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/*-*-c++-*-
* $Id$
*
* This file is part of plptools.
*
* Copyright (C) 1999-2001 Fritz Elfert <felfert@to.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _BUILTINS_H_
#define _BUILTINS_H_
struct builtin_node_t;
typedef struct builtin_child_t {
struct builtin_child_t *next;
struct builtin_node_t *node;
} builtin_child;
/**
* Support for procfs-like builtin virtual files/directories
*/
typedef struct builtin_node_t {
struct builtin_node_t *next;
struct builtin_node_t *parent;
builtin_child *childs;
char *private_data;
char *name;
unsigned long flags;
long attr;
long size;
long (*getsize)(struct builtin_node_t *node);
long (*read)(struct builtin_node_t *node, char *buf, unsigned long offset, long len);
long (*write)(struct builtin_node_t *node, char *buf, unsigned long offset, long len);
long (*sattr)(struct builtin_node_t *node, unsigned long sa, unsigned long da);
long (*getlinks)(struct builtin_node_t *node);
long (*getdents)(struct builtin_node_t *node, dentry **entries);
} builtin_node;
#define BF_EXISTS_ALWAYS 1
#define BF_NOCACHE 2
#define BF_ISPROCESS 4
/**
* Register a builtin handler for an entry in /proc
*/
builtin_node *register_builtin(char *parent, builtin_node *node);
/**
* Deregister a previously registered handler.
*/
extern int unregister_builtin(builtin_node *);
extern char *builtin_path(builtin_node *node);
extern long generic_getlinks(builtin_node *node);
extern long generic_getdents(builtin_node *node, dentry **entries);
#endif /* _BUILTINS_H_ */
/*
* Local variables:
* c-basic-offset: 4
* End:
*/
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