1/* Copyright (C) 2011-2023 Free Software Foundation, Inc.
2
3   This file is part of GDB.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program 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
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18#include "common-defs.h"
19#include "gdb_regex.h"
20#include "gdbsupport/def-vector.h"
21
22compiled_regex::compiled_regex (const char *regex, int cflags,
23				const char *message)
24{
25  gdb_assert (regex != NULL);
26  gdb_assert (message != NULL);
27
28  int code = regcomp (&m_pattern, regex, cflags);
29  if (code != 0)
30    {
31      size_t length = regerror (code, &m_pattern, NULL, 0);
32      gdb::def_vector<char> err (length);
33
34      regerror (code, &m_pattern, err.data (), length);
35      error (("%s: %s"), message, err.data ());
36    }
37}
38
39compiled_regex::~compiled_regex ()
40{
41  regfree (&m_pattern);
42}
43
44int
45compiled_regex::exec (const char *string, size_t nmatch,
46		      regmatch_t pmatch[], int eflags) const
47{
48  return regexec (&m_pattern, string, nmatch, pmatch, eflags);
49}
50
51int
52compiled_regex::search (const char *string,
53			int length, int start, int range,
54			struct re_registers *regs)
55{
56  return re_search (&m_pattern, string, length, start, range, regs);
57}
58