posix/bug-regex19.c

   1 /* Regular expression tests.
   2    Copyright (C) 2003-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sys/types.h>
  20 #include <mcheck.h>
  21 #include <regex.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <locale.h>
  26 #include <libc-diag.h>
  27 #include <support/support.h>
  28
  29 #define BRE RE_SYNTAX_POSIX_BASIC
  30 #define ERE RE_SYNTAX_POSIX_EXTENDED
  31
  32 static struct test_s
  33 {
  34   int syntax;
  35   const char *pattern;
  36   const char *string;
  37   int start, res;
  38 } tests[] = {
  39   {BRE, "\\<A", "CBAA", 0, -1},
  40   {BRE, "\\<A", "CBAA", 2, -1},
  41   {BRE, "A\\>", "CAAB", 1, -1},
  42   {BRE, "\\bA", "CBAA", 0, -1},
  43   {BRE, "\\bA", "CBAA", 2, -1},
  44   {BRE, "A\\b", "CAAB", 1, -1},
  45   {BRE, "\\<A", "AA", 0, 0},
  46   {BRE, "\\<A", "C-AA", 2, 2},
  47   {BRE, "A\\>", "CAA-", 1, 2},
  48   {BRE, "A\\>", "CAA", 1, 2},
  49   {BRE, "\\bA", "AA", 0, 0},
  50   {BRE, "\\bA", "C-AA", 2, 2},
  51   {BRE, "A\\b", "CAA-", 1, 2},
  52   {BRE, "A\\b", "CAA", 1, 2},
  53   {BRE, "\\<[A]", "CBAA", 0, -1},
  54   {BRE, "\\<[A]", "CBAA", 2, -1},
  55   {BRE, "[A]\\>", "CAAB", 1, -1},
  56   {BRE, "\\b[A]", "CBAA", 0, -1},
  57   {BRE, "\\b[A]", "CBAA", 2, -1},
  58   {BRE, "[A]\\b", "CAAB", 1, -1},
  59   {BRE, "\\<[A]", "AA", 0, 0},
  60   {BRE, "\\<[A]", "C-AA", 2, 2},
  61   {BRE, "[A]\\>", "CAA-", 1, 2},
  62   {BRE, "[A]\\>", "CAA", 1, 2},
  63   {BRE, "\\b[A]", "AA", 0, 0},
  64   {BRE, "\\b[A]", "C-AA", 2, 2},
  65   {BRE, "[A]\\b", "CAA-", 1, 2},
  66   {BRE, "[A]\\b", "CAA", 1, 2},
  67   {ERE, "\\b(A|!|.B)", "A=AC", 0, 0},
  68   {ERE, "\\b(A|!|.B)", "=AC", 0, 1},
  69   {ERE, "\\b(A|!|.B)", "!AC", 0, 1},
  70   {ERE, "\\b(A|!|.B)", "=AB", 0, 1},
  71   {ERE, "\\b(A|!|.B)", "DA!C", 0, 2},
  72   {ERE, "\\b(A|!|.B)", "=CB", 0, 1},
  73   {ERE, "\\b(A|!|.B)", "!CB", 0, 1},
  74   {ERE, "\\b(A|!|.B)", "D,B", 0, 1},
  75   {ERE, "\\b(A|!|.B)", "!.C", 0, -1},
  76   {ERE, "\\b(A|!|.B)", "BCB", 0, -1},
  77   {ERE, "(A|\\b)(A|B|C)", "DAAD", 0, 1},
  78   {ERE, "(A|\\b)(A|B|C)", "DABD", 0, 1},
  79   {ERE, "(A|\\b)(A|B|C)", "AD", 0, 0},
  80   {ERE, "(A|\\b)(A|B|C)", "C!", 0, 0},
  81   {ERE, "(A|\\b)(A|B|C)", "D,B", 0, 2},
  82   {ERE, "(A|\\b)(A|B|C)", "DA?A", 0, 3},
  83   {ERE, "(A|\\b)(A|B|C)", "BBC", 0, 0},
  84   {ERE, "(A|\\b)(A|B|C)", "DA", 0, -1},
  85   {ERE, "(!|\\b)(!|=|~)", "A!=\\", 0, 1},
  86   {ERE, "(!|\\b)(!|=|~)", "/!=A", 0, 1},
  87   {ERE, "(!|\\b)(!|=|~)", "A=A", 0, 1},
  88   {ERE, "(!|\\b)(!|=|~)", "==!=", 0, 2},
  89   {ERE, "(!|\\b)(!|=|~)", "==C~", 0, 3},
  90   {ERE, "(!|\\b)(!|=|~)", "=~=", 0, -1},
  91   {ERE, "(!|\\b)(!|=|~)", "~!", 0, -1},
  92   {ERE, "(!|\\b)(!|=|~)", "~=~", 0, -1},
  93   {ERE, "(\\b|A.)[ABC]", "AC", 0, 0},
  94   {ERE, "(\\b|A.)[ABC]", "=A", 0, 1},
  95   {ERE, "(\\b|A.)[ABC]", "DACC", 0, 1},
  96   {ERE, "(\\b|A.)[A~C]", "AC", 0, 0},
  97   {ERE, "(\\b|A.)[A~C]", "=A", 0, 1},
  98   {ERE, "(\\b|A.)[A~C]", "DACC", 0, 1},
  99   {ERE, "(\\b|A.)[A~C]", "B!A=", 0, 2},
 100   {ERE, "(\\b|A.)[A~C]", "B~C", 0, 1},
 101   {ERE, ".\\b.", "AA~", 0, 1},
 102   {ERE, ".\\b.", "=A=", 0, 0},
 103   {ERE, ".\\b.", "==", 0, -1},
 104   {ERE, ".\\b.", "ABA", 0, -1},
 105   {ERE, "[^k]\\b[^k]", "AA~", 0, 1},
 106   {ERE, "[^k]\\b[^k]", "=A=", 0, 0},
 107   {ERE, "[^k]\\b[^k]", "Ak~kA~", 0, 4},
 108   {ERE, "[^k]\\b[^k]", "==", 0, -1},
 109   {ERE, "[^k]\\b[^k]", "ABA", 0, -1},
 110   {ERE, "[^k]\\b[^k]", "Ak~", 0, -1},
 111   {ERE, "[^k]\\b[^k]", "k=k", 0, -1},
 112   {ERE, "[^C]\\b[^C]", "AA~", 0, 1},
 113   {ERE, "[^C]\\b[^C]", "=A=", 0, 0},
 114   {ERE, "[^C]\\b[^C]", "AC~CA~", 0, 4},
 115   {ERE, "[^C]\\b[^C]", "==", 0, -1},
 116   {ERE, "[^C]\\b[^C]", "ABA", 0, -1},
 117   {ERE, "[^C]\\b[^C]", "AC~", 0, -1},
 118   {ERE, "[^C]\\b[^C]", "C=C", 0, -1},
 119   {ERE, "\\<(A|!|.B)", "A=AC", 0, 0},
 120   {ERE, "\\<(A|!|.B)", "=AC", 0, 1},
 121   {ERE, "\\<(A|!|.B)", "!AC", 0, 1},
 122   {ERE, "\\<(A|!|.B)", "=AB", 0, 1},
 123   {ERE, "\\<(A|!|.B)", "=CB", 0, 1},
 124   {ERE, "\\<(A|!|.B)", "!CB", 0, 1},
 125   {ERE, "\\<(A|!|.B)", "DA!C", 0, -1},
 126   {ERE, "\\<(A|!|.B)", "D,B", 0, -1},
 127   {ERE, "\\<(A|!|.B)", "!.C", 0, -1},
 128   {ERE, "\\<(A|!|.B)", "BCB", 0, -1},
 129   {ERE, "(A|\\<)(A|B|C)", "DAAD", 0, 1},
 130   {ERE, "(A|\\<)(A|B|C)", "DABD", 0, 1},
 131   {ERE, "(A|\\<)(A|B|C)", "AD", 0, 0},
 132   {ERE, "(A|\\<)(A|B|C)", "C!", 0, 0},
 133   {ERE, "(A|\\<)(A|B|C)", "D,B", 0, 2},
 134   {ERE, "(A|\\<)(A|B|C)", "DA?A", 0, 3},
 135   {ERE, "(A|\\<)(A|B|C)", "BBC", 0, 0},
 136   {ERE, "(A|\\<)(A|B|C)", "DA", 0, -1},
 137   {ERE, "(!|\\<)(!|=|~)", "A!=\\", 0, 1},
 138   {ERE, "(!|\\<)(!|=|~)", "/!=A", 0, 1},
 139   {ERE, "(!|\\<)(!|=|~)", "==!=", 0, 2},
 140   {ERE, "(!|\\<)(!|=|~)", "==C~", 0, -1},
 141   {ERE, "(!|\\<)(!|=|~)", "A=A", 0, -1},
 142   {ERE, "(!|\\<)(!|=|~)", "=~=", 0, -1},
 143   {ERE, "(!|\\<)(!|=|~)", "~!", 0, -1},
 144   {ERE, "(!|\\<)(!|=|~)", "~=~", 0, -1},
 145   {ERE, "(\\<|A.)[ABC]", "AC", 0, 0},
 146   {ERE, "(\\<|A.)[ABC]", "=A", 0, 1},
 147   {ERE, "(\\<|A.)[ABC]", "DACC", 0, 1},
 148   {ERE, "(\\<|A.)[A~C]", "AC", 0, 0},
 149   {ERE, "(\\<|A.)[A~C]", "=A", 0, 1},
 150   {ERE, "(\\<|A.)[A~C]", "DACC", 0, 1},
 151   {ERE, "(\\<|A.)[A~C]", "B!A=", 0, 2},
 152   {ERE, "(\\<|A.)[A~C]", "B~C", 0, 2},
 153   {ERE, ".\\<.", "=A=", 0, 0},
 154   {ERE, ".\\<.", "AA~", 0, -1},
 155   {ERE, ".\\<.", "==", 0, -1},
 156   {ERE, ".\\<.", "ABA", 0, -1},
 157   {ERE, "[^k]\\<[^k]", "=k=A=", 0, 2},
 158   {ERE, "[^k]\\<[^k]", "kk~", 0, -1},
 159   {ERE, "[^k]\\<[^k]", "==", 0, -1},
 160   {ERE, "[^k]\\<[^k]", "ABA", 0, -1},
 161   {ERE, "[^k]\\<[^k]", "=k=", 0, -1},
 162   {ERE, "[^C]\\<[^C]", "=C=A=", 0, 2},
 163   {ERE, "[^C]\\<[^C]", "CC~", 0, -1},
 164   {ERE, "[^C]\\<[^C]", "==", 0, -1},
 165   {ERE, "[^C]\\<[^C]", "ABA", 0, -1},
 166   {ERE, "[^C]\\<[^C]", "=C=", 0, -1},
 167   {ERE, ".\\B.", "ABA", 0, 0},
 168   {ERE, ".\\B.", "=BDC", 0, 1},
 169   {ERE, "[^k]\\B[^k]", "kkkABA", 0, 3},
 170   {ERE, "[^k]\\B[^k]", "kBk", 0, -1},
 171   {ERE, "[^C]\\B[^C]", "CCCABA", 0, 3},
 172   {ERE, "[^C]\\B[^C]", "CBC", 0, -1},
 173   {ERE, ".(\\b|\\B).", "=~AB", 0, 0},
 174   {ERE, ".(\\b|\\B).", "A=C", 0, 0},
 175   {ERE, ".(\\b|\\B).", "ABC", 0, 0},
 176   {ERE, ".(\\b|\\B).", "=~\\!", 0, 0},
 177   {ERE, "[^k](\\b|\\B)[^k]", "=~AB", 0, 0},
 178   {ERE, "[^k](\\b|\\B)[^k]", "A=C", 0, 0},
 179   {ERE, "[^k](\\b|\\B)[^k]", "ABC", 0, 0},
 180   {ERE, "[^k](\\b|\\B)[^k]", "=~kBD", 0, 0},
 181   {ERE, "[^k](\\b|\\B)[^k]", "=~\\!", 0, 0},
 182   {ERE, "[^k](\\b|\\B)[^k]", "=~kB", 0, 0},
 183   {ERE, "[^C](\\b|\\B)[^C]", "=~AB", 0, 0},
 184   {ERE, "[^C](\\b|\\B)[^C]", "A=C", 0, 0},
 185   {ERE, "[^C](\\b|\\B)[^C]", "ABC", 0, 0},
 186   {ERE, "[^C](\\b|\\B)[^C]", "=~CBD", 0, 0},
 187   {ERE, "[^C](\\b|\\B)[^C]", "=~\\!", 0, 0},
 188   {ERE, "[^C](\\b|\\B)[^C]", "=~CB", 0, 0},
 189   {ERE, "\\b([A]|[!]|.B)", "A=AC", 0, 0},
 190   {ERE, "\\b([A]|[!]|.B)", "=AC", 0, 1},
 191   {ERE, "\\b([A]|[!]|.B)", "!AC", 0, 1},
 192   {ERE, "\\b([A]|[!]|.B)", "=AB", 0, 1},
 193   {ERE, "\\b([A]|[!]|.B)", "DA!C", 0, 2},
 194   {ERE, "\\b([A]|[!]|.B)", "=CB", 0, 1},
 195   {ERE, "\\b([A]|[!]|.B)", "!CB", 0, 1},
 196   {ERE, "\\b([A]|[!]|.B)", "D,B", 0, 1},
 197   {ERE, "\\b([A]|[!]|.B)", "!.C", 0, -1},
 198   {ERE, "\\b([A]|[!]|.B)", "BCB", 0, -1},
 199   {ERE, "([A]|\\b)([A]|[B]|[C])", "DAAD", 0, 1},
 200   {ERE, "([A]|\\b)([A]|[B]|[C])", "DABD", 0, 1},
 201   {ERE, "([A]|\\b)([A]|[B]|[C])", "AD", 0, 0},
 202   {ERE, "([A]|\\b)([A]|[B]|[C])", "C!", 0, 0},
 203   {ERE, "([A]|\\b)([A]|[B]|[C])", "D,B", 0, 2},
 204   {ERE, "([A]|\\b)([A]|[B]|[C])", "DA?A", 0, 3},
 205   {ERE, "([A]|\\b)([A]|[B]|[C])", "BBC", 0, 0},
 206   {ERE, "([A]|\\b)([A]|[B]|[C])", "DA", 0, -1},
 207   {ERE, "([!]|\\b)([!]|[=]|[~])", "A!=\\", 0, 1},
 208   {ERE, "([!]|\\b)([!]|[=]|[~])", "/!=A", 0, 1},
 209   {ERE, "([!]|\\b)([!]|[=]|[~])", "A=A", 0, 1},
 210   {ERE, "([!]|\\b)([!]|[=]|[~])", "==!=", 0, 2},
 211   {ERE, "([!]|\\b)([!]|[=]|[~])", "==C~", 0, 3},
 212   {ERE, "([!]|\\b)([!]|[=]|[~])", "=~=", 0, -1},
 213   {ERE, "([!]|\\b)([!]|[=]|[~])", "~!", 0, -1},
 214   {ERE, "([!]|\\b)([!]|[=]|[~])", "~=~", 0, -1},
 215   {ERE, "\\<([A]|[!]|.B)", "A=AC", 0, 0},
 216   {ERE, "\\<([A]|[!]|.B)", "=AC", 0, 1},
 217   {ERE, "\\<([A]|[!]|.B)", "!AC", 0, 1},
 218   {ERE, "\\<([A]|[!]|.B)", "=AB", 0, 1},
 219   {ERE, "\\<([A]|[!]|.B)", "=CB", 0, 1},
 220   {ERE, "\\<([A]|[!]|.B)", "!CB", 0, 1},
 221   {ERE, "\\<([A]|[!]|.B)", "DA!C", 0, -1},
 222   {ERE, "\\<([A]|[!]|.B)", "D,B", 0, -1},
 223   {ERE, "\\<([A]|[!]|.B)", "!.C", 0, -1},
 224   {ERE, "\\<([A]|[!]|.B)", "BCB", 0, -1},
 225   {ERE, "([A]|\\<)([A]|[B]|[C])", "DAAD", 0, 1},
 226   {ERE, "([A]|\\<)([A]|[B]|[C])", "DABD", 0, 1},
 227   {ERE, "([A]|\\<)([A]|[B]|[C])", "AD", 0, 0},
 228   {ERE, "([A]|\\<)([A]|[B]|[C])", "C!", 0, 0},
 229   {ERE, "([A]|\\<)([A]|[B]|[C])", "D,B", 0, 2},
 230   {ERE, "([A]|\\<)([A]|[B]|[C])", "DA?A", 0, 3},
 231   {ERE, "([A]|\\<)([A]|[B]|[C])", "BBC", 0, 0},
 232   {ERE, "([A]|\\<)([A]|[B]|[C])", "DA", 0, -1},
 233   {ERE, "([!]|\\<)([!=]|[~])", "A!=\\", 0, 1},
 234   {ERE, "([!]|\\<)([!=]|[~])", "/!=A", 0, 1},
 235   {ERE, "([!]|\\<)([!=]|[~])", "==!=", 0, 2},
 236   {ERE, "([!]|\\<)([!=]|[~])", "==C~", 0, -1},
 237   {ERE, "([!]|\\<)([!=]|[~])", "A=A", 0, -1},
 238   {ERE, "([!]|\\<)([!=]|[~])", "=~=", 0, -1},
 239   {ERE, "([!]|\\<)([!=]|[~])", "~!", 0, -1},
 240   {ERE, "([!]|\\<)([!=]|[~])", "~=~", 0, -1},
 241   {ERE, "(\\<|[A].)[ABC]", "AC", 0, 0},
 242   {ERE, "(\\<|[A].)[ABC]", "=A", 0, 1},
 243   {ERE, "(\\<|[A].)[ABC]", "DACC", 0, 1},
 244   {ERE, "(\\<|[A].)[A~C]", "AC", 0, 0},
 245   {ERE, "(\\<|[A].)[A~C]", "=A", 0, 1},
 246   {ERE, "(\\<|[A].)[A~C]", "DACC", 0, 1},
 247   {ERE, "(\\<|[A].)[A~C]", "B!A=", 0, 2},
 248   {ERE, "(\\<|[A].)[A~C]", "B~C", 0, 2},
 249   {ERE, "^[^A]*\\bB", "==B", 0, 0},
 250   {ERE, "^[^A]*\\bB", "CBD!=B", 0, 0},
 251   {ERE, "[^A]*\\bB", "==B", 2, 2}
 252 };
 253
 254 int
 255 do_one_test (const struct test_s *test, const char *fail)
 256 {
 257   int res;
 258   const char *err;
 259   struct re_pattern_buffer regbuf;
 260
 261   re_set_syntax (test->syntax);
 262   memset (&regbuf, '\0', sizeof (regbuf));
 263   err = re_compile_pattern (test->pattern, strlen (test->pattern),
 264                             &regbuf);
 265   if (err != NULL)
 266     {
 267       printf ("%sre_compile_pattern \"%s\" failed: %s\n", fail, test->pattern,
 268               err);
 269       return 1;
 270     }
 271
 272 #if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
 273   DIAG_PUSH_NEEDS_COMMENT;
 274   /* Avoid GCC 10 false positive warning: specified size exceeds maximum
 275      object size.  */
 276   DIAG_IGNORE_NEEDS_COMMENT (10, "-Wstringop-overflow");
 277 #endif
 278   res = re_search (&regbuf, test->string, strlen (test->string),
 279                    test->start, strlen (test->string) - test->start, NULL);
 280 #if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
 281   DIAG_POP_NEEDS_COMMENT;
 282 #endif
 283   if (res != test->res)
 284     {
 285       printf ("%sre_search \"%s\" \"%s\" failed: %d (expected %d)\n",
 286               fail, test->pattern, test->string, res, test->res);
 287       regfree (&regbuf);
 288       return 1;
 289     }
 290
 291   if (test->res > 0 && test->start == 0)
 292     {
 293 #if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
 294   DIAG_PUSH_NEEDS_COMMENT;
 295   /* Avoid GCC 10 false positive warning: specified size exceeds maximum
 296      object size.  */
 297   DIAG_IGNORE_NEEDS_COMMENT (10, "-Wstringop-overflow");
 298 #endif
 299       res = re_search (&regbuf, test->string, strlen (test->string),
 300                        test->res, strlen (test->string) - test->res, NULL);
 301 #if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
 302   DIAG_POP_NEEDS_COMMENT;
 303 #endif
 304       if (res != test->res)
 305         {
 306           printf ("%sre_search from expected \"%s\" \"%s\" failed: %d (expected %d)\n",
 307                   fail, test->pattern, test->string, res, test->res);
 308           regfree (&regbuf);
 309           return 1;
 310         }
 311     }
 312
 313   regfree (&regbuf);
 314   return 0;
 315 }
 316
 317 static char *
 318 replace (char *p, char c)
 319 {
 320   switch (c)
 321     {
 322       /* A -> A" */
 323       case 'A': *p++ = '\xc3'; *p++ = '\x84'; break;
 324       /* B -> O" */
 325       case 'B': *p++ = '\xc3'; *p++ = '\x96'; break;
 326       /* C -> U" */
 327       case 'C': *p++ = '\xc3'; *p++ = '\x9c'; break;
 328       /* D -> a" */
 329       case 'D': *p++ = '\xc3'; *p++ = '\xa4'; break;
 330       /* ! -> MULTIPLICATION SIGN */
 331       case '!': *p++ = '\xc3'; *p++ = '\x97'; break;
 332       /* = -> EM DASH */
 333       case '=': *p++ = '\xe2'; *p++ = '\x80'; *p++ = '\x94'; break;
 334       /* ~ -> MUSICAL SYMBOL HALF NOTE */
 335       case '~': *p++ = '\xf0'; *p++ = '\x9d'; *p++ = '\x85'; *p++ = '\x9e';
 336       break;
 337     }
 338   return p;
 339 }
 340
 341 int
 342 do_mb_tests (const struct test_s *test)
 343 {
 344   int i, j;
 345   struct test_s t;
 346   const char *const chars = "ABCD!=~";
 347   char repl[8], *p;
 348   char pattern[strlen (test->pattern) * 4 + 1];
 349   char string[strlen (test->string) * 4 + 1];
 350   char fail[8 + sizeof ("UTF-8 ")];
 351
 352   t = *test;
 353   t.pattern = pattern;
 354   t.string = string;
 355   strcpy (fail, "UTF-8 ");
 356   for (i = 1; i < 128; ++i)
 357     {
 358       p = repl;
 359       for (j = 0; j < 7; ++j)
 360         if (i & (1 << j))
 361           {
 362             if (!strchr (test->pattern, chars[j])
 363                 && !strchr (test->string, chars[j]))
 364               break;
 365             *p++ = chars[j];
 366           }
 367       if (j < 7)
 368         continue;
 369       *p = '\0';
 370
 371       for (j = 0, p = pattern; test->pattern[j]; ++j)
 372         if (strchr (repl, test->pattern[j]))
 373           p = replace (p, test->pattern[j]);
 374         else if (test->pattern[j] == '\\' && test->pattern[j + 1])
 375           {
 376             *p++ = test->pattern[j++];
 377             *p++ = test->pattern[j];
 378           }
 379         else
 380           *p++ = test->pattern[j];
 381       *p = '\0';
 382
 383       t.start = test->start;
 384       t.res = test->res;
 385
 386       for (j = 0, p = string; test->string[j]; ++j)
 387         if (strchr (repl, test->string[j]))
 388           {
 389             char *d = replace (p, test->string[j]);
 390             if (test->start > j)
 391               t.start += d - p - 1;
 392             if (test->res > j)
 393               t.res += d - p - 1;
 394             p = d;
 395           }
 396         else
 397           *p++ = test->string[j];
 398       *p = '\0';
 399
 400       p = stpcpy (fail + strlen ("UTF-8 "), repl);
 401       *p++ = ' ';
 402       *p = '\0';
 403
 404       if (do_one_test (&t, fail))
 405         return 1;
 406     }
 407   return 0;
 408 }
 409
 410 static int
 411 do_test (void)
 412 {
 413   size_t i;
 414   int ret = 0;
 415
 416   mtrace ();
 417
 418   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
 419     {
 420       xsetlocale (LC_ALL, "de_DE.ISO-8859-1");
 421       ret |= do_one_test (&tests[i], "");
 422       xsetlocale (LC_ALL, "de_DE.UTF-8");
 423       ret |= do_one_test (&tests[i], "UTF-8 ");
 424       ret |= do_mb_tests (&tests[i]);
 425       xsetlocale (LC_ALL, "C.UTF-8");
 426       ret |= do_one_test (&tests[i], "UTF-8 ");
 427       ret |= do_mb_tests (&tests[i]);
 428     }
 429
 430   return ret;
 431 }
 432
 433 #include <support/test-driver.c>