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1/* Extended regular expression matching and search library.
2 Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
5
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.
10
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.
15
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/>. */
19
20#pragma GCC diagnostic ignored "-Wsign-compare"
21
22#ifdef HAVE_CONFIG_H
23#include "config.h"
24#endif
25
26/* Make sure no one compiles this code with a C++ compiler. */
27#ifdef __cplusplus
28# error "This is C code, use a C compiler"
29#endif
30
31#ifdef _LIBC
32/* We have to keep the namespace clean. */
33# define regfree(preg) __regfree (preg)
34# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
35# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
36# define regerror(errcode, preg, errbuf, errbuf_size) \
37 __regerror(errcode, preg, errbuf, errbuf_size)
38# define re_set_registers(bu, re, nu, st, en) \
39 __re_set_registers (bu, re, nu, st, en)
40# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
41 __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
42# define re_match(bufp, string, size, pos, regs) \
43 __re_match (bufp, string, size, pos, regs)
44# define re_search(bufp, string, size, startpos, range, regs) \
45 __re_search (bufp, string, size, startpos, range, regs)
46# define re_compile_pattern(pattern, length, bufp) \
47 __re_compile_pattern (pattern, length, bufp)
48# define re_set_syntax(syntax) __re_set_syntax (syntax)
49# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
50 __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
51# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
52
53# include "../locale/localeinfo.h"
54#endif
55
56#if defined (_MSC_VER)
57#include <stdio.h> /* for size_t */
58#endif
59
60/* On some systems, limits.h sets RE_DUP_MAX to a lower value than
61 GNU regex allows. Include it before <regex.h>, which correctly
62 #undefs RE_DUP_MAX and sets it to the right value. */
63#include <limits.h>
64#include <stdint.h>
65#include <stdlib.h>
66
67#ifdef GAWK
68#undef alloca
69#define alloca alloca_is_bad_you_should_never_use_it
70#endif
71#include <regex.h>
72#include "regex_internal.h"
73
74#include "regex_internal.c"
75#ifdef GAWK
76#define bool int
77#define true (1)
78#define false (0)
79#endif
80#include "regcomp.c"
81#include "regexec.c"
82
83/* Binary backward compatibility. */
84#if _LIBC
85# include <shlib-compat.h>
86# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
87link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
88int re_max_failures = 2000;
89# endif
90#endif