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/* $OpenBSD: patterns.h,v 1.3 2015/12/12 19:59:43 mmcc Exp $ */
/*
* Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef PATTERNS_H
#define PATTERNS_H
#include <sys/types.h>
#define MAXCAPTURES 32 /* Max no. of allowed captures in pattern */
#define MAXCCALLS 200 /* Max recusion depth in pattern matching */
#define MAXREPETITION 0xfffff /* Max for repetition items */
struct str_find {
off_t sm_so; /* start offset of match */
off_t sm_eo; /* end offset of match */
};
struct str_match {
char **sm_match; /* allocated array of matched strings */
unsigned int sm_nmatch; /* number of elements in array */
};
__BEGIN_DECLS
int str_find(const char *, const char *, struct str_find *, size_t,
const char **);
int str_match(const char *, const char *, struct str_match *,
const char **);
void str_match_free(struct str_match *);
__END_DECLS
#endif /* PATTERNS_H */
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