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/*

 *

 *  Instantatiate a new terminal shell.

 *

 *  Author:

 *

 *   WORK: fernando.ruiz@ctv.es

 *   HOME: correo@fernando-ruiz.com

 *

 *   Thanks at:

 *    Chris John

 *

 *  shell.h,v 1.3 2001/08/09 22:08:46 joel Exp

 */

#ifndef __SHELL_H__

#define __SHELL_H__

#ifdef __cplusplus

extern "C" {

#endif  

#include <rtems.h>      

#include <stdio.h>      

#include <termios.h>    

typedef int (*shell_command_t)(int argc,char * argv[]);

struct shell_cmd_tt ;

typedef struct shell_cmd_tt shell_cmd_t;

struct shell_cmd_tt {

 char * name;

 char * usage;

 char * topic;

 shell_command_t command;

 shell_cmd_t * alias;

 shell_cmd_t * next;

};

rtems_unsigned32 new_rtems_name(char * rtems_name);

shell_cmd_t * shell_lookup_cmd(char * cmd);

shell_cmd_t * shell_add_cmd(char * cmd,

                            char * topic,

                            char * usage,

                            shell_command_t command);

shell_cmd_t * shell_alias_cmd(char * cmd, char * alias);

int shell_make_args(char * cmd,

                    int  * pargc,

                    char * argv[]);

typedef struct  {

  rtems_name magic; /* 'S','E','N','V': Shell Environment */

  char * devname;

  char * taskname;

  tcflag_t tcflag;

  /* user extensions */

  int  exit_shell; /* logout */

  int  forever   ; /* repeat login */

  int  errorlevel;

  int  mdump_adr;

} shell_env_t;

int shell_scanline(char * line,int size,FILE * in,FILE * out) ;

void cat_file(FILE * out,char *name);

void write_file(char *name,char * content);

rtems_status_code shell_init(char * task_name      ,

                              rtems_unsigned32    task_stacksize,/*0 default*/

                              rtems_task_priority task_priority ,

                              char * devname      ,

                              tcflag_t tcflag     ,

                              int forever         );

extern shell_env_t global_shell_env,

                *  current_shell_env;

/*--------*/

/* cmds.c */

/*--------*/

int str2int(char * s);

void register_cmds(void);

#ifdef __cplusplus

}

#endif  

#endif