1 /* Test for regs allocation in re_search and re_match.
2 Copyright (C) 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Stepan Kasal <kasal@math.cas.cz>, 2002.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA. */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <locale.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sys/types.h>
30 #include <regex.h>
31
32
33 int
main(void)34 main (void)
35 {
36 struct re_pattern_buffer regex;
37 struct re_registers regs;
38 const char *s;
39 int match, n;
40 int result = 0;
41
42 memset (®ex, '\0', sizeof (regex));
43 regs.start = regs.end = NULL;
44 regs.num_regs = 0;
45 s = re_compile_pattern ("a", 1, ®ex);
46 if (s != NULL)
47 {
48 puts ("failed to compile pattern \"a\"");
49 result = 1;
50 }
51 else
52 {
53 match = re_search (®ex, "baobab", 6, 0, 6, ®s);
54 n = 1;
55 if (match != 1)
56 {
57 printf ("re_search returned %d, expected 1\n", match);
58 result = 1;
59 }
60 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
61 {
62 puts ("re_search failed to fill the -1 sentinel");
63 result = 1;
64 }
65 }
66
67 free (regex.buffer);
68 memset (®ex, '\0', sizeof (regex));
69
70 s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, ®ex);
71 if (s != NULL)
72 {
73 puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
74 result = 1;
75 }
76 else
77 {
78 match = re_match (®ex, "apl", 3, 0, ®s);
79 n = 4;
80 if (match != 1)
81 {
82 printf ("re_match returned %d, expected 1\n", match);
83 result = 1;
84 }
85 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
86 {
87 puts ("re_match failed to fill the -1 sentinel");
88 result = 1;
89 }
90 }
91
92 if (result == 0)
93 puts (" -> OK");
94
95 return result;
96 }
97