tests/test-mbrtowc-w32.c

   1 /* Test of conversion of multibyte character to wide character.
   2    Copyright (C) 2008-2025 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <wchar.h>
  20
  21 #include <errno.h>
  22 #include <locale.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "localcharset.h"
  28 #include "macros.h"
  29
  30 #if defined _WIN32 && !defined __CYGWIN__
  31
  32 static int
  33 test_one_locale (const char *name, int codepage)
  34 {
  35   mbstate_t state;
  36   wchar_t wc;
  37   size_t ret;
  38
  39 # if 1
  40   /* Portable code to set the locale.  */
  41   {
  42     char name_with_codepage[1024];
  43
  44     sprintf (name_with_codepage, "%s.%d", name, codepage);
  45
  46     /* Set the locale.  */
  47     if (setlocale (LC_ALL, name_with_codepage) == NULL)
  48       return 77;
  49   }
  50 # else
  51   /* Hacky way to set a locale.codepage combination that setlocale() refuses
  52      to set.  */
  53   {
  54     /* Codepage of the current locale, set with setlocale().
  55        Not necessarily the same as GetACP().  */
  56     extern __declspec(dllimport) unsigned int __lc_codepage;
  57
  58     /* Set the locale.  */
  59     if (setlocale (LC_ALL, name) == NULL)
  60       return 77;
  61
  62     /* Clobber the codepage and MB_CUR_MAX, both set by setlocale().  */
  63     __lc_codepage = codepage;
  64     switch (codepage)
  65       {
  66       case 1252:
  67       case 1256:
  68         MB_CUR_MAX = 1;
  69         break;
  70       case 932:
  71       case 950:
  72       case 936:
  73         MB_CUR_MAX = 2;
  74         break;
  75       case 54936:
  76       case 65001:
  77         MB_CUR_MAX = 4;
  78         break;
  79       }
  80
  81     /* Test whether the codepage is really available.  */
  82     memset (&state, '\0', sizeof (mbstate_t));
  83     if (mbrtowc (&wc, " ", 1, &state) == (size_t)(-1))
  84       return 77;
  85   }
  86 # endif
  87
  88   /* Test zero-length input.  */
  89   {
  90     memset (&state, '\0', sizeof (mbstate_t));
  91     wc = (wchar_t) 0xBADFACE;
  92     ret = mbrtowc (&wc, "x", 0, &state);
  93     /* gnulib's implementation returns (size_t)(-2).
  94        The AIX 5.1 implementation returns (size_t)(-1).
  95        glibc's implementation returns 0.  */
  96     ASSERT (ret == (size_t)(-2) || ret == (size_t)(-1) || ret == 0);
  97     ASSERT (mbsinit (&state));
  98   }
  99
 100   /* Test NUL byte input.  */
 101   {
 102     memset (&state, '\0', sizeof (mbstate_t));
 103     wc = (wchar_t) 0xBADFACE;
 104     ret = mbrtowc (&wc, "", 1, &state);
 105     ASSERT (ret == 0);
 106     ASSERT (wc == 0);
 107     ASSERT (mbsinit (&state));
 108     ret = mbrtowc (NULL, "", 1, &state);
 109     ASSERT (ret == 0);
 110     ASSERT (mbsinit (&state));
 111   }
 112
 113   /* Test single-byte input.  */
 114   {
 115     int c;
 116     char buf[1];
 117
 118     memset (&state, '\0', sizeof (mbstate_t));
 119     for (c = 0; c < 0x100; c++)
 120       switch (c)
 121         {
 122         case '\t': case '\v': case '\f':
 123         case ' ': case '!': case '"': case '#': case '%':
 124         case '&': case '\'': case '(': case ')': case '*':
 125         case '+': case ',': case '-': case '.': case '/':
 126         case '0': case '1': case '2': case '3': case '4':
 127         case '5': case '6': case '7': case '8': case '9':
 128         case ':': case ';': case '<': case '=': case '>':
 129         case '?':
 130         case 'A': case 'B': case 'C': case 'D': case 'E':
 131         case 'F': case 'G': case 'H': case 'I': case 'J':
 132         case 'K': case 'L': case 'M': case 'N': case 'O':
 133         case 'P': case 'Q': case 'R': case 'S': case 'T':
 134         case 'U': case 'V': case 'W': case 'X': case 'Y':
 135         case 'Z':
 136         case '[': case '\\': case ']': case '^': case '_':
 137         case 'a': case 'b': case 'c': case 'd': case 'e':
 138         case 'f': case 'g': case 'h': case 'i': case 'j':
 139         case 'k': case 'l': case 'm': case 'n': case 'o':
 140         case 'p': case 'q': case 'r': case 's': case 't':
 141         case 'u': case 'v': case 'w': case 'x': case 'y':
 142         case 'z': case '{': case '|': case '}': case '~':
 143           /* c is in the ISO C "basic character set".  */
 144           buf[0] = c;
 145           wc = (wchar_t) 0xBADFACE;
 146           ret = mbrtowc (&wc, buf, 1, &state);
 147           ASSERT (ret == 1);
 148           ASSERT (wc == c);
 149           ASSERT (mbsinit (&state));
 150           ret = mbrtowc (NULL, buf, 1, &state);
 151           ASSERT (ret == 1);
 152           ASSERT (mbsinit (&state));
 153           break;
 154         }
 155   }
 156
 157   /* Test special calling convention, passing a NULL pointer.  */
 158   {
 159     memset (&state, '\0', sizeof (mbstate_t));
 160     wc = (wchar_t) 0xBADFACE;
 161     ret = mbrtowc (&wc, NULL, 5, &state);
 162     ASSERT (ret == 0);
 163     ASSERT (wc == (wchar_t) 0xBADFACE);
 164     ASSERT (mbsinit (&state));
 165   }
 166
 167   switch (codepage)
 168     {
 169     case 1252:
 170       /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
 171       {
 172         char input[] = "B\374\337er"; /* "Büßer" */
 173         memset (&state, '\0', sizeof (mbstate_t));
 174
 175         wc = (wchar_t) 0xBADFACE;
 176         ret = mbrtowc (&wc, input, 1, &state);
 177         ASSERT (ret == 1);
 178         ASSERT (wc == 'B');
 179         ASSERT (mbsinit (&state));
 180         input[0] = '\0';
 181
 182         wc = (wchar_t) 0xBADFACE;
 183         ret = mbrtowc (&wc, input + 1, 1, &state);
 184         ASSERT (ret == 1);
 185         ASSERT (wctob (wc) == (unsigned char) '\374');
 186         ASSERT (wc == 0x00FC);
 187         ASSERT (mbsinit (&state));
 188         input[1] = '\0';
 189
 190         /* Test support of NULL first argument.  */
 191         ret = mbrtowc (NULL, input + 2, 3, &state);
 192         ASSERT (ret == 1);
 193         ASSERT (mbsinit (&state));
 194
 195         wc = (wchar_t) 0xBADFACE;
 196         ret = mbrtowc (&wc, input + 2, 3, &state);
 197         ASSERT (ret == 1);
 198         ASSERT (wctob (wc) == (unsigned char) '\337');
 199         ASSERT (wc == 0x00DF);
 200         ASSERT (mbsinit (&state));
 201         input[2] = '\0';
 202
 203         wc = (wchar_t) 0xBADFACE;
 204         ret = mbrtowc (&wc, input + 3, 2, &state);
 205         ASSERT (ret == 1);
 206         ASSERT (wc == 'e');
 207         ASSERT (mbsinit (&state));
 208         input[3] = '\0';
 209
 210         wc = (wchar_t) 0xBADFACE;
 211         ret = mbrtowc (&wc, input + 4, 1, &state);
 212         ASSERT (ret == 1);
 213         ASSERT (wc == 'r');
 214         ASSERT (mbsinit (&state));
 215       }
 216       return 0;
 217
 218     case 1256:
 219       /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
 220       {
 221         char input[] = "x\302\341\346y"; /* "xآلوy" */
 222         memset (&state, '\0', sizeof (mbstate_t));
 223
 224         wc = (wchar_t) 0xBADFACE;
 225         ret = mbrtowc (&wc, input, 1, &state);
 226         ASSERT (ret == 1);
 227         ASSERT (wc == 'x');
 228         ASSERT (mbsinit (&state));
 229         input[0] = '\0';
 230
 231         wc = (wchar_t) 0xBADFACE;
 232         ret = mbrtowc (&wc, input + 1, 1, &state);
 233         ASSERT (ret == 1);
 234         ASSERT (wctob (wc) == (unsigned char) '\302');
 235         ASSERT (wc == 0x0622);
 236         ASSERT (mbsinit (&state));
 237         input[1] = '\0';
 238
 239         /* Test support of NULL first argument.  */
 240         ret = mbrtowc (NULL, input + 2, 3, &state);
 241         ASSERT (ret == 1);
 242         ASSERT (mbsinit (&state));
 243
 244         wc = (wchar_t) 0xBADFACE;
 245         ret = mbrtowc (&wc, input + 2, 3, &state);
 246         ASSERT (ret == 1);
 247         ASSERT (wctob (wc) == (unsigned char) '\341');
 248         ASSERT (wc == 0x0644);
 249         ASSERT (mbsinit (&state));
 250         input[2] = '\0';
 251
 252         wc = (wchar_t) 0xBADFACE;
 253         ret = mbrtowc (&wc, input + 3, 2, &state);
 254         ASSERT (ret == 1);
 255         ASSERT (wctob (wc) == (unsigned char) '\346');
 256         ASSERT (wc == 0x0648);
 257         ASSERT (mbsinit (&state));
 258         input[3] = '\0';
 259
 260         wc = (wchar_t) 0xBADFACE;
 261         ret = mbrtowc (&wc, input + 4, 1, &state);
 262         ASSERT (ret == 1);
 263         ASSERT (wc == 'y');
 264         ASSERT (mbsinit (&state));
 265       }
 266       return 0;
 267
 268     case 65001:
 269       /* Locale encoding is CP65001 = UTF-8.  */
 270       if (strcmp (locale_charset (), "UTF-8") != 0)
 271         return 77;
 272       {
 273         char input[] = "B\303\274\303\237er"; /* "Büßer" */
 274         memset (&state, '\0', sizeof (mbstate_t));
 275
 276         wc = (wchar_t) 0xBADFACE;
 277         ret = mbrtowc (&wc, input, 1, &state);
 278         ASSERT (ret == 1);
 279         ASSERT (wc == 'B');
 280         ASSERT (mbsinit (&state));
 281         input[0] = '\0';
 282
 283         wc = (wchar_t) 0xBADFACE;
 284         ret = mbrtowc (&wc, input + 1, 1, &state);
 285         ASSERT (ret == (size_t)(-2));
 286         ASSERT (wc == (wchar_t) 0xBADFACE);
 287         ASSERT (!mbsinit (&state));
 288         input[1] = '\0';
 289
 290         wc = (wchar_t) 0xBADFACE;
 291         ret = mbrtowc (&wc, input + 2, 5, &state);
 292         ASSERT (ret == 1);
 293         ASSERT (wctob (wc) == EOF);
 294         ASSERT (wc == 0x00FC);
 295         ASSERT (mbsinit (&state));
 296         input[2] = '\0';
 297
 298         /* Test support of NULL first argument.  */
 299         ret = mbrtowc (NULL, input + 3, 4, &state);
 300         ASSERT (ret == 2);
 301         ASSERT (mbsinit (&state));
 302
 303         wc = (wchar_t) 0xBADFACE;
 304         ret = mbrtowc (&wc, input + 3, 4, &state);
 305         ASSERT (ret == 2);
 306         ASSERT (wctob (wc) == EOF);
 307         ASSERT (wc == 0x00DF);
 308         ASSERT (mbsinit (&state));
 309         input[3] = '\0';
 310         input[4] = '\0';
 311
 312         wc = (wchar_t) 0xBADFACE;
 313         ret = mbrtowc (&wc, input + 5, 2, &state);
 314         ASSERT (ret == 1);
 315         ASSERT (wc == 'e');
 316         ASSERT (mbsinit (&state));
 317         input[5] = '\0';
 318
 319         wc = (wchar_t) 0xBADFACE;
 320         ret = mbrtowc (&wc, input + 6, 1, &state);
 321         ASSERT (ret == 1);
 322         ASSERT (wc == 'r');
 323         ASSERT (mbsinit (&state));
 324
 325         /* Test some invalid input.  */
 326         memset (&state, '\0', sizeof (mbstate_t));
 327         wc = (wchar_t) 0xBADFACE;
 328         ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
 329         ASSERT (ret == (size_t)-1);
 330         ASSERT (errno == EILSEQ);
 331
 332         memset (&state, '\0', sizeof (mbstate_t));
 333         wc = (wchar_t) 0xBADFACE;
 334         ret = mbrtowc (&wc, "\303\300", 2, &state); /* 0xC3 0xC0 */
 335         ASSERT (ret == (size_t)-1);
 336         ASSERT (errno == EILSEQ);
 337
 338         memset (&state, '\0', sizeof (mbstate_t));
 339         wc = (wchar_t) 0xBADFACE;
 340         ret = mbrtowc (&wc, "\343\300", 2, &state); /* 0xE3 0xC0 */
 341         ASSERT (ret == (size_t)-1);
 342         ASSERT (errno == EILSEQ);
 343
 344         memset (&state, '\0', sizeof (mbstate_t));
 345         wc = (wchar_t) 0xBADFACE;
 346         ret = mbrtowc (&wc, "\343\300\200", 3, &state); /* 0xE3 0xC0 0x80 */
 347         ASSERT (ret == (size_t)-1);
 348         ASSERT (errno == EILSEQ);
 349
 350         memset (&state, '\0', sizeof (mbstate_t));
 351         wc = (wchar_t) 0xBADFACE;
 352         ret = mbrtowc (&wc, "\343\200\300", 3, &state); /* 0xE3 0x80 0xC0 */
 353         ASSERT (ret == (size_t)-1);
 354         ASSERT (errno == EILSEQ);
 355
 356         memset (&state, '\0', sizeof (mbstate_t));
 357         wc = (wchar_t) 0xBADFACE;
 358         ret = mbrtowc (&wc, "\363\300", 2, &state); /* 0xF3 0xC0 */
 359         ASSERT (ret == (size_t)-1);
 360         ASSERT (errno == EILSEQ);
 361
 362         memset (&state, '\0', sizeof (mbstate_t));
 363         wc = (wchar_t) 0xBADFACE;
 364         ret = mbrtowc (&wc, "\363\300\200\200", 4, &state); /* 0xF3 0xC0 0x80 0x80 */
 365         ASSERT (ret == (size_t)-1);
 366         ASSERT (errno == EILSEQ);
 367
 368         memset (&state, '\0', sizeof (mbstate_t));
 369         wc = (wchar_t) 0xBADFACE;
 370         ret = mbrtowc (&wc, "\363\200\300", 3, &state); /* 0xF3 0x80 0xC0 */
 371         ASSERT (ret == (size_t)-1);
 372         ASSERT (errno == EILSEQ);
 373
 374         memset (&state, '\0', sizeof (mbstate_t));
 375         wc = (wchar_t) 0xBADFACE;
 376         ret = mbrtowc (&wc, "\363\200\300\200", 4, &state); /* 0xF3 0x80 0xC0 0x80 */
 377         ASSERT (ret == (size_t)-1);
 378         ASSERT (errno == EILSEQ);
 379
 380         memset (&state, '\0', sizeof (mbstate_t));
 381         wc = (wchar_t) 0xBADFACE;
 382         ret = mbrtowc (&wc, "\363\200\200\300", 4, &state); /* 0xF3 0x80 0x80 0xC0 */
 383         ASSERT (ret == (size_t)-1);
 384         ASSERT (errno == EILSEQ);
 385       }
 386       return 0;
 387
 388     case 932:
 389       /* Locale encoding is CP932, similar to Shift_JIS.  */
 390       {
 391         char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
 392         memset (&state, '\0', sizeof (mbstate_t));
 393
 394         wc = (wchar_t) 0xBADFACE;
 395         ret = mbrtowc (&wc, input, 1, &state);
 396         ASSERT (ret == 1);
 397         ASSERT (wc == '<');
 398         ASSERT (mbsinit (&state));
 399         input[0] = '\0';
 400
 401         wc = (wchar_t) 0xBADFACE;
 402         ret = mbrtowc (&wc, input + 1, 2, &state);
 403         ASSERT (ret == 2);
 404         ASSERT (wctob (wc) == EOF);
 405         ASSERT (wc == 0x65E5);
 406         ASSERT (mbsinit (&state));
 407         input[1] = '\0';
 408         input[2] = '\0';
 409
 410         wc = (wchar_t) 0xBADFACE;
 411         ret = mbrtowc (&wc, input + 3, 1, &state);
 412         ASSERT (ret == (size_t)(-2));
 413         ASSERT (wc == (wchar_t) 0xBADFACE);
 414         ASSERT (!mbsinit (&state));
 415         input[3] = '\0';
 416
 417         wc = (wchar_t) 0xBADFACE;
 418         ret = mbrtowc (&wc, input + 4, 4, &state);
 419         ASSERT (ret == 1);
 420         ASSERT (wctob (wc) == EOF);
 421         ASSERT (wc == 0x672C);
 422         ASSERT (mbsinit (&state));
 423         input[4] = '\0';
 424
 425         /* Test support of NULL first argument.  */
 426         ret = mbrtowc (NULL, input + 5, 3, &state);
 427         ASSERT (ret == 2);
 428         ASSERT (mbsinit (&state));
 429
 430         wc = (wchar_t) 0xBADFACE;
 431         ret = mbrtowc (&wc, input + 5, 3, &state);
 432         ASSERT (ret == 2);
 433         ASSERT (wctob (wc) == EOF);
 434         ASSERT (wc == 0x8A9E);
 435         ASSERT (mbsinit (&state));
 436         input[5] = '\0';
 437         input[6] = '\0';
 438
 439         wc = (wchar_t) 0xBADFACE;
 440         ret = mbrtowc (&wc, input + 7, 1, &state);
 441         ASSERT (ret == 1);
 442         ASSERT (wc == '>');
 443         ASSERT (mbsinit (&state));
 444
 445         /* Test some invalid input.  */
 446         memset (&state, '\0', sizeof (mbstate_t));
 447         wc = (wchar_t) 0xBADFACE;
 448         ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
 449         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 450
 451         memset (&state, '\0', sizeof (mbstate_t));
 452         wc = (wchar_t) 0xBADFACE;
 453         ret = mbrtowc (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 454         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == 0x30FB));
 455       }
 456       return 0;
 457
 458     case 950:
 459       /* Locale encoding is CP950, similar to Big5.  */
 460       {
 461         char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
 462         memset (&state, '\0', sizeof (mbstate_t));
 463
 464         wc = (wchar_t) 0xBADFACE;
 465         ret = mbrtowc (&wc, input, 1, &state);
 466         ASSERT (ret == 1);
 467         ASSERT (wc == '<');
 468         ASSERT (mbsinit (&state));
 469         input[0] = '\0';
 470
 471         wc = (wchar_t) 0xBADFACE;
 472         ret = mbrtowc (&wc, input + 1, 2, &state);
 473         ASSERT (ret == 2);
 474         ASSERT (wctob (wc) == EOF);
 475         ASSERT (wc == 0x65E5);
 476         ASSERT (mbsinit (&state));
 477         input[1] = '\0';
 478         input[2] = '\0';
 479
 480         wc = (wchar_t) 0xBADFACE;
 481         ret = mbrtowc (&wc, input + 3, 1, &state);
 482         ASSERT (ret == (size_t)(-2));
 483         ASSERT (wc == (wchar_t) 0xBADFACE);
 484         ASSERT (!mbsinit (&state));
 485         input[3] = '\0';
 486
 487         wc = (wchar_t) 0xBADFACE;
 488         ret = mbrtowc (&wc, input + 4, 4, &state);
 489         ASSERT (ret == 1);
 490         ASSERT (wctob (wc) == EOF);
 491         ASSERT (wc == 0x672C);
 492         ASSERT (mbsinit (&state));
 493         input[4] = '\0';
 494
 495         /* Test support of NULL first argument.  */
 496         ret = mbrtowc (NULL, input + 5, 3, &state);
 497         ASSERT (ret == 2);
 498         ASSERT (mbsinit (&state));
 499
 500         wc = (wchar_t) 0xBADFACE;
 501         ret = mbrtowc (&wc, input + 5, 3, &state);
 502         ASSERT (ret == 2);
 503         ASSERT (wctob (wc) == EOF);
 504         ASSERT (wc == 0x8A9E);
 505         ASSERT (mbsinit (&state));
 506         input[5] = '\0';
 507         input[6] = '\0';
 508
 509         wc = (wchar_t) 0xBADFACE;
 510         ret = mbrtowc (&wc, input + 7, 1, &state);
 511         ASSERT (ret == 1);
 512         ASSERT (wc == '>');
 513         ASSERT (mbsinit (&state));
 514
 515         /* Test some invalid input.  */
 516         memset (&state, '\0', sizeof (mbstate_t));
 517         wc = (wchar_t) 0xBADFACE;
 518         ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
 519         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 520
 521         memset (&state, '\0', sizeof (mbstate_t));
 522         wc = (wchar_t) 0xBADFACE;
 523         ret = mbrtowc (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 524         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
 525       }
 526       return 0;
 527
 528     case 936:
 529       /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
 530       {
 531         char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
 532         memset (&state, '\0', sizeof (mbstate_t));
 533
 534         wc = (wchar_t) 0xBADFACE;
 535         ret = mbrtowc (&wc, input, 1, &state);
 536         ASSERT (ret == 1);
 537         ASSERT (wc == '<');
 538         ASSERT (mbsinit (&state));
 539         input[0] = '\0';
 540
 541         wc = (wchar_t) 0xBADFACE;
 542         ret = mbrtowc (&wc, input + 1, 2, &state);
 543         ASSERT (ret == 2);
 544         ASSERT (wctob (wc) == EOF);
 545         ASSERT (wc == 0x65E5);
 546         ASSERT (mbsinit (&state));
 547         input[1] = '\0';
 548         input[2] = '\0';
 549
 550         wc = (wchar_t) 0xBADFACE;
 551         ret = mbrtowc (&wc, input + 3, 1, &state);
 552         ASSERT (ret == (size_t)(-2));
 553         ASSERT (wc == (wchar_t) 0xBADFACE);
 554         ASSERT (!mbsinit (&state));
 555         input[3] = '\0';
 556
 557         wc = (wchar_t) 0xBADFACE;
 558         ret = mbrtowc (&wc, input + 4, 4, &state);
 559         ASSERT (ret == 1);
 560         ASSERT (wctob (wc) == EOF);
 561         ASSERT (wc == 0x672C);
 562         ASSERT (mbsinit (&state));
 563         input[4] = '\0';
 564
 565         /* Test support of NULL first argument.  */
 566         ret = mbrtowc (NULL, input + 5, 3, &state);
 567         ASSERT (ret == 2);
 568         ASSERT (mbsinit (&state));
 569
 570         wc = (wchar_t) 0xBADFACE;
 571         ret = mbrtowc (&wc, input + 5, 3, &state);
 572         ASSERT (ret == 2);
 573         ASSERT (wctob (wc) == EOF);
 574         ASSERT (wc == 0x8A9E);
 575         ASSERT (mbsinit (&state));
 576         input[5] = '\0';
 577         input[6] = '\0';
 578
 579         wc = (wchar_t) 0xBADFACE;
 580         ret = mbrtowc (&wc, input + 7, 1, &state);
 581         ASSERT (ret == 1);
 582         ASSERT (wc == '>');
 583         ASSERT (mbsinit (&state));
 584
 585         /* Test some invalid input.  */
 586         memset (&state, '\0', sizeof (mbstate_t));
 587         wc = (wchar_t) 0xBADFACE;
 588         ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
 589         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 590
 591         memset (&state, '\0', sizeof (mbstate_t));
 592         wc = (wchar_t) 0xBADFACE;
 593         ret = mbrtowc (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 594         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
 595       }
 596       return 0;
 597
 598     case 54936:
 599       /* Locale encoding is CP54936 = GB18030.  */
 600       if (strcmp (locale_charset (), "GB18030") != 0)
 601         return 77;
 602       {
 603         char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
 604         memset (&state, '\0', sizeof (mbstate_t));
 605
 606         wc = (wchar_t) 0xBADFACE;
 607         ret = mbrtowc (&wc, input, 1, &state);
 608         ASSERT (ret == 1);
 609         ASSERT (wc == 'B');
 610         ASSERT (mbsinit (&state));
 611         input[0] = '\0';
 612
 613         wc = (wchar_t) 0xBADFACE;
 614         ret = mbrtowc (&wc, input + 1, 1, &state);
 615         ASSERT (ret == (size_t)(-2));
 616         ASSERT (wc == (wchar_t) 0xBADFACE);
 617         ASSERT (!mbsinit (&state));
 618         input[1] = '\0';
 619
 620         wc = (wchar_t) 0xBADFACE;
 621         ret = mbrtowc (&wc, input + 2, 7, &state);
 622         ASSERT (ret == 1);
 623         ASSERT (wctob (wc) == EOF);
 624         ASSERT (wc == 0x00FC);
 625         ASSERT (mbsinit (&state));
 626         input[2] = '\0';
 627
 628         /* Test support of NULL first argument.  */
 629         ret = mbrtowc (NULL, input + 3, 6, &state);
 630         ASSERT (ret == 4);
 631         ASSERT (mbsinit (&state));
 632
 633         wc = (wchar_t) 0xBADFACE;
 634         ret = mbrtowc (&wc, input + 3, 6, &state);
 635         ASSERT (ret == 4);
 636         ASSERT (wctob (wc) == EOF);
 637         ASSERT (wc == 0x00DF);
 638         ASSERT (mbsinit (&state));
 639         input[3] = '\0';
 640         input[4] = '\0';
 641         input[5] = '\0';
 642         input[6] = '\0';
 643
 644         wc = (wchar_t) 0xBADFACE;
 645         ret = mbrtowc (&wc, input + 7, 2, &state);
 646         ASSERT (ret == 1);
 647         ASSERT (wc == 'e');
 648         ASSERT (mbsinit (&state));
 649         input[7] = '\0';
 650
 651         wc = (wchar_t) 0xBADFACE;
 652         ret = mbrtowc (&wc, input + 8, 1, &state);
 653         ASSERT (ret == 1);
 654         ASSERT (wc == 'r');
 655         ASSERT (mbsinit (&state));
 656
 657         /* Test some invalid input.  */
 658         memset (&state, '\0', sizeof (mbstate_t));
 659         wc = (wchar_t) 0xBADFACE;
 660         ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
 661         ASSERT (ret == (size_t)-1);
 662         ASSERT (errno == EILSEQ);
 663
 664         memset (&state, '\0', sizeof (mbstate_t));
 665         wc = (wchar_t) 0xBADFACE;
 666         ret = mbrtowc (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 667         ASSERT (ret == (size_t)-1);
 668         ASSERT (errno == EILSEQ);
 669
 670         memset (&state, '\0', sizeof (mbstate_t));
 671         wc = (wchar_t) 0xBADFACE;
 672         ret = mbrtowc (&wc, "\201\045", 2, &state); /* 0x81 0x25 */
 673         ASSERT (ret == (size_t)-1);
 674         ASSERT (errno == EILSEQ);
 675
 676         memset (&state, '\0', sizeof (mbstate_t));
 677         wc = (wchar_t) 0xBADFACE;
 678         ret = mbrtowc (&wc, "\201\060\377", 3, &state); /* 0x81 0x30 0xFF */
 679         ASSERT (ret == (size_t)-1);
 680         ASSERT (errno == EILSEQ);
 681
 682         memset (&state, '\0', sizeof (mbstate_t));
 683         wc = (wchar_t) 0xBADFACE;
 684         ret = mbrtowc (&wc, "\201\060\377\064", 4, &state); /* 0x81 0x30 0xFF 0x34 */
 685         ASSERT (ret == (size_t)-1);
 686         ASSERT (errno == EILSEQ);
 687
 688         memset (&state, '\0', sizeof (mbstate_t));
 689         wc = (wchar_t) 0xBADFACE;
 690         ret = mbrtowc (&wc, "\201\060\211\072", 4, &state); /* 0x81 0x30 0x89 0x3A */
 691         ASSERT (ret == (size_t)-1);
 692         ASSERT (errno == EILSEQ);
 693       }
 694       return 0;
 695
 696     default:
 697       return 1;
 698     }
 699 }
 700
 701 int
 702 main (int argc, char *argv[])
 703 {
 704   int codepage = atoi (argv[argc - 1]);
 705   int result;
 706   int i;
 707
 708   result = 77;
 709   for (i = 1; i < argc - 1; i++)
 710     {
 711       int ret = test_one_locale (argv[i], codepage);
 712
 713       if (ret != 77)
 714         result = ret;
 715     }
 716
 717   if (result == 77)
 718     {
 719       if (test_exit_status != EXIT_SUCCESS)
 720         return test_exit_status;
 721       fprintf (stderr, "Skipping test: found no locale with codepage %d\n",
 722                codepage);
 723     }
 724   return (result ? result : test_exit_status);
 725 }
 726
 727 #else
 728
 729 int
 730 main (int argc, char *argv[])
 731 {
 732   fputs ("Skipping test: not a native Windows system\n", stderr);
 733   return 77;
 734 }
 735
 736 #endif