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);
}