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+/*
+ * Copyright (c) 2000, 2011 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 2001-2009 Ville Laurikari <vl@iki.fi>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*-
+ * Copyright (c) 1992 Henry Spencer.
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Henry Spencer of the University of Toronto.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)regex.h 8.2 (Berkeley) 1/3/94
+ */
+
+#ifndef _REGEX_H_
+#define _REGEX_H_
+
+#include <_types.h>
+#include <Availability.h>
+
+/*********/
+/* types */
+/*********/
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#ifndef __cplusplus
+#ifndef _WCHAR_T
+#define _WCHAR_T
+typedef __darwin_wchar_t wchar_t;
+#endif /* _WCHAR_T */
+#endif /* __cplusplus */
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+typedef __darwin_off_t regoff_t;
+
+#ifndef _SIZE_T
+#define _SIZE_T
+typedef __darwin_size_t size_t;
+#endif
+
+typedef struct {
+ int re_magic;
+ size_t re_nsub; /* number of parenthesized subexpressions */
+ const char *re_endp; /* end pointer for REG_PEND */
+ struct re_guts *re_g; /* none of your business :-) */
+} regex_t;
+
+typedef struct {
+ regoff_t rm_so; /* start of match */
+ regoff_t rm_eo; /* end of match */
+} regmatch_t;
+
+/*******************/
+/* regcomp() flags */
+/*******************/
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define REG_BASIC 0000 /* Basic regular expressions (synonym for 0) */
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+#define REG_EXTENDED 0001 /* Extended regular expressions */
+#define REG_ICASE 0002 /* Compile ignoring upper/lower case */
+#define REG_NOSUB 0004 /* Compile only reporting success/failure */
+#define REG_NEWLINE 0010 /* Compile for newline-sensitive matching */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define REG_NOSPEC 0020 /* Compile turning off all special characters */
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8 \
+ || __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0
+#define REG_LITERAL REG_NOSPEC
+#endif
+
+#define REG_PEND 0040 /* Use re_endp as end pointer */
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8 \
+ || __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0
+#define REG_MINIMAL 0100 /* Compile using minimal repetition */
+#define REG_UNGREEDY REG_MINIMAL
+#endif
+
+#define REG_DUMP 0200 /* Unused */
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8 \
+ || __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0
+#define REG_ENHANCED 0400 /* Additional (non-POSIX) features */
+#endif
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+/********************/
+/* regerror() flags */
+/********************/
+#define REG_ENOSYS (-1) /* Reserved */
+#define REG_NOMATCH 1 /* regexec() function failed to match */
+#define REG_BADPAT 2 /* invalid regular expression */
+#define REG_ECOLLATE 3 /* invalid collating element */
+#define REG_ECTYPE 4 /* invalid character class */
+#define REG_EESCAPE 5 /* trailing backslash (\) */
+#define REG_ESUBREG 6 /* invalid backreference number */
+#define REG_EBRACK 7 /* brackets ([ ]) not balanced */
+#define REG_EPAREN 8 /* parentheses not balanced */
+#define REG_EBRACE 9 /* braces not balanced */
+#define REG_BADBR 10 /* invalid repetition count(s) */
+#define REG_ERANGE 11 /* invalid character range */
+#define REG_ESPACE 12 /* out of memory */
+#define REG_BADRPT 13 /* repetition-operator operand invalid */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define REG_EMPTY 14 /* Unused */
+#define REG_ASSERT 15 /* Unused */
+#define REG_INVARG 16 /* invalid argument to regex routine */
+#define REG_ILLSEQ 17 /* illegal byte sequence */
+
+#define REG_ATOI 255 /* convert name to number (!) */
+#define REG_ITOA 0400 /* convert number to name (!) */
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+/*******************/
+/* regexec() flags */
+/*******************/
+#define REG_NOTBOL 00001 /* First character not at beginning of line */
+#define REG_NOTEOL 00002 /* Last character not at end of line */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define REG_STARTEND 00004 /* String start/end in pmatch[0] */
+#define REG_TRACE 00400 /* Unused */
+#define REG_LARGE 01000 /* Unused */
+#define REG_BACKR 02000 /* force use of backref code */
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8 \
+ || __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0
+#define REG_BACKTRACKING_MATCHER REG_BACKR
+#endif
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+__BEGIN_DECLS
+//Begin-Libc
+#ifndef LIBC_ALIAS_REGCOMP
+//End-Libc
+int regcomp(regex_t * __restrict, const char * __restrict, int) __DARWIN_ALIAS(regcomp);
+//Begin-Libc
+#else /* LIBC_ALIAS_REGCOMP */
+int regcomp(regex_t * __restrict, const char * __restrict, int) LIBC_ALIAS(regcomp);
+#endif /* !LIBC_ALIAS_REGCOMP */
+//End-Libc
+size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t);
+/*
+ * gcc under c99 mode won't compile "[ __restrict]" by itself. As a workaround,
+ * a dummy argument name is added.
+ */
+int regexec(const regex_t * __restrict, const char * __restrict, size_t,
+ regmatch_t __pmatch[ __restrict], int);
+void regfree(regex_t *);
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+
+/* Darwin extensions */
+int regncomp(regex_t * __restrict, const char * __restrict, size_t, int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int regnexec(const regex_t * __restrict, const char * __restrict, size_t,
+ size_t, regmatch_t __pmatch[ __restrict], int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int regwcomp(regex_t * __restrict, const wchar_t * __restrict, int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int regwexec(const regex_t * __restrict, const wchar_t * __restrict, size_t,
+ regmatch_t __pmatch[ __restrict], int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int regwncomp(regex_t * __restrict, const wchar_t * __restrict, size_t, int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int regwnexec(const regex_t * __restrict, const wchar_t * __restrict,
+ size_t, size_t, regmatch_t __pmatch[ __restrict], int)
+ __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+__END_DECLS
+
+#ifdef _USE_EXTENDED_LOCALES_
+#include <xlocale/_regex.h>
+#endif /* _USE_EXTENDED_LOCALES_ */
+
+#endif /* !_REGEX_H_ */