1/* Conversion to and from TCVN5712-1.
2 Copyright (C) 2001-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <dlfcn.h>
21#include <stdint.h>
22#include <stdlib.h>
23
24#define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))
25
26/* Definitions used in the body of the `gconv' function. */
27#define CHARSET_NAME "TCVN5712-1//"
28#define FROM_LOOP from_tcvn5712_1
29#define TO_LOOP to_tcvn5712_1
30#define DEFINE_INIT 1
31#define DEFINE_FINI 1
32#define ONE_DIRECTION 0
33#define FROM_LOOP_MIN_NEEDED_FROM 1
34#define FROM_LOOP_MAX_NEEDED_FROM 1
35#define FROM_LOOP_MIN_NEEDED_TO 4
36#define FROM_LOOP_MAX_NEEDED_TO 4
37#define TO_LOOP_MIN_NEEDED_FROM 4
38#define TO_LOOP_MAX_NEEDED_FROM 4
39#define TO_LOOP_MIN_NEEDED_TO 1
40#define TO_LOOP_MAX_NEEDED_TO 2
41#define PREPARE_LOOP \
42 int saved_state; \
43 int *statep = &data->__statep->__count;
44#define EXTRA_LOOP_ARGS , statep
45
46
47/* Since we might have to reset input pointer we must be able to save
48 and restore the state. */
49#define SAVE_RESET_STATE(Save) \
50 if (Save) \
51 saved_state = *statep; \
52 else \
53 *statep = saved_state
54
55
56/* During TCVN5712-1 to UCS4 conversion, the COUNT element of the state
57 contains the last UCS4 character, shifted by 3 bits. */
58
59
60/* Since this is a stateful encoding we have to provide code which resets
61 the output state to the initial state. This has to be done during the
62 flushing. */
63#define EMIT_SHIFT_TO_INIT \
64 if (data->__statep->__count != 0) \
65 { \
66 if (FROM_DIRECTION) \
67 { \
68 if (__glibc_likely (outbuf + 4 <= outend)) \
69 { \
70 /* Write out the last character. */ \
71 *((uint32_t *) outbuf) = data->__statep->__count >> 3; \
72 outbuf += sizeof (uint32_t); \
73 data->__statep->__count = 0; \
74 } \
75 else \
76 /* We don't have enough room in the output buffer. */ \
77 status = __GCONV_FULL_OUTPUT; \
78 } \
79 else \
80 /* We don't use shift states in the TO_DIRECTION. */ \
81 data->__statep->__count = 0; \
82 }
83
84
85static const uint16_t map_from_tcvn_low[0x18] =
86 {
87 0x0000, 0x00da, 0x1ee4, 0x0003, 0x1eea, 0x1eec, 0x1eee, 0x0007,
88 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
89 0x0010, 0x1ee8, 0x1ef0, 0x1ef2, 0x1ef6, 0x1ef8, 0x00dd, 0x1ef4
90 };
91
92static const uint16_t map_from_tcvn_high[0x80] =
93 {
94 0x00c0, 0x1ea2, 0x00c3, 0x00c1, 0x1ea0, 0x1eb6, 0x1eac, 0x00c8,
95 0x1eba, 0x1ebc, 0x00c9, 0x1eb8, 0x1ec6, 0x00cc, 0x1ec8, 0x0128,
96 0x00cd, 0x1eca, 0x00d2, 0x1ece, 0x00d5, 0x00d3, 0x1ecc, 0x1ed8,
97 0x1edc, 0x1ede, 0x1ee0, 0x1eda, 0x1ee2, 0x00d9, 0x1ee6, 0x0168,
98 0x00a0, 0x0102, 0x00c2, 0x00ca, 0x00d4, 0x01a0, 0x01af, 0x0110,
99 0x0103, 0x00e2, 0x00ea, 0x00f4, 0x01a1, 0x01b0, 0x0111, 0x1eb0,
100 0x0300, 0x0309, 0x0303, 0x0301, 0x0323, 0x00e0, 0x1ea3, 0x00e3,
101 0x00e1, 0x1ea1, 0x1eb2, 0x1eb1, 0x1eb3, 0x1eb5, 0x1eaf, 0x1eb4,
102 0x1eae, 0x1ea6, 0x1ea8, 0x1eaa, 0x1ea4, 0x1ec0, 0x1eb7, 0x1ea7,
103 0x1ea9, 0x1eab, 0x1ea5, 0x1ead, 0x00e8, 0x1ec2, 0x1ebb, 0x1ebd,
104 0x00e9, 0x1eb9, 0x1ec1, 0x1ec3, 0x1ec5, 0x1ebf, 0x1ec7, 0x00ec,
105 0x1ec9, 0x1ec4, 0x1ebe, 0x1ed2, 0x0129, 0x00ed, 0x1ecb, 0x00f2,
106 0x1ed4, 0x1ecf, 0x00f5, 0x00f3, 0x1ecd, 0x1ed3, 0x1ed5, 0x1ed7,
107 0x1ed1, 0x1ed9, 0x1edd, 0x1edf, 0x1ee1, 0x1edb, 0x1ee3, 0x00f9,
108 0x1ed6, 0x1ee7, 0x0169, 0x00fa, 0x1ee5, 0x1eeb, 0x1eed, 0x1eef,
109 0x1ee9, 0x1ef1, 0x1ef3, 0x1ef7, 0x1ef9, 0x00fd, 0x1ef5, 0x1ed0
110 };
111
112
113/* TCVN5712-1 contains five combining characters:
114 0x0300, 0x0301, 0x0303, 0x0309, 0x0323. */
115
116/* Composition tables for each of the relevant combining characters. */
117static const struct
118{
119 uint16_t base;
120 uint16_t composed;
121} comp_table_data[] =
122 {
123#define COMP_TABLE_IDX_0300 0
124#define COMP_TABLE_LEN_0300 28
125 { 0x0041, 0x00C0 },
126 { 0x0045, 0x00C8 },
127 { 0x0049, 0x00CC },
128 { 0x004E, 0x01F8 },
129 { 0x004F, 0x00D2 },
130 { 0x0055, 0x00D9 },
131 { 0x0057, 0x1E80 },
132 { 0x0059, 0x1EF2 },
133 { 0x0061, 0x00E0 },
134 { 0x0065, 0x00E8 },
135 { 0x0069, 0x00EC },
136 { 0x006E, 0x01F9 },
137 { 0x006F, 0x00F2 },
138 { 0x0075, 0x00F9 },
139 { 0x0077, 0x1E81 },
140 { 0x0079, 0x1EF3 },
141 /*{ 0x00A8, 0x1FED },*/
142 { 0x00C2, 0x1EA6 },
143 { 0x00CA, 0x1EC0 },
144 { 0x00D4, 0x1ED2 },
145 /*{ 0x00DC, 0x01DB },*/
146 { 0x00E2, 0x1EA7 },
147 { 0x00EA, 0x1EC1 },
148 { 0x00F4, 0x1ED3 },
149 /*{ 0x00FC, 0x01DC },*/
150 { 0x0102, 0x1EB0 },
151 { 0x0103, 0x1EB1 },
152 /*{ 0x0112, 0x1E14 },*/
153 /*{ 0x0113, 0x1E15 },*/
154 /*{ 0x014C, 0x1E50 },*/
155 /*{ 0x014D, 0x1E51 },*/
156 { 0x01A0, 0x1EDC },
157 { 0x01A1, 0x1EDD },
158 { 0x01AF, 0x1EEA },
159 { 0x01B0, 0x1EEB },
160#define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300)
161#define COMP_TABLE_LEN_0301 50
162 { 0x0041, 0x00C1 },
163 { 0x0043, 0x0106 },
164 { 0x0045, 0x00C9 },
165 { 0x0047, 0x01F4 },
166 { 0x0049, 0x00CD },
167 { 0x004B, 0x1E30 },
168 { 0x004C, 0x0139 },
169 { 0x004D, 0x1E3E },
170 { 0x004E, 0x0143 },
171 { 0x004F, 0x00D3 },
172 { 0x0050, 0x1E54 },
173 { 0x0052, 0x0154 },
174 { 0x0053, 0x015A },
175 { 0x0055, 0x00DA },
176 { 0x0057, 0x1E82 },
177 { 0x0059, 0x00DD },
178 { 0x005A, 0x0179 },
179 { 0x0061, 0x00E1 },
180 { 0x0063, 0x0107 },
181 { 0x0065, 0x00E9 },
182 { 0x0067, 0x01F5 },
183 { 0x0069, 0x00ED },
184 { 0x006B, 0x1E31 },
185 { 0x006C, 0x013A },
186 { 0x006D, 0x1E3F },
187 { 0x006E, 0x0144 },
188 { 0x006F, 0x00F3 },
189 { 0x0070, 0x1E55 },
190 { 0x0072, 0x0155 },
191 { 0x0073, 0x015B },
192 { 0x0075, 0x00FA },
193 { 0x0077, 0x1E83 },
194 { 0x0079, 0x00FD },
195 { 0x007A, 0x017A },
196 /*{ 0x00A8, 0x0385 },*//* prefer U+0385 over U+1FEE */
197 { 0x00C2, 0x1EA4 },
198 /*{ 0x00C5, 0x01FA },*/
199 /*{ 0x00C6, 0x01FC },*/
200 /*{ 0x00C7, 0x1E08 },*/
201 { 0x00CA, 0x1EBE },
202 /*{ 0x00CF, 0x1E2E },*/
203 { 0x00D4, 0x1ED0 },
204 { 0x00D5, 0x1E4C },
205 /*{ 0x00D8, 0x01FE },*/
206 /*{ 0x00DC, 0x01D7 },*/
207 { 0x00E2, 0x1EA5 },
208 /*{ 0x00E5, 0x01FB },*/
209 /*{ 0x00E6, 0x01FD },*/
210 /*{ 0x00E7, 0x1E09 },*/
211 { 0x00EA, 0x1EBF },
212 /*{ 0x00EF, 0x1E2F },*/
213 { 0x00F4, 0x1ED1 },
214 { 0x00F5, 0x1E4D },
215 /*{ 0x00F8, 0x01FF },*/
216 /*{ 0x00FC, 0x01D8 },*/
217 { 0x0102, 0x1EAE },
218 { 0x0103, 0x1EAF },
219 /*{ 0x0112, 0x1E16 },*/
220 /*{ 0x0113, 0x1E17 },*/
221 /*{ 0x014C, 0x1E52 },*/
222 /*{ 0x014D, 0x1E53 },*/
223 { 0x0168, 0x1E78 },
224 { 0x0169, 0x1E79 },
225 { 0x01A0, 0x1EDA },
226 { 0x01A1, 0x1EDB },
227 { 0x01AF, 0x1EE8 },
228 { 0x01B0, 0x1EE9 },
229#define COMP_TABLE_IDX_0303 (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301)
230#define COMP_TABLE_LEN_0303 34
231 { 0x0041, 0x00C3 },
232 { 0x0045, 0x1EBC },
233 { 0x0049, 0x0128 },
234 { 0x004E, 0x00D1 },
235 { 0x004F, 0x00D5 },
236 { 0x0055, 0x0168 },
237 { 0x0056, 0x1E7C },
238 { 0x0059, 0x1EF8 },
239 { 0x0061, 0x00E3 },
240 { 0x0065, 0x1EBD },
241 { 0x0069, 0x0129 },
242 { 0x006E, 0x00F1 },
243 { 0x006F, 0x00F5 },
244 { 0x0075, 0x0169 },
245 { 0x0076, 0x1E7D },
246 { 0x0079, 0x1EF9 },
247 { 0x00C2, 0x1EAA },
248 { 0x00CA, 0x1EC4 },
249 { 0x00D3, 0x1E4C },
250 { 0x00D4, 0x1ED6 },
251 { 0x00D6, 0x1E4E },
252 { 0x00DA, 0x1E78 },
253 { 0x00E2, 0x1EAB },
254 { 0x00EA, 0x1EC5 },
255 { 0x00F3, 0x1E4D },
256 { 0x00F4, 0x1ED7 },
257 { 0x00F6, 0x1E4F },
258 { 0x00FA, 0x1E79 },
259 { 0x0102, 0x1EB4 },
260 { 0x0103, 0x1EB5 },
261 { 0x01A0, 0x1EE0 },
262 { 0x01A1, 0x1EE1 },
263 { 0x01AF, 0x1EEE },
264 { 0x01B0, 0x1EEF },
265#define COMP_TABLE_IDX_0309 (COMP_TABLE_IDX_0303 + COMP_TABLE_LEN_0303)
266#define COMP_TABLE_LEN_0309 24
267 { 0x0041, 0x1EA2 },
268 { 0x0045, 0x1EBA },
269 { 0x0049, 0x1EC8 },
270 { 0x004F, 0x1ECE },
271 { 0x0055, 0x1EE6 },
272 { 0x0059, 0x1EF6 },
273 { 0x0061, 0x1EA3 },
274 { 0x0065, 0x1EBB },
275 { 0x0069, 0x1EC9 },
276 { 0x006F, 0x1ECF },
277 { 0x0075, 0x1EE7 },
278 { 0x0079, 0x1EF7 },
279 { 0x00C2, 0x1EA8 },
280 { 0x00CA, 0x1EC2 },
281 { 0x00D4, 0x1ED4 },
282 { 0x00E2, 0x1EA9 },
283 { 0x00EA, 0x1EC3 },
284 { 0x00F4, 0x1ED5 },
285 { 0x0102, 0x1EB2 },
286 { 0x0103, 0x1EB3 },
287 { 0x01A0, 0x1EDE },
288 { 0x01A1, 0x1EDF },
289 { 0x01AF, 0x1EEC },
290 { 0x01B0, 0x1EED },
291#define COMP_TABLE_IDX_0323 (COMP_TABLE_IDX_0309 + COMP_TABLE_LEN_0309)
292#define COMP_TABLE_LEN_0323 50
293 { 0x0041, 0x1EA0 },
294 { 0x0042, 0x1E04 },
295 { 0x0044, 0x1E0C },
296 { 0x0045, 0x1EB8 },
297 { 0x0048, 0x1E24 },
298 { 0x0049, 0x1ECA },
299 { 0x004B, 0x1E32 },
300 { 0x004C, 0x1E36 },
301 { 0x004D, 0x1E42 },
302 { 0x004E, 0x1E46 },
303 { 0x004F, 0x1ECC },
304 { 0x0052, 0x1E5A },
305 { 0x0053, 0x1E62 },
306 { 0x0054, 0x1E6C },
307 { 0x0055, 0x1EE4 },
308 { 0x0056, 0x1E7E },
309 { 0x0057, 0x1E88 },
310 { 0x0059, 0x1EF4 },
311 { 0x005A, 0x1E92 },
312 { 0x0061, 0x1EA1 },
313 { 0x0062, 0x1E05 },
314 { 0x0064, 0x1E0D },
315 { 0x0065, 0x1EB9 },
316 { 0x0068, 0x1E25 },
317 { 0x0069, 0x1ECB },
318 { 0x006B, 0x1E33 },
319 { 0x006C, 0x1E37 },
320 { 0x006D, 0x1E43 },
321 { 0x006E, 0x1E47 },
322 { 0x006F, 0x1ECD },
323 { 0x0072, 0x1E5B },
324 { 0x0073, 0x1E63 },
325 { 0x0074, 0x1E6D },
326 { 0x0075, 0x1EE5 },
327 { 0x0076, 0x1E7F },
328 { 0x0077, 0x1E89 },
329 { 0x0079, 0x1EF5 },
330 { 0x007A, 0x1E93 },
331 { 0x00C2, 0x1EAC },
332 { 0x00CA, 0x1EC6 },
333 { 0x00D4, 0x1ED8 },
334 { 0x00E2, 0x1EAD },
335 { 0x00EA, 0x1EC7 },
336 { 0x00F4, 0x1ED9 },
337 { 0x0102, 0x1EB6 },
338 { 0x0103, 0x1EB7 },
339 { 0x01A0, 0x1EE2 },
340 { 0x01A1, 0x1EE3 },
341 { 0x01AF, 0x1EF0 },
342 { 0x01B0, 0x1EF1 },
343#define COMP_TABLE_IDX_END (COMP_TABLE_IDX_0323 + COMP_TABLE_LEN_0323)
344 };
345/* Compile-time verification of table size. */
346typedef int verify1[(NELEMS (comp_table_data) == COMP_TABLE_IDX_END) - 1];
347
348static const struct
349{
350 unsigned int idx;
351 unsigned int len;
352} comp_table[5] =
353 {
354 { COMP_TABLE_IDX_0300, COMP_TABLE_LEN_0300 },
355 { COMP_TABLE_IDX_0301, COMP_TABLE_LEN_0301 },
356 { COMP_TABLE_IDX_0303, COMP_TABLE_LEN_0303 },
357 { COMP_TABLE_IDX_0309, COMP_TABLE_LEN_0309 },
358 { COMP_TABLE_IDX_0323, COMP_TABLE_LEN_0323 },
359 };
360
361
362/* First define the conversion function from TCVN5712-1 to UCS4. */
363#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
364#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
365#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
366#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
367#define LOOPFCT FROM_LOOP
368#define BODY \
369 { \
370 uint32_t ch = *inptr; \
371 uint32_t last_ch; \
372 int must_buffer_ch; \
373 \
374 if (ch < 0x18) \
375 ch = map_from_tcvn_low[ch]; \
376 else if (ch >= 0x80) \
377 ch = map_from_tcvn_high[ch - 0x80]; \
378 \
379 /* Determine whether there is a buffered character pending. */ \
380 last_ch = *statep >> 3; \
381 \
382 /* We have to buffer ch if it is a possible match in comp_table_data. */ \
383 must_buffer_ch = (ch >= 0x0041 && ch <= 0x01b0); \
384 \
385 if (last_ch) \
386 { \
387 if (ch >= 0x0300 && ch < 0x0340) \
388 { \
389 /* See whether last_ch and ch can be combined. */ \
390 unsigned int i; \
391 unsigned int i1; \
392 unsigned int i2; \
393 \
394 switch (ch) \
395 { \
396 case 0x0300: \
397 i = 0; \
398 break; \
399 case 0x0301: \
400 i = 1; \
401 break; \
402 case 0x0303: \
403 i = 2; \
404 break; \
405 case 0x0309: \
406 i = 3; \
407 break; \
408 case 0x0323: \
409 i = 4; \
410 break; \
411 default: \
412 abort (); \
413 } \
414 \
415 i1 = comp_table[i].idx; \
416 i2 = i1 + comp_table[i].len - 1; \
417 \
418 if (last_ch >= comp_table_data[i1].base \
419 && last_ch <= comp_table_data[i2].base) \
420 { \
421 for (;;) \
422 { \
423 i = (i1 + i2) >> 1; \
424 if (last_ch == comp_table_data[i].base) \
425 break; \
426 if (last_ch < comp_table_data[i].base) \
427 { \
428 if (i1 == i) \
429 goto not_combining; \
430 i2 = i; \
431 } \
432 else \
433 { \
434 if (i1 != i) \
435 i1 = i; \
436 else \
437 { \
438 i = i2; \
439 if (last_ch == comp_table_data[i].base) \
440 break; \
441 goto not_combining; \
442 } \
443 } \
444 } \
445 last_ch = comp_table_data[i].composed; \
446 /* Output the combined character. */ \
447 put32 (outptr, last_ch); \
448 outptr += 4; \
449 *statep = 0; \
450 ++inptr; \
451 continue; \
452 } \
453 } \
454 \
455 not_combining: \
456 /* Output the buffered character. */ \
457 put32 (outptr, last_ch); \
458 outptr += 4; \
459 *statep = 0; \
460 \
461 /* If we don't have enough room to output ch as well, then deal \
462 with it in another round. */ \
463 if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0)) \
464 continue; \
465 } \
466 \
467 if (must_buffer_ch) \
468 *statep = ch << 3; \
469 else \
470 { \
471 put32 (outptr, ch); \
472 outptr += 4; \
473 } \
474 ++inptr; \
475 }
476#define EXTRA_LOOP_DECLS , int *statep
477#define ONEBYTE_BODY \
478 { \
479 uint32_t ch; \
480 \
481 if (c < 0x18) \
482 ch = map_from_tcvn_low[c]; \
483 else if (c >= 0x80) \
484 ch = map_from_tcvn_high[c - 0x80]; \
485 else \
486 ch = c; \
487 if (ch >= 0x0041 && ch <= 0x01b0) \
488 return WEOF; \
489 return ch; \
490 }
491#include <iconv/loop.c>
492
493
494/* Next, define the conversion function from UCS4 to TCVN5712-1. */
495
496static const unsigned char from_ucs4[] =
497 {
498#define FROM_IDX_00 0
499 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07, /* 0x0001-0x0007 */
500 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x0008-0x000f */
501 0x10, /* 0x0010-0x0010 */
502
503#define FROM_IDX_01 (FROM_IDX_00 + 16)
504 0x80, 0x83, 0xa2, 0x82, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00c7 */
505 0x87, 0x8a, 0xa3, 0x00, 0x8d, 0x90, 0x00, 0x00, /* 0x00c8-0x00cf */
506 0x00, 0x00, 0x92, 0x95, 0xa4, 0x94, 0x00, 0x00, /* 0x00d0-0x00d7 */
507 0x00, 0x9d, 0x01, 0x00, 0x00, 0x16, 0x00, 0x00, /* 0x00d8-0x00df */
508 0xb5, 0xb8, 0xa9, 0xb7, 0x00, 0x00, 0x00, 0x00, /* 0x00e0-0x00e7 */
509 0xcc, 0xd0, 0xaa, 0x00, 0xd7, 0xdd, 0x00, 0x00, /* 0x00e8-0x00ef */
510 0x00, 0x00, 0xdf, 0xe3, 0xab, 0xe2, 0x00, 0x00, /* 0x00f0-0x00f7 */
511 0x00, 0xef, 0xf3, 0x00, 0x00, 0xfd, 0x00, 0x00, /* 0x00f8-0x00ff */
512 0x00, 0x00, 0xa1, 0xa8, 0x00, 0x00, 0x00, 0x00, /* 0x0100-0x0107 */
513 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0108-0x010f */
514 0xa7, 0xae, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0110-0x0117 */
515 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0118-0x011f */
516 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0120-0x0127 */
517 0x8f, 0xdc, /* 0x0128-0x0129 */
518
519#define FROM_IDX_02 (FROM_IDX_01 + 106)
520 0x9f, 0xf2, /* 0x0168-0x0169 */
521
522#define FROM_IDX_03 (FROM_IDX_02 + 2)
523 0xa5, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x01a0-0x01a7 */
524 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa6, /* 0x01a8-0x01af */
525 0xad, /* 0x01b0-0x01b0 */
526
527#define FROM_IDX_04 (FROM_IDX_03 + 17)
528 0xb0, 0xb3, 0x00, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x0300-0x0307 */
529 0x00, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0308-0x030f */
530 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0310-0x0317 */
531 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0318-0x031f */
532 0x00, 0x00, 0x00, 0xb4, /* 0x0320-0x0323 */
533
534#define FROM_IDX_05 (FROM_IDX_04 + 36)
535 0x84, 0xb9, 0x81, 0xb6, 0xc4, 0xca, 0xc1, 0xc7, /* 0x1ea0-0x1ea7 */
536 0xc2, 0xc8, 0xc3, 0xc9, 0x86, 0xcb, 0xc0, 0xbe, /* 0x1ea8-0x1eaf */
537 0xaf, 0xbb, 0xba, 0xbc, 0xbf, 0xbd, 0x85, 0xc6, /* 0x1eb0-0x1eb7 */
538 0x8b, 0xd1, 0x88, 0xce, 0x89, 0xcf, 0xda, 0xd5, /* 0x1eb8-0x1ebf */
539 0xc5, 0xd2, 0xcd, 0xd3, 0xd9, 0xd4, 0x8c, 0xd6, /* 0x1ec0-0x1ec7 */
540 0x8e, 0xd8, 0x91, 0xde, 0x96, 0xe4, 0x93, 0xe1, /* 0x1ec8-0x1ecf */
541 0xff, 0xe8, 0xdb, 0xe5, 0xe0, 0xe6, 0xf0, 0xe7, /* 0x1ed0-0x1ed7 */
542 0x97, 0xe9, 0x9b, 0xed, 0x98, 0xea, 0x99, 0xeb, /* 0x1ed8-0x1edf */
543 0x9a, 0xec, 0x9c, 0xee, 0x02, 0xf4, 0x9e, 0xf1, /* 0x1ee0-0x1ee7 */
544 0x11, 0xf8, 0x04, 0xf5, 0x05, 0xf6, 0x06, 0xf7, /* 0x1ee8-0x1eef */
545 0x12, 0xf9, 0x13, 0xfa, 0x17, 0xfe, 0x14, 0xfb, /* 0x1ef0-0x1ef7 */
546 0x15, 0xfc /* 0x1ef8-0x1ef9 */
547#define FROM_IDX_END (FROM_IDX_05 + 90)
548 };
549/* Compile-time verification of table size. */
550typedef int verify2[(NELEMS (from_ucs4) == FROM_IDX_END) - 1];
551
552/* Decomposition table for the relevant Unicode characters. */
553static const struct
554{
555 uint16_t composed;
556 uint32_t base:8;
557 uint32_t comb1:8;
558} decomp_table[] =
559 {
560 { 0x00d1, 0x4e, 0xb2 },
561 { 0x00f1, 0x6e, 0xb2 },
562 { 0x0106, 0x43, 0xb3 },
563 { 0x0107, 0x63, 0xb3 },
564 { 0x0139, 0x4c, 0xb3 },
565 { 0x013a, 0x6c, 0xb3 },
566 { 0x0143, 0x4e, 0xb3 },
567 { 0x0144, 0x6e, 0xb3 },
568 { 0x0154, 0x52, 0xb3 },
569 { 0x0155, 0x72, 0xb3 },
570 { 0x015a, 0x53, 0xb3 },
571 { 0x015b, 0x73, 0xb3 },
572 { 0x0179, 0x5a, 0xb3 },
573 { 0x017a, 0x7a, 0xb3 },
574 { 0x01f4, 0x47, 0xb3 },
575 { 0x01f5, 0x67, 0xb3 },
576 { 0x01f8, 0x4e, 0xb0 },
577 { 0x01f9, 0x6e, 0xb0 },
578 { 0x1e04, 0x42, 0xb4 },
579 { 0x1e05, 0x62, 0xb4 },
580 { 0x1e0c, 0x44, 0xb4 },
581 { 0x1e0d, 0x64, 0xb4 },
582 { 0x1e24, 0x48, 0xb4 },
583 { 0x1e25, 0x68, 0xb4 },
584 { 0x1e30, 0x4b, 0xb3 },
585 { 0x1e31, 0x6b, 0xb3 },
586 { 0x1e32, 0x4b, 0xb4 },
587 { 0x1e33, 0x6b, 0xb4 },
588 { 0x1e36, 0x4c, 0xb4 },
589 { 0x1e37, 0x6c, 0xb4 },
590 { 0x1e3e, 0x4d, 0xb3 },
591 { 0x1e3f, 0x6d, 0xb3 },
592 { 0x1e42, 0x4d, 0xb4 },
593 { 0x1e43, 0x6d, 0xb4 },
594 { 0x1e46, 0x4e, 0xb4 },
595 { 0x1e47, 0x6e, 0xb4 },
596 { 0x1e54, 0x50, 0xb3 },
597 { 0x1e55, 0x70, 0xb3 },
598 { 0x1e5a, 0x52, 0xb4 },
599 { 0x1e5b, 0x72, 0xb4 },
600 { 0x1e62, 0x53, 0xb4 },
601 { 0x1e63, 0x73, 0xb4 },
602 { 0x1e6c, 0x54, 0xb4 },
603 { 0x1e6d, 0x74, 0xb4 },
604 { 0x1e7c, 0x56, 0xb2 },
605 { 0x1e7d, 0x76, 0xb2 },
606 { 0x1e7e, 0x56, 0xb4 },
607 { 0x1e7f, 0x76, 0xb4 },
608 { 0x1e80, 0x57, 0xb0 },
609 { 0x1e81, 0x77, 0xb0 },
610 { 0x1e82, 0x57, 0xb3 },
611 { 0x1e83, 0x77, 0xb3 },
612 { 0x1e88, 0x57, 0xb4 },
613 { 0x1e89, 0x77, 0xb4 },
614 { 0x1e92, 0x5a, 0xb4 },
615 { 0x1e93, 0x7a, 0xb4 },
616 };
617
618
619/* Next, define the other direction. */
620#define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
621#define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
622#define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
623#define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
624#define LOOPFCT TO_LOOP
625#define BODY \
626 { \
627 uint32_t ch = get32 (inptr); \
628 \
629 if (ch == 0x00 || (ch >= 0x18 && ch < 0x80) || ch == 0xa0) \
630 { \
631 *outptr++ = ch; \
632 inptr += 4; \
633 } \
634 else \
635 { \
636 unsigned char res; \
637 \
638 if (ch <= 0x0010) \
639 res = from_ucs4[ch - 0x0001 + FROM_IDX_00]; \
640 else if (ch >= 0x00c0 && ch <= 0x0129) \
641 res = from_ucs4[ch - 0x00c0 + FROM_IDX_01]; \
642 else if (ch >= 0x0168 && ch <= 0x0169) \
643 res = from_ucs4[ch - 0x0168 + FROM_IDX_02]; \
644 else if (ch >= 0x01a0 && ch <= 0x01b0) \
645 res = from_ucs4[ch - 0x01a0 + FROM_IDX_03]; \
646 else if (ch >= 0x0300 && ch <= 0x0323) \
647 res = from_ucs4[ch - 0x0300 + FROM_IDX_04]; \
648 else if (ch >= 0x1ea0 && ch <= 0x1ef9) \
649 res = from_ucs4[ch - 0x1ea0 + FROM_IDX_05]; \
650 else \
651 { \
652 UNICODE_TAG_HANDLER (ch, 4); \
653 res = 0; \
654 } \
655 \
656 if (__glibc_likely (res != 0)) \
657 { \
658 *outptr++ = res; \
659 inptr += 4; \
660 } \
661 else \
662 { \
663 /* Try canonical decomposition. */ \
664 unsigned int i1; \
665 unsigned int i2; \
666 \
667 i1 = 0; \
668 i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1; \
669 if (ch >= decomp_table[i1].composed \
670 && ch <= decomp_table[i2].composed) \
671 { \
672 unsigned int i; \
673 \
674 for (;;) \
675 { \
676 i = (i1 + i2) >> 1; \
677 if (ch == decomp_table[i].composed) \
678 break; \
679 if (ch < decomp_table[i].composed) \
680 { \
681 if (i1 == i) \
682 goto failed; \
683 i2 = i; \
684 } \
685 else \
686 { \
687 if (i1 != i) \
688 i1 = i; \
689 else \
690 { \
691 i = i2; \
692 if (ch == decomp_table[i].composed) \
693 break; \
694 goto failed; \
695 } \
696 } \
697 } \
698 \
699 /* See whether we have room for two bytes. */ \
700 if (__glibc_unlikely (outptr + 1 >= outend)) \
701 { \
702 result = __GCONV_FULL_OUTPUT; \
703 break; \
704 } \
705 \
706 /* Found a canonical decomposition. */ \
707 *outptr++ = decomp_table[i].base; \
708 *outptr++ = decomp_table[i].comb1; \
709 inptr += 4; \
710 continue; \
711 } \
712 \
713 failed: \
714 /* This is an illegal character. */ \
715 STANDARD_TO_LOOP_ERR_HANDLER (4); \
716 } \
717 } \
718 }
719#define LOOP_NEED_FLAGS
720#define EXTRA_LOOP_DECLS , int *statep
721#include <iconv/loop.c>
722
723
724/* Now define the toplevel functions. */
725#include <iconv/skeleton.c>
726