/* $Id: macro.h,v 1.1 2006/08/28 06:33:14 manu Exp $ */

/*
 * Copyright (c) 2006 Emmanuel Dreyfus
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by Emmanuel Dreyfus
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

LIST_HEAD(macrolist, macro_entry);

struct macro_entry {
	char *m_name;
	char *m_macro;
	enum { M_UNSET, M_STRING, M_REGEX } m_type;
	union {
		char *string;
		regex_t *regex;
	} m_value;
	LIST_ENTRY(macro_entry) m_list;
};

#define m_string m_value.string
#define m_regex m_value.regex

void macro_init(void);
int macro_check(SMFICTX *, struct macro_entry *);
void macro_add_unset(char *, char *);
void macro_add_string(char *, char *, char *);
void macro_add_regex(char *, char *, char *);
struct macro_entry *macro_byname(char *);
void macro_clear(void);