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#include <typedefs.h>

#include <list.h>

#include <synch/spinlock.h>

enum cmd_arg_type {

    ARG_TYPE_INVALID = 0,

    ARG_TYPE_INT,

    ARG_TYPE_STRING

};

/** Structure representing one argument of kconsole command line. */

struct cmd_arg {

    cmd_arg_type_t type;        /**< Type descriptor. */

    void *buffer;           /**< Buffer where to store data. */

    size_t buflen;          /**< Size of the buffer. */

};

/** Structure representing one kconsole command. */

struct cmd_info {

    link_t link;            /**< Command list link. */

    spinlock_t lock;        /**< This lock protects everything below. */

    const char *name;       /**< Command name. */

    const char *description;    /**< Textual description. */

    int (* func)(cmd_arg_t *cmd);   /**< Function implementing the command. */

    count_t argc;           /**< Number of arguments. */

    cmd_arg_t *argv;        /**< Argument vector. */

};

extern spinlock_t cmd_lock;

extern link_t cmd_head;

extern void kconsole_init(void);

extern int cmd_register(cmd_info_t *cmd);