posix/bug-regex10.c

   1 /* Test for re_match with non-zero start.
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 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, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <locale.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <regex.h>
  25
  26 int
  27 main (void)
  28 {
  29   struct re_pattern_buffer regex;
  30   struct re_registers regs;
  31   const char *s;
  32   int match;
  33   int result = 0;
  34
  35   regs.num_regs = 1;
  36   memset (&regex, '\0', sizeof (regex));
  37   s = re_compile_pattern ("[abc]*d", 7, &regex);
  38   if (s != NULL)
  39     {
  40       puts ("re_compile_pattern return non-NULL value");
  41       result = 1;
  42     }
  43   else
  44     {
  45       match = re_match (&regex, "foacabdxy", 9, 2, &regs);
  46       if (match != 5)
  47         {
  48           printf ("re_match returned %d, expected 5\n", match);
  49           result = 1;
  50         }
  51       else if (regs.start[0] != 2 || regs.end[0] != 7)
  52         {
  53           printf ("re_match returned %d..%d, expected 2..7\n",
  54                   regs.start[0], regs.end[0]);
  55           result = 1;
  56         }
  57         puts (" -> OK");
  58     }
  59
  60   return result;
  61 }