iconvdata/cp1258.c

   1 /* Conversion from and to CP1258.
   2    Copyright (C) 1998-2024 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 #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            "CP1258//"
  28 #define FROM_LOOP               from_cp1258
  29 #define TO_LOOP                 to_cp1258
  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 CP1258 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
  85 /* First define the conversion function from CP1258 to UCS4.  */
  86
  87 static const uint16_t to_ucs4[128] =
  88   {
  89     /* 0x80 */
  90     0x20AC,      0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
  91     0x02C6, 0x2030,      0, 0x2039, 0x0152,      0,      0,      0,
  92     /* 0x90 */
  93          0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
  94     0x02DC, 0x2122,      0, 0x203A, 0x0153,      0,      0, 0x0178,
  95     /* 0xA0 */
  96     0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
  97     0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
  98     /* 0xB0 */
  99     0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
 100     0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
 101     /* 0xC0 */
 102     0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
 103     0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0300, 0x00CD, 0x00CE, 0x00CF,
 104     /* 0xD0 */
 105     0x0110, 0x00D1, 0x0309, 0x00D3, 0x00D4, 0x01A0, 0x00D6, 0x00D7,
 106     0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x01AF, 0x0303, 0x00DF,
 107     /* 0xE0 */
 108     0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
 109     0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0301, 0x00ED, 0x00EE, 0x00EF,
 110     /* 0xF0 */
 111     0x0111, 0x00F1, 0x0323, 0x00F3, 0x00F4, 0x01A1, 0x00F6, 0x00F7,
 112     0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x01B0, 0x20AB, 0x00FF,
 113   };
 114
 115 /* CP1258 contains five combining characters:
 116    0x0300, 0x0301, 0x0303, 0x0309, 0x0323.  */
 117
 118 /* Composition tables for each of the relevant combining characters.  */
 119 static const struct
 120 {
 121   uint16_t base;
 122   uint16_t composed;
 123 } comp_table_data[] =
 124   {
 125 #define COMP_TABLE_IDX_0300 0
 126 #define COMP_TABLE_LEN_0300 31
 127     { 0x0041, 0x00C0 },
 128     { 0x0045, 0x00C8 },
 129     { 0x0049, 0x00CC },
 130     { 0x004E, 0x01F8 },
 131     { 0x004F, 0x00D2 },
 132     { 0x0055, 0x00D9 },
 133     { 0x0057, 0x1E80 },
 134     { 0x0059, 0x1EF2 },
 135     { 0x0061, 0x00E0 },
 136     { 0x0065, 0x00E8 },
 137     { 0x0069, 0x00EC },
 138     { 0x006E, 0x01F9 },
 139     { 0x006F, 0x00F2 },
 140     { 0x0075, 0x00F9 },
 141     { 0x0077, 0x1E81 },
 142     { 0x0079, 0x1EF3 },
 143     { 0x00A8, 0x1FED },
 144     { 0x00C2, 0x1EA6 },
 145     { 0x00CA, 0x1EC0 },
 146     { 0x00D4, 0x1ED2 },
 147     { 0x00DC, 0x01DB },
 148     { 0x00E2, 0x1EA7 },
 149     { 0x00EA, 0x1EC1 },
 150     { 0x00F4, 0x1ED3 },
 151     { 0x00FC, 0x01DC },
 152     { 0x0102, 0x1EB0 },
 153     { 0x0103, 0x1EB1 },
 154     /*{ 0x0112, 0x1E14 },*/
 155     /*{ 0x0113, 0x1E15 },*/
 156     /*{ 0x014C, 0x1E50 },*/
 157     /*{ 0x014D, 0x1E51 },*/
 158     { 0x01A0, 0x1EDC },
 159     { 0x01A1, 0x1EDD },
 160     { 0x01AF, 0x1EEA },
 161     { 0x01B0, 0x1EEB },
 162 #define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300)
 163 #define COMP_TABLE_LEN_0301 59
 164     { 0x0041, 0x00C1 },
 165     { 0x0043, 0x0106 },
 166     { 0x0045, 0x00C9 },
 167     { 0x0047, 0x01F4 },
 168     { 0x0049, 0x00CD },
 169     { 0x004B, 0x1E30 },
 170     { 0x004C, 0x0139 },
 171     { 0x004D, 0x1E3E },
 172     { 0x004E, 0x0143 },
 173     { 0x004F, 0x00D3 },
 174     { 0x0050, 0x1E54 },
 175     { 0x0052, 0x0154 },
 176     { 0x0053, 0x015A },
 177     { 0x0055, 0x00DA },
 178     { 0x0057, 0x1E82 },
 179     { 0x0059, 0x00DD },
 180     { 0x005A, 0x0179 },
 181     { 0x0061, 0x00E1 },
 182     { 0x0063, 0x0107 },
 183     { 0x0065, 0x00E9 },
 184     { 0x0067, 0x01F5 },
 185     { 0x0069, 0x00ED },
 186     { 0x006B, 0x1E31 },
 187     { 0x006C, 0x013A },
 188     { 0x006D, 0x1E3F },
 189     { 0x006E, 0x0144 },
 190     { 0x006F, 0x00F3 },
 191     { 0x0070, 0x1E55 },
 192     { 0x0072, 0x0155 },
 193     { 0x0073, 0x015B },
 194     { 0x0075, 0x00FA },
 195     { 0x0077, 0x1E83 },
 196     { 0x0079, 0x00FD },
 197     { 0x007A, 0x017A },
 198     { 0x00A8, 0x0385 }, /* prefer U+0385 over U+1FEE */
 199     { 0x00C2, 0x1EA4 },
 200     { 0x00C5, 0x01FA },
 201     { 0x00C6, 0x01FC },
 202     { 0x00C7, 0x1E08 },
 203     { 0x00CA, 0x1EBE },
 204     { 0x00CF, 0x1E2E },
 205     { 0x00D4, 0x1ED0 },
 206     /*{ 0x00D5, 0x1E4C },*/
 207     { 0x00D8, 0x01FE },
 208     { 0x00DC, 0x01D7 },
 209     { 0x00E2, 0x1EA5 },
 210     { 0x00E5, 0x01FB },
 211     { 0x00E6, 0x01FD },
 212     { 0x00E7, 0x1E09 },
 213     { 0x00EA, 0x1EBF },
 214     { 0x00EF, 0x1E2F },
 215     { 0x00F4, 0x1ED1 },
 216     /*{ 0x00F5, 0x1E4D },*/
 217     { 0x00F8, 0x01FF },
 218     { 0x00FC, 0x01D8 },
 219     { 0x0102, 0x1EAE },
 220     { 0x0103, 0x1EAF },
 221     /*{ 0x0112, 0x1E16 },*/
 222     /*{ 0x0113, 0x1E17 },*/
 223     /*{ 0x014C, 0x1E52 },*/
 224     /*{ 0x014D, 0x1E53 },*/
 225     /*{ 0x0168, 0x1E78 },*/
 226     /*{ 0x0169, 0x1E79 },*/
 227     { 0x01A0, 0x1EDA },
 228     { 0x01A1, 0x1EDB },
 229     { 0x01AF, 0x1EE8 },
 230     { 0x01B0, 0x1EE9 },
 231 #define COMP_TABLE_IDX_0303 (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301)
 232 #define COMP_TABLE_LEN_0303 34
 233     { 0x0041, 0x00C3 },
 234     { 0x0045, 0x1EBC },
 235     { 0x0049, 0x0128 },
 236     { 0x004E, 0x00D1 },
 237     { 0x004F, 0x00D5 },
 238     { 0x0055, 0x0168 },
 239     { 0x0056, 0x1E7C },
 240     { 0x0059, 0x1EF8 },
 241     { 0x0061, 0x00E3 },
 242     { 0x0065, 0x1EBD },
 243     { 0x0069, 0x0129 },
 244     { 0x006E, 0x00F1 },
 245     { 0x006F, 0x00F5 },
 246     { 0x0075, 0x0169 },
 247     { 0x0076, 0x1E7D },
 248     { 0x0079, 0x1EF9 },
 249     { 0x00C2, 0x1EAA },
 250     { 0x00CA, 0x1EC4 },
 251     { 0x00D3, 0x1E4C },
 252     { 0x00D4, 0x1ED6 },
 253     { 0x00D6, 0x1E4E },
 254     { 0x00DA, 0x1E78 },
 255     { 0x00E2, 0x1EAB },
 256     { 0x00EA, 0x1EC5 },
 257     { 0x00F3, 0x1E4D },
 258     { 0x00F4, 0x1ED7 },
 259     { 0x00F6, 0x1E4F },
 260     { 0x00FA, 0x1E79 },
 261     { 0x0102, 0x1EB4 },
 262     { 0x0103, 0x1EB5 },
 263     { 0x01A0, 0x1EE0 },
 264     { 0x01A1, 0x1EE1 },
 265     { 0x01AF, 0x1EEE },
 266     { 0x01B0, 0x1EEF },
 267 #define COMP_TABLE_IDX_0309 (COMP_TABLE_IDX_0303 + COMP_TABLE_LEN_0303)
 268 #define COMP_TABLE_LEN_0309 24
 269     { 0x0041, 0x1EA2 },
 270     { 0x0045, 0x1EBA },
 271     { 0x0049, 0x1EC8 },
 272     { 0x004F, 0x1ECE },
 273     { 0x0055, 0x1EE6 },
 274     { 0x0059, 0x1EF6 },
 275     { 0x0061, 0x1EA3 },
 276     { 0x0065, 0x1EBB },
 277     { 0x0069, 0x1EC9 },
 278     { 0x006F, 0x1ECF },
 279     { 0x0075, 0x1EE7 },
 280     { 0x0079, 0x1EF7 },
 281     { 0x00C2, 0x1EA8 },
 282     { 0x00CA, 0x1EC2 },
 283     { 0x00D4, 0x1ED4 },
 284     { 0x00E2, 0x1EA9 },
 285     { 0x00EA, 0x1EC3 },
 286     { 0x00F4, 0x1ED5 },
 287     { 0x0102, 0x1EB2 },
 288     { 0x0103, 0x1EB3 },
 289     { 0x01A0, 0x1EDE },
 290     { 0x01A1, 0x1EDF },
 291     { 0x01AF, 0x1EEC },
 292     { 0x01B0, 0x1EED },
 293 #define COMP_TABLE_IDX_0323 (COMP_TABLE_IDX_0309 + COMP_TABLE_LEN_0309)
 294 #define COMP_TABLE_LEN_0323 50
 295     { 0x0041, 0x1EA0 },
 296     { 0x0042, 0x1E04 },
 297     { 0x0044, 0x1E0C },
 298     { 0x0045, 0x1EB8 },
 299     { 0x0048, 0x1E24 },
 300     { 0x0049, 0x1ECA },
 301     { 0x004B, 0x1E32 },
 302     { 0x004C, 0x1E36 },
 303     { 0x004D, 0x1E42 },
 304     { 0x004E, 0x1E46 },
 305     { 0x004F, 0x1ECC },
 306     { 0x0052, 0x1E5A },
 307     { 0x0053, 0x1E62 },
 308     { 0x0054, 0x1E6C },
 309     { 0x0055, 0x1EE4 },
 310     { 0x0056, 0x1E7E },
 311     { 0x0057, 0x1E88 },
 312     { 0x0059, 0x1EF4 },
 313     { 0x005A, 0x1E92 },
 314     { 0x0061, 0x1EA1 },
 315     { 0x0062, 0x1E05 },
 316     { 0x0064, 0x1E0D },
 317     { 0x0065, 0x1EB9 },
 318     { 0x0068, 0x1E25 },
 319     { 0x0069, 0x1ECB },
 320     { 0x006B, 0x1E33 },
 321     { 0x006C, 0x1E37 },
 322     { 0x006D, 0x1E43 },
 323     { 0x006E, 0x1E47 },
 324     { 0x006F, 0x1ECD },
 325     { 0x0072, 0x1E5B },
 326     { 0x0073, 0x1E63 },
 327     { 0x0074, 0x1E6D },
 328     { 0x0075, 0x1EE5 },
 329     { 0x0076, 0x1E7F },
 330     { 0x0077, 0x1E89 },
 331     { 0x0079, 0x1EF5 },
 332     { 0x007A, 0x1E93 },
 333     { 0x00C2, 0x1EAC },
 334     { 0x00CA, 0x1EC6 },
 335     { 0x00D4, 0x1ED8 },
 336     { 0x00E2, 0x1EAD },
 337     { 0x00EA, 0x1EC7 },
 338     { 0x00F4, 0x1ED9 },
 339     { 0x0102, 0x1EB6 },
 340     { 0x0103, 0x1EB7 },
 341     { 0x01A0, 0x1EE2 },
 342     { 0x01A1, 0x1EE3 },
 343     { 0x01AF, 0x1EF0 },
 344     { 0x01B0, 0x1EF1 },
 345 #define COMP_TABLE_IDX_END (COMP_TABLE_IDX_0323 + COMP_TABLE_LEN_0323)
 346   };
 347 /* Compile-time verification of table size.  */
 348 typedef int verify1[(NELEMS (comp_table_data) == COMP_TABLE_IDX_END) - 1];
 349
 350 static const struct
 351 {
 352   unsigned int idx;
 353   unsigned int len;
 354 } comp_table[5] =
 355   {
 356     { COMP_TABLE_IDX_0300, COMP_TABLE_LEN_0300 },
 357     { COMP_TABLE_IDX_0301, COMP_TABLE_LEN_0301 },
 358     { COMP_TABLE_IDX_0303, COMP_TABLE_LEN_0303 },
 359     { COMP_TABLE_IDX_0309, COMP_TABLE_LEN_0309 },
 360     { COMP_TABLE_IDX_0323, COMP_TABLE_LEN_0323 }
 361   };
 362
 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 >= 0x80)                                                           \
 375       {                                                                       \
 376         ch = to_ucs4[ch - 0x80];                                              \
 377         if (__glibc_unlikely (ch == L'\0'))                                   \
 378           {                                                                   \
 379             /* This is an illegal character.  */                              \
 380             STANDARD_FROM_LOOP_ERR_HANDLER (1);                               \
 381           }                                                                   \
 382       }                                                                       \
 383                                                                               \
 384     /* Determine whether there is a buffered character pending.  */           \
 385     last_ch = *statep >> 3;                                                   \
 386                                                                               \
 387     /* We have to buffer ch if it is a possible match in comp_table_data.  */ \
 388     must_buffer_ch = (ch >= 0x0041 && ch <= 0x01b0);                          \
 389                                                                               \
 390     if (last_ch)                                                              \
 391       {                                                                       \
 392         if (ch >= 0x0300 && ch < 0x0340)                                      \
 393           {                                                                   \
 394             /* See whether last_ch and ch can be combined.  */                \
 395             unsigned int i, i1, i2;                                           \
 396                                                                               \
 397             switch (ch)                                                       \
 398               {                                                               \
 399               case 0x0300:                                                    \
 400                 i = 0;                                                        \
 401                 break;                                                        \
 402               case 0x0301:                                                    \
 403                 i = 1;                                                        \
 404                 break;                                                        \
 405               case 0x0303:                                                    \
 406                 i = 2;                                                        \
 407                 break;                                                        \
 408               case 0x0309:                                                    \
 409                 i = 3;                                                        \
 410                 break;                                                        \
 411               case 0x0323:                                                    \
 412                 i = 4;                                                        \
 413                 break;                                                        \
 414               default:                                                        \
 415                 abort ();                                                     \
 416               }                                                               \
 417                                                                               \
 418             i1 = comp_table[i].idx;                                           \
 419             i2 = i1 + comp_table[i].len - 1;                                  \
 420                                                                               \
 421             if (last_ch >= comp_table_data[i1].base                           \
 422                 && last_ch <= comp_table_data[i2].base)                       \
 423               {                                                               \
 424                 for (;;)                                                      \
 425                   {                                                           \
 426                     i = (i1 + i2) >> 1;                                       \
 427                     if (last_ch == comp_table_data[i].base)                   \
 428                       break;                                                  \
 429                     if (last_ch < comp_table_data[i].base)                    \
 430                       {                                                       \
 431                         if (i1 == i)                                          \
 432                           goto not_combining;                                 \
 433                         i2 = i;                                               \
 434                       }                                                       \
 435                     else                                                      \
 436                       {                                                       \
 437                         if (i1 != i)                                          \
 438                           i1 = i;                                             \
 439                         else                                                  \
 440                           {                                                   \
 441                             i = i2;                                           \
 442                             if (last_ch == comp_table_data[i].base)           \
 443                               break;                                          \
 444                             goto not_combining;                               \
 445                           }                                                   \
 446                       }                                                       \
 447                   }                                                           \
 448                 last_ch = comp_table_data[i].composed;                        \
 449                 /* Output the combined character.  */                         \
 450                 put32 (outptr, last_ch);                                      \
 451                 outptr += 4;                                                  \
 452                 *statep = 0;                                                  \
 453                 ++inptr;                                                      \
 454                 continue;                                                     \
 455               }                                                               \
 456           }                                                                   \
 457                                                                               \
 458       not_combining:                                                          \
 459         /* Output the buffered character.  */                                 \
 460         put32 (outptr, last_ch);                                              \
 461         outptr += 4;                                                          \
 462         *statep = 0;                                                          \
 463                                                                               \
 464         /* If we don't have enough room to output ch as well, then deal       \
 465            with it in another round.  */                                      \
 466         if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0))     \
 467           continue;                                                           \
 468       }                                                                       \
 469                                                                               \
 470     if (must_buffer_ch)                                                       \
 471       *statep = ch << 3;                                                      \
 472     else                                                                      \
 473       {                                                                       \
 474         put32 (outptr, ch);                                                   \
 475         outptr += 4;                                                          \
 476       }                                                                       \
 477     ++inptr;                                                                  \
 478   }
 479 #define LOOP_NEED_FLAGS
 480 #define EXTRA_LOOP_DECLS        , int *statep
 481 #define ONEBYTE_BODY \
 482   {                                                                           \
 483     uint32_t ch;                                                              \
 484                                                                               \
 485     if (c < 0x80)                                                             \
 486       ch = c;                                                                 \
 487     else                                                                      \
 488       {                                                                       \
 489         ch = to_ucs4[c - 0x80];                                               \
 490         if (ch == L'\0')                                                      \
 491           return WEOF;                                                        \
 492       }                                                                       \
 493     if (ch >= 0x0041 && ch <= 0x01b0)                                         \
 494       return WEOF;                                                            \
 495     return ch;                                                                \
 496   }
 497 #include <iconv/loop.c>
 498
 499
 500 /* Next, define the conversion function from UCS4 to CP1258.  */
 501
 502 static const unsigned char from_ucs4[] =
 503   {
 504 #define FROM_IDX_00 0
 505                             0xc4, 0xc5, 0xc6, 0xc7, /* 0x00c4-0x00c7 */
 506     0xc8, 0xc9, 0xca, 0xcb, 0x00, 0xcd, 0xce, 0xcf, /* 0x00c8-0x00cf */
 507     0x00, 0xd1, 0x00, 0xd3, 0xd4, 0x00, 0xd6, 0xd7, /* 0x00d0-0x00d7 */
 508     0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0x00d8-0x00df */
 509     0xe0, 0xe1, 0xe2, 0x00, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x00e0-0x00e7 */
 510     0xe8, 0xe9, 0xea, 0xeb, 0x00, 0xed, 0xee, 0xef, /* 0x00e8-0x00ef */
 511     0x00, 0xf1, 0x00, 0xf3, 0xf4, 0x00, 0xf6, 0xf7, /* 0x00f0-0x00f7 */
 512     0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0x00f8-0x00ff */
 513     0x00, 0x00, 0xc3, 0xe3, 0x00, 0x00, 0x00, 0x00, /* 0x0100-0x0107 */
 514     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0108-0x010f */
 515     0xd0, 0xf0,                                     /* 0x0110-0x0111 */
 516 #define FROM_IDX_01 (FROM_IDX_00 + 78)
 517                 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x0152-0x0157 */
 518     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0158-0x015f */
 519     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0160-0x0167 */
 520     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0168-0x016f */
 521     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0170-0x0177 */
 522     0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0178-0x017f */
 523     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0180-0x0187 */
 524     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0188-0x018f */
 525     0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0190-0x0197 */
 526     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0198-0x019f */
 527     0xd5, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x01a0-0x01a7 */
 528     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdd, /* 0x01a8-0x01af */
 529     0xfd,                                           /* 0x01b0-0x01b0 */
 530 #define FROM_IDX_02 (FROM_IDX_01 + 95)
 531                                         0x88, 0x00, /* 0x02c6-0x02c7 */
 532     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c8-0x02cf */
 533     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02d0-0x02d7 */
 534     0x00, 0x00, 0x00, 0x00, 0x98,                   /* 0x02d8-0x02dc */
 535 #define FROM_IDX_03 (FROM_IDX_02 + 23)
 536     0xcc, 0xec, 0x00, 0xde, 0x00, 0x00, 0x00, 0x00, /* 0x0300-0x0307 */
 537     0x00, 0xd2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0308-0x030f */
 538     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0310-0x0317 */
 539     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x0318-0x031f */
 540     0x00, 0x00, 0x00, 0xf2,                         /* 0x0320-0x0323 */
 541 #define FROM_IDX_20 (FROM_IDX_03 + 36)
 542                       0x96, 0x97, 0x00, 0x00, 0x00, /* 0x2013-0x2017 */
 543     0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x2018-0x201f */
 544     0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x2020-0x2027 */
 545     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2028-0x202f */
 546     0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2030-0x2037 */
 547     0x00, 0x8b, 0x9b,                               /* 0x2038-0x203a */
 548 #define FROM_IDX_FF (FROM_IDX_20 + 40)
 549   };
 550 /* Compile-time verification of table size.  */
 551 typedef int verify2[(NELEMS (from_ucs4) == FROM_IDX_FF) - 1];
 552
 553 /* Decomposition table for the relevant Unicode characters. */
 554 static const struct
 555 {
 556   uint16_t composed;
 557   uint32_t base:8;
 558   uint32_t comb1:8;
 559 } decomp_table[] =
 560   {
 561     { 0x00c0, 0x41, 0xcc },
 562     { 0x00c1, 0x41, 0xec },
 563     { 0x00c3, 0x41, 0xde },
 564     { 0x00c8, 0x45, 0xcc },
 565     { 0x00c9, 0x45, 0xec },
 566     { 0x00cc, 0x49, 0xcc },
 567     { 0x00cd, 0x49, 0xec },
 568     { 0x00d1, 0x4e, 0xde },
 569     { 0x00d2, 0x4f, 0xcc },
 570     { 0x00d3, 0x4f, 0xec },
 571     { 0x00d5, 0x4f, 0xde },
 572     { 0x00d9, 0x55, 0xcc },
 573     { 0x00da, 0x55, 0xec },
 574     { 0x00dd, 0x59, 0xec },
 575     { 0x00e0, 0x61, 0xcc },
 576     { 0x00e1, 0x61, 0xec },
 577     { 0x00e3, 0x61, 0xde },
 578     { 0x00e8, 0x65, 0xcc },
 579     { 0x00e9, 0x65, 0xec },
 580     { 0x00ec, 0x69, 0xcc },
 581     { 0x00ed, 0x69, 0xec },
 582     { 0x00f1, 0x6e, 0xde },
 583     { 0x00f2, 0x6f, 0xcc },
 584     { 0x00f3, 0x6f, 0xec },
 585     { 0x00f5, 0x6f, 0xde },
 586     { 0x00f9, 0x75, 0xcc },
 587     { 0x00fa, 0x75, 0xec },
 588     { 0x00fd, 0x79, 0xec },
 589     { 0x0106, 0x43, 0xec },
 590     { 0x0107, 0x63, 0xec },
 591     { 0x0128, 0x49, 0xde },
 592     { 0x0129, 0x69, 0xde },
 593     { 0x0139, 0x4c, 0xec },
 594     { 0x013a, 0x6c, 0xec },
 595     { 0x0143, 0x4e, 0xec },
 596     { 0x0144, 0x6e, 0xec },
 597     { 0x0154, 0x52, 0xec },
 598     { 0x0155, 0x72, 0xec },
 599     { 0x015a, 0x53, 0xec },
 600     { 0x015b, 0x73, 0xec },
 601     { 0x0168, 0x55, 0xde },
 602     { 0x0169, 0x75, 0xde },
 603     { 0x0179, 0x5a, 0xec },
 604     { 0x017a, 0x7a, 0xec },
 605     { 0x01d7, 0xdc, 0xec },
 606     { 0x01d8, 0xfc, 0xec },
 607     { 0x01db, 0xdc, 0xcc },
 608     { 0x01dc, 0xfc, 0xcc },
 609     { 0x01f4, 0x47, 0xec },
 610     { 0x01f5, 0x67, 0xec },
 611     { 0x01f8, 0x4e, 0xcc },
 612     { 0x01f9, 0x6e, 0xcc },
 613     { 0x01fa, 0xc5, 0xec },
 614     { 0x01fb, 0xe5, 0xec },
 615     { 0x01fc, 0xc6, 0xec },
 616     { 0x01fd, 0xe6, 0xec },
 617     { 0x01fe, 0xd8, 0xec },
 618     { 0x01ff, 0xf8, 0xec },
 619     { 0x0385, 0xa8, 0xec },
 620     { 0x1e04, 0x42, 0xf2 },
 621     { 0x1e05, 0x62, 0xf2 },
 622     { 0x1e08, 0xc7, 0xec },
 623     { 0x1e09, 0xe7, 0xec },
 624     { 0x1e0c, 0x44, 0xf2 },
 625     { 0x1e0d, 0x64, 0xf2 },
 626     { 0x1e24, 0x48, 0xf2 },
 627     { 0x1e25, 0x68, 0xf2 },
 628     { 0x1e2e, 0xcf, 0xec },
 629     { 0x1e2f, 0xef, 0xec },
 630     { 0x1e30, 0x4b, 0xec },
 631     { 0x1e31, 0x6b, 0xec },
 632     { 0x1e32, 0x4b, 0xf2 },
 633     { 0x1e33, 0x6b, 0xf2 },
 634     { 0x1e36, 0x4c, 0xf2 },
 635     { 0x1e37, 0x6c, 0xf2 },
 636     { 0x1e3e, 0x4d, 0xec },
 637     { 0x1e3f, 0x6d, 0xec },
 638     { 0x1e42, 0x4d, 0xf2 },
 639     { 0x1e43, 0x6d, 0xf2 },
 640     { 0x1e46, 0x4e, 0xf2 },
 641     { 0x1e47, 0x6e, 0xf2 },
 642     { 0x1e4c, 0xd3, 0xde }, /*{ 0x1e4c, 0x00d5, 0xec }, { 0x1e4c, 0x004f, 1, 0xde },*/
 643     { 0x1e4d, 0xf3, 0xde }, /*{ 0x1e4d, 0x00f5, 0xec }, { 0x1e4d, 0x006f, 1, 0xde },*/
 644     { 0x1e4e, 0xd6, 0xde },
 645     { 0x1e4f, 0xf6, 0xde },
 646     { 0x1e54, 0x50, 0xec },
 647     { 0x1e55, 0x70, 0xec },
 648     { 0x1e5a, 0x52, 0xf2 },
 649     { 0x1e5b, 0x72, 0xf2 },
 650     { 0x1e62, 0x53, 0xf2 },
 651     { 0x1e63, 0x73, 0xf2 },
 652     { 0x1e6c, 0x54, 0xf2 },
 653     { 0x1e6d, 0x74, 0xf2 },
 654     { 0x1e78, 0xda, 0xde }, /*{ 0x1e78, 0x0168, 0xec }, { 0x1e78, 0x0055, 1, 0xde },*/
 655     { 0x1e79, 0xfa, 0xde }, /*{ 0x1e79, 0x0169, 0xec }, { 0x1e79, 0x0075, 1, 0xde },*/
 656     { 0x1e7c, 0x56, 0xde },
 657     { 0x1e7d, 0x76, 0xde },
 658     { 0x1e7e, 0x56, 0xf2 },
 659     { 0x1e7f, 0x76, 0xf2 },
 660     { 0x1e80, 0x57, 0xcc },
 661     { 0x1e81, 0x77, 0xcc },
 662     { 0x1e82, 0x57, 0xec },
 663     { 0x1e83, 0x77, 0xec },
 664     { 0x1e88, 0x57, 0xf2 },
 665     { 0x1e89, 0x77, 0xf2 },
 666     { 0x1e92, 0x5a, 0xf2 },
 667     { 0x1e93, 0x7a, 0xf2 },
 668     { 0x1ea0, 0x41, 0xf2 },
 669     { 0x1ea1, 0x61, 0xf2 },
 670     { 0x1ea2, 0x41, 0xd2 },
 671     { 0x1ea3, 0x61, 0xd2 },
 672     { 0x1ea4, 0xc2, 0xec },
 673     { 0x1ea5, 0xe2, 0xec },
 674     { 0x1ea6, 0xc2, 0xcc },
 675     { 0x1ea7, 0xe2, 0xcc },
 676     { 0x1ea8, 0xc2, 0xd2 },
 677     { 0x1ea9, 0xe2, 0xd2 },
 678     { 0x1eaa, 0xc2, 0xde },
 679     { 0x1eab, 0xe2, 0xde },
 680     { 0x1eac, 0xc2, 0xf2 },
 681     { 0x1ead, 0xe2, 0xf2 },
 682     { 0x1eae, 0xc3, 0xec },
 683     { 0x1eaf, 0xe3, 0xec },
 684     { 0x1eb0, 0xc3, 0xcc },
 685     { 0x1eb1, 0xe3, 0xcc },
 686     { 0x1eb2, 0xc3, 0xd2 },
 687     { 0x1eb3, 0xe3, 0xd2 },
 688     { 0x1eb4, 0xc3, 0xde },
 689     { 0x1eb5, 0xe3, 0xde },
 690     { 0x1eb6, 0xc3, 0xf2 },
 691     { 0x1eb7, 0xe3, 0xf2 },
 692     { 0x1eb8, 0x45, 0xf2 },
 693     { 0x1eb9, 0x65, 0xf2 },
 694     { 0x1eba, 0x45, 0xd2 },
 695     { 0x1ebb, 0x65, 0xd2 },
 696     { 0x1ebc, 0x45, 0xde },
 697     { 0x1ebd, 0x65, 0xde },
 698     { 0x1ebe, 0xca, 0xec },
 699     { 0x1ebf, 0xea, 0xec },
 700     { 0x1ec0, 0xca, 0xcc },
 701     { 0x1ec1, 0xea, 0xcc },
 702     { 0x1ec2, 0xca, 0xd2 },
 703     { 0x1ec3, 0xea, 0xd2 },
 704     { 0x1ec4, 0xca, 0xde },
 705     { 0x1ec5, 0xea, 0xde },
 706     { 0x1ec6, 0xca, 0xf2 },
 707     { 0x1ec7, 0xea, 0xf2 },
 708     { 0x1ec8, 0x49, 0xd2 },
 709     { 0x1ec9, 0x69, 0xd2 },
 710     { 0x1eca, 0x49, 0xf2 },
 711     { 0x1ecb, 0x69, 0xf2 },
 712     { 0x1ecc, 0x4f, 0xf2 },
 713     { 0x1ecd, 0x6f, 0xf2 },
 714     { 0x1ece, 0x4f, 0xd2 },
 715     { 0x1ecf, 0x6f, 0xd2 },
 716     { 0x1ed0, 0xd4, 0xec },
 717     { 0x1ed1, 0xf4, 0xec },
 718     { 0x1ed2, 0xd4, 0xcc },
 719     { 0x1ed3, 0xf4, 0xcc },
 720     { 0x1ed4, 0xd4, 0xd2 },
 721     { 0x1ed5, 0xf4, 0xd2 },
 722     { 0x1ed6, 0xd4, 0xde },
 723     { 0x1ed7, 0xf4, 0xde },
 724     { 0x1ed8, 0xd4, 0xf2 },
 725     { 0x1ed9, 0xf4, 0xf2 },
 726     { 0x1eda, 0xd5, 0xec },
 727     { 0x1edb, 0xf5, 0xec },
 728     { 0x1edc, 0xd5, 0xcc },
 729     { 0x1edd, 0xf5, 0xcc },
 730     { 0x1ede, 0xd5, 0xd2 },
 731     { 0x1edf, 0xf5, 0xd2 },
 732     { 0x1ee0, 0xd5, 0xde },
 733     { 0x1ee1, 0xf5, 0xde },
 734     { 0x1ee2, 0xd5, 0xf2 },
 735     { 0x1ee3, 0xf5, 0xf2 },
 736     { 0x1ee4, 0x55, 0xf2 },
 737     { 0x1ee5, 0x75, 0xf2 },
 738     { 0x1ee6, 0x55, 0xd2 },
 739     { 0x1ee7, 0x75, 0xd2 },
 740     { 0x1ee8, 0xdd, 0xec },
 741     { 0x1ee9, 0xfd, 0xec },
 742     { 0x1eea, 0xdd, 0xcc },
 743     { 0x1eeb, 0xfd, 0xcc },
 744     { 0x1eec, 0xdd, 0xd2 },
 745     { 0x1eed, 0xfd, 0xd2 },
 746     { 0x1eee, 0xdd, 0xde },
 747     { 0x1eef, 0xfd, 0xde },
 748     { 0x1ef0, 0xdd, 0xf2 },
 749     { 0x1ef1, 0xfd, 0xf2 },
 750     { 0x1ef2, 0x59, 0xcc },
 751     { 0x1ef3, 0x79, 0xcc },
 752     { 0x1ef4, 0x59, 0xf2 },
 753     { 0x1ef5, 0x79, 0xf2 },
 754     { 0x1ef6, 0x59, 0xd2 },
 755     { 0x1ef7, 0x79, 0xd2 },
 756     { 0x1ef8, 0x59, 0xde },
 757     { 0x1ef9, 0x79, 0xde },
 758     { 0x1fed, 0xa8, 0xcc },
 759     { 0x1fee, 0xa8, 0xec },
 760   };
 761
 762 #define MIN_NEEDED_INPUT        TO_LOOP_MIN_NEEDED_FROM
 763 #define MAX_NEEDED_INPUT        TO_LOOP_MAX_NEEDED_FROM
 764 #define MIN_NEEDED_OUTPUT       TO_LOOP_MIN_NEEDED_TO
 765 #define MAX_NEEDED_OUTPUT       TO_LOOP_MAX_NEEDED_TO
 766 #define LOOPFCT                 TO_LOOP
 767 #define BODY \
 768   {                                                                           \
 769     uint32_t ch = get32 (inptr);                                              \
 770                                                                               \
 771     if (ch < 0x0080 || (ch >= 0x00a0 && ch < 0x00c3))                         \
 772       {                                                                       \
 773         *outptr++ = ch;                                                       \
 774         inptr += 4;                                                           \
 775       }                                                                       \
 776     else                                                                      \
 777       {                                                                       \
 778         unsigned char res;                                                    \
 779                                                                               \
 780         if (ch >= 0x00c4 && ch < 0x0112)                                      \
 781           res = from_ucs4[ch - 0x00c4 + FROM_IDX_00];                         \
 782         else if (ch >= 0x0152 && ch < 0x01b1)                                 \
 783           res = from_ucs4[ch - 0x0152 + FROM_IDX_01];                         \
 784         else if (ch >= 0x02c6 && ch < 0x02dd)                                 \
 785           res = from_ucs4[ch - 0x02c6 + FROM_IDX_02];                         \
 786         else if (ch >= 0x0300 && ch < 0x0324)                                 \
 787           res = from_ucs4[ch - 0x0300 + FROM_IDX_03];                         \
 788         else if (ch >= 0x0340 && ch < 0x0342) /* Vietnamese tone marks */     \
 789           res = from_ucs4[ch - 0x0340 + FROM_IDX_03];                         \
 790         else if (ch >= 0x2013 && ch < 0x203b)                                 \
 791           res = from_ucs4[ch - 0x2013 + FROM_IDX_20];                         \
 792         else if (ch == 0x20ab)                                                \
 793           res = 0xfe;                                                         \
 794         else if (ch == 0x20ac)                                                \
 795           res = 0x80;                                                         \
 796         else if (ch == 0x2122)                                                \
 797           res = 0x99;                                                         \
 798         else                                                                  \
 799           {                                                                   \
 800             UNICODE_TAG_HANDLER (ch, 4);                                      \
 801             res = 0;                                                          \
 802           }                                                                   \
 803                                                                               \
 804         if (__glibc_likely (res != 0))                                        \
 805           {                                                                   \
 806             *outptr++ = res;                                                  \
 807             inptr += 4;                                                       \
 808           }                                                                   \
 809         else                                                                  \
 810           {                                                                   \
 811             /* Try canonical decomposition.  */                               \
 812             unsigned int i1, i2;                                              \
 813                                                                               \
 814             i1 = 0;                                                           \
 815             i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1;        \
 816             if (ch >= decomp_table[i1].composed                               \
 817                 && ch <= decomp_table[i2].composed)                           \
 818               {                                                               \
 819                 unsigned int i;                                               \
 820                                                                               \
 821                 for (;;)                                                      \
 822                   {                                                           \
 823                     i = (i1 + i2) >> 1;                                       \
 824                     if (ch == decomp_table[i].composed)                       \
 825                       break;                                                  \
 826                     if (ch < decomp_table[i].composed)                        \
 827                       {                                                       \
 828                         if (i1 == i)                                          \
 829                           goto failed;                                        \
 830                         i2 = i;                                               \
 831                       }                                                       \
 832                     else                                                      \
 833                       {                                                       \
 834                         if (i1 != i)                                          \
 835                           i1 = i;                                             \
 836                         else                                                  \
 837                           {                                                   \
 838                             i = i2;                                           \
 839                             if (ch == decomp_table[i].composed)               \
 840                               break;                                          \
 841                             goto failed;                                      \
 842                           }                                                   \
 843                       }                                                       \
 844                   }                                                           \
 845                                                                               \
 846                 /* See whether we have room for two bytes.  */                \
 847                 if (__glibc_unlikely (outptr + 1 >= outend))                  \
 848                   {                                                           \
 849                     result = __GCONV_FULL_OUTPUT;                             \
 850                     break;                                                    \
 851                   }                                                           \
 852                                                                               \
 853                 /* Found a canonical decomposition.  */                       \
 854                 *outptr++ = decomp_table[i].base;                             \
 855                 *outptr++ = decomp_table[i].comb1;                            \
 856                 inptr += 4;                                                   \
 857                 continue;                                                     \
 858               }                                                               \
 859                                                                               \
 860           failed:                                                             \
 861             /* This is an illegal character.  */                              \
 862             STANDARD_TO_LOOP_ERR_HANDLER (4);                                 \
 863           }                                                                   \
 864       }                                                                       \
 865   }
 866 #define LOOP_NEED_FLAGS
 867 #define EXTRA_LOOP_DECLS        , int *statep
 868 #include <iconv/loop.c>
 869
 870
 871 /* Now define the toplevel functions.  */
 872 #include <iconv/skeleton.c>