[BZ #4773]
[glibc.git] / posix / bug-regex7.c
blob44594597da7c76bfeab7976c2ab03fd9d5dd9c6a
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.
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <locale.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <sys/types.h>
26 #include <regex.h>
29 int
30 main (void)
32 struct re_pattern_buffer regex;
33 struct re_registers regs;
34 const char *s;
35 int match, n;
36 int result = 0;
38 memset (&regex, '\0', sizeof (regex));
39 regs.start = regs.end = NULL;
40 regs.num_regs = 0;
41 s = re_compile_pattern ("a", 1, &regex);
42 if (s != NULL)
44 puts ("failed to compile pattern \"a\"");
45 result = 1;
47 else
49 match = re_search (&regex, "baobab", 6, 0, 6, &regs);
50 n = 1;
51 if (match != 1)
53 printf ("re_search returned %d, expected 1\n", match);
54 result = 1;
56 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
58 puts ("re_search failed to fill the -1 sentinel");
59 result = 1;
63 free (regex.buffer);
64 memset (&regex, '\0', sizeof (regex));
66 s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, &regex);
67 if (s != NULL)
69 puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
70 result = 1;
72 else
74 match = re_match (&regex, "apl", 3, 0, &regs);
75 n = 4;
76 if (match != 1)
78 printf ("re_match returned %d, expected 1\n", match);
79 result = 1;
81 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
83 puts ("re_match failed to fill the -1 sentinel");
84 result = 1;
88 if (result == 0)
89 puts (" -> OK");
91 return result;