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/*
* Variable implementation in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_VAR_H__
#define __FINSH_VAR_H__
#include <finsh.h>
/*
* The variable in finsh is put in data segment as a global variable.
* The 'finsh_var' structure presents the structure of variable in data segment.
*/
struct finsh_var
{
char name[FINSH_NAME_MAX + 1]; /* the name of variable */
u_char type; /* the type of variable */
/* variable value */
union {
char char_value;
short short_value;
int int_value;
long long_value;
void* ptr;
}value;
};
extern struct finsh_var global_variable[];
int finsh_var_init(void);
int finsh_var_insert(const char* name, int type);
int finsh_var_delete(const char* name);
struct finsh_var* finsh_var_lookup(const char* name);
#endif
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