1 /* Test for regs allocation in re_search and re_match.
2 Copyright (C) 2002-2015 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, see
18 <http://www.gnu.org/licenses/>. */
24 #include <sys/types.h>
31 struct re_pattern_buffer regex;
32 struct re_registers regs;
37 memset (®ex, '\0', sizeof (regex));
38 regs.start = regs.end = NULL;
40 s = re_compile_pattern ("a", 1, ®ex);
43 puts ("failed to compile pattern \"a\"");
48 match = re_search (®ex, "baobab", 6, 0, 6, ®s);
52 printf ("re_search returned %d, expected 1\n", match);
55 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
57 puts ("re_search failed to fill the -1 sentinel");
63 memset (®ex, '\0', sizeof (regex));
65 s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, ®ex);
68 puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
73 match = re_match (®ex, "apl", 3, 0, ®s);
77 printf ("re_match returned %d, expected 1\n", match);
80 else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
82 puts ("re_match failed to fill the -1 sentinel");