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 22 compiled_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 39 compiled_regex::~compiled_regex () 40 { 41 regfree (&m_pattern); 42 } 43 44 int 45 compiled_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 51 int 52 compiled_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