1 /* Test for re_search_2.
2    Copyright (C) 2001-2022 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 <string.h>
22 #include <regex.h>
23 
24 int
main(void)25 main (void)
26 {
27   struct re_pattern_buffer regex;
28   const char *s;
29   int match[3];
30   int result = 0;
31 
32   memset (&regex, '\0', sizeof (regex));
33 
34   printf ("INFO: Checking C.\n");
35   setlocale (LC_ALL, "C");
36 
37   s = re_compile_pattern ("ab[cde]", 7, &regex);
38   if (s != NULL)
39     {
40       puts ("re_compile_pattern returned non-NULL value");
41       result = 1;
42     }
43   else
44     {
45       match[0] = re_search_2 (&regex, "xyabez", 6, "", 0, 1, 5, NULL, 6);
46       match[1] = re_search_2 (&regex, NULL, 0, "abc", 3, 0, 3, NULL, 3);
47       match[2] = re_search_2 (&regex, "xya", 3, "bd", 2, 2, 3, NULL, 5);
48       if (match[0] != 2 || match[1] != 0 || match[2] != 2)
49 	{
50 	  printf ("re_search_2 returned %d,%d,%d, expected 2,0,2\n",
51 		  match[0], match[1], match[2]);
52 	  result = 1;
53 	}
54       else
55 	puts (" -> OK");
56     }
57 
58   printf ("INFO: Checking C.UTF-8.\n");
59   setlocale (LC_ALL, "C.UTF-8");
60 
61   s = re_compile_pattern ("ab[cde]", 7, &regex);
62   if (s != NULL)
63     {
64       puts ("re_compile_pattern returned non-NULL value");
65       result = 1;
66     }
67   else
68     {
69       match[0] = re_search_2 (&regex, "xyabez", 6, "", 0, 1, 5, NULL, 6);
70       match[1] = re_search_2 (&regex, NULL, 0, "abc", 3, 0, 3, NULL, 3);
71       match[2] = re_search_2 (&regex, "xya", 3, "bd", 2, 2, 3, NULL, 5);
72       if (match[0] != 2 || match[1] != 0 || match[2] != 2)
73 	{
74 	  printf ("re_search_2 returned %d,%d,%d, expected 2,0,2\n",
75 		  match[0], match[1], match[2]);
76 	  result = 1;
77 	}
78       else
79 	puts (" -> OK");
80     }
81 
82   return result;
83 }
84