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      1 /* Test RE_HAT_LISTS_NOT_NEWLINE and RE_DOT_NEWLINE.
      2    Copyright (C) 2007 Free Software Foundation, Inc.
      3    This file is part of the GNU C Library.
      4    Contributed by Jakub Jelinek <jakub (at) redhat.com>, 2007.
      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 <config.h>
     22 #include <regex.h>
     23 #include <stdio.h>
     24 #include <string.h>
     25 
     26 struct tests
     27 {
     28   const char *regex;
     29   const char *string;
     30   reg_syntax_t syntax;
     31   int retval;
     32 } tests[] = {
     33 #define EGREP RE_SYNTAX_EGREP
     34 #define EGREP_NL (RE_SYNTAX_EGREP | RE_DOT_NEWLINE) & ~RE_HAT_LISTS_NOT_NEWLINE
     35   { "a.b", "a\nb", EGREP, -1 },
     36   { "a.b", "a\nb", EGREP_NL, 0 },
     37   { "a[^x]b", "a\nb", EGREP, -1 },
     38   { "a[^x]b", "a\nb", EGREP_NL, 0 },
     39   /* While \S and \W are internally handled as [^[:space:]] and [^[:alnum:]_],
     40      RE_HAT_LISTS_NOT_NEWLINE did not make any difference, so ensure
     41      it doesn't change.  */
     42   { "a\\Sb", "a\nb", EGREP, -1 },
     43   { "a\\Sb", "a\nb", EGREP_NL, -1 },
     44   { "a\\Wb", "a\nb", EGREP, 0 },
     45   { "a\\Wb", "a\nb", EGREP_NL, 0 }
     46 };
     47 
     48 int
     49 main (void)
     50 {
     51   struct re_pattern_buffer r;
     52   size_t i;
     53   int ret = 0;
     54 
     55   for (i = 0; i < sizeof (tests) / sizeof (tests[i]); ++i)
     56     {
     57       re_set_syntax (tests[i].syntax);
     58       memset (&r, 0, sizeof (r));
     59       if (re_compile_pattern (tests[i].regex, strlen (tests[i].regex), &r))
     60 	{
     61 	  printf ("re_compile_pattern %lu failed\n", i);
     62 	  ret = 1;
     63 	  continue;
     64 	}
     65       size_t len = strlen (tests[i].string);
     66       int rv = re_search (&r, tests[i].string, len, 0, len, NULL);
     67       if (rv != tests[i].retval)
     68 	{
     69 	  printf ("re_search %lu unexpected value %d != %d\n",
     70 		  i, rv, tests[i].retval);
     71 	  ret = 1;
     72 	}
     73       regfree (&r);
     74     }
     75   return ret;
     76 }
     77