posix/bug-regex12.c

   1 /* Regular expression tests.
   2    Copyright (C) 2002, 2003 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 <sys/types.h>
  22 #include <mcheck.h>
  23 #include <regex.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 /* Tests supposed to not match.  */
  28 struct
  29 {
  30   const char *pattern;
  31   const char *string;
  32   int flags, nmatch;
  33 } tests[] = {
  34   { "^<\\([^~]*\\)\\([^~]\\)[^~]*~\\1\\(.\\).*|=.*\\3.*\\2",
  35     "<,.8~2,~so-|=-~.0,123456789<><", REG_NOSUB, 0 },
  36   /* In ERE, all carets must be treated as anchors.  */
  37   { "a^b", "a^b", REG_EXTENDED, 0 }
  38 };
  39
  40 int
  41 main (void)
  42 {
  43   regex_t re;
  44   regmatch_t rm[4];
  45   size_t i;
  46   int n, ret = 0;
  47
  48   mtrace ();
  49
  50   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  51     {
  52       n = regcomp (&re, tests[i].pattern, tests[i].flags);
  53       if (n != 0)
  54         {
  55           char buf[500];
  56           regerror (n, &re, buf, sizeof (buf));
  57           printf ("regcomp %zd failed: %s\n", i, buf);
  58           ret = 1;
  59           continue;
  60         }
  61
  62       if (! regexec (&re, tests[i].string, tests[i].nmatch,
  63                      tests[i].nmatch ? rm : NULL, 0))
  64         {
  65           printf ("regexec %zd incorrectly matched\n", i);
  66           ret = 1;
  67         }
  68
  69       regfree (&re);
  70     }
  71
  72   return ret;
  73 }