1 // SPDX-License-Identifier: GPL-2.0
2 /* Internationalization implementation. Includes definitions of English
3 * string arrays, and the i18n pointer.
6 #include <linux/slab.h> /* For kmalloc. */
7 #include <linux/ctype.h>
8 #include <linux/module.h>
9 #include <linux/string.h>
13 static char *speakup_msgs
[MSG_LAST_INDEX
];
14 static char *speakup_default_msgs
[MSG_LAST_INDEX
] = {
15 [MSG_BLANK
] = "blank",
16 [MSG_IAM_ALIVE
] = "I'm aLive!",
17 [MSG_YOU_KILLED_SPEAKUP
] = "You killed speakup!",
18 [MSG_HEY_THATS_BETTER
] = "hey. That's better!",
19 [MSG_YOU_TURNED_ME_OFF
] = "You turned me off!",
20 [MSG_PARKED
] = "parked!",
21 [MSG_UNPARKED
] = "unparked!",
24 [MSG_MARK_CLEARED
] = "mark, cleared",
25 [MSG_PASTE
] = "paste",
26 [MSG_BRIGHT
] = "bright",
27 [MSG_ON_BLINKING
] = "on blinking",
30 [MSG_NO_WINDOW
] = "no window",
31 [MSG_CURSORING_OFF
] = "cursoring off",
32 [MSG_CURSORING_ON
] = "cursoring on",
33 [MSG_HIGHLIGHT_TRACKING
] = "highlight tracking",
34 [MSG_READ_WINDOW
] = "read windo",
35 [MSG_READ_ALL
] = "read all",
36 [MSG_EDIT_DONE
] = "edit done",
37 [MSG_WINDOW_ALREADY_SET
] = "window already set, clear then reset",
38 [MSG_END_BEFORE_START
] = "error end before start",
39 [MSG_WINDOW_CLEARED
] = "window cleared",
40 [MSG_WINDOW_SILENCED
] = "window silenced",
41 [MSG_WINDOW_SILENCE_DISABLED
] = "window silence disabled",
42 [MSG_ERROR
] = "error",
43 [MSG_GOTO_CANCELED
] = "goto canceled",
44 [MSG_GOTO
] = "go to?",
45 [MSG_LEAVING_HELP
] = "leaving help",
46 [MSG_IS_UNASSIGNED
] = "is unassigned",
48 "press space to exit, up or down to scroll, or a letter to go to a command",
49 [MSG_EDGE_TOP
] = "top,",
50 [MSG_EDGE_BOTTOM
] = "bottom,",
51 [MSG_EDGE_LEFT
] = "left,",
52 [MSG_EDGE_RIGHT
] = "right,",
53 [MSG_NUMBER
] = "number",
54 [MSG_SPACE
] = "space",
55 [MSG_START
] = "start",
57 [MSG_CTRL
] = "control-",
58 [MSG_DISJUNCTION
] = "or",
60 /* Messages with embedded format specifiers. */
61 [MSG_POS_INFO
] = "line %ld, col %ld, t t y %d",
62 [MSG_CHAR_INFO
] = "hex %02x, decimal %d",
63 [MSG_REPEAT_DESC
] = "times %d .",
64 [MSG_REPEAT_DESC2
] = "repeated %d .",
65 [MSG_WINDOW_LINE
] = "window is line %d",
66 [MSG_WINDOW_BOUNDARY
] = "%s at line %d, column %d",
67 [MSG_EDIT_PROMPT
] = "edit %s, press space when done",
68 [MSG_NO_COMMAND
] = "no commands for %c",
69 [MSG_KEYDESC
] = "is %s",
72 /* Most of these duplicate the entries in state names. */
73 [MSG_CTL_SHIFT
] = "shift",
74 [MSG_CTL_ALTGR
] = "altgr",
75 [MSG_CTL_CONTROL
] = "control",
76 [MSG_CTL_ALT
] = "alt",
77 [MSG_CTL_LSHIFT
] = "l shift",
78 [MSG_CTL_SPEAKUP
] = "speakup",
79 [MSG_CTL_LCONTROL
] = "l control",
80 [MSG_CTL_RCONTROL
] = "r control",
81 [MSG_CTL_CAPSSHIFT
] = "caps shift",
84 [MSG_COLOR_BLACK
] = "black",
85 [MSG_COLOR_BLUE
] = "blue",
86 [MSG_COLOR_GREEN
] = "green",
87 [MSG_COLOR_CYAN
] = "cyan",
88 [MSG_COLOR_RED
] = "red",
89 [MSG_COLOR_MAGENTA
] = "magenta",
90 [MSG_COLOR_YELLOW
] = "yellow",
91 [MSG_COLOR_WHITE
] = "white",
92 [MSG_COLOR_GREY
] = "grey",
94 /* Names of key states. */
95 [MSG_STATE_DOUBLE
] = "double",
96 [MSG_STATE_SPEAKUP
] = "speakup",
97 [MSG_STATE_ALT
] = "alt",
98 [MSG_STATE_CONTROL
] = "ctrl",
99 [MSG_STATE_ALTGR
] = "altgr",
100 [MSG_STATE_SHIFT
] = "shift",
103 [MSG_KEYNAME_ESC
] = "escape",
104 [MSG_KEYNAME_1
] = "1",
105 [MSG_KEYNAME_2
] = "2",
106 [MSG_KEYNAME_3
] = "3",
107 [MSG_KEYNAME_4
] = "4",
108 [MSG_KEYNAME_5
] = "5",
109 [MSG_KEYNAME_6
] = "6",
110 [MSG_KEYNAME_7
] = "7",
111 [MSG_KEYNAME_8
] = "8",
112 [MSG_KEYNAME_9
] = "9",
113 [MSG_KEYNAME_0
] = "0",
114 [MSG_KEYNAME_DASH
] = "minus",
115 [MSG_KEYNAME_EQUAL
] = "equal",
116 [MSG_KEYNAME_BS
] = "back space",
117 [MSG_KEYNAME_TAB
] = "tab",
118 [MSG_KEYNAME_Q
] = "q",
119 [MSG_KEYNAME_W
] = "w",
120 [MSG_KEYNAME_E
] = "e",
121 [MSG_KEYNAME_R
] = "r",
122 [MSG_KEYNAME_T
] = "t",
123 [MSG_KEYNAME_Y
] = "y",
124 [MSG_KEYNAME_U
] = "u",
125 [MSG_KEYNAME_I
] = "i",
126 [MSG_KEYNAME_O
] = "o",
127 [MSG_KEYNAME_P
] = "p",
128 [MSG_KEYNAME_LEFTBRACE
] = "left brace",
129 [MSG_KEYNAME_RIGHTBRACE
] = "right brace",
130 [MSG_KEYNAME_ENTER
] = "enter",
131 [MSG_KEYNAME_LEFTCTRL
] = "left control",
132 [MSG_KEYNAME_A
] = "a",
133 [MSG_KEYNAME_S
] = "s",
134 [MSG_KEYNAME_D
] = "d",
135 [MSG_KEYNAME_F
] = "f",
136 [MSG_KEYNAME_G
] = "g",
137 [MSG_KEYNAME_H
] = "h",
138 [MSG_KEYNAME_J
] = "j",
139 [MSG_KEYNAME_K
] = "k",
140 [MSG_KEYNAME_L
] = "l",
141 [MSG_KEYNAME_SEMICOLON
] = "semicolon",
142 [MSG_KEYNAME_SINGLEQUOTE
] = "apostrophe",
143 [MSG_KEYNAME_GRAVE
] = "accent",
144 [MSG_KEYNAME_LEFTSHFT
] = "left shift",
145 [MSG_KEYNAME_BACKSLASH
] = "back slash",
146 [MSG_KEYNAME_Z
] = "z",
147 [MSG_KEYNAME_X
] = "x",
148 [MSG_KEYNAME_C
] = "c",
149 [MSG_KEYNAME_V
] = "v",
150 [MSG_KEYNAME_B
] = "b",
151 [MSG_KEYNAME_N
] = "n",
152 [MSG_KEYNAME_M
] = "m",
153 [MSG_KEYNAME_COMMA
] = "comma",
154 [MSG_KEYNAME_DOT
] = "dot",
155 [MSG_KEYNAME_SLASH
] = "slash",
156 [MSG_KEYNAME_RIGHTSHFT
] = "right shift",
157 [MSG_KEYNAME_KPSTAR
] = "keypad asterisk",
158 [MSG_KEYNAME_LEFTALT
] = "left alt",
159 [MSG_KEYNAME_SPACE
] = "space",
160 [MSG_KEYNAME_CAPSLOCK
] = "caps lock",
161 [MSG_KEYNAME_F1
] = "f1",
162 [MSG_KEYNAME_F2
] = "f2",
163 [MSG_KEYNAME_F3
] = "f3",
164 [MSG_KEYNAME_F4
] = "f4",
165 [MSG_KEYNAME_F5
] = "f5",
166 [MSG_KEYNAME_F6
] = "f6",
167 [MSG_KEYNAME_F7
] = "f7",
168 [MSG_KEYNAME_F8
] = "f8",
169 [MSG_KEYNAME_F9
] = "f9",
170 [MSG_KEYNAME_F10
] = "f10",
171 [MSG_KEYNAME_NUMLOCK
] = "num lock",
172 [MSG_KEYNAME_SCROLLLOCK
] = "scroll lock",
173 [MSG_KEYNAME_KP7
] = "keypad 7",
174 [MSG_KEYNAME_KP8
] = "keypad 8",
175 [MSG_KEYNAME_KP9
] = "keypad 9",
176 [MSG_KEYNAME_KPMINUS
] = "keypad minus",
177 [MSG_KEYNAME_KP4
] = "keypad 4",
178 [MSG_KEYNAME_KP5
] = "keypad 5",
179 [MSG_KEYNAME_KP6
] = "keypad 6",
180 [MSG_KEYNAME_KPPLUS
] = "keypad plus",
181 [MSG_KEYNAME_KP1
] = "keypad 1",
182 [MSG_KEYNAME_KP2
] = "keypad 2",
183 [MSG_KEYNAME_KP3
] = "keypad 3",
184 [MSG_KEYNAME_KP0
] = "keypad 0",
185 [MSG_KEYNAME_KPDOT
] = "keypad dot",
186 [MSG_KEYNAME_103RD
] = "103rd",
187 [MSG_KEYNAME_F13
] = "f13",
188 [MSG_KEYNAME_102ND
] = "102nd",
189 [MSG_KEYNAME_F11
] = "f11",
190 [MSG_KEYNAME_F12
] = "f12",
191 [MSG_KEYNAME_F14
] = "f14",
192 [MSG_KEYNAME_F15
] = "f15",
193 [MSG_KEYNAME_F16
] = "f16",
194 [MSG_KEYNAME_F17
] = "f17",
195 [MSG_KEYNAME_F18
] = "f18",
196 [MSG_KEYNAME_F19
] = "f19",
197 [MSG_KEYNAME_F20
] = "f20",
198 [MSG_KEYNAME_KPENTER
] = "keypad enter",
199 [MSG_KEYNAME_RIGHTCTRL
] = "right control",
200 [MSG_KEYNAME_KPSLASH
] = "keypad slash",
201 [MSG_KEYNAME_SYSRQ
] = "sysrq",
202 [MSG_KEYNAME_RIGHTALT
] = "right alt",
203 [MSG_KEYNAME_LF
] = "line feed",
204 [MSG_KEYNAME_HOME
] = "home",
205 [MSG_KEYNAME_UP
] = "up",
206 [MSG_KEYNAME_PGUP
] = "page up",
207 [MSG_KEYNAME_LEFT
] = "left",
208 [MSG_KEYNAME_RIGHT
] = "right",
209 [MSG_KEYNAME_END
] = "end",
210 [MSG_KEYNAME_DOWN
] = "down",
211 [MSG_KEYNAME_PGDN
] = "page down",
212 [MSG_KEYNAME_INS
] = "insert",
213 [MSG_KEYNAME_DEL
] = "delete",
214 [MSG_KEYNAME_MACRO
] = "macro",
215 [MSG_KEYNAME_MUTE
] = "mute",
216 [MSG_KEYNAME_VOLDOWN
] = "volume down",
217 [MSG_KEYNAME_VOLUP
] = "volume up",
218 [MSG_KEYNAME_POWER
] = "power",
219 [MSG_KEYNAME_KPEQUAL
] = "keypad equal",
220 [MSG_KEYNAME_KPPLUSDASH
] = "keypad plusminus",
221 [MSG_KEYNAME_PAUSE
] = "pause",
222 [MSG_KEYNAME_F21
] = "f21",
223 [MSG_KEYNAME_F22
] = "f22",
224 [MSG_KEYNAME_F23
] = "f23",
225 [MSG_KEYNAME_F24
] = "f24",
226 [MSG_KEYNAME_KPCOMMA
] = "keypad comma",
227 [MSG_KEYNAME_LEFTMETA
] = "left meta",
228 [MSG_KEYNAME_RIGHTMETA
] = "right meta",
229 [MSG_KEYNAME_COMPOSE
] = "compose",
230 [MSG_KEYNAME_STOP
] = "stop",
231 [MSG_KEYNAME_AGAIN
] = "again",
232 [MSG_KEYNAME_PROPS
] = "props",
233 [MSG_KEYNAME_UNDO
] = "undo",
234 [MSG_KEYNAME_FRONT
] = "front",
235 [MSG_KEYNAME_COPY
] = "copy",
236 [MSG_KEYNAME_OPEN
] = "open",
237 [MSG_KEYNAME_PASTE
] = "paste",
238 [MSG_KEYNAME_FIND
] = "find",
239 [MSG_KEYNAME_CUT
] = "cut",
240 [MSG_KEYNAME_HELP
] = "help",
241 [MSG_KEYNAME_MENU
] = "menu",
242 [MSG_KEYNAME_CALC
] = "calc",
243 [MSG_KEYNAME_SETUP
] = "setup",
244 [MSG_KEYNAME_SLEEP
] = "sleep",
245 [MSG_KEYNAME_WAKEUP
] = "wakeup",
246 [MSG_KEYNAME_FILE
] = "file",
247 [MSG_KEYNAME_SENDFILE
] = "send file",
248 [MSG_KEYNAME_DELFILE
] = "delete file",
249 [MSG_KEYNAME_XFER
] = "transfer",
250 [MSG_KEYNAME_PROG1
] = "prog1",
251 [MSG_KEYNAME_PROG2
] = "prog2",
252 [MSG_KEYNAME_WWW
] = "www",
253 [MSG_KEYNAME_MSDOS
] = "msdos",
254 [MSG_KEYNAME_COFFEE
] = "coffee",
255 [MSG_KEYNAME_DIRECTION
] = "direction",
256 [MSG_KEYNAME_CYCLEWINDOWS
] = "cycle windows",
257 [MSG_KEYNAME_MAIL
] = "mail",
258 [MSG_KEYNAME_BOOKMARKS
] = "bookmarks",
259 [MSG_KEYNAME_COMPUTER
] = "computer",
260 [MSG_KEYNAME_BACK
] = "back",
261 [MSG_KEYNAME_FORWARD
] = "forward",
262 [MSG_KEYNAME_CLOSECD
] = "close cd",
263 [MSG_KEYNAME_EJECTCD
] = "eject cd",
264 [MSG_KEYNAME_EJECTCLOSE
] = "eject close cd",
265 [MSG_KEYNAME_NEXTSONG
] = "next song",
266 [MSG_KEYNAME_PLAYPAUSE
] = "play pause",
267 [MSG_KEYNAME_PREVSONG
] = "previous song",
268 [MSG_KEYNAME_STOPCD
] = "stop cd",
269 [MSG_KEYNAME_RECORD
] = "record",
270 [MSG_KEYNAME_REWIND
] = "rewind",
271 [MSG_KEYNAME_PHONE
] = "phone",
272 [MSG_KEYNAME_ISO
] = "iso",
273 [MSG_KEYNAME_CONFIG
] = "config",
274 [MSG_KEYNAME_HOMEPG
] = "home page",
275 [MSG_KEYNAME_REFRESH
] = "refresh",
276 [MSG_KEYNAME_EXIT
] = "exit",
277 [MSG_KEYNAME_MOVE
] = "move",
278 [MSG_KEYNAME_EDIT
] = "edit",
279 [MSG_KEYNAME_SCROLLUP
] = "scroll up",
280 [MSG_KEYNAME_SCROLLDN
] = "scroll down",
281 [MSG_KEYNAME_KPLEFTPAR
] = "keypad left paren",
282 [MSG_KEYNAME_KPRIGHTPAR
] = "keypad right paren",
284 /* Function names. */
285 [MSG_FUNCNAME_ATTRIB_BLEEP_DEC
] = "attribute bleep decrement",
286 [MSG_FUNCNAME_ATTRIB_BLEEP_INC
] = "attribute bleep increment",
287 [MSG_FUNCNAME_BLEEPS_DEC
] = "bleeps decrement",
288 [MSG_FUNCNAME_BLEEPS_INC
] = "bleeps increment",
289 [MSG_FUNCNAME_CHAR_FIRST
] = "character, first",
290 [MSG_FUNCNAME_CHAR_LAST
] = "character, last",
291 [MSG_FUNCNAME_CHAR_CURRENT
] = "character, say current",
292 [MSG_FUNCNAME_CHAR_HEX_AND_DEC
] = "character, say hex and decimal",
293 [MSG_FUNCNAME_CHAR_NEXT
] = "character, say next",
294 [MSG_FUNCNAME_CHAR_PHONETIC
] = "character, say phonetic",
295 [MSG_FUNCNAME_CHAR_PREVIOUS
] = "character, say previous",
296 [MSG_FUNCNAME_CURSOR_PARK
] = "cursor park",
297 [MSG_FUNCNAME_CUT
] = "cut",
298 [MSG_FUNCNAME_EDIT_DELIM
] = "edit delimiters",
299 [MSG_FUNCNAME_EDIT_EXNUM
] = "edit exnum",
300 [MSG_FUNCNAME_EDIT_MOST
] = "edit most",
301 [MSG_FUNCNAME_EDIT_REPEATS
] = "edit repeats",
302 [MSG_FUNCNAME_EDIT_SOME
] = "edit some",
303 [MSG_FUNCNAME_GOTO
] = "go to",
304 [MSG_FUNCNAME_GOTO_BOTTOM
] = "go to bottom edge",
305 [MSG_FUNCNAME_GOTO_LEFT
] = "go to left edge",
306 [MSG_FUNCNAME_GOTO_RIGHT
] = "go to right edge",
307 [MSG_FUNCNAME_GOTO_TOP
] = "go to top edge",
308 [MSG_FUNCNAME_HELP
] = "help",
309 [MSG_FUNCNAME_LINE_SAY_CURRENT
] = "line, say current",
310 [MSG_FUNCNAME_LINE_SAY_NEXT
] = "line, say next",
311 [MSG_FUNCNAME_LINE_SAY_PREVIOUS
] = "line, say previous",
312 [MSG_FUNCNAME_LINE_SAY_WITH_INDENT
] = "line, say with indent",
313 [MSG_FUNCNAME_PASTE
] = "paste",
314 [MSG_FUNCNAME_PITCH_DEC
] = "pitch decrement",
315 [MSG_FUNCNAME_PITCH_INC
] = "pitch increment",
316 [MSG_FUNCNAME_PUNC_DEC
] = "punctuation decrement",
317 [MSG_FUNCNAME_PUNC_INC
] = "punctuation increment",
318 [MSG_FUNCNAME_PUNC_LEVEL_DEC
] = "punc level decrement",
319 [MSG_FUNCNAME_PUNC_LEVEL_INC
] = "punc level increment",
320 [MSG_FUNCNAME_QUIET
] = "quiet",
321 [MSG_FUNCNAME_RATE_DEC
] = "rate decrement",
322 [MSG_FUNCNAME_RATE_INC
] = "rate increment",
323 [MSG_FUNCNAME_READING_PUNC_DEC
] = "reading punctuation decrement",
324 [MSG_FUNCNAME_READING_PUNC_INC
] = "reading punctuation increment",
325 [MSG_FUNCNAME_SAY_ATTRIBUTES
] = "say attributes",
326 [MSG_FUNCNAME_SAY_FROM_LEFT
] = "say from left",
327 [MSG_FUNCNAME_SAY_FROM_TOP
] = "say from top",
328 [MSG_FUNCNAME_SAY_POSITION
] = "say position",
329 [MSG_FUNCNAME_SAY_SCREEN
] = "say screen",
330 [MSG_FUNCNAME_SAY_TO_BOTTOM
] = "say to bottom",
331 [MSG_FUNCNAME_SAY_TO_RIGHT
] = "say to right",
332 [MSG_FUNCNAME_SPEAKUP
] = "speakup",
333 [MSG_FUNCNAME_SPEAKUP_LOCK
] = "speakup lock",
334 [MSG_FUNCNAME_SPEAKUP_OFF
] = "speakup off",
335 [MSG_FUNCNAME_SPEECH_KILL
] = "speech kill",
336 [MSG_FUNCNAME_SPELL_DELAY_DEC
] = "spell delay decrement",
337 [MSG_FUNCNAME_SPELL_DELAY_INC
] = "spell delay increment",
338 [MSG_FUNCNAME_SPELL_WORD
] = "spell word",
339 [MSG_FUNCNAME_SPELL_WORD_PHONETICALLY
] = "spell word phonetically",
340 [MSG_FUNCNAME_TONE_DEC
] = "tone decrement",
341 [MSG_FUNCNAME_TONE_INC
] = "tone increment",
342 [MSG_FUNCNAME_VOICE_DEC
] = "voice decrement",
343 [MSG_FUNCNAME_VOICE_INC
] = "voice increment",
344 [MSG_FUNCNAME_VOLUME_DEC
] = "volume decrement",
345 [MSG_FUNCNAME_VOLUME_INC
] = "volume increment",
346 [MSG_FUNCNAME_WINDOW_CLEAR
] = "window, clear",
347 [MSG_FUNCNAME_WINDOW_SAY
] = "window, say",
348 [MSG_FUNCNAME_WINDOW_SET
] = "window, set",
349 [MSG_FUNCNAME_WINDOW_SILENCE
] = "window, silence",
350 [MSG_FUNCNAME_WORD_SAY_CURRENT
] = "word, say current",
351 [MSG_FUNCNAME_WORD_SAY_NEXT
] = "word, say next",
352 [MSG_FUNCNAME_WORD_SAY_PREVIOUS
] = "word, say previous",
355 static struct msg_group_t all_groups
[] = {
358 .start
= MSG_CTL_START
,
363 .start
= MSG_COLORS_START
,
364 .end
= MSG_COLORS_END
,
368 .start
= MSG_FORMATTED_START
,
369 .end
= MSG_FORMATTED_END
,
372 .name
= "function_names",
373 .start
= MSG_FUNCNAMES_START
,
374 .end
= MSG_FUNCNAMES_END
,
378 .start
= MSG_KEYNAMES_START
,
379 .end
= MSG_KEYNAMES_END
,
382 .name
= "announcements",
383 .start
= MSG_ANNOUNCEMENTS_START
,
384 .end
= MSG_ANNOUNCEMENTS_END
,
388 .start
= MSG_STATES_START
,
389 .end
= MSG_STATES_END
,
393 static const int num_groups
= ARRAY_SIZE(all_groups
);
395 char *spk_msg_get(enum msg_index_t index
)
397 return speakup_msgs
[index
];
401 * Function: next_specifier
402 * Finds the start of the next format specifier in the argument string.
403 * Return value: pointer to start of format
404 * specifier, or NULL if no specifier exists.
406 static char *next_specifier(char *input
)
409 char *next_percent
= input
;
411 while (next_percent
&& !found
) {
412 next_percent
= strchr(next_percent
, '%');
414 /* skip over doubled percent signs */
415 while (next_percent
[0] == '%' &&
416 next_percent
[1] == '%')
418 if (*next_percent
== '%')
420 else if (*next_percent
== '\0')
428 /* Skip over 0 or more flags. */
429 static char *skip_flags(char *input
)
431 while ((*input
!= '\0') && strchr(" 0+-#", *input
))
436 /* Skip over width.precision, if it exists. */
437 static char *skip_width(char *input
)
439 while (isdigit(*input
))
443 while (isdigit(*input
))
450 * Skip past the end of the conversion part.
451 * Note that this code only accepts a handful of conversion specifiers:
452 * c d s x and ld. Not accidental; these are exactly the ones used in
453 * the default group of formatted messages.
455 static char *skip_conversion(char *input
)
457 if ((input
[0] == 'l') && (input
[1] == 'd'))
459 else if ((*input
!= '\0') && strchr("cdsx", *input
))
465 * Function: find_specifier_end
466 * Return a pointer to the end of the format specifier.
468 static char *find_specifier_end(char *input
)
470 input
++; /* Advance over %. */
471 input
= skip_flags(input
);
472 input
= skip_width(input
);
473 input
= skip_conversion(input
);
478 * Function: compare_specifiers
479 * Compare the format specifiers pointed to by *input1 and *input2.
480 * Return true if they are the same, false otherwise.
481 * Advance *input1 and *input2 so that they point to the character following
482 * the end of the specifier.
484 static bool compare_specifiers(char **input1
, char **input2
)
487 char *end1
= find_specifier_end(*input1
);
488 char *end2
= find_specifier_end(*input2
);
489 size_t length1
= end1
- *input1
;
490 size_t length2
= end2
- *input2
;
492 if ((length1
== length2
) && !memcmp(*input1
, *input2
, length1
))
501 * Function: fmt_validate
502 * Check that two format strings contain the same number of format specifiers,
503 * and that the order of specifiers is the same in both strings.
504 * Return true if the condition holds, false if it doesn't.
506 static bool fmt_validate(char *template, char *user
)
509 bool still_comparing
= true;
510 char *template_ptr
= template;
511 char *user_ptr
= user
;
513 while (still_comparing
&& valid
) {
514 template_ptr
= next_specifier(template_ptr
);
515 user_ptr
= next_specifier(user_ptr
);
516 if (template_ptr
&& user_ptr
) {
517 /* Both have at least one more specifier. */
518 valid
= compare_specifiers(&template_ptr
, &user_ptr
);
520 /* No more format specifiers in one or both strings. */
521 still_comparing
= false;
522 /* See if one has more specifiers than the other. */
523 if (template_ptr
|| user_ptr
)
532 * Description: Add a user-supplied message to the user_messages array.
533 * The message text is copied to a memory area allocated with kmalloc.
534 * If the function fails, then user_messages is untouched.
536 * - index: a message number, as found in i18n.h.
537 * - text: text of message. Not NUL-terminated.
538 * - length: number of bytes in text.
539 * Failure conditions:
540 * -EINVAL - Invalid format specifiers in formatted message or illegal index.
541 * -ENOMEM - Unable to allocate memory.
543 ssize_t
spk_msg_set(enum msg_index_t index
, char *text
, size_t length
)
548 if ((index
< MSG_FIRST_INDEX
) || (index
>= MSG_LAST_INDEX
))
551 newstr
= kmalloc(length
+ 1, GFP_KERNEL
);
555 memcpy(newstr
, text
, length
);
556 newstr
[length
] = '\0';
557 if (index
>= MSG_FORMATTED_START
&&
558 index
<= MSG_FORMATTED_END
&&
559 !fmt_validate(speakup_default_msgs
[index
], newstr
)) {
563 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
564 if (speakup_msgs
[index
] != speakup_default_msgs
[index
])
565 kfree(speakup_msgs
[index
]);
566 speakup_msgs
[index
] = newstr
;
567 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
572 * Find a message group, given its name. Return a pointer to the structure
573 * if found, or NULL otherwise.
575 struct msg_group_t
*spk_find_msg_group(const char *group_name
)
577 struct msg_group_t
*group
= NULL
;
580 for (i
= 0; i
< num_groups
; i
++) {
581 if (!strcmp(all_groups
[i
].name
, group_name
)) {
582 group
= &all_groups
[i
];
589 void spk_reset_msg_group(struct msg_group_t
*group
)
594 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
596 for (i
= group
->start
; i
<= group
->end
; i
++) {
597 if (speakup_msgs
[i
] != speakup_default_msgs
[i
])
598 kfree(speakup_msgs
[i
]);
599 speakup_msgs
[i
] = speakup_default_msgs
[i
];
601 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
604 /* Called at initialization time, to establish default messages. */
605 void spk_initialize_msgs(void)
607 memcpy(speakup_msgs
, speakup_default_msgs
,
608 sizeof(speakup_default_msgs
));
611 /* Free user-supplied strings when module is unloaded: */
612 void spk_free_user_msgs(void)
614 enum msg_index_t index
;
617 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
618 for (index
= MSG_FIRST_INDEX
; index
< MSG_LAST_INDEX
; index
++) {
619 if (speakup_msgs
[index
] != speakup_default_msgs
[index
]) {
620 kfree(speakup_msgs
[index
]);
621 speakup_msgs
[index
] = speakup_default_msgs
[index
];
624 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
