pbx_include.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2016, CFWare, LLC
 *
 * Corey Farrell <[email protected]>
 *
 * 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 Dialplan context include routines.
 *
 * \author Corey Farrell <[email protected]>
 */

/*** MODULEINFO
 <support_level>core</support_level>
 ***/

#include "asterisk.h"

#include "asterisk/_private.h"
#include "asterisk/pbx.h"
#include "pbx_private.h"

/*! ast_include: include= support in extensions.conf */
struct ast_include {
 const char *name;
 /*! Context to include */
 const char *rname;
 /*! Registrar */
 const char *registrar;
 /*! If time construct exists */
 int hastime;
 /*! time construct */
 struct ast_timing timing;
 char stuff[0];
};

const char *ast_get_include_name(const struct ast_include *inc)
{
 return inc ? inc->name : NULL;
}

const char *include_rname(const struct ast_include *inc)
{
 return inc ? inc->rname : NULL;
}

const char *ast_get_include_registrar(const struct ast_include *inc)
{
 return inc ? inc->registrar : NULL;
}

int include_valid(const struct ast_include *inc)
{
 if (!inc->hastime) {
 return 1;
 }

 return ast_check_timing(&(inc->timing));
}

struct ast_include *include_alloc(const char *value, const char *registrar)
{
 struct ast_include *new_include;
 char *c;
 int valuebufsz = strlen(value) + 1;
 char *p;

 /* allocate new include structure ... */
 new_include = ast_calloc(1, sizeof(*new_include) + (valuebufsz * 2));
 if (!new_include) {
 return NULL;
 }

 /* Fill in this structure. Use 'p' for assignments, as the fields
 * in the structure are 'const char *'
 */
 p = new_include->stuff;
 new_include->name = p;
 strcpy(p, value);
 p += valuebufsz;
 new_include->rname = p;
 strcpy(p, value);
 /* Strip off timing info, and process if it is there */
 if ((c = strchr(p, ',')) ) {
 *c++ = '\0';
 new_include->hastime = ast_build_timing(&(new_include->timing), c);
 }
 new_include->registrar = registrar;

 return new_include;
}

void include_free(struct ast_include *inc)
{
 ast_destroy_timing(&(inc->timing));
 ast_free(inc);
}