1/* Extended regular expression matching and search library.
2 Copyright (C) 2002-2021 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 <https://www.gnu.org/licenses/>. */
19
20#define __STDC_WANT_IEC_60559_BFP_EXT__
21
22#ifndef _LIBC
23# include <libc-config.h>
24
25# if __GNUC_PREREQ (4, 6)
26# pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
27# endif
28# if __GNUC_PREREQ (4, 3)
29# pragma GCC diagnostic ignored "-Wold-style-definition"
30# pragma GCC diagnostic ignored "-Wtype-limits"
31# endif
32#endif
33
34/* Make sure no one compiles this code with a C++ compiler. */
35#if defined __cplusplus && defined _LIBC
36# error "This is C code, use a C compiler"
37#endif
38
39#ifdef _LIBC
40/* We have to keep the namespace clean. */
41# define regfree(preg) __regfree (preg)
42# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
43# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
44# define regerror(errcode, preg, errbuf, errbuf_size) \
45 __regerror(errcode, preg, errbuf, errbuf_size)
46# define re_set_registers(bu, re, nu, st, en) \
47 __re_set_registers (bu, re, nu, st, en)
48# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
49 __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
50# define re_match(bufp, string, size, pos, regs) \
51 __re_match (bufp, string, size, pos, regs)
52# define re_search(bufp, string, size, startpos, range, regs) \
53 __re_search (bufp, string, size, startpos, range, regs)
54# define re_compile_pattern(pattern, length, bufp) \
55 __re_compile_pattern (pattern, length, bufp)
56# define re_set_syntax(syntax) __re_set_syntax (syntax)
57# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
58 __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
59# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
60
61# include "../locale/localeinfo.h"
62#endif
63
64/* On some systems, limits.h sets RE_DUP_MAX to a lower value than
65 GNU regex allows. Include it before <regex.h>, which correctly
66 #undefs RE_DUP_MAX and sets it to the right value. */
67#include <limits.h>
68
69#include <regex.h>
70#include "regex_internal.h"
71
72#include "regex_internal.c"
73#include "regcomp.c"
74#include "regexec.c"
75
76/* Binary backward compatibility. */
77#if _LIBC
78# include <shlib-compat.h>
79# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
80link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
81int re_max_failures = 2000;
82# endif
83#endif
84