extra/locale/gen_wctype.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <locale.h>
   5 #include <wctype.h>
   6 #include <limits.h>
   7 #include <stdint.h>
   8 #include <wchar.h>
   9 #include <ctype.h>
  10
  11 #ifndef _CTYPE_H
  12 #define _CTYPE_H
  13 #endif
  14 #ifndef _WCTYPE_H
  15 #define _WCTYPE_H
  16 #endif
  17 #include <bits/uClibc_ctype.h>
  18
  19 /*       0x9 : space  blank */
  20 /*       0xa : space */
  21 /*       0xb : space */
  22 /*       0xc : space */
  23 /*       0xd : space */
  24 /*      0x20 : space  blank */
  25 /*    0x1680 : space  blank */
  26 /*    0x2000 : space  blank */
  27 /*    0x2001 : space  blank */
  28 /*    0x2002 : space  blank */
  29 /*    0x2003 : space  blank */
  30 /*    0x2004 : space  blank */
  31 /*    0x2005 : space  blank */
  32 /*    0x2006 : space  blank */
  33 /*    0x2008 : space  blank */
  34 /*    0x2009 : space  blank */
  35 /*    0x200a : space  blank */
  36 /*    0x200b : space  blank */
  37 /*    0x2028 : space */
  38 /*    0x2029 : space */
  39 /*    0x3000 : space  blank */
  40
  41 /*  typecount[ 0] =    88670  C_alpha_nonupper_nonlower */
  42 /*  typecount[ 1] =      742  C_alpha_lower */
  43 /*  typecount[ 2] =        4  C_alpha_upper_lower */
  44 /*  typecount[ 3] =      731  C_alpha_upper */
  45 /*  typecount[ 4] =       10  C_digit */
  46 /*  typecount[ 5] =    10270  C_punct */
  47 /*  typecount[ 6] =        0  C_graph */
  48 /*  typecount[ 7] =        0  C_print_space_nonblank */
  49 /*  typecount[ 8] =       14  C_print_space_blank */
  50 /*  typecount[ 9] =        0  C_space_nonblank_noncntrl */
  51 /*  typecount[10] =        0  C_space_blank_noncntrl */
  52 /*  typecount[11] =        6  C_cntrl_space_nonblank */
  53 /*  typecount[12] =        1  C_cntrl_space_blank */
  54 /*  typecount[13] =       60  C_cntrl_nonspace */
  55 /*  typecount[14] =    96100  C_unclassified */
  56 /*  typecount[15] =        0  empty_slot */
  57
  58
  59
  60 /* Set to #if 0 to restrict wchars to 16 bits. */
  61 #if 1
  62 #define RANGE 0x2ffffUL
  63 #elif 0
  64 #define RANGE 0x1ffffUL
  65 #else
  66 #define RANGE 0xffffUL                  /* Restrict for 16-bit wchar_t... */
  67 #endif
  68
  69 #if 0
  70 /* Classification codes. */
  71
  72 static const char *typename[] = {
  73         "C_unclassified",
  74         "C_alpha_nonupper_nonlower",
  75         "C_alpha_lower",
  76         "C_alpha_upper_lower",
  77         "C_alpha_upper",
  78         "C_digit",
  79         "C_punct",
  80         "C_graph",
  81         "C_print_space_nonblank",
  82         "C_print_space_blank",
  83         "C_space_nonblank_noncntrl",
  84         "C_space_blank_noncntrl",
  85         "C_cntrl_space_nonblank",
  86         "C_cntrl_space_blank",
  87         "C_cntrl_nonspace",
  88         "empty_slot"
  89 };
  90 #endif
  91
  92 #if 0
  93 /* Taking advantage of the C99 mutual-exclusion guarantees for the various
  94  * (w)ctype classes, including the descriptions of printing and control
  95  * (w)chars, we can place each in one of the following mutually-exlusive
  96  * subsets.  Since there are less than 16, we can store the data for
  97  * each (w)chars in a nibble. In contrast, glibc uses an unsigned int
  98  * per (w)char, with one bit flag for each is* type.  While this allows
  99  * a simple '&' operation to determine the type vs. a range test and a
 100  * little special handling for the "blank" and "xdigit" types in my
 101  * approach, it also uses 8 times the space for the tables on the typical
 102  * 32-bit archs we supported.*/
 103 enum {
 104         __CTYPE_unclassified = 0,
 105         __CTYPE_alpha_nonupper_nonlower,
 106         __CTYPE_alpha_lower,
 107         __CTYPE_alpha_upper_lower,
 108         __CTYPE_alpha_upper,
 109         __CTYPE_digit,
 110         __CTYPE_punct,
 111         __CTYPE_graph,
 112         __CTYPE_print_space_nonblank,
 113         __CTYPE_print_space_blank,
 114         __CTYPE_space_nonblank_noncntrl,
 115         __CTYPE_space_blank_noncntrl,
 116         __CTYPE_cntrl_space_nonblank,
 117         __CTYPE_cntrl_space_blank,
 118         __CTYPE_cntrl_nonspace,
 119 };
 120 #endif
 121
 122 #define __CTYPE_isxdigit(D,X) \
 123         (__CTYPE_isdigit(D) || (((unsigned int)(((X)|0x20) - 'a')) <= 5))
 124
 125 #define mywalnum(x)             __CTYPE_isalnum(d)
 126 #define mywalpha(x)             __CTYPE_isalpha(d)
 127 #define mywblank(x)     __CTYPE_isblank(d)
 128 #define mywcntrl(x)             __CTYPE_iscntrl(d)
 129 #define mywdigit(x)             __CTYPE_isdigit(d)
 130 #define mywgraph(x)             __CTYPE_isgraph(d)
 131 #define mywlower(x)             __CTYPE_islower(d)
 132 #define mywprint(x)             __CTYPE_isprint(d)
 133 #define mywpunct(x)             __CTYPE_ispunct(d)
 134 #define mywspace(x)             __CTYPE_isspace(d)
 135 #define mywupper(x)             __CTYPE_isupper(d)
 136 #define mywxdigit(x)    __CTYPE_isxdigit(d,x)
 137
 138 typedef struct {
 139         short l;
 140         short u;
 141 } uldiff_entry;
 142
 143 typedef struct {
 144         uint16_t ii_len;
 145         uint16_t ti_len;
 146         uint16_t ut_len;
 147
 148         unsigned char ii_shift;
 149         unsigned char ti_shift;
 150
 151         unsigned char *ii;
 152         unsigned char *ti;
 153         unsigned char *ut;
 154 } table_data;
 155
 156
 157 void output_table(FILE *fp, const char *name, table_data *tbl)
 158 {
 159         size_t i;
 160
 161         fprintf(fp, "#define __LOCALE_DATA_WC%s_II_LEN    %7u\n", name, tbl->ii_len);
 162         fprintf(fp, "#define __LOCALE_DATA_WC%s_TI_LEN    %7u\n", name, tbl->ti_len);
 163         fprintf(fp, "#define __LOCALE_DATA_WC%s_UT_LEN    %7u\n", name, tbl->ut_len);
 164
 165         fprintf(fp, "#define __LOCALE_DATA_WC%s_II_SHIFT  %7u\n", name, tbl->ii_shift);
 166         fprintf(fp, "#define __LOCALE_DATA_WC%s_TI_SHIFT  %7u\n", name, tbl->ti_shift);
 167
 168         fprintf(fp, "\n#ifdef WANT_WC%s_data\n", name);
 169
 170         i = tbl->ii_len + tbl->ti_len + tbl->ut_len;
 171         fprintf(fp, "\nstatic const unsigned char __LOCALE_DATA_WC%s_data[%zu] = {", name, i);
 172         for (i=0 ; i < tbl->ii_len ; i++) {
 173                 if (i % 12 == 0) {
 174                         fprintf(fp, "\n");
 175                 }
 176                 fprintf(fp, " %#04x,", tbl->ii[i]);
 177         }
 178         for (i=0 ; i < tbl->ti_len ; i++) {
 179                 if (i % 12 == 0) {
 180                         fprintf(fp, "\n");
 181                 }
 182                 fprintf(fp, " %#04x,", tbl->ti[i]);
 183         }
 184         for (i=0 ; i < tbl->ut_len ; i++) {
 185                 if (i % 12 == 0) {
 186                         fprintf(fp, "\n");
 187                 }
 188                 fprintf(fp, " %#04x,", tbl->ut[i]);
 189         }
 190         fprintf(fp, "\n};\n\n");
 191
 192         fprintf(fp, "#endif /* WANT_WC%s_data */\n\n", name);
 193 }
 194
 195 static void dump_table_data(table_data *tbl)
 196 {
 197         printf("ii_shift = %d  ti_shift = %d\n"
 198                    "ii_len = %d  ti_len = %d  ut_len = %d\n"
 199                    "total = %d\n",
 200                    tbl->ii_shift, tbl->ti_shift,
 201                    tbl->ii_len, tbl->ti_len, tbl->ut_len,
 202                    (int) tbl->ii_len + (int) tbl->ti_len + (int) tbl->ut_len);
 203 }
 204
 205 /* For sorting the blocks of unsigned chars. */
 206 static size_t nu_val;
 207
 208 int nu_memcmp(const void *a, const void *b)
 209 {
 210         return memcmp(*(unsigned char**)a, *(unsigned char**)b, nu_val);
 211 }
 212
 213 static size_t newopt(unsigned char *ut, size_t usize, int shift, table_data *tbl);
 214
 215 #define MAXTO           255                     /* Restrict to minimal unsigned char max. */
 216
 217 int main(int argc, char **argv)
 218 {
 219         long int u, l, tt;
 220         size_t smallest, t;
 221         unsigned int c;
 222         unsigned int d;
 223         int i, n;
 224         int ul_count = 0;
 225         uldiff_entry uldiff[MAXTO];
 226         table_data cttable;
 227         table_data ultable;
 228         table_data combtable;
 229         table_data widthtable;
 230         long int last_comb = 0;
 231
 232         unsigned char wct[(RANGE/2)+1]; /* wctype table (nibble per wchar) */
 233         unsigned char ult[RANGE+1];     /* upper/lower table */
 234         unsigned char combt[(RANGE/4)+1];       /* combining */
 235         unsigned char widtht[(RANGE/4)+1];      /* width */
 236         wctrans_t totitle;
 237         wctype_t is_comb, is_comb3;
 238
 239         long int typecount[16];
 240         const char *typename[16];
 241         static const char empty_slot[] = "empty_slot";
 242         int built = 0;
 243
 244 #define INIT_TYPENAME(X) typename[__CTYPE_##X] = "C_" #X
 245
 246         for (i=0 ; i < 16 ; i++) {
 247                 typename[i] = empty_slot;
 248         }
 249
 250         INIT_TYPENAME(unclassified);
 251         INIT_TYPENAME(alpha_nonupper_nonlower);
 252         INIT_TYPENAME(alpha_lower);
 253         INIT_TYPENAME(alpha_upper_lower);
 254         INIT_TYPENAME(alpha_upper);
 255         INIT_TYPENAME(digit);
 256         INIT_TYPENAME(punct);
 257         INIT_TYPENAME(graph);
 258         INIT_TYPENAME(print_space_nonblank);
 259         INIT_TYPENAME(print_space_blank);
 260         INIT_TYPENAME(space_nonblank_noncntrl);
 261         INIT_TYPENAME(space_blank_noncntrl);
 262         INIT_TYPENAME(cntrl_space_nonblank);
 263         INIT_TYPENAME(cntrl_space_blank);
 264         INIT_TYPENAME(cntrl_nonspace);
 265
 266         setvbuf(stdout, NULL, _IONBF, 0);
 267
 268         while (--argc) {
 269                 if (!setlocale(LC_CTYPE, *++argv)) {
 270                         printf("setlocale(LC_CTYPE,%s) failed!  Skipping this locale...\n", *argv);
 271                         continue;
 272                 }
 273
 274                 if (!(totitle = wctrans("totitle"))) {
 275                         printf("no totitle transformation.\n");
 276                 }
 277                 if (!(is_comb = wctype("combining"))) {
 278                         printf("no combining wctype.\n");
 279                 }
 280                 if (!(is_comb3 = wctype("combining_level3"))) {
 281                         printf("no combining_level3 wctype.\n");
 282                 }
 283
 284                 if (!built) {
 285                 built = 1;
 286                 ul_count = 1;
 287                 uldiff[0].u = uldiff[0].l = 0;
 288
 289                 memset(wct, 0, sizeof(wct));
 290                 memset(combt, 0, sizeof(combt));
 291                 memset(widtht, 0, sizeof(widtht));
 292
 293                 for (i = 0 ; i < 16 ; i++) {
 294                         typecount[i] = 0;
 295                 }
 296
 297                 for (c=0 ; c <= RANGE ; c++) {
 298                         if (iswdigit(c)) {
 299                                 d = __CTYPE_digit;
 300                         } else if (iswalpha(c)) {
 301                                 d = __CTYPE_alpha_nonupper_nonlower;
 302                                 if (iswlower(c)) {
 303                                         d = __CTYPE_alpha_lower;
 304                                         if (iswupper(c)) {
 305                                                 d = __CTYPE_alpha_upper_lower;
 306                                         }
 307                                 } else if (iswupper(c)) {
 308                                         d = __CTYPE_alpha_upper;
 309                                 }
 310                         } else if (iswpunct(c)) {
 311                                 d = __CTYPE_punct;
 312                         } else if (iswgraph(c)) {
 313                                 d = __CTYPE_graph;
 314                         } else if (iswprint(c)) {
 315                                 d = __CTYPE_print_space_nonblank;
 316                                 if (iswblank(c)) {
 317                                         d = __CTYPE_print_space_blank;
 318                                 }
 319                         } else if (iswspace(c) && !iswcntrl(c)) {
 320                                 d = __CTYPE_space_nonblank_noncntrl;
 321                                 if (iswblank(c)) {
 322                                         d = __CTYPE_space_blank_noncntrl;
 323                                 }
 324                         } else if (iswcntrl(c)) {
 325                                 d = __CTYPE_cntrl_nonspace;
 326                                 if (iswspace(c)) {
 327                                         d = __CTYPE_cntrl_space_nonblank;
 328                                         if (iswblank(c)) {
 329                                                 d = __CTYPE_cntrl_space_blank;
 330                                         }
 331                                 }
 332                         } else {
 333                                 d = __CTYPE_unclassified;
 334                         }
 335
 336                         ++typecount[d];
 337
 338 #if 0
 339                         if (iswspace(c)) {
 340                                 if (iswblank(c)) {
 341                                         printf("%#8x : space  blank\n", c);
 342                                 } else {
 343                                         printf("%#8x : space\n", c);
 344                                 }
 345                         }
 346 #endif
 347
 348 #if 0
 349                         if (c < 256) {
 350                                 unsigned int glibc;
 351
 352                                 glibc = 0;
 353                                 if (isalnum(c)) ++glibc; glibc <<= 1;
 354                                 if (isalpha(c)) ++glibc; glibc <<= 1;
 355                                 if (isblank(c)) ++glibc; glibc <<= 1;
 356                                 if (iscntrl(c)) ++glibc; glibc <<= 1;
 357                                 if (isdigit(c)) ++glibc; glibc <<= 1;
 358                                 if (isgraph(c)) ++glibc; glibc <<= 1;
 359                                 if (islower(c)) ++glibc; glibc <<= 1;
 360                                 if (isprint(c)) ++glibc; glibc <<= 1;
 361                                 if (ispunct(c)) ++glibc; glibc <<= 1;
 362                                 if (isspace(c)) ++glibc; glibc <<= 1;
 363                                 if (isupper(c)) ++glibc; glibc <<= 1;
 364                                 if (isxdigit(c)) ++glibc;
 365                                 printf("%#8x : ctype %#4x\n", c, glibc);
 366                         }
 367 #endif
 368
 369 #if 1
 370                         /* Paranoid checking... */
 371                         {
 372                                 unsigned int glibc;
 373                                 unsigned int mine;
 374
 375                                 glibc = 0;
 376                                 if (iswalnum(c)) ++glibc; glibc <<= 1;
 377                                 if (iswalpha(c)) ++glibc; glibc <<= 1;
 378                                 if (iswblank(c)) ++glibc; glibc <<= 1;
 379                                 if (iswcntrl(c)) ++glibc; glibc <<= 1;
 380                                 if (iswdigit(c)) ++glibc; glibc <<= 1;
 381                                 if (iswgraph(c)) ++glibc; glibc <<= 1;
 382                                 if (iswlower(c)) ++glibc; glibc <<= 1;
 383                                 if (iswprint(c)) ++glibc; glibc <<= 1;
 384                                 if (iswpunct(c)) ++glibc; glibc <<= 1;
 385                                 if (iswspace(c)) ++glibc; glibc <<= 1;
 386                                 if (iswupper(c)) ++glibc; glibc <<= 1;
 387                                 if (iswxdigit(c)) ++glibc;
 388
 389                                 mine = 0;
 390                                 if (mywalnum(c)) ++mine; mine <<= 1;
 391                                 if (mywalpha(c)) ++mine; mine <<= 1;
 392                                 if (mywblank(c)) ++mine; mine <<= 1;
 393                                 if (mywcntrl(c)) ++mine; mine <<= 1;
 394                                 if (mywdigit(c)) ++mine; mine <<= 1;
 395                                 if (mywgraph(c)) ++mine; mine <<= 1;
 396                                 if (mywlower(c)) ++mine; mine <<= 1;
 397                                 if (mywprint(c)) ++mine; mine <<= 1;
 398                                 if (mywpunct(c)) ++mine; mine <<= 1;
 399                                 if (mywspace(c)) ++mine; mine <<= 1;
 400                                 if (mywupper(c)) ++mine; mine <<= 1;
 401                                 if (mywxdigit(c)) ++mine;
 402
 403                                 if (glibc != mine) {
 404                                         printf("%#8x : glibc %#4x != %#4x mine  %u\n", c, glibc, mine, d);
 405                                         return EXIT_FAILURE;
 406                                 }
 407
 408 #if 0
 409                                 if (iswctype(c,is_comb) || iswctype(c,is_comb3)) {
 410 /*                                      if (!iswpunct(c)) { */
 411                                                 printf("%#8x : %d %d %#4x\n",
 412                                                            c, iswctype(c,is_comb),iswctype(c,is_comb3), glibc);
 413 /*                                      } */
 414                                 }
 415 #endif
 416 #if 0
 417                                 if (iswctype(c,is_comb) || iswctype(c,is_comb3)) {
 418                                         if (!last_comb) {
 419                                                 printf("%#8x - ", c);
 420                                                 last_comb = c;
 421                                         } else if (last_comb + 1 < c) {
 422                                                 printf("%#8x\n%#8x - ", last_comb, c);
 423                                                 last_comb = c;
 424                                         } else {
 425                                                 last_comb = c;
 426                                         }
 427                                 }
 428 #endif
 429                         }
 430 #endif
 431
 432                         combt[c/4] |= ((((!!iswctype(c,is_comb)) << 1) | !!iswctype(c,is_comb3))
 433                                                    << ((c & 3) << 1));
 434 /*                      comb3t[c/8] |= ((!!iswctype(c,is_comb3)) << (c & 7)); */
 435
 436 /*                      widtht[c/4] |= (wcwidth(c) << ((c & 3) << 1)); */
 437
 438                         if (c & 1) {    /* Use the high nibble for odd numbered wchars. */
 439                                 d <<= 4;
 440                         }
 441                         wct[c/2] |= d;
 442
 443                         l = (long)(int) towlower(c) - c;
 444                         u = (long)(int) towupper(c) - c;
 445                         ult[c] = 0;
 446                         if (l || u) {
 447                                 if ((l != (short)l) || (u != (short)u)) {
 448                                         printf("range assumption error!  %x  %ld  %ld\n", c, l, u);
 449                                         return EXIT_FAILURE;
 450                                 }
 451                                 for (i=0 ; i < ul_count ; i++) {
 452                                         if ((l == uldiff[i].l) && (u == uldiff[i].u)) {
 453                                                 goto found;
 454                                         }
 455                                 }
 456                                 uldiff[ul_count].l = l;
 457                                 uldiff[ul_count].u = u;
 458                                 ++ul_count;
 459                                 if (ul_count > MAXTO) {
 460                                         printf("too many touppers/tolowers!\n");
 461                                         return EXIT_FAILURE;
 462                                 }
 463                         found:
 464                                 ult[c] = i;
 465                         }
 466                 }
 467
 468                 for (i = 0 ; i < 16 ; i++) {
 469                         printf("typecount[%2d] = %8ld  %s\n", i, typecount[i], typename[i]);
 470                 }
 471
 472                 printf("optimizing is* table..\n");
 473                 n = -1;
 474                 smallest = SIZE_MAX;
 475                 cttable.ii = NULL;
 476                 for (i=0 ; i < 14 ; i++) {
 477                         t = newopt(wct, (RANGE/2)+1, i, &cttable);
 478                         if (smallest >= t) {
 479                                 n = i;
 480                                 smallest = t;
 481 /*                      } else { */
 482 /*                              break; */
 483                         }
 484                 }
 485                 printf("smallest = %zu\n", smallest);
 486                 if (!(cttable.ii = malloc(smallest))) {
 487                         printf("couldn't allocate space!\n");
 488                         return EXIT_FAILURE;
 489                 }
 490                 smallest = SIZE_MAX;
 491                 newopt(wct, (RANGE/2)+1, n, &cttable);
 492                 ++cttable.ti_shift;             /* correct for nibble mode */
 493
 494
 495
 496                 printf("optimizing u/l-to table..\n");
 497                 smallest = SIZE_MAX;
 498                 ultable.ii = NULL;
 499                 for (i=0 ; i < 14 ; i++) {
 500                         t = newopt(ult, RANGE+1, i, &ultable);
 501                         if (smallest >= t) {
 502                                 n = i;
 503                                 smallest = t;
 504 /*                      } else { */
 505 /*                              break; */
 506                         }
 507                 }
 508                 printf("%zu (smallest) + %zu (u/l diffs) = %zu\n",
 509                            smallest, 4 * ul_count, smallest + 4 * ul_count);
 510                 printf("smallest = %zu\n", smallest);
 511                 if (!(ultable.ii = malloc(smallest))) {
 512                         printf("couldn't allocate space!\n");
 513                         return EXIT_FAILURE;
 514                 }
 515                 smallest = SIZE_MAX;
 516                 newopt(ult, RANGE+1, n, &ultable);
 517
 518
 519 #if 0
 520                 printf("optimizing comb table..\n");
 521                 smallest = SIZE_MAX;
 522                 combtable.ii = NULL;
 523                 for (i=0 ; i < 14 ; i++) {
 524                         t = newopt(combt, sizeof(combt), i, &combtable);
 525                         if (smallest >= t) {
 526                                 n = i;
 527                                 smallest = t;
 528 /*                      } else { */
 529 /*                              break; */
 530                         }
 531                 }
 532                 printf("smallest = %zu\n", smallest);
 533                 if (!(combtable.ii = malloc(smallest))) {
 534                         printf("couldn't allocate space!\n");
 535                         return EXIT_FAILURE;
 536                 }
 537                 smallest = SIZE_MAX;
 538                 newopt(combt, sizeof(combt), n, &combtable);
 539                 combtable.ti_shift += 4; /* correct for 4 entries per */
 540 #endif
 541
 542
 543 #if 0
 544                 printf("optimizing width table..\n");
 545                 smallest = SIZE_MAX;
 546                 widthtable.ii = NULL;
 547                 for (i=0 ; i < 14 ; i++) {
 548                         t = newopt(widtht, sizeof(widtht), i, &widthtable);
 549                         if (smallest >= t) {
 550                                 n = i;
 551                                 smallest = t;
 552 /*                      } else { */
 553 /*                              break; */
 554                         }
 555                 }
 556                 printf("smallest = %zu\n", smallest);
 557                 if (!(widthtable.ii = malloc(smallest))) {
 558                         printf("couldn't allocate space!\n");
 559                         return EXIT_FAILURE;
 560                 }
 561                 smallest = SIZE_MAX;
 562                 newopt(widtht, sizeof(widtht), n, &widthtable);
 563                 widthtable.ti_shift += 4; /* correct for 4 entries per */
 564 #endif
 565
 566 #if 0
 567                 printf("optimizing comb3 table..\n");
 568                 smallest = SIZE_MAX;
 569                 comb3table.ii = NULL;
 570                 for (i=0 ; i < 14 ; i++) {
 571                         t = newopt(comb3t, sizeof(comb3t), i, &comb3table);
 572                         if (smallest >= t) {
 573                                 n = i;
 574                                 smallest = t;
 575 /*                      } else { */
 576 /*                              break; */
 577                         }
 578                 }
 579                 printf("smallest = %zu\n", smallest);
 580                 if (!(comb3table.ii = malloc(smallest))) {
 581                         printf("couldn't allocate space!\n");
 582                         return EXIT_FAILURE;
 583                 }
 584                 smallest = SIZE_MAX;
 585                 newopt(comb3t, sizeof(comb3t), n, &comb3table);
 586                 comb3table.ti_shift += 8; /* correct for 4 entries per */
 587 #endif
 588
 589                 dump_table_data(&cttable);
 590                 dump_table_data(&ultable);
 591                 dump_table_data(&combtable);
 592                 }
 593
 594                 printf("verifying for %s...\n", *argv);
 595 #if RANGE == 0xffffU
 596                 for (c=0 ; c <= 0xffffUL ; c++)
 597 #else
 598                 for (c=0 ; c <= 0x10ffffUL ; c++)
 599 #endif
 600                         {
 601                         unsigned int glibc;
 602                         unsigned int mine;
 603                         unsigned int upper, lower;
 604
 605 #if 0
 606 #if RANGE < 0x10000UL
 607                         if (c == 0x10000UL) {
 608                                 c = 0x30000UL;  /* skip 1st and 2nd sup planes */
 609                         }
 610 #elif RANGE < 0x20000UL
 611                         if (c == 0x20000UL) {
 612                                 c = 0x30000UL;  /* skip 2nd sup planes */
 613                         }
 614 #endif
 615 #endif
 616
 617                         glibc = 0;
 618                         if (iswalnum(c)) ++glibc; glibc <<= 1;
 619                         if (iswalpha(c)) ++glibc; glibc <<= 1;
 620                         if (iswblank(c)) ++glibc; glibc <<= 1;
 621                         if (iswcntrl(c)) ++glibc; glibc <<= 1;
 622                         if (iswdigit(c)) ++glibc; glibc <<= 1;
 623                         if (iswgraph(c)) ++glibc; glibc <<= 1;
 624                         if (iswlower(c)) ++glibc; glibc <<= 1;
 625                         if (iswprint(c)) ++glibc; glibc <<= 1;
 626                         if (iswpunct(c)) ++glibc; glibc <<= 1;
 627                         if (iswspace(c)) ++glibc; glibc <<= 1;
 628                         if (iswupper(c)) ++glibc; glibc <<= 1;
 629                         if (iswxdigit(c)) ++glibc;
 630
 631                         {
 632                                 unsigned int u;
 633                                 int n, sc;
 634                                 int i0, i1;
 635
 636                                 u = c;
 637                                 if (u <= RANGE) {
 638                                         sc = u & ((1 << cttable.ti_shift) - 1);
 639                                         u >>= cttable.ti_shift;
 640                                         n = u & ((1 << cttable.ii_shift) - 1);
 641                                         u >>= cttable.ii_shift;
 642
 643                                         i0 = cttable.ii[u];
 644                                         i0 <<= cttable.ii_shift;
 645                                         i1 = cttable.ti[i0 + n];
 646                                         i1 <<= (cttable.ti_shift-1);
 647                                         d = cttable.ut[i1 + (sc >> 1)];
 648
 649                                         if (sc & 1) {
 650                                                 d >>= 4;
 651                                         }
 652                                         d &= 0x0f;
 653                                 } else if ((((unsigned int)(c - 0xe0020UL)) <= 0x5f) || (c == 0xe0001UL)){
 654                                         d = __CTYPE_punct;
 655                                 } else if (((unsigned int)(c - 0xf0000UL)) < 0x20000UL) {
 656                                         if ((c & 0xffffU) <= 0xfffdU) {
 657                                                 d = __CTYPE_punct;
 658                                         } else {
 659                                                 d = __CTYPE_unclassified;
 660                                         }
 661                                 } else {
 662                                         d = __CTYPE_unclassified;
 663                                 }
 664
 665                         mine = 0;
 666                         if (mywalnum(c)) ++mine; mine <<= 1;
 667                         if (mywalpha(c)) ++mine; mine <<= 1;
 668                         if (mywblank(c)) ++mine; mine <<= 1;
 669                         if (mywcntrl(c)) ++mine; mine <<= 1;
 670                         if (mywdigit(c)) ++mine; mine <<= 1;
 671                         if (mywgraph(c)) ++mine; mine <<= 1;
 672                         if (mywlower(c)) ++mine; mine <<= 1;
 673                         if (mywprint(c)) ++mine; mine <<= 1;
 674                         if (mywpunct(c)) ++mine; mine <<= 1;
 675                         if (mywspace(c)) ++mine; mine <<= 1;
 676                         if (mywupper(c)) ++mine; mine <<= 1;
 677                         if (mywxdigit(c)) ++mine;
 678
 679                         if (glibc != mine) {
 680                                 printf("%#8x : glibc %#4x != %#4x mine %d\n", c, glibc, mine, d);
 681                                 if (c < 0x30000UL) {
 682                                         printf("sc=%#x u=%#x n=%#x i0=%#x i1=%#x\n", sc, u, n, i0, i1);
 683                                 }
 684                         }
 685                                 upper = lower = u = c;
 686                                 if (u <= RANGE) {
 687                                         sc = u & ((1 << ultable.ti_shift) - 1);
 688                                         u >>= ultable.ti_shift;
 689                                         n = u & ((1 << ultable.ii_shift) - 1);
 690                                         u >>= ultable.ii_shift;
 691
 692                                         i0 = ultable.ii[u];
 693                                         i0 <<= ultable.ii_shift;
 694                                         i1 = ultable.ti[i0 + n];
 695                                         i1 <<= (ultable.ti_shift);
 696                                         i1 += sc;
 697                                         i0 = ultable.ut[i1];
 698                                         upper = c + uldiff[i0].u;
 699                                         lower = c + uldiff[i0].l;
 700                                 }
 701
 702                         if (towupper(c) != upper) {
 703                                 printf("%#8x : towupper glibc %#4x != %#4x mine\n",
 704                                            c, towupper(c), upper);
 705                         }
 706
 707                         if (towlower(c) != lower) {
 708                                 printf("%#8x : towlower glibc %#4x != %#4x mine   i0 = %d\n",
 709                                            c, towlower(c), lower, i0);
 710                         }
 711
 712                         if (totitle && ((tt = towctrans(c, totitle)) != upper)) {
 713                                 printf("%#8x : totitle glibc %#4lx != %#4x mine   i0 = %d\n",
 714                                            c, tt, upper, i0);
 715                         }
 716                         }
 717
 718
 719                         if ((c & 0xfff) == 0xfff) printf(".");
 720                 }
 721                 printf("done\n");
 722         }
 723
 724         if (1) {
 725                 FILE *fp;
 726
 727                 if (!(fp = fopen("wctables.h", "w"))) {
 728                         printf("couldn't open wctables.h!\n");
 729                         return EXIT_FAILURE;
 730                 }
 731
 732                 fprintf(fp, "#define __LOCALE_DATA_WC_TABLE_DOMAIN_MAX  %#8lx\n\n",
 733                                 (unsigned long) RANGE);
 734                 output_table(fp, "ctype", &cttable);
 735                 output_table(fp, "uplow", &ultable);
 736
 737
 738 #warning fix the upper bound on the upper/lower tables... save 200 bytes or so
 739                 fprintf(fp, "#define __LOCALE_DATA_WCuplow_diffs  %7u\n", ul_count);
 740                 fprintf(fp, "\n#ifdef WANT_WCuplow_diff_data\n\n");
 741                 fprintf(fp, "\nstatic const short __LOCALE_DATA_WCuplow_diff_data[%zu] = {",
 742                            2 * (size_t) ul_count);
 743                 for (i=0 ; i < ul_count ; i++) {
 744                         if (i % 4 == 0) {
 745                                 fprintf(fp, "\n");
 746                         }
 747                         fprintf(fp, " %6d, %6d,", uldiff[i].u, uldiff[i].l);
 748                 }
 749                 fprintf(fp, "\n};\n\n");
 750                 fprintf(fp, "#endif /* WANT_WCuplow_diff_data */\n\n");
 751
 752
 753 /*              output_table(fp, "comb", &combtable); */
 754 /*              output_table(fp, "width", &widthtable); */
 755
 756                 fclose(fp);
 757         }
 758
 759         return EXIT_SUCCESS;
 760 }
 761
 762 size_t newopt(unsigned char *ut, size_t usize, int shift, table_data *tbl)
 763 {
 764         static int recurse = 0;
 765         unsigned char *ti[RANGE+1];     /* table index */
 766         size_t numblocks;
 767         size_t blocksize;
 768         size_t uniq;
 769         size_t i, j;
 770         size_t smallest, t;
 771         unsigned char *ii_save;
 772         int uniqblock[256];
 773         unsigned char uit[RANGE+1];
 774         int shift2;
 775
 776         memset(uniqblock, 0x00, sizeof(uniqblock));
 777
 778         ii_save = NULL;
 779         blocksize = 1 << shift;
 780         numblocks = usize >> shift;
 781
 782         /* init table index */
 783         for (i=j=0 ; i < numblocks ; i++) {
 784                 ti[i] = ut + j;
 785                 j += blocksize;
 786         }
 787
 788         /* sort */
 789         nu_val = blocksize;
 790         qsort(ti, numblocks, sizeof(unsigned char *), nu_memcmp);
 791
 792         uniq = 1;
 793         uit[(ti[0]-ut)/blocksize] = 0;
 794         for (i=1 ; i < numblocks ; i++) {
 795                 if (memcmp(ti[i-1], ti[i], blocksize) < 0) {
 796                         if (++uniq > 255) {
 797                                 break;
 798                         }
 799                         uniqblock[uniq - 1] = i;
 800                 }
 801 #if 1
 802                 else if (memcmp(ti[i-1], ti[i], blocksize) > 0) {
 803                         printf("bad sort %i!\n", i);
 804                         abort();
 805                 }
 806 #endif
 807                 uit[(ti[i]-ut)/blocksize] = uniq - 1;
 808         }
 809
 810         smallest = SIZE_MAX;
 811         shift2 = -1;
 812         if (uniq <= 255) {
 813                 smallest = numblocks + uniq * blocksize;
 814                 if (!recurse) {
 815                         ++recurse;
 816                         for (j=1 ; j < 14 ; j++) {
 817                                 if ((numblocks >> j) < 2) break;
 818                                 if (tbl) {
 819                                         ii_save = tbl->ii;
 820                                         tbl->ii = NULL;
 821                                 }
 822                                 if ((t = newopt(uit, numblocks, j, tbl)) < SIZE_MAX) {
 823                                         t += uniq * blocksize;
 824                                 }
 825                                 if (tbl) {
 826                                         tbl->ii = ii_save;
 827                                 }
 828                                 if (smallest >= t) {
 829                                         shift2 = j;
 830                                         smallest = t;
 831                                         if (!tbl->ii) {
 832                                                 printf("ishift %zu  tshift %zu  size %zu\n",
 833                                                            shift2, shift, t);
 834                                         }
 835 /*                              } else { */
 836 /*                                      break; */
 837                                 }
 838                         }
 839                         --recurse;
 840                 }
 841         } else {
 842                 return SIZE_MAX;
 843         }
 844
 845         if (tbl->ii) {
 846                 if (recurse) {
 847                         tbl->ii_shift = shift;
 848                         tbl->ii_len = numblocks;
 849                         memcpy(tbl->ii, uit, numblocks);
 850                         tbl->ti = tbl->ii + tbl->ii_len;
 851                         tbl->ti_len = uniq * blocksize;
 852                         for (i=0 ; i < uniq ; i++) {
 853                                 memcpy(tbl->ti + i * blocksize, ti[uniqblock[i]], blocksize);
 854                         }
 855                 } else {
 856                         ++recurse;
 857                         printf("setting ishift %zu  tshift %zu\n",
 858                                                            shift2, shift);
 859                         newopt(uit, numblocks, shift2, tbl);
 860                         --recurse;
 861                         tbl->ti_shift = shift;
 862                         tbl->ut_len = uniq * blocksize;
 863                         tbl->ut = tbl->ti + tbl->ti_len;
 864                         for (i=0 ; i < uniq ; i++) {
 865                                 memcpy(tbl->ut + i * blocksize, ti[uniqblock[i]], blocksize);
 866                         }
 867                 }
 868         }
 869         return smallest;
 870 }