/* Extended regular expression matching and search library.

   Copyright (C) 2002-2017 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

/* Make sure noone compiles this code with a C++ compiler.  */

#ifdef __cplusplus

# error "This is C code, use a C compiler"

#endif

#ifdef _LIBC

/* We have to keep the namespace clean.  */

# define regfree(preg) __regfree (preg)

# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)

# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)

# define regerror(errcode, preg, errbuf, errbuf_size) \

	__regerror(errcode, preg, errbuf, errbuf_size)

# define re_set_registers(bu, re, nu, st, en) \

	__re_set_registers (bu, re, nu, st, en)

# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \

	__re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)

# define re_match(bufp, string, size, pos, regs) \

	__re_match (bufp, string, size, pos, regs)

# define re_search(bufp, string, size, startpos, range, regs) \

	__re_search (bufp, string, size, startpos, range, regs)

# define re_compile_pattern(pattern, length, bufp) \

	__re_compile_pattern (pattern, length, bufp)

# define re_set_syntax(syntax) __re_set_syntax (syntax)

# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \

	__re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)

# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)

# include "../locale/localeinfo.h"

#endif

/* On some systems, limits.h sets RE_DUP_MAX to a lower value than

   GNU regex allows.  Include it before <regex.h>, which correctly

   #undefs RE_DUP_MAX and sets it to the right value.  */

#include <limits.h>

/* This header defines the MIN and MAX macros.  */

#ifdef HAVE_SYS_PARAM_H

#include <sys/param.h>

#endif /* HAVE_SYS_PARAM_H */

#ifdef GAWK

#undef alloca

#define alloca alloca_is_bad_you_should_never_use_it

#endif

#include <regex.h>

#include "regex_internal.h"

#include "regex_internal.c"

#ifndef HAVE_STDBOOL_H

#include "missing_d/gawkbool.h"

#endif

#include "regcomp.c"

#include "regexec.c"

/* Binary backward compatibility.  */

#if _LIBC

# include <shlib-compat.h>

# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)

link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")

int re_max_failures = 2000;

# endif

#endif