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1 /*-
2  * This code is derived from OpenBSD's libc/regex, original license follows:
3  *
4  * Copyright (c) 1992 Henry Spencer.
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Henry Spencer of the University of Toronto.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)regex.h	8.1 (Berkeley) 6/2/93
36  */
37 
38 #ifndef _REGEX_H_
39 #define	_REGEX_H_
40 
41 #include <sys/types.h>
42 typedef off_t llvm_regoff_t;
43 typedef struct {
44   llvm_regoff_t rm_so;		/* start of match */
45   llvm_regoff_t rm_eo;		/* end of match */
46 } llvm_regmatch_t;
47 
48 typedef struct llvm_regex {
49   int re_magic;
50   size_t re_nsub;		/* number of parenthesized subexpressions */
51   const char *re_endp;	/* end pointer for REG_PEND */
52   struct re_guts *re_g;	/* none of your business :-) */
53 } llvm_regex_t;
54 
55 /* llvm_regcomp() flags */
56 #define	REG_BASIC	0000
57 #define	REG_EXTENDED	0001
58 #define	REG_ICASE	0002
59 #define	REG_NOSUB	0004
60 #define	REG_NEWLINE	0010
61 #define	REG_NOSPEC	0020
62 #define	REG_PEND	0040
63 #define	REG_DUMP	0200
64 
65 /* llvm_regerror() flags */
66 #define	REG_NOMATCH	 1
67 #define	REG_BADPAT	 2
68 #define	REG_ECOLLATE	 3
69 #define	REG_ECTYPE	 4
70 #define	REG_EESCAPE	 5
71 #define	REG_ESUBREG	 6
72 #define	REG_EBRACK	 7
73 #define	REG_EPAREN	 8
74 #define	REG_EBRACE	 9
75 #define	REG_BADBR	10
76 #define	REG_ERANGE	11
77 #define	REG_ESPACE	12
78 #define	REG_BADRPT	13
79 #define	REG_EMPTY	14
80 #define	REG_ASSERT	15
81 #define	REG_INVARG	16
82 #define	REG_ATOI	255	/* convert name to number (!) */
83 #define	REG_ITOA	0400	/* convert number to name (!) */
84 
85 /* llvm_regexec() flags */
86 #define	REG_NOTBOL	00001
87 #define	REG_NOTEOL	00002
88 #define	REG_STARTEND	00004
89 #define	REG_TRACE	00400	/* tracing of execution */
90 #define	REG_LARGE	01000	/* force large representation */
91 #define	REG_BACKR	02000	/* force use of backref code */
92 
93 #ifdef __cplusplus
94 extern "C" {
95 #endif
96 
97 int	llvm_regcomp(llvm_regex_t *, const char *, int);
98 size_t	llvm_regerror(int, const llvm_regex_t *, char *, size_t);
99 int	llvm_regexec(const llvm_regex_t *, const char *, size_t,
100                      llvm_regmatch_t [], int);
101 void	llvm_regfree(llvm_regex_t *);
102 size_t  llvm_strlcpy(char *dst, const char *src, size_t siz);
103 
104 #ifdef __cplusplus
105 }
106 #endif
107 
108 #endif /* !_REGEX_H_ */
109