1 /* Conversion from and to CP1255.
2 Copyright (C) 1998-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <dlfcn.h>
20 #include <stdint.h>
21 #include <assert.h>
22
23 #define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))
24
25 /* Definitions used in the body of the `gconv' function. */
26 #define CHARSET_NAME "CP1255//"
27 #define FROM_LOOP from_cp1255
28 #define TO_LOOP to_cp1255
29 #define DEFINE_INIT 1
30 #define DEFINE_FINI 1
31 #define ONE_DIRECTION 0
32 #define FROM_LOOP_MIN_NEEDED_FROM 1
33 #define FROM_LOOP_MAX_NEEDED_FROM 1
34 #define FROM_LOOP_MIN_NEEDED_TO 4
35 #define FROM_LOOP_MAX_NEEDED_TO 4
36 #define TO_LOOP_MIN_NEEDED_FROM 4
37 #define TO_LOOP_MAX_NEEDED_FROM 4
38 #define TO_LOOP_MIN_NEEDED_TO 1
39 #define TO_LOOP_MAX_NEEDED_TO 3
40 #define PREPARE_LOOP \
41 int saved_state; \
42 int *statep = &data->__statep->__count;
43 #define EXTRA_LOOP_ARGS , statep
44
45
46 /* Since we might have to reset input pointer we must be able to save
47 and restore the state. */
48 #define SAVE_RESET_STATE(Save) \
49 if (Save) \
50 saved_state = *statep; \
51 else \
52 *statep = saved_state
53
54
55 /* During CP1255 to UCS4 conversion, the COUNT element of the state
56 contains the last UCS4 character, shifted by 3 bits. */
57
58
59 /* Since this is a stateful encoding we have to provide code which resets
60 the output state to the initial state. This has to be done during the
61 flushing. */
62 #define EMIT_SHIFT_TO_INIT \
63 if (data->__statep->__count != 0) \
64 { \
65 if (FROM_DIRECTION) \
66 { \
67 if (__glibc_likely (outbuf + 4 <= outend)) \
68 { \
69 /* Write out the last character. */ \
70 *((uint32_t *) outbuf) = data->__statep->__count >> 3; \
71 outbuf += sizeof (uint32_t); \
72 data->__statep->__count = 0; \
73 } \
74 else \
75 /* We don't have enough room in the output buffer. */ \
76 status = __GCONV_FULL_OUTPUT; \
77 } \
78 else \
79 /* We don't use shift states in the TO_DIRECTION. */ \
80 data->__statep->__count = 0; \
81 }
82
83
84 /* First define the conversion function from CP1255 to UCS4. */
85
86 static const uint16_t to_ucs4[128] = {
87 /* 0x80 */
88 0x20AC, 0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
89 0x02C6, 0x2030, 0, 0x2039, 0, 0, 0, 0,
90 /* 0x90 */
91 0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
92 0x02DC, 0x2122, 0, 0x203A, 0, 0, 0, 0,
93 /* 0xA0 */
94 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
95 0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
96 /* 0xB0 */
97 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
98 0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
99 /* 0xC0 */
100 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
101 0x05B8, 0x05B9, 0, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
102 /* 0xD0 */
103 0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
104 0x05F4, 0, 0, 0, 0, 0, 0, 0,
105 /* 0xE0 */
106 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
107 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
108 /* 0xF0 */
109 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
110 0x05E8, 0x05E9, 0x05EA, 0, 0, 0x200E, 0x200F, 0,
111 };
112
113 /* CP1255 contains eight combining characters:
114 0x05b4, 0x05b7, 0x05b8, 0x05b9, 0x05bc, 0x05bf, 0x05c1, 0x05c2. */
115
116 /* Composition tables for each of the relevant combining characters. */
117 static const struct {
118 uint16_t base;
119 uint16_t composed;
120 } comp_table_data[] = {
121 #define COMP_TABLE_IDX_05B4 0
122 #define COMP_TABLE_LEN_05B4 1
123 { 0x05D9, 0xFB1D },
124 #define COMP_TABLE_IDX_05B7 (COMP_TABLE_IDX_05B4 + COMP_TABLE_LEN_05B4)
125 #define COMP_TABLE_LEN_05B7 2
126 { 0x05D0, 0xFB2E },
127 { 0x05F2, 0xFB1F },
128 #define COMP_TABLE_IDX_05B8 (COMP_TABLE_IDX_05B7 + COMP_TABLE_LEN_05B7)
129 #define COMP_TABLE_LEN_05B8 1
130 { 0x05D0, 0xFB2F },
131 #define COMP_TABLE_IDX_05B9 (COMP_TABLE_IDX_05B8 + COMP_TABLE_LEN_05B8)
132 #define COMP_TABLE_LEN_05B9 1
133 { 0x05D5, 0xFB4B },
134 #define COMP_TABLE_IDX_05BC (COMP_TABLE_IDX_05B9 + COMP_TABLE_LEN_05B9)
135 #define COMP_TABLE_LEN_05BC 24
136 { 0x05D0, 0xFB30 },
137 { 0x05D1, 0xFB31 },
138 { 0x05D2, 0xFB32 },
139 { 0x05D3, 0xFB33 },
140 { 0x05D4, 0xFB34 },
141 { 0x05D5, 0xFB35 },
142 { 0x05D6, 0xFB36 },
143 { 0x05D8, 0xFB38 },
144 { 0x05D9, 0xFB39 },
145 { 0x05DA, 0xFB3A },
146 { 0x05DB, 0xFB3B },
147 { 0x05DC, 0xFB3C },
148 { 0x05DE, 0xFB3E },
149 { 0x05E0, 0xFB40 },
150 { 0x05E1, 0xFB41 },
151 { 0x05E3, 0xFB43 },
152 { 0x05E4, 0xFB44 },
153 { 0x05E6, 0xFB46 },
154 { 0x05E7, 0xFB47 },
155 { 0x05E8, 0xFB48 },
156 { 0x05E9, 0xFB49 },
157 { 0x05EA, 0xFB4A },
158 { 0xFB2A, 0xFB2C },
159 { 0xFB2B, 0xFB2D },
160 #define COMP_TABLE_IDX_05BF (COMP_TABLE_IDX_05BC + COMP_TABLE_LEN_05BC)
161 #define COMP_TABLE_LEN_05BF 3
162 { 0x05D1, 0xFB4C },
163 { 0x05DB, 0xFB4D },
164 { 0x05E4, 0xFB4E },
165 #define COMP_TABLE_IDX_05C1 (COMP_TABLE_IDX_05BF + COMP_TABLE_LEN_05BF)
166 #define COMP_TABLE_LEN_05C1 2
167 { 0x05E9, 0xFB2A },
168 { 0xFB49, 0xFB2C },
169 #define COMP_TABLE_IDX_05C2 (COMP_TABLE_IDX_05C1 + COMP_TABLE_LEN_05C1)
170 #define COMP_TABLE_LEN_05C2 2
171 { 0x05E9, 0xFB2B },
172 { 0xFB49, 0xFB2D },
173 #define COMP_TABLE_IDX_END (COMP_TABLE_IDX_05C2 + COMP_TABLE_LEN_05C2)
174 };
175 /* Compile-time verification of table size. */
176 typedef int verify1[(NELEMS (comp_table_data) == COMP_TABLE_IDX_END) - 1];
177
178 static const struct { unsigned int idx; unsigned int len; } comp_table[8] = {
179 { COMP_TABLE_IDX_05B4, COMP_TABLE_LEN_05B4 },
180 { COMP_TABLE_IDX_05B7, COMP_TABLE_LEN_05B7 },
181 { COMP_TABLE_IDX_05B8, COMP_TABLE_LEN_05B8 },
182 { COMP_TABLE_IDX_05B9, COMP_TABLE_LEN_05B9 },
183 { COMP_TABLE_IDX_05BC, COMP_TABLE_LEN_05BC },
184 { COMP_TABLE_IDX_05BF, COMP_TABLE_LEN_05BF },
185 { COMP_TABLE_IDX_05C1, COMP_TABLE_LEN_05C1 },
186 { COMP_TABLE_IDX_05C2, COMP_TABLE_LEN_05C2 },
187 };
188
189 #define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
190 #define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
191 #define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
192 #define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
193 #define LOOPFCT FROM_LOOP
194 #define BODY \
195 { \
196 uint32_t ch = *inptr; \
197 uint32_t last_ch; \
198 int must_buffer_ch; \
199 \
200 if (ch >= 0x80) \
201 { \
202 ch = to_ucs4[ch - 0x80]; \
203 if (__glibc_unlikely (ch == L'\0')) \
204 { \
205 /* This is an illegal character. */ \
206 STANDARD_FROM_LOOP_ERR_HANDLER (1); \
207 } \
208 } \
209 \
210 /* Determine whether there is a buffered character pending. */ \
211 last_ch = *statep >> 3; \
212 \
213 /* We have to buffer ch if it is a possible match in comp_table_data. */ \
214 must_buffer_ch = (ch >= 0x05d0 && ch <= 0x05f2); \
215 \
216 if (last_ch) \
217 { \
218 if (ch >= 0x05b0 && ch < 0x05c5) \
219 { \
220 /* See whether last_ch and ch can be combined. */ \
221 unsigned int i, i1, i2; \
222 \
223 switch (ch) \
224 { \
225 case 0x05b4: \
226 i = 0; \
227 break; \
228 case 0x05b7: \
229 i = 1; \
230 break; \
231 case 0x05b8: \
232 i = 2; \
233 break; \
234 case 0x05b9: \
235 i = 3; \
236 break; \
237 case 0x05bc: \
238 i = 4; \
239 break; \
240 case 0x05bf: \
241 i = 5; \
242 break; \
243 case 0x05c1: \
244 i = 6; \
245 break; \
246 case 0x05c2: \
247 i = 7; \
248 break; \
249 default: \
250 goto not_combining; \
251 } \
252 \
253 i1 = comp_table[i].idx; \
254 i2 = i1 + comp_table[i].len - 1; \
255 \
256 if (last_ch >= comp_table_data[i1].base \
257 && last_ch <= comp_table_data[i2].base) \
258 { \
259 for (;;) \
260 { \
261 i = (i1 + i2) >> 1; \
262 if (last_ch == comp_table_data[i].base) \
263 break; \
264 if (last_ch < comp_table_data[i].base) \
265 { \
266 if (i1 == i) \
267 goto not_combining; \
268 i2 = i; \
269 } \
270 else \
271 { \
272 if (i1 != i) \
273 i1 = i; \
274 else \
275 { \
276 i = i2; \
277 if (last_ch == comp_table_data[i].base) \
278 break; \
279 goto not_combining; \
280 } \
281 } \
282 } \
283 last_ch = comp_table_data[i].composed; \
284 if (last_ch == 0xfb2a || last_ch == 0xfb2b \
285 || last_ch == 0xfb49) \
286 /* Buffer the combined character. */ \
287 *statep = last_ch << 3; \
288 else \
289 { \
290 /* Output the combined character. */ \
291 put32 (outptr, last_ch); \
292 outptr += 4; \
293 *statep = 0; \
294 } \
295 ++inptr; \
296 continue; \
297 } \
298 } \
299 \
300 not_combining: \
301 /* Output the buffered character. */ \
302 put32 (outptr, last_ch); \
303 outptr += 4; \
304 *statep = 0; \
305 \
306 /* If we don't have enough room to output ch as well, then deal \
307 with it in another round. */ \
308 if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0)) \
309 continue; \
310 } \
311 \
312 if (must_buffer_ch) \
313 *statep = ch << 3; \
314 else \
315 { \
316 put32 (outptr, ch); \
317 outptr += 4; \
318 } \
319 ++inptr; \
320 }
321 #define LOOP_NEED_FLAGS
322 #define EXTRA_LOOP_DECLS , int *statep
323 #define ONEBYTE_BODY \
324 { \
325 if (c < 0x80) \
326 return c; \
327 uint32_t ch = to_ucs4[c - 0x80]; \
328 if (ch == L'\0' || (ch >= 0x05d0 && ch <= 0x05f2)) \
329 return WEOF; \
330 return ch; \
331 }
332 #include <iconv/loop.c>
333
334
335 /* Next, define the conversion function from UCS4 to CP1255. */
336
337 static const unsigned char from_ucs4[] = {
338 #define FROM_IDX_00 0
339 0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0xa6, 0xa7, /* 0x00a0-0x00a7 */
340 0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x00a8-0x00af */
341 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x00b0-0x00b7 */
342 0xb8, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x00b8-0x00bf */
343 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00c7 */
344 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c8-0x00cf */
345 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, /* 0x00d0-0x00d7 */
346 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00d8-0x00df */
347 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e0-0x00e7 */
348 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e8-0x00ef */
349 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0x00f0-0x00f7 */
350 #define FROM_IDX_02 (FROM_IDX_00 + 88)
351 0x88, 0x00, /* 0x02c6-0x02c7 */
352 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c8-0x02cf */
353 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02d0-0x02d7 */
354 0x00, 0x00, 0x00, 0x00, 0x98, /* 0x02d8-0x02dc */
355 #define FROM_IDX_05 (FROM_IDX_02 + 23)
356 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x05b0-0x05b7 */
357 0xc8, 0xc9, 0x00, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x05b8-0x05bf */
358 0xd0, 0xd1, 0xd2, 0xd3, 0x00, 0x00, 0x00, 0x00, /* 0x05c0-0x05c7 */
359 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05c8-0x05cf */
360 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x05d0-0x05d7 */
361 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x05d8-0x05df */
362 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x05e0-0x05e7 */
363 0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05e8-0x05ef */
364 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, /* 0x05f0-0x05f4 */
365 #define FROM_IDX_20 (FROM_IDX_05 + 69)
366 0xfd, 0xfe, /* 0x200e-0x200f */
367 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x2010-0x2017 */
368 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x2018-0x201f */
369 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x2020-0x2027 */
370 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2028-0x202f */
371 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2030-0x2037 */
372 0x00, 0x8b, 0x9b, /* 0x2038-0x203a */
373 #define FROM_IDX_FF (FROM_IDX_20 + 45)
374 };
375 /* Compile-time verification of table size. */
376 typedef int verify2[(NELEMS (from_ucs4) == FROM_IDX_FF) - 1];
377
378 static const unsigned char comb_table[8] = {
379 0xc4, 0xc7, 0xc8, 0xc9, 0xcc, 0xcf, 0xd1, 0xd2,
380 };
381
382 /* Decomposition table for the relevant Unicode characters. */
383 static const struct {
384 uint16_t composed;
385 uint16_t base;
386 uint32_t comb1 : 8;
387 int32_t comb2 : 8;
388 } decomp_table[] = {
389 { 0xFB1D, 0x05D9, 0, -1 },
390 { 0xFB1F, 0x05F2, 1, -1 },
391 { 0xFB2A, 0x05E9, 6, -1 },
392 { 0xFB2B, 0x05E9, 7, -1 },
393 { 0xFB2C, 0x05E9, 4, 6 },
394 { 0xFB2D, 0x05E9, 4, 7 },
395 { 0xFB2E, 0x05D0, 1, -1 },
396 { 0xFB2F, 0x05D0, 2, -1 },
397 { 0xFB30, 0x05D0, 4, -1 },
398 { 0xFB31, 0x05D1, 4, -1 },
399 { 0xFB32, 0x05D2, 4, -1 },
400 { 0xFB33, 0x05D3, 4, -1 },
401 { 0xFB34, 0x05D4, 4, -1 },
402 { 0xFB35, 0x05D5, 4, -1 },
403 { 0xFB36, 0x05D6, 4, -1 },
404 { 0xFB38, 0x05D8, 4, -1 },
405 { 0xFB39, 0x05D9, 4, -1 },
406 { 0xFB3A, 0x05DA, 4, -1 },
407 { 0xFB3B, 0x05DB, 4, -1 },
408 { 0xFB3C, 0x05DC, 4, -1 },
409 { 0xFB3E, 0x05DE, 4, -1 },
410 { 0xFB40, 0x05E0, 4, -1 },
411 { 0xFB41, 0x05E1, 4, -1 },
412 { 0xFB43, 0x05E3, 4, -1 },
413 { 0xFB44, 0x05E4, 4, -1 },
414 { 0xFB46, 0x05E6, 4, -1 },
415 { 0xFB47, 0x05E7, 4, -1 },
416 { 0xFB48, 0x05E8, 4, -1 },
417 { 0xFB49, 0x05E9, 4, -1 },
418 { 0xFB4A, 0x05EA, 4, -1 },
419 { 0xFB4B, 0x05D5, 3, -1 },
420 { 0xFB4C, 0x05D1, 5, -1 },
421 { 0xFB4D, 0x05DB, 5, -1 },
422 { 0xFB4E, 0x05E4, 5, -1 },
423 };
424
425 #define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
426 #define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
427 #define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
428 #define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
429 #define LOOPFCT TO_LOOP
430 #define BODY \
431 { \
432 uint32_t ch = get32 (inptr); \
433 \
434 if (ch < 0x0080) \
435 { \
436 *outptr++ = ch; \
437 inptr += 4; \
438 } \
439 else \
440 { \
441 unsigned char res; \
442 \
443 if (ch >= 0x00a0 && ch < 0x00f8) \
444 res = from_ucs4[ch - 0x00a0 + FROM_IDX_00]; \
445 else if (ch == 0x0192) \
446 res = 0x83; \
447 else if (ch >= 0x02c6 && ch < 0x02dd) \
448 res = from_ucs4[ch - 0x02c6 + FROM_IDX_02]; \
449 else if (ch >= 0x05b0 && ch < 0x05f5) \
450 res = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
451 else if (ch >= 0x200e && ch < 0x203b) \
452 res = from_ucs4[ch - 0x200e + FROM_IDX_20]; \
453 else if (ch == 0x20aa) \
454 res = 0xa4; \
455 else if (ch == 0x20ac) \
456 res = 0x80; \
457 else if (ch == 0x2122) \
458 res = 0x99; \
459 else \
460 { \
461 UNICODE_TAG_HANDLER (ch, 4); \
462 res = 0; \
463 } \
464 \
465 if (__glibc_likely (res != 0)) \
466 { \
467 *outptr++ = res; \
468 inptr += 4; \
469 } \
470 else \
471 { \
472 /* Try canonical decomposition. */ \
473 unsigned int i1, i2; \
474 \
475 i1 = 0; \
476 i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1; \
477 if (ch >= decomp_table[i1].composed \
478 && ch <= decomp_table[i2].composed) \
479 { \
480 unsigned int i; \
481 \
482 for (;;) \
483 { \
484 i = (i1 + i2) >> 1; \
485 if (ch == decomp_table[i].composed) \
486 break; \
487 if (ch < decomp_table[i].composed) \
488 { \
489 if (i1 == i) \
490 goto failed; \
491 i2 = i; \
492 } \
493 else \
494 { \
495 if (i1 != i) \
496 i1 = i; \
497 else \
498 { \
499 i = i2; \
500 if (ch == decomp_table[i].composed) \
501 break; \
502 goto failed; \
503 } \
504 } \
505 } \
506 \
507 /* Found a canonical decomposition. */ \
508 ch = decomp_table[i].base; \
509 /* ch is one of 0x05d0..0x05d6, 0x05d8..0x05dc, 0x05de, \
510 0x05e0..0x05e1, 0x05e3..0x05e4, 0x05e6..0x05ea, 0x05f2. */ \
511 ch = from_ucs4[ch - 0x05b0 + FROM_IDX_05]; \
512 assert (ch != 0); \
513 \
514 if (decomp_table[i].comb2 < 0) \
515 { \
516 /* See whether we have room for two bytes. */ \
517 if (__glibc_unlikely (outptr + 1 >= outend)) \
518 { \
519 result = __GCONV_FULL_OUTPUT; \
520 break; \
521 } \
522 \
523 *outptr++ = (unsigned char) ch; \
524 *outptr++ = comb_table[decomp_table[i].comb1]; \
525 } \
526 else \
527 { \
528 /* See whether we have room for three bytes. */ \
529 if (__glibc_unlikely (outptr + 2 >= outend)) \
530 { \
531 result = __GCONV_FULL_OUTPUT; \
532 break; \
533 } \
534 \
535 *outptr++ = (unsigned char) ch; \
536 *outptr++ = comb_table[decomp_table[i].comb1]; \
537 *outptr++ = comb_table[decomp_table[i].comb2]; \
538 } \
539 \
540 inptr += 4; \
541 continue; \
542 } \
543 \
544 failed: \
545 /* This is an illegal character. */ \
546 STANDARD_TO_LOOP_ERR_HANDLER (4); \
547 } \
548 } \
549 }
550 #define LOOP_NEED_FLAGS
551 #define EXTRA_LOOP_DECLS , int *statep
552 #include <iconv/loop.c>
553
554
555 /* Now define the toplevel functions. */
556 #include <iconv/skeleton.c>