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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* ???????
* \todo Explain this file!
*/
#ifndef _ASTERISK_EXPR_H
#define _ASTERISK_EXPR_H
#ifndef STANDALONE
#endif
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/*!\brief Evaluate the given expression
* \param expr An expression
* \param buf Result buffer
* \param length Size of the result buffer, in bytes
* \param chan Channel to use for evaluating included dialplan functions, if any
* \return Length of the result string, in bytes
*/
int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan);
/*!\brief Evaluate the given expression
* \param str Dynamic result buffer
* \param maxlen <0 if the size of the buffer should remain constant, >0 if the size of the buffer should expand to that many bytes, maximum, or 0 for unlimited expansion of the result buffer
* \param chan Channel to use for evaluating included dialplan functions, if any
* \param expr An expression
* \return Length of the result string, in bytes
*/
int ast_str_expr(struct ast_str **str, ssize_t maxlen, struct ast_channel *chan, char *expr);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _ASTERISK_EXPR_H */
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