2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1992 Henry Spencer.
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Henry Spencer of the University of Toronto.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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
35 * @(#)regex.h 8.2 (Berkeley) 1/3/94
42 #include <sys/cdefs.h>
43 #include <sys/_types.h>
46 typedef __off_t regoff_t;
48 #ifndef _SIZE_T_DECLARED
49 typedef __size_t size_t;
50 #define _SIZE_T_DECLARED
55 size_t re_nsub; /* number of parenthesized subexpressions */
56 const char *re_endp; /* end pointer for REG_PEND */
57 struct re_guts *re_g; /* none of your business :-) */
61 regoff_t rm_so; /* start of match */
62 regoff_t rm_eo; /* end of match */
66 #define REG_BASIC 0000
67 #define REG_EXTENDED 0001
68 #define REG_ICASE 0002
69 #define REG_NOSUB 0004
70 #define REG_NEWLINE 0010
71 #define REG_NOSPEC 0020
75 /* regerror() flags */
76 #define REG_ENOSYS (-1)
79 #define REG_ECOLLATE 3
94 #define REG_ATOI 255 /* convert name to number (!) */
95 #define REG_ITOA 0400 /* convert number to name (!) */
98 #define REG_NOTBOL 00001
99 #define REG_NOTEOL 00002
100 #define REG_STARTEND 00004
101 #define REG_TRACE 00400 /* tracing of execution */
102 #define REG_LARGE 01000 /* force large representation */
103 #define REG_BACKR 02000 /* force use of backref code */
106 int regcomp(regex_t * __restrict, const char * __restrict, int);
107 size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t);
109 * XXX forth parameter should be `regmatch_t [__restrict]', but isn't because
110 * of a bug in GCC 3.2 (when -std=c99 is specified) which perceives this as a
113 int regexec(const regex_t * __restrict, const char * __restrict, size_t,
114 regmatch_t * __restrict, int);
115 void regfree(regex_t *);
118 #endif /* !_REGEX_H_ */