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/*
SSSD
Authors:
Tomas Halman <thalman@redhat.com>
Copyright (C) 2018 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SSS_REGEXP_H_
#define SSS_REGEXP_H_
#include <stddef.h>
#include <talloc.h>
#include "config.h"
/* regexp class */
typedef struct _sss_regexp_t sss_regexp_t;
#include <pcre2.h>
#define SSS_REGEXP_ERROR_NOMATCH PCRE2_ERROR_NOMATCH
#define SSS_REGEXP_ERROR_NOMEMORY PCRE2_ERROR_NOMEMORY
#define SSS_REGEXP_NOTEMPTY PCRE2_NOTEMPTY
#define SSS_REGEXP_EXTENDED PCRE2_EXTENDED
#define SSS_REGEXP_DUPNAMES PCRE2_DUPNAMES
/* how to use sss_regexp:
*
* int err;
* const char *found;
*
* sss_regexp_t *re
* err = sss_regexp_new (NULL, "#(?P<myname>.+)#", 0, &re);
* if (err != EOK) {
* goto fail;
* }
* int rc = sss_regexp_match (re,
* "a#findthis#b",
* 0,
* 0);
* if (rc != 0) { ... }
* rc = sss_regexp_get_named_substring (re, "myname", &found);
* ...
* talloc_free (re);
*/
/*
* Create new compiled regexp object.
*/
int sss_regexp_new(TALLOC_CTX *mem_ctx,
const char *pattern,
int options,
sss_regexp_t **self_p);
/*
* Search subject with previously created regexp.
*/
int sss_regexp_match(sss_regexp_t *self,
const char *subject,
int startoffset,
int options);
/*
* Get named substring from last sss_regexp_match.
*/
int sss_regexp_get_named_substring(sss_regexp_t *self,
const char *name,
const char **value);
#endif /* SSS_REGEXP_H_ */
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