1 /* Test for the STOP parameter of re_match_2 and re_search_2.
2    Copyright (C) 2002-2022 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 <locale.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <sys/types.h>
24 #include <regex.h>
25 
26 
27 int
main(void)28 main (void)
29 {
30   struct re_pattern_buffer regex;
31   const char *s;
32   int match[4];
33 
34   memset (&regex, '\0', sizeof (regex));
35 
36   s = re_compile_pattern ("xy$", 3, &regex);
37   if (s != NULL)
38     {
39       puts ("failed to compile pattern \"xy$\"");
40       return 1;
41     }
42   else
43     match[0] = re_match_2(&regex,"xyz",3,NULL,0,0,NULL,2);
44 
45   free (regex.buffer);
46   memset (&regex, '\0', sizeof (regex));
47 
48   s = re_compile_pattern ("xy\\>", 4, &regex);
49   if (s != NULL)
50     {
51       puts ("failed to compile pattern \"xy\\>\"");
52       return 1;
53     }
54   else
55     match[1] = re_search_2(&regex,"xyz",3,NULL,0,0,2,NULL,2);
56 
57   free (regex.buffer);
58   memset (&regex, '\0', sizeof (regex));
59 
60   s = re_compile_pattern ("xy \\<", 5, &regex);
61   if (s != NULL)
62     {
63       puts ("failed to compile pattern \"xy \\<\"");
64       return 1;
65     }
66   else
67     {
68       match[2] = re_match_2(&regex,"xy  ",4,NULL,0,0,NULL,3);
69       match[3] = re_match_2(&regex,"xy z",4,NULL,0,0,NULL,3);
70     }
71 
72   if (match[0] != -1 || match[1] != -1 || match[2] != -1 || match[3] != 3)
73     {
74       printf ("re_{match,search}_2 returned %d,%d,%d,%d, expected -1,-1,-1,3\n",
75 		match[0], match[1], match[2], match[3]);
76       return 1;
77     }
78 
79   puts (" -> OK");
80 
81   return 0;
82 }
83