pbx_ignorepat.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 context ignorepat 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_ignorepat: Ignore patterns in dial plan */
struct ast_ignorepat {
    const char *registrar;
    const char pattern[0];
};
 
const char *ast_get_ignorepat_name(const struct ast_ignorepat *ip)
{
    return ip ? ip->pattern : NULL;
}
 
const char *ast_get_ignorepat_registrar(const struct ast_ignorepat *ip)
{
    return ip ? ip->registrar : NULL;
}
 
struct ast_ignorepat *ignorepat_alloc(const char *value, const char *registrar)
{
    struct ast_ignorepat *ignorepat;
    int length = strlen(value) + 1;
    char *pattern;
 
    /* allocate new include structure ... */
    ignorepat = ast_calloc(1, sizeof(*ignorepat) + length);
    if (!ignorepat) {
        return NULL;
    }
 
    /* The cast to char * is because we need to write the initial value.
     * The field is not supposed to be modified otherwise.  Also, gcc 4.2
     * sees the cast as dereferencing a type-punned pointer and warns about
     * it.  This is the workaround (we're telling gcc, yes, that's really
     * what we wanted to do).
     */
    pattern = (char *) ignorepat->pattern;
    strcpy(pattern, value);
    ignorepat->registrar = registrar;
 
    return ignorepat;
}
 
void ignorepat_free(struct ast_ignorepat *ip)
{
    ast_free(ip);
}