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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.
*/
/*
*
* Channel Variables
*
*/
#include <stdlib.h>
#include <string.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/chanvars.h"
#include "asterisk/logger.h"
struct ast_var_t *ast_var_assign(const char *name, const char *value)
{
int i;
struct ast_var_t *var;
int len;
len = sizeof(struct ast_var_t);
len += strlen(name) + 1;
len += strlen(value) + 1;
var = malloc(len);
if (var == NULL)
{
ast_log(LOG_WARNING, "Out of memory\n");
return NULL;
}
memset(var, 0, len);
i = strlen(name);
strncpy(var->name, name, i);
var->name[i] = '\0';
var->value = var->name + i + 1;
i = strlen(value);
strncpy(var->value, value, i);
var->value[i] = '\0';
return var;
}
void ast_var_delete(struct ast_var_t *var)
{
if (var == NULL) return;
free(var);
}
char *ast_var_name(struct ast_var_t *var)
{
char *name;
if (var == NULL)
return NULL;
if (var->name == NULL)
return NULL;
/* Return the name without the initial underscores */
if ((strlen(var->name) > 0) && (var->name[0] == '_')) {
if ((strlen(var->name) > 1) && (var->name[1] == '_'))
name = (char*)&(var->name[2]);
else
name = (char*)&(var->name[1]);
} else
name = var->name;
return name;
}
char *ast_var_full_name(struct ast_var_t *var)
{
return (var != NULL ? var->name : NULL);
}
char *ast_var_value(struct ast_var_t *var)
{
return (var != NULL ? var->value : NULL);
}
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