rt-thread-official/components/finsh/finsh_var.h

/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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 */

    uint8_t 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