src/oldsed/testsuite/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., 51 Franklin Street, Fifth Floor, Boston, MA
  19    02110-1301 USA.  */
  20
  21 #include "config.h"
  22
  23 #include <sys/types.h>
  24 #ifdef HAVE_MCHECK_H
  25 #include <mcheck.h>
  26 #endif
  27 #include <regex.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30
  31 /* Tests supposed to not match.  */
  32 struct
  33 {
  34   const char *pattern;
  35   const char *string;
  36   int flags, nmatch;
  37 } tests[] = {
  38   { "^<\\([^~]*\\)\\([^~]\\)[^~]*~\\1\\(.\\).*|=.*\\3.*\\2",
  39     "<,.8~2,~so-|=-~.0,123456789<><", REG_NOSUB, 0 },
  40   /* In ERE, all carets must be treated as anchors.  */
  41   { "a^b", "a^b", REG_EXTENDED, 0 }
  42 };
  43
  44 int
  45 main (void)
  46 {
  47   regex_t re;
  48   regmatch_t rm[4];
  49   size_t i;
  50   int n, ret = 0;
  51
  52 #ifdef HAVE_MCHECK_H
  53   mtrace ();
  54 #endif
  55
  56   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  57     {
  58       n = regcomp (&re, tests[i].pattern, tests[i].flags);
  59       if (n != 0)
  60         {
  61           char buf[500];
  62           regerror (n, &re, buf, sizeof (buf));
  63           printf ("regcomp %lu failed: %s\n", i, buf);
  64           ret = 1;
  65           continue;
  66         }
  67
  68       if (! regexec (&re, tests[i].string, tests[i].nmatch,
  69                      tests[i].nmatch ? rm : NULL, 0))
  70         {
  71           printf ("regexec %lu incorrectly matched\n", i);
  72           ret = 1;
  73         }
  74
  75       regfree (&re);
  76     }
  77
  78   return ret;
  79 }