xref: /illumos-gate/usr/src/lib/libc/port/regex/regex.h (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1996-2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * TOKENS THAT MARK SUBEXPRESSIONS IN COMPILED REGULAR EXPRESSIONS
31  *
32  * regcmp() uses the tokens in compiled regular expressions, and
33  * regex() decodes them when checking character strings against
34  * compiled regular expressions.
35  *
36  * NOTE: To maintain backward compatibility with previous versions of regcmp()
37  *       and regex(), these values must stay the same.
38  */
39 
40 #ifndef _LIBC_REGEX_H
41 #define _LIBC_REGEX_H
42 
43 
44 /* TOKENS USED IN COMPILED REGULAR EXPRESSIONS */
45 
46 #define	ASCII_CHAR                   20
47 #define	ANY_CHAR                     16
48 #define	COUNT                        0x3
49 #define	COUNTED_GROUP                48
50 #define	END_GROUP                    44
51 #define	END_REGEX                    52
52 #define	END_SAVED_GROUP              12
53 #define	END_OF_STRING_MARK           28
54 #define	IN_ASCII_CHAR_CLASS          80
55 #define	IN_MULTIBYTE_CHAR_CLASS      72
56 #define	IN_OLD_ASCII_CHAR_CLASS      24
57 #define MAX_SINGLE_BYTE_INT          0xff
58 #define	MULTIBYTE_CHAR               36
59 #define	NOT_IN_ASCII_CHAR_CLASS      84
60 #define	NOT_IN_MULTIBYTE_CHAR_CLASS  76
61 #define	NOT_IN_OLD_ASCII_CHAR_CLASS   8
62 #define	ONE_OR_MORE                  0x2
63 #define	ONE_OR_MORE_GROUP            68
64 #define	SAVED_GROUP                  60
65 #define	SIMPLE_GROUP                 40
66 #define	START_OF_STRING_MARK         32
67 #define	THRU                         16
68 #define TIMES_256_SHIFT               8
69 #ifdef UNLIMITED
70 #undef UNLIMITED
71 #endif
72 #define UNLIMITED                    0xff
73 #define	ZERO_OR_MORE                 0x1
74 #define	ZERO_OR_MORE_GROUP           56
75 
76 
77 /* NUMBER OF SUBSTRING POINTERS THAT MAY BE RETURNED BY regex() */
78 
79 #define NSUBSTRINGS                  10
80 
81 #endif /* #ifndef _LIBC_REGEX_H */
82