1  /* Test for re_search_2.
       2     Copyright (C) 2001-2023 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 <locale.h>
      20  #include <stdio.h>
      21  #include <string.h>
      22  #include <regex.h>
      23  
      24  int
      25  main (void)
      26  {
      27    struct re_pattern_buffer regex;
      28    const char *s;
      29    int match[3];
      30    int result = 0;
      31  
      32    memset (&regex, '\0', sizeof (regex));
      33  
      34    printf ("INFO: Checking C.\n");
      35    setlocale (LC_ALL, "C");
      36  
      37    s = re_compile_pattern ("ab[cde]", 7, &regex);
      38    if (s != NULL)
      39      {
      40        puts ("re_compile_pattern returned non-NULL value");
      41        result = 1;
      42      }
      43    else
      44      {
      45        match[0] = re_search_2 (&regex, "xyabez", 6, "", 0, 1, 5, NULL, 6);
      46        match[1] = re_search_2 (&regex, NULL, 0, "abc", 3, 0, 3, NULL, 3);
      47        match[2] = re_search_2 (&regex, "xya", 3, "bd", 2, 2, 3, NULL, 5);
      48        if (match[0] != 2 || match[1] != 0 || match[2] != 2)
      49  	{
      50  	  printf ("re_search_2 returned %d,%d,%d, expected 2,0,2\n",
      51  		  match[0], match[1], match[2]);
      52  	  result = 1;
      53  	}
      54        else
      55  	puts (" -> OK");
      56      }
      57  
      58    printf ("INFO: Checking C.UTF-8.\n");
      59    setlocale (LC_ALL, "C.UTF-8");
      60  
      61    s = re_compile_pattern ("ab[cde]", 7, &regex);
      62    if (s != NULL)
      63      {
      64        puts ("re_compile_pattern returned non-NULL value");
      65        result = 1;
      66      }
      67    else
      68      {
      69        match[0] = re_search_2 (&regex, "xyabez", 6, "", 0, 1, 5, NULL, 6);
      70        match[1] = re_search_2 (&regex, NULL, 0, "abc", 3, 0, 3, NULL, 3);
      71        match[2] = re_search_2 (&regex, "xya", 3, "bd", 2, 2, 3, NULL, 5);
      72        if (match[0] != 2 || match[1] != 0 || match[2] != 2)
      73  	{
      74  	  printf ("re_search_2 returned %d,%d,%d, expected 2,0,2\n",
      75  		  match[0], match[1], match[2]);
      76  	  result = 1;
      77  	}
      78        else
      79  	puts (" -> OK");
      80      }
      81  
      82    return result;
      83  }