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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
* \brief Channel Variables
*/
#ifndef _ASTERISK_CHANVARS_H
#define _ASTERISK_CHANVARS_H
#include "asterisk/linkedlists.h"
struct ast_var_t {
AST_LIST_ENTRY(ast_var_t) entries;
char *value;
char name[0];
};
AST_LIST_HEAD_NOLOCK(varshead, ast_var_t);
struct varshead *ast_var_list_create(void);
void ast_var_list_destroy(struct varshead *head);
struct ast_var_t *_ast_var_assign(const char *name, const char *value, const char *file, int lineno, const char *function);
#define ast_var_assign(name, value) _ast_var_assign(name, value, __FILE__, __LINE__, __PRETTY_FUNCTION__)
void ast_var_delete(struct ast_var_t *var);
const char *ast_var_name(const struct ast_var_t *var);
const char *ast_var_full_name(const struct ast_var_t *var);
const char *ast_var_value(const struct ast_var_t *var);
char *ast_var_find(const struct varshead *head, const char *name);
struct varshead *ast_var_list_clone(struct varshead *head);
#define AST_VAR_LIST_TRAVERSE(head, var) AST_LIST_TRAVERSE(head, var, entries)
static inline void AST_VAR_LIST_INSERT_TAIL(struct varshead *head, struct ast_var_t *var) {
if (var) {
AST_LIST_INSERT_TAIL(head, var, entries);
}
}
static inline void AST_VAR_LIST_INSERT_HEAD(struct varshead *head, struct ast_var_t *var) {
if (var) {
AST_LIST_INSERT_HEAD(head, var, entries);
}
}
#endif /* _ASTERISK_CHANVARS_H */
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