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
27int
28main (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 (pattern: "xy$", length: 3, buffer: &regex);
37 if (s != NULL)
38 {
39 puts (s: "failed to compile pattern \"xy$\"");
40 return 1;
41 }
42 else
43 match[0] = re_match_2(buffer: &regex,string1: "xyz",length1: 3,NULL,length2: 0,start: 0,NULL,stop: 2);
44
45 free (ptr: regex.buffer);
46 memset (&regex, '\0', sizeof (regex));
47
48 s = re_compile_pattern (pattern: "xy\\>", length: 4, buffer: &regex);
49 if (s != NULL)
50 {
51 puts (s: "failed to compile pattern \"xy\\>\"");
52 return 1;
53 }
54 else
55 match[1] = re_search_2(buffer: &regex,string1: "xyz",length1: 3,NULL,length2: 0,start: 0,range: 2,NULL,stop: 2);
56
57 free (ptr: regex.buffer);
58 memset (&regex, '\0', sizeof (regex));
59
60 s = re_compile_pattern (pattern: "xy \\<", length: 5, buffer: &regex);
61 if (s != NULL)
62 {
63 puts (s: "failed to compile pattern \"xy \\<\"");
64 return 1;
65 }
66 else
67 {
68 match[2] = re_match_2(buffer: &regex,string1: "xy ",length1: 4,NULL,length2: 0,start: 0,NULL,stop: 3);
69 match[3] = re_match_2(buffer: &regex,string1: "xy z",length1: 4,NULL,length2: 0,start: 0,NULL,stop: 3);
70 }
71
72 if (match[0] != -1 || match[1] != -1 || match[2] != -1 || match[3] != 3)
73 {
74 printf (format: "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 (s: " -> OK");
80
81 return 0;
82}
83

source code of glibc/posix/bug-regex8.c