posix/bug-regex8.c

   1 /* Test for the STOP parameter of re_match_2 and re_search_2.
   2    Copyright (C) 2002-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Stepan Kasal <kasal@math.cas.cz>, 2002.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <locale.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <sys/types.h>
  25 #include <regex.h>
  26
  27
  28 int
  29 main (void)
  30 {
  31   struct re_pattern_buffer regex;
  32   const char *s;
  33   int match[4];
  34
  35   memset (&regex, '\0', sizeof (regex));
  36
  37   s = re_compile_pattern ("xy$", 3, &regex);
  38   if (s != NULL)
  39     {
  40       puts ("failed to compile pattern \"xy$\"");
  41       return 1;
  42     }
  43   else
  44     match[0] = re_match_2(&regex,"xyz",3,NULL,0,0,NULL,2);
  45
  46   free (regex.buffer);
  47   memset (&regex, '\0', sizeof (regex));
  48
  49   s = re_compile_pattern ("xy\\>", 4, &regex);
  50   if (s != NULL)
  51     {
  52       puts ("failed to compile pattern \"xy\\>\"");
  53       return 1;
  54     }
  55   else
  56     match[1] = re_search_2(&regex,"xyz",3,NULL,0,0,2,NULL,2);
  57
  58   free (regex.buffer);
  59   memset (&regex, '\0', sizeof (regex));
  60
  61   s = re_compile_pattern ("xy \\<", 5, &regex);
  62   if (s != NULL)
  63     {
  64       puts ("failed to compile pattern \"xy \\<\"");
  65       return 1;
  66     }
  67   else
  68     {
  69       match[2] = re_match_2(&regex,"xy  ",4,NULL,0,0,NULL,3);
  70       match[3] = re_match_2(&regex,"xy z",4,NULL,0,0,NULL,3);
  71     }
  72
  73   if (match[0] != -1 || match[1] != -1 || match[2] != -1 || match[3] != 3)
  74     {
  75       printf ("re_{match,search}_2 returned %d,%d,%d,%d, expected -1,-1,-1,3\n",
  76                 match[0], match[1], match[2], match[3]);
  77       return 1;
  78     }
  79
  80   puts (" -> OK");
  81
  82   return 0;
  83 }