
|
|
{
|
|
while ((*input != '\0') && strchr(" 0+-#", *input))
|
|
input++;
|
|
return input;
|
|
}
|
|
|
|
/* Skip over width.precision, if it exists. */
|
|
static char *skip_width(char *input)
|
|
{
|
|
while (isdigit(*input))
|
|
input++;
|
|
if (*input == '.') {
|
|
input++;
|
|
while (isdigit(*input))
|
|
input++;
|
|
}
|
|
return input;
|
|
}
|
|
|
|
/*
|
|
* Skip past the end of the conversion part.
|
|
* Note that this code only accepts a handful of conversion specifiers:
|
|
* c d s x and ld. Not accidental; these are exactly the ones used in
|
|
* the default group of formatted messages.
|
|
*/
|
|
static char *skip_conversion(char *input)
|
|
{
|
|
if ((input[0] == 'l') && (input[1] == 'd'))
|
|
input += 2;
|
|
else if ((*input != '\0') && strchr("cdsx", *input))
|
|
input++;
|
|
return input;
|
|
}
|
|
|
|
/*
|
|
* Function: find_specifier_end
|
|
* Return a pointer to the end of the format specifier.
|
|
*/
|
|
static char *find_specifier_end(char *input)
|
|
{
|
|
input++; /* Advance over %. */
|
|
input = skip_flags(input);
|
|
input = skip_width(input);
|
|
input = skip_conversion(input);
|
|
return input;
|
|
}
|
|
|
|
/*
|
|
* Function: compare_specifiers
|
|
* Compare the format specifiers pointed to by *input1 and *input2.
|
|
* Return true if they are the same, false otherwise.
|
|
* Advance *input1 and *input2 so that they point to the character following
|
|
* the end of the specifier.
|
|
*/
|
|
static bool compare_specifiers(char **input1, char **input2)
|
|
{
|
|
bool same = false;
|
|
char *end1 = find_specifier_end(*input1);
|
|
char *end2 = find_specifier_end(*input2);
|
|
size_t length1 = end1 - *input1;
|
|
size_t length2 = end2 - *input2;
|
|
|
|
if ((length1 == length2) && !memcmp(*input1, *input2, length1))
|
|
same = true;
|
|
|
|
*input1 = end1;
|
|
*input2 = end2;
|
|
return same;
|
|
}
|
|
|
|
/*
|
|
* Function: fmt_validate
|
|
* Check that two format strings contain the same number of format specifiers,
|
|
* and that the order of specifiers is the same in both strings.
|
|
* Return true if the condition holds, false if it doesn't.
|
|
*/
|
|
static bool fmt_validate(char *template, char *user)
|
|
{
|
|
bool valid = true;
|
|
bool still_comparing = true;
|
|
char *template_ptr = template;
|
|
char *user_ptr = user;
|
|
|
|
while (still_comparing && valid) {
|
|
template_ptr = next_specifier(template_ptr);
|
|
user_ptr = next_specifier(user_ptr);
|
|
if (template_ptr && user_ptr) {
|
|
/* Both have at least one more specifier. */
|
|
valid = compare_specifiers(&template_ptr, &user_ptr);
|
|
} else {
|
|
/* No more format specifiers in one or both strings. */
|
|
still_comparing = false;
|
|
/* See if one has more specifiers than the other. */
|
|
if (template_ptr || user_ptr)
|
|
valid = false;
|
|
}
|
|
}
|
|
return valid;
|
|
}
|
|
|
|
/*
|
|
* Function: msg_set
|
|
* Description: Add a user-supplied message to the user_messages array.
|
|
* The message text is copied to a memory area allocated with kmalloc.
|
|
* If the function fails, then user_messages is untouched.
|
|
* Arguments:
|
|
* - index: a message number, as found in i18n.h.
|
|
* - text: text of message. Not NUL-terminated.
|
|
* - length: number of bytes in text.
|
|
* Failure conditions:
|
|
* -EINVAL - Invalid format specifiers in formatted message or illegal index.
|
|
* -ENOMEM - Unable to allocate memory.
|
|
*/
|
|
ssize_t spk_msg_set(enum msg_index_t index, char *text, size_t length)
|
|
{
|
|
char *newstr = NULL;
|
|
unsigned long flags;
|
|
|
|
if ((index < MSG_FIRST_INDEX) || (index >= MSG_LAST_INDEX))
|
|
return -EINVAL;
|
|
|
|
newstr = kmemdup_nul(text, length, GFP_KERNEL);
|
|
if (!newstr)
|
|
return -ENOMEM;
|
|
|
|
if (index >= MSG_FORMATTED_START &&
|
|
index <= MSG_FORMATTED_END &&
|
|
!fmt_validate(speakup_default_msgs[index], newstr)) {
|
|
kfree(newstr);
|
|
return -EINVAL;
|
|
}
|
|
spin_lock_irqsave(&speakup_info.spinlock, flags);
|
|
if (speakup_msgs[index] != speakup_default_msgs[index])
|
|
kfree(speakup_msgs[index]);
|
|
speakup_msgs[index] = newstr;
|
|
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Find a message group, given its name. Return a pointer to the structure
|
|
* if found, or NULL otherwise.
|
|
*/
|
|
struct msg_group_t *spk_find_msg_group(const char *group_name)
|
|
{
|
|
struct msg_group_t *group = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < num_groups; i++) {
|
|
if (!strcmp(all_groups[i].name, group_name)) {
|
|
group = &all_groups[i];
|
|
break;
|
|
}
|
|
}
|
|
return group;
|
|
}
|
|
|
|
void spk_reset_msg_group(struct msg_group_t *group)
|
|
{
|
|
unsigned long flags;
|
|
enum msg_index_t i;
|
|
|
|
spin_lock_irqsave(&speakup_info.spinlock, flags);
|
|
|
|
for (i = group->start; i <= group->end; i++) {
|
|
if (speakup_msgs[i] != speakup_default_msgs[i])
|
|
kfree(speakup_msgs[i]);
|
|
speakup_msgs[i] = speakup_default_msgs[i];
|
|
}
|
|
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
|
|
}
|
|
|
|
/* Called at initialization time, to establish default messages. */
|
|
void spk_initialize_msgs(void)
|
|
{
|
|
memcpy(speakup_msgs, speakup_default_msgs,
|
|
sizeof(speakup_default_msgs));
|
|
}
|
|
|
|
/* Free user-supplied strings when module is unloaded: */
|
|
void spk_free_user_msgs(void)
|
|
{
|
|
enum msg_index_t index;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&speakup_info.spinlock, flags);
|
|
for (index = MSG_FIRST_INDEX; index < MSG_LAST_INDEX; index++) {
|
|
if (speakup_msgs[index] != speakup_default_msgs[index]) {
|
|
kfree(speakup_msgs[index]);
|
|
speakup_msgs[index] = speakup_default_msgs[index];
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
|
|
}
|