1/* Test for re_search_2.
2 Copyright (C) 2001-2024 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
24int
25main (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 (format: "INFO: Checking C.\n");
35 setlocale (LC_ALL, "C");
36
37 s = re_compile_pattern (pattern: "ab[cde]", length: 7, buffer: &regex);
38 if (s != NULL)
39 {
40 puts (s: "re_compile_pattern returned non-NULL value");
41 result = 1;
42 }
43 else
44 {
45 match[0] = re_search_2 (buffer: &regex, string1: "xyabez", length1: 6, string2: "", length2: 0, start: 1, range: 5, NULL, stop: 6);
46 match[1] = re_search_2 (buffer: &regex, NULL, length1: 0, string2: "abc", length2: 3, start: 0, range: 3, NULL, stop: 3);
47 match[2] = re_search_2 (buffer: &regex, string1: "xya", length1: 3, string2: "bd", length2: 2, start: 2, range: 3, NULL, stop: 5);
48 if (match[0] != 2 || match[1] != 0 || match[2] != 2)
49 {
50 printf (format: "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 (s: " -> OK");
56 }
57
58 printf (format: "INFO: Checking C.UTF-8.\n");
59 setlocale (LC_ALL, "C.UTF-8");
60
61 s = re_compile_pattern (pattern: "ab[cde]", length: 7, buffer: &regex);
62 if (s != NULL)
63 {
64 puts (s: "re_compile_pattern returned non-NULL value");
65 result = 1;
66 }
67 else
68 {
69 match[0] = re_search_2 (buffer: &regex, string1: "xyabez", length1: 6, string2: "", length2: 0, start: 1, range: 5, NULL, stop: 6);
70 match[1] = re_search_2 (buffer: &regex, NULL, length1: 0, string2: "abc", length2: 3, start: 0, range: 3, NULL, stop: 3);
71 match[2] = re_search_2 (buffer: &regex, string1: "xya", length1: 3, string2: "bd", length2: 2, start: 2, range: 3, NULL, stop: 5);
72 if (match[0] != 2 || match[1] != 0 || match[2] != 2)
73 {
74 printf (format: "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 (s: " -> OK");
80 }
81
82 return result;
83}
84

source code of glibc/posix/bug-regex4.c