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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@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
main(void)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