pbx_sw.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2016, CFWare, LLC
 *
 * Corey Farrell <git@cfware.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 Dialplan switch routines.
 *
 * \author Corey Farrell <git@cfware.com>
 */
 
/*** MODULEINFO
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "asterisk/_private.h"
#include "asterisk/pbx.h"
#include "pbx_private.h"
 
/*! \brief ast_sw: Switch statement in extensions.conf */
struct ast_sw {
    const char *name;
    /*! Registrar */
    const char *registrar;
    /*! Data load */
    const char *data;
    int eval;
    AST_LIST_ENTRY(ast_sw) list;
    char stuff[0];
};
 
const char *ast_get_switch_name(const struct ast_sw *sw)
{
    return sw ? sw->name : NULL;
}
 
const char *ast_get_switch_data(const struct ast_sw *sw)
{
    return sw ? sw->data : NULL;
}
 
int ast_get_switch_eval(const struct ast_sw *sw)
{
    return sw->eval;
}
 
const char *ast_get_switch_registrar(const struct ast_sw *sw)
{
    return sw ? sw->registrar : NULL;
}
 
struct ast_sw *sw_alloc(const char *value, const char *data, int eval, const char *registrar)
{
    struct ast_sw *new_sw;
    int length;
    char *p;
 
    if (!data) {
        data = "";
    }
    length = sizeof(struct ast_sw);
    length += strlen(value) + 1;
    length += strlen(data) + 1;
 
    /* allocate new sw structure ... */
    if (!(new_sw = ast_calloc(1, length))) {
        return NULL;
    }
 
    /* ... fill in this structure ... */
    p = new_sw->stuff;
    new_sw->name = p;
    strcpy(p, value);
 
    p += strlen(value) + 1;
    new_sw->data = p;
    strcpy(p, data);
 
    new_sw->eval      = eval;
    new_sw->registrar = registrar;
 
    return new_sw;
}
 
void sw_free(struct ast_sw *sw)
{
    ast_free(sw);
}