posix/bug-regex13.c

   1 /* Regular expression tests.
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Isamu Hasegawa <isamu@yamato.ibm.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 <sys/types.h>
  22 #include <mcheck.h>
  23 #include <regex.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 static struct
  28 {
  29   int syntax;
  30   const char *pattern;
  31   const char *string;
  32   int start;
  33 } tests[] = {
  34   {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "1", -1}, /* It should not match.  */
  35   {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "-", 0}, /* It should match.  */
  36 };
  37
  38 int
  39 main (void)
  40 {
  41   struct re_pattern_buffer regbuf;
  42   const char *err;
  43   size_t i;
  44   int ret = 0;
  45
  46   mtrace ();
  47
  48   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  49     {
  50       int start;
  51       re_set_syntax (tests[i].syntax);
  52       memset (&regbuf, '\0', sizeof (regbuf));
  53       err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern),
  54                                 &regbuf);
  55       if (err != NULL)
  56         {
  57           printf ("re_compile_pattern failed: %s\n", err);
  58           ret = 1;
  59           continue;
  60         }
  61
  62       start = re_search (&regbuf, tests[i].string, strlen (tests[i].string),
  63                          0, strlen (tests[i].string), NULL);
  64       if (start != tests[i].start)
  65         {
  66           printf ("re_search failed %d\n", start);
  67           ret = 1;
  68           regfree (&regbuf);
  69           continue;
  70         }
  71       regfree (&regbuf);
  72     }
  73
  74   return ret;
  75 }