system.h

Go to the documentation of this file.

/* -*- mode: c; c-basic-offset: 4; -*- */
/* Created by Eric Crosson 2015-02-10 */
#ifndef __SYSTEM__
#define __SYSTEM__

#include <stdbool.h>
#include "libstd/nexus.h"

#define SYSTEM_MAX_COMMAND_NAME_LENGTH 16

#define SYSTEM_MAX_COMMANDS            16

typedef uint8_t  system_iterator;

typedef uint8_t exit_status_t;

struct system_command;
typedef struct system_command {

    /* TODO: document members of the struct */
    bool valid;
    char name[SYSTEM_MAX_COMMAND_NAME_LENGTH];
    int(*command)();

    struct system_command* next;
    struct system_command* prev;
} system_command;

void system_init();

bool system_register_command(const char*, int(*)());

bool system_deregister_command(const char*);

exit_status_t system_exec(const char*, const char**);

system_command* _system_command_from_name(const char* command_name);

#endif