clarify not found error message a bit.
[minix.git] / include / regex.h
blob698e92d5d82b7254dc3d5fc488f70acb425625bf
1 /*-
2 * Copyright (c) 1992 Henry Spencer.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * Henry Spencer of the University of Toronto.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
37 * @(#)regex.h 8.2 (Berkeley) 1/3/94
40 #ifndef _REGEX_H_
41 #define _REGEX_H_
43 #ifndef _TYPES_H
44 #include <sys/types.h>
45 #endif
47 /* types */
48 typedef off_t regoff_t;
50 typedef struct {
51 int re_magic;
52 size_t re_nsub; /* number of parenthesized subexpressions */
53 const char *re_endp; /* end pointer for REG_PEND */
54 struct re_guts *re_g; /* none of your business :-) */
55 } regex_t;
57 typedef struct {
58 regoff_t rm_so; /* start of match */
59 regoff_t rm_eo; /* end of match */
60 } regmatch_t;
62 /* regcomp() flags */
63 #define REG_BASIC 0000
64 #define REG_EXTENDED 0001
65 #define REG_ICASE 0002
66 #define REG_NOSUB 0004
67 #define REG_NEWLINE 0010
68 #define REG_NOSPEC 0020
69 #define REG_PEND 0040
70 #define REG_DUMP 0200
72 /* regerror() flags */
73 #define REG_NOMATCH 1
74 #define REG_BADPAT 2
75 #define REG_ECOLLATE 3
76 #define REG_ECTYPE 4
77 #define REG_EESCAPE 5
78 #define REG_ESUBREG 6
79 #define REG_EBRACK 7
80 #define REG_EPAREN 8
81 #define REG_EBRACE 9
82 #define REG_BADBR 10
83 #define REG_ERANGE 11
84 #define REG_ESPACE 12
85 #define REG_BADRPT 13
86 #define REG_EMPTY 14
87 #define REG_ASSERT 15
88 #define REG_INVARG 16
89 #define REG_ATOI 255 /* convert name to number (!) */
90 #define REG_ITOA 0400 /* convert number to name (!) */
92 /* regexec() flags */
93 #define REG_NOTBOL 00001
94 #define REG_NOTEOL 00002
95 #define REG_STARTEND 00004
96 #define REG_TRACE 00400 /* tracing of execution */
97 #define REG_LARGE 01000 /* force large representation */
98 #define REG_BACKR 02000 /* force use of backref code */
100 int regcomp(regex_t *, const char *, int);
101 size_t regerror(int, const regex_t *, char *, size_t);
102 int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
103 void regfree(regex_t *);
105 #endif /* !_REGEX_H_ */