RT-Thread finsh源码分析: finsh_error.h

/* *  error number for finsh shell. * * COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd * *  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_ERROR_H__#define __FINSH_ERROR_H__#include <finsh.h>  //此处引用了错误码类型的宏定义int finsh_error_init(void);    //错误码    global_errno = FINSH_ERROR_OK;/* get error number */u_char finsh_errno(void);  //获取错误码global_errnoint finsh_error_set(u_char type);  //设置错误码类型，在finsh.h中定义const char* finsh_error_string(u_char type); //通过错误码类型找到对应字符串#endif