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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef REGEX_H
#define REGEX_H
#ifdef HAVE_REGEX
/*
* $Id$
*
* @file regex.h
* @brief Wrappers around various regular expression libraries.
*
* @copyright 2014 The FreeRADIUS server project
*/
RCSIDH(regex_h, "$Id$")
# ifdef __cplusplus
extern "C" {
# endif
# ifdef HAVE_PCRE
# include <pcre.h>
/*
* Versions older then 8.20 didn't have the JIT functionality
* gracefully degrade.
*/
# ifndef PCRE_STUDY_JIT_COMPILE
# define PCRE_STUDY_JIT_COMPILE 0
# endif
/*
* libpcre defines its matches as an array of ints which is a
* multiple of three.
*/
typedef struct regmatch {
int a;
int b;
int c;
} regmatch_t;
typedef struct regex {
bool precompiled; //!< Whether this regex was precompiled, or compiled for one of evaluation.
pcre *compiled; //!< Compiled regular expression.
pcre_extra *extra; //!< Result of studying a regular expression.
} regex_t;
# else
# include <regex.h>
/*
* Allow REG_EXTENDED and REG_NOSUB to be or'd with flags
* if they're not defined.
*/
# ifndef REG_EXTENDED
# define REG_EXTENDED (0)
# endif
# ifndef REG_NOSUB
# define REG_NOSUB (0)
# endif
# endif
ssize_t regex_compile(TALLOC_CTX *ctx, regex_t **out, char const *pattern, size_t len,
bool ignore_case, bool multiline, bool subcaptures, bool runtime);
int regex_exec(regex_t *preg, char const *string, size_t len, regmatch_t pmatch[], size_t *nmatch);
# ifdef __cplusplus
}
# endif
#endif
#endif
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