extra/locale/gen_wctype.c

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