binutils-gdb/gdb/gdb_regex.c

58 lines
1.6 KiB
C

/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_regex.h"
#include "common/def-vector.h"
compiled_regex::compiled_regex (const char *regex, int cflags,
const char *message)
{
gdb_assert (regex != NULL);
gdb_assert (message != NULL);
int code = regcomp (&m_pattern, regex, cflags);
if (code != 0)
{
size_t length = regerror (code, &m_pattern, NULL, 0);
gdb::def_vector<char> err (length);
regerror (code, &m_pattern, err.data (), length);
error (("%s: %s"), message, err.data ());
}
}
compiled_regex::~compiled_regex ()
{
regfree (&m_pattern);
}
int
compiled_regex::exec (const char *string, size_t nmatch,
regmatch_t pmatch[], int eflags) const
{
return regexec (&m_pattern, string, nmatch, pmatch, eflags);
}
int
compiled_regex::search (const char *string,
int length, int start, int range,
struct re_registers *regs)
{
return re_search (&m_pattern, string, length, start, range, regs);
}