LLVM  7.0.0svn
regex_impl.h
Go to the documentation of this file.
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 */
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_ */
size_t re_nsub
Definition: regex_impl.h:50
void llvm_regfree(llvm_regex_t *)
Definition: regfree.c:50
int re_magic
Definition: regex_impl.h:49
struct llvm_regex llvm_regex_t
const char * re_endp
Definition: regex_impl.h:51
size_t llvm_strlcpy(char *dst, const char *src, size_t siz)
Definition: regstrlcpy.c:29
llvm_regoff_t rm_eo
Definition: regex_impl.h:45
size_t llvm_regerror(int, const llvm_regex_t *, char *, size_t)
Definition: regerror.c:84
struct re_guts * re_g
Definition: regex_impl.h:52
int llvm_regcomp(llvm_regex_t *, const char *, int)
Definition: regcomp.c:292
int llvm_regexec(const llvm_regex_t *, const char *, size_t, llvm_regmatch_t [], int)
Definition: regexec.c:141
llvm_regoff_t rm_so
Definition: regex_impl.h:44
off_t llvm_regoff_t
Definition: regex_impl.h:42