1  /* Test re.translate != NULL.
       2     Copyright (C) 2004-2023 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 <ctype.h>
      20  #include <locale.h>
      21  #include <regex.h>
      22  #include <stdio.h>
      23  #include <string.h>
      24  
      25  int
      26  main (void)
      27  {
      28    struct re_pattern_buffer re;
      29    char trans[256];
      30    int i, result = 0;
      31    const char *s;
      32  
      33    setlocale (LC_ALL, "de_DE.ISO-8859-1");
      34  
      35    for (i = 0; i < 256; ++i)
      36      trans[i] = tolower (i);
      37  
      38    re_set_syntax (RE_SYNTAX_POSIX_EGREP);
      39  
      40    memset (&re, 0, sizeof (re));
      41    re.translate = (unsigned char *) trans;
      42    s = re_compile_pattern ("\\W", 2, &re);
      43  
      44    if (s != NULL)
      45      {
      46        printf ("failed to compile pattern \"\\W\": %s\n", s);
      47        result = 1;
      48      }
      49    else
      50      {
      51        int ret = re_search (&re, "abc.de", 6, 0, 6, NULL);
      52        if (ret != 3)
      53  	{
      54  	  printf ("1st re_search returned %d\n", ret);
      55  	  result = 1;
      56  	}
      57  
      58        ret = re_search (&re, "\xc4\xd6\xae\xf7", 4, 0, 4, NULL);
      59        if (ret != 2)
      60  	{
      61  	  printf ("2nd re_search returned %d\n", ret);
      62  	  result = 1;
      63  	}
      64        re.translate = NULL;
      65        regfree (&re);
      66      }
      67  
      68    memset (&re, 0, sizeof (re));
      69    re.translate = (unsigned char *) trans;
      70    s = re_compile_pattern ("\\w", 2, &re);
      71  
      72    if (s != NULL)
      73      {
      74        printf ("failed to compile pattern \"\\w\": %s\n", s);
      75        result = 1;
      76      }
      77    else
      78      {
      79        int ret = re_search (&re, ".,!abc", 6, 0, 6, NULL);
      80        if (ret != 3)
      81  	{
      82  	  printf ("3rd re_search returned %d\n", ret);
      83  	  result = 1;
      84  	}
      85  
      86        ret = re_search (&re, "\xae\xf7\xc4\xd6", 4, 0, 4, NULL);
      87        if (ret != 2)
      88  	{
      89  	  printf ("4th re_search returned %d\n", ret);
      90  	  result = 1;
      91  	}
      92        re.translate = NULL;
      93        regfree (&re);
      94      }
      95  
      96    memset (&re, 0, sizeof (re));
      97    re.translate = (unsigned char *) trans;
      98    s = re_compile_pattern ("[[:DIGIT:]]", 11, &re);
      99    if (s == NULL)
     100      {
     101        puts ("compilation of \"[[:DIGIT:]]\" pattern unexpectedly succeeded: "
     102  	    "length 11");
     103        result = 1;
     104      }
     105  
     106    memset (&re, 0, sizeof (re));
     107    re.translate = (unsigned char *) trans;
     108    s = re_compile_pattern ("[[:DIGIT:]]", 2, &re);
     109    if (s == NULL)
     110      {
     111        puts ("compilation of \"[[:DIGIT:]]\" pattern unexpectedly succeeded: "
     112  	    "length 2");
     113        result = 1;
     114      }
     115  
     116    return result;
     117  }