87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Channel Variables
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <stdlib.h>
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#include <string.h>
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#include "asterisk/chanvars.h"
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#include "asterisk/logger.h"
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#include "asterisk/strings.h"
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#include "asterisk/utils.h"
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struct ast_var_t *ast_var_assign(const char *name, const char *value)
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{
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struct ast_var_t *var;
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int name_len = strlen(name) + 1;
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int value_len = strlen(value) + 1;
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if (!(var = ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char)))) {
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return NULL;
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}
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ast_copy_string(var->name, name, name_len);
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var->value = var->name + name_len;
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ast_copy_string(var->value, value, value_len);
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return var;
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}
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void ast_var_delete(struct ast_var_t *var)
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{
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if (var)
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free(var);
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}
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const char *ast_var_name(const struct ast_var_t *var)
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{
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const char *name;
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if (var == NULL || (name = var->name) == NULL)
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return NULL;
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/* Return the name without the initial underscores */
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if (name[0] == '_') {
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name++;
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if (name[0] == '_')
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name++;
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}
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return name;
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}
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const char *ast_var_full_name(const struct ast_var_t *var)
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{
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return (var ? var->name : NULL);
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}
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const char *ast_var_value(const struct ast_var_t *var)
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{
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return (var ? var->value : NULL);
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}
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