1 /* Test REG_NEWLINE.
2    Copyright (C) 2007-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #include <regex.h>
20 #include <stdio.h>
21 #include <string.h>
22 
23 struct tests
24 {
25   const char *regex;
26   const char *string;
27   int cflags;
28   int retval;
29 } tests[] = {
30   { "a.b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },
31   { "a.b", "a\nb", REG_EXTENDED, 0 },
32   { "a[^x]b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },
33   { "a[^x]b", "a\nb", REG_EXTENDED, 0 }
34 };
35 
36 int
main(void)37 main (void)
38 {
39   regex_t r;
40   size_t i;
41   int ret = 0;
42 
43   for (i = 0; i < sizeof (tests) / sizeof (tests[i]); ++i)
44     {
45       memset (&r, 0, sizeof (r));
46       if (regcomp (&r, tests[i].regex, tests[i].cflags))
47 	{
48 	  printf ("regcomp %zd failed\n", i);
49 	  ret = 1;
50 	  continue;
51 	}
52       int rv = regexec (&r, tests[i].string, 0, NULL, 0);
53       if (rv != tests[i].retval)
54 	{
55 	  printf ("regexec %zd unexpected value %d != %d\n",
56 		  i, rv, tests[i].retval);
57 	  ret = 1;
58 	}
59       regfree (&r);
60     }
61   return ret;
62 }
63