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/*
* ProFTPD - FTP server daemon
* Copyright (c) 2008-2016 The ProFTPD Project team
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, The ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*/
/* Expression API definition */
#ifndef PR_EXPR_H
#define PR_EXPR_H
#include "pool.h"
/* For the different types of expressions: AND, OR, and REGEX. */
#define PR_EXPR_EVAL_AND 0
#define PR_EXPR_EVAL_OR 1
#define PR_EXPR_EVAL_REGEX 2
/* Parses the strings in argv, a NULL-terminated list of count argc,
* into an array header. If a given string is comma-delimited, then it
* it is tokenized into the individual elements in the returned array.
* Note that NULL is returned if there is an error (with errno set
* appropriately), or if argc is less than or equal to zero.
*
* IMPORTANT: The first string in argv is automatically skipped, on the
* assumption that it is a configuration directive. This is NOT what
* would expect from the API. Callers of this function MUST take this
* into account.
*/
array_header *pr_expr_create(pool *p, unsigned int *argc, char **argv);
int pr_expr_eval_class_and(char **);
int pr_expr_eval_class_or(char **);
int pr_expr_eval_group_and(char **);
int pr_expr_eval_group_or(char **);
int pr_expr_eval_user_and(char **);
int pr_expr_eval_user_or(char **);
#endif /* PR_EXPR_H */
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