1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
|
/* Conversion from and to CP1255.
Copyright (C) 1998-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdint.h>
#include <assert.h>
#define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "CP1255//"
#define FROM_LOOP from_cp1255
#define TO_LOOP to_cp1255
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define ONE_DIRECTION 0
#define FROM_LOOP_MIN_NEEDED_FROM 1
#define FROM_LOOP_MAX_NEEDED_FROM 1
#define FROM_LOOP_MIN_NEEDED_TO 4
#define FROM_LOOP_MAX_NEEDED_TO 4
#define TO_LOOP_MIN_NEEDED_FROM 4
#define TO_LOOP_MAX_NEEDED_FROM 4
#define TO_LOOP_MIN_NEEDED_TO 1
#define TO_LOOP_MAX_NEEDED_TO 3
#define PREPARE_LOOP \
int saved_state; \
int *statep = &data->__statep->__count;
#define EXTRA_LOOP_ARGS , statep
/* Since we might have to reset input pointer we must be able to save
and restore the state. */
#define SAVE_RESET_STATE(Save) \
if (Save) \
saved_state = *statep; \
else \
*statep = saved_state
/* During CP1255 to UCS4 conversion, the COUNT element of the state
contains the last UCS4 character, shifted by 3 bits. */
/* Since this is a stateful encoding we have to provide code which resets
the output state to the initial state. This has to be done during the
flushing. */
#define EMIT_SHIFT_TO_INIT \
if (data->__statep->__count != 0) \
{ \
if (FROM_DIRECTION) \
{ \
if (__glibc_likely (outbuf + 4 <= outend)) \
{ \
/* Write out the last character. */ \
*((uint32_t *) outbuf) = data->__statep->__count >> 3; \
outbuf += sizeof (uint32_t); \
data->__statep->__count = 0; \
} \
else \
/* We don't have enough room in the output buffer. */ \
status = __GCONV_FULL_OUTPUT; \
} \
else \
/* We don't use shift states in the TO_DIRECTION. */ \
data->__statep->__count = 0; \
}
/* First define the conversion function from CP1255 to UCS4. */
static const uint16_t to_ucs4[128] = {
/* 0x80 */
0x20AC, 0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
0x02C6, 0x2030, 0, 0x2039, 0, 0, 0, 0,
/* 0x90 */
0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
0x02DC, 0x2122, 0, 0x203A, 0, 0, 0, 0,
/* 0xA0 */
0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
/* 0xB0 */
0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
/* 0xC0 */
0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
0x05B8, 0x05B9, 0, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
/* 0xD0 */
0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
0x05F4, 0, 0, 0, 0, 0, 0, 0,
/* 0xE0 */
0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
/* 0xF0 */
0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
0x05E8, 0x05E9, 0x05EA, 0, 0, 0x200E, 0x200F, 0,
};
/* CP1255 contains eight combining characters:
0x05b4, 0x05b7, 0x05b8, 0x05b9, 0x05bc, 0x05bf, 0x05c1, 0x05c2. */
/* Composition tables for each of the relevant combining characters. */
static const struct {
uint16_t base;
uint16_t composed;
} comp_table_data[] = {
#define COMP_TABLE_IDX_05B4 0
#define COMP_TABLE_LEN_05B4 1
{ 0x05D9, 0xFB1D },
#define COMP_TABLE_IDX_05B7 (COMP_TABLE_IDX_05B4 + COMP_TABLE_LEN_05B4)
#define COMP_TABLE_LEN_05B7 2
{ 0x05D0, 0xFB2E },
{ 0x05F2, 0xFB1F },
#define COMP_TABLE_IDX_05B8 (COMP_TABLE_IDX_05B7 + COMP_TABLE_LEN_05B7)
#define COMP_TABLE_LEN_05B8 1
{ 0x05D0, 0xFB2F },
#define COMP_TABLE_IDX_05B9 (COMP_TABLE_IDX_05B8 + COMP_TABLE_LEN_05B8)
#define COMP_TABLE_LEN_05B9 1
{ 0x05D5, 0xFB4B },
#define COMP_TABLE_IDX_05BC (COMP_TABLE_IDX_05B9 + COMP_TABLE_LEN_05B9)
#define COMP_TABLE_LEN_05BC 24
{ 0x05D0, 0xFB30 },
{ 0x05D1, 0xFB31 },
{ 0x05D2, 0xFB32 },
{ 0x05D3, 0xFB33 },
{ 0x05D4, 0xFB34 },
{ 0x05D5, 0xFB35 },
{ 0x05D6, 0xFB36 },
{ 0x05D8, 0xFB38 },
{ 0x05D9, 0xFB39 },
{ 0x05DA, 0xFB3A },
{ 0x05DB, 0xFB3B },
{ 0x05DC, 0xFB3C },
{ 0x05DE, 0xFB3E },
{ 0x05E0, 0xFB40 },
{ 0x05E1, 0xFB41 },
{ 0x05E3, 0xFB43 },
{ 0x05E4, 0xFB44 },
{ 0x05E6, 0xFB46 },
{ 0x05E7, 0xFB47 },
{ 0x05E8, 0xFB48 },
{ 0x05E9, 0xFB49 },
{ 0x05EA, 0xFB4A },
{ 0xFB2A, 0xFB2C },
{ 0xFB2B, 0xFB2D },
#define COMP_TABLE_IDX_05BF (COMP_TABLE_IDX_05BC + COMP_TABLE_LEN_05BC)
#define COMP_TABLE_LEN_05BF 3
{ 0x05D1, 0xFB4C },
{ 0x05DB, 0xFB4D },
{ 0x05E4, 0xFB4E },
#define COMP_TABLE_IDX_05C1 (COMP_TABLE_IDX_05BF + COMP_TABLE_LEN_05BF)
#define COMP_TABLE_LEN_05C1 2
{ 0x05E9, 0xFB2A },
{ 0xFB49, 0xFB2C },
#define COMP_TABLE_IDX_05C2 (COMP_TABLE_IDX_05C1 + COMP_TABLE_LEN_05C1)
#define COMP_TABLE_LEN_05C2 2
{ 0x05E9, 0xFB2B },
{ 0xFB49, 0xFB2D },
#define COMP_TABLE_IDX_END (COMP_TABLE_IDX_05C2 + COMP_TABLE_LEN_05C2)
};
/* Compile-time verification of table size. */
typedef int verify1[(NELEMS (comp_table_data) == COMP_TABLE_IDX_END) - 1];
static const struct { unsigned int idx; unsigned int len; } comp_table[8] = {
{ COMP_TABLE_IDX_05B4, COMP_TABLE_LEN_05B4 },
{ COMP_TABLE_IDX_05B7, COMP_TABLE_LEN_05B7 },
{ COMP_TABLE_IDX_05B8, COMP_TABLE_LEN_05B8 },
{ COMP_TABLE_IDX_05B9, COMP_TABLE_LEN_05B9 },
{ COMP_TABLE_IDX_05BC, COMP_TABLE_LEN_05BC },
{ COMP_TABLE_IDX_05BF, COMP_TABLE_LEN_05BF },
{ COMP_TABLE_IDX_05C1, COMP_TABLE_LEN_05C1 },
{ COMP_TABLE_IDX_05C2, COMP_TABLE_LEN_05C2 },
};
#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
uint32_t ch = *inptr; \
uint32_t last_ch; \
int must_buffer_ch; \
\
if (ch >= 0x80) \
{ \
ch = to_ucs4[ch - 0x80]; \
if (__glibc_unlikely (ch == L'\0')) \
{ \
/* This is an illegal character. */ \
STANDARD_FROM_LOOP_ERR_HANDLER (1); \
} \
} \
\
/* Determine whether there is a buffered character pending. */ \
last_ch = *statep >> 3; \
\
/* We have to buffer ch if it is a possible match in comp_table_data. */ \
must_buffer_ch = (ch >= 0x05d0 && ch <= 0x05f2); \
\
if (last_ch) \
{ \
if (ch >= 0x05b0 && ch < 0x05c5) \
{ \
/* See whether last_ch and ch can be combined. */ \
unsigned int i, i1, i2; \
\
switch (ch) \
{ \
case 0x05b4: \
i = 0; \
break; \
case 0x05b7: \
i = 1; \
break; \
case 0x05b8: \
i = 2; \
break; \
case 0x05b9: \
i = 3; \
break; \
case 0x05bc: \
i = 4; \
break; \
case 0x05bf: \
i = 5; \
break; \
case 0x05c1: \
i = 6; \
break; \
case 0x05c2: \
i = 7; \
break; \
default: \
goto not_combining; \
} \
\
i1 = comp_table[i].idx; \
i2 = i1 + comp_table[i].len - 1; \
\
if (last_ch >= comp_table_data[i1].base \
&& last_ch <= comp_table_data[i2].base) \
{ \
for (;;) \
{ \
i = (i1 + i2) >> 1; \
if (last_ch == comp_table_data[i].base) \
break; \
if (last_ch < comp_table_data[i].base) \
{ \
if (i1 == i) \
goto not_combining; \
i2 = i; \
} \
else \
{ \
if (i1 != i) \
i1 = i; \
else \
{ \
i = i2; \
if (last_ch == comp_table_data[i].base) \
break; \
goto not_combining; \
} \
} \
} \
last_ch = comp_table_data[i].composed; \
if (last_ch == 0xfb2a || last_ch == 0xfb2b \
|| last_ch == 0xfb49) \
/* Buffer the combined character. */ \
*statep = last_ch << 3; \
else \
{ \
/* Output the combined character. */ \
put32 (outptr, last_ch); \
outptr += 4; \
*statep = 0; \
} \
++inptr; \
continue; \
} \
} \
\
not_combining: \
/* Output the buffered character. */ \
put32 (outptr, last_ch); \
outptr += 4; \
*statep = 0; \
\
/* If we don't have enough room to output ch as well, then deal \
with it in another round. */ \
if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0)) \
continue; \
} \
\
if (must_buffer_ch) \
*statep = ch << 3; \
else \
{ \
put32 (outptr, ch); \
outptr += 4; \
} \
++inptr; \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , int *statep
#define ONEBYTE_BODY \
{ \
if (c < 0x80) \
return c; \
uint32_t ch = to_ucs4[c - 0x80]; \
if (ch == L'\0' || (ch >= 0x05d0 && ch <= 0x05f2)) \
return WEOF; \
return ch; \
}
#include <iconv/loop.c>
/* Next, define the conversion function from UCS4 to CP1255. */
static const unsigned char from_ucs4[] = {
#define FROM_IDX_00 0
0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0xa6, 0xa7, /* 0x00a0-0x00a7 */
0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x00a8-0x00af */
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x00b0-0x00b7 */
0xb8, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x00b8-0x00bf */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00c7 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c8-0x00cf */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, /* 0x00d0-0x00d7 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00d8-0x00df */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e0-0x00e7 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e8-0x00ef */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0x00f0-0x00f7 */
#define FROM_IDX_02 (FROM_IDX_00 + 88)
0x88, 0x00, /* 0x02c6-0x02c7 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c8-0x02cf */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02d0-0x02d7 */
0x00, 0x00, 0x00, 0x00, 0x98, /* 0x02d8-0x02dc */
#define FROM_IDX_05 (FROM_IDX_02 + 23)
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x05b0-0x05b7 */
0xc8, 0xc9, 0x00, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x05b8-0x05bf */
0xd0, 0xd1, 0xd2, 0xd3, 0x00, 0x00, 0x00, 0x00, /* 0x05c0-0x05c7 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05c8-0x05cf */
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x05d0-0x05d7 */
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x05d8-0x05df */
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x05e0-0x05e7 */
0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05e8-0x05ef */
0xd4, 0xd5, 0xd6, 0xd7, 0xd8, /* 0x05f0-0x05f4 */
#define FROM_IDX_20 (FROM_IDX_05 + 69)
0xfd, 0xfe, /* 0x200e-0x200f */
0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x2010-0x2017 */
0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x2018-0x201f */
0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x2020-0x2027 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2028-0x202f */
0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2030-0x2037 */
0x00, 0x8b, 0x9b, /* 0x2038-0x203a */
#define FROM_IDX_FF (FROM_IDX_20 + 45)
};
/* Compile-time verification of table size. */
typedef int verify2[(NELEMS (from_ucs4) == FROM_IDX_FF) - 1];
static const unsigned char comb_table[8] = {
0xc4, 0xc7, 0xc8, 0xc9, 0xcc, 0xcf, 0xd1, 0xd2,
};
/* Decomposition table for the relevant Unicode characters. */
static const struct {
uint16_t composed;
uint16_t base;
uint32_t comb1 : 8;
int32_t comb2 : 8;
} decomp_table[] = {
{ 0xFB1D, 0x05D9, 0, -1 },
{ 0xFB1F, 0x05F2, 1, -1 },
{ 0xFB2A, 0x05E9, 6, -1 },
{ 0xFB2B, 0x05E9, 7, -1 },
{ 0xFB2C, 0x05E9, 4, 6 },
{ 0xFB2D, 0x05E9, 4, 7 },
{ 0xFB2E, 0x05D0, 1, -1 },
{ 0xFB2F, 0x05D0, 2, -1 },
{ 0xFB30, 0x05D0, 4, -1 },
{ 0xFB31, 0x05D1, 4, -1 },
{ 0xFB32, 0x05D2, 4, -1 },
{ 0xFB33, 0x05D3, 4, -1 },
{ 0xFB34, 0x05D4, 4, -1 },
{ 0xFB35, 0x05D5, 4, -1 },
{ 0xFB36, 0x05D6, 4, -1 },
{ 0xFB38, 0x05D8, 4, -1 },
{ 0xFB39, 0x05D9, 4, -1 },
{ 0xFB3A, 0x05DA, 4, -1 },
{ 0xFB3B, 0x05DB, 4, -1 },
{ 0xFB3C, 0x05DC, 4, -1 },
{ 0xFB3E, 0x05DE, 4, -1 },
{ 0xFB40, 0x05E0, 4, -1 },
{ 0xFB41, 0x05E1, 4, -1 },
{ 0xFB43, 0x05E3, 4, -1 },
{ 0xFB44, 0x05E4, 4, -1 },
{ 0xFB46, 0x05E6, 4, -1 },
{ 0xFB47, 0x05E7, 4, -1 },
{ 0xFB48, 0x05E8, 4, -1 },
{ 0xFB49, 0x05E9, 4, -1 },
{ 0xFB4A, 0x05EA, 4, -1 },
{ 0xFB4B, 0x05D5, 3, -1 },
{ 0xFB4C, 0x05D1, 5, -1 },
{ 0xFB4D, 0x05DB, 5, -1 },
{ 0xFB4E, 0x05E4, 5, -1 },
};
#define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
#define LOOPFCT TO_LOOP
#define BODY \
{ \
uint32_t ch = get32 (inptr); \
\
if (ch < 0x0080) \
{ \
*outptr++ = ch; \
inptr += 4; \
} \
else \
{ \
unsigned char res; \
\
if (ch >= 0x00a0 && ch < 0x00f8) \
res = from_ucs4[ch - 0x00a0 + FROM_IDX_00]; \
else if (ch == 0x0192) \
res = 0x83; \
else if (ch >= 0x02c6 && ch < 0x02dd) \
res = from_ucs4[ch - 0x02c6 + FROM_IDX_02]; \
else if (ch >= 0x05b0 && ch < 0x05f5) \
res = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
else if (ch >= 0x200e && ch < 0x203b) \
res = from_ucs4[ch - 0x200e + FROM_IDX_20]; \
else if (ch == 0x20aa) \
res = 0xa4; \
else if (ch == 0x20ac) \
res = 0x80; \
else if (ch == 0x2122) \
res = 0x99; \
else \
{ \
UNICODE_TAG_HANDLER (ch, 4); \
res = 0; \
} \
\
if (__glibc_likely (res != 0)) \
{ \
*outptr++ = res; \
inptr += 4; \
} \
else \
{ \
/* Try canonical decomposition. */ \
unsigned int i1, i2; \
\
i1 = 0; \
i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1; \
if (ch >= decomp_table[i1].composed \
&& ch <= decomp_table[i2].composed) \
{ \
unsigned int i; \
\
for (;;) \
{ \
i = (i1 + i2) >> 1; \
if (ch == decomp_table[i].composed) \
break; \
if (ch < decomp_table[i].composed) \
{ \
if (i1 == i) \
goto failed; \
i2 = i; \
} \
else \
{ \
if (i1 != i) \
i1 = i; \
else \
{ \
i = i2; \
if (ch == decomp_table[i].composed) \
break; \
goto failed; \
} \
} \
} \
\
/* Found a canonical decomposition. */ \
ch = decomp_table[i].base; \
/* ch is one of 0x05d0..0x05d6, 0x05d8..0x05dc, 0x05de, \
0x05e0..0x05e1, 0x05e3..0x05e4, 0x05e6..0x05ea, 0x05f2. */ \
ch = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
assert (ch != 0); \
\
if (decomp_table[i].comb2 < 0) \
{ \
/* See whether we have room for two bytes. */ \
if (__glibc_unlikely (outptr + 1 >= outend)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*outptr++ = (unsigned char) ch; \
*outptr++ = comb_table[decomp_table[i].comb1]; \
} \
else \
{ \
/* See whether we have room for three bytes. */ \
if (__glibc_unlikely (outptr + 2 >= outend)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*outptr++ = (unsigned char) ch; \
*outptr++ = comb_table[decomp_table[i].comb1]; \
*outptr++ = comb_table[decomp_table[i].comb2]; \
} \
\
inptr += 4; \
continue; \
} \
\
failed: \
/* This is an illegal character. */ \
STANDARD_TO_LOOP_ERR_HANDLER (4); \
} \
} \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , int *statep
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>
|
