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/* Gopherfs node handling routines
Copyright (C) 2002 James A. Morrison <ja2morri@uwaterloo.ca>
Copyright (C) 2000 Igor Khavkine <igor@twu.net>
This file is part of the Gopherfs translator.
Gopherfs 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, or (at
your option) any later version.
Gopherfs 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, USA. */
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "gopherfs.h"
#include <hurd/hurd_types.h>
#include <hurd/netfs.h>
/* make an instance of `struct netnode' with the specified parameters,
return NULL on error */
struct netnode *
gopherfs_make_netnode (char type, char *name, char *selector,
char *server, unsigned short port)
{
struct netnode *nn;
int err;
nn = (struct netnode *) malloc (sizeof (struct netnode));
if (!nn)
return NULL;
memset (nn, 0, sizeof (struct netnode));
nn->type = type;
nn->name = strdup (name);
if (! nn->name)
err = 1;
nn->selector = strdup (selector);
if (! nn->selector)
err = 2;
nn->server = strdup (server);
if (! nn->server)
err = 3;
nn->port = port;
nn->ents = NULL;
nn->noents = FALSE;
/* XXX init cache references */
switch (err)
{
case 4:
free (nn->server);
case 3:
free (nn->selector);
case 2:
free (nn->name);
case 1:
free (nn);
case 0:
return NULL;
default:
return nn;
}
}
/* free an instance of `struct netnode' */
void
free_netnode (struct netnode *node)
{
struct node *nd;
free (node->server);
free (node->selector);
free (node->name);
for (nd = node->ents; nd; nd = nd->next)
free (nd);
free (node);
}
/* make an instance of `struct node' with the specified parameters,
return NULL on error */
struct node *
gopherfs_make_node (char type, char *name, char *selector,
char *server, unsigned short port)
{
struct netnode *nn;
struct node *nd;
nn = gopherfs_make_netnode (type, name, selector, server, port);
if (!nn)
return NULL;
nd = netfs_make_node (nn);
if (!nd)
{
free (nn);
return NULL;
}
nd->next = NULL;
nd->prevp = NULL;
nd->owner = gopherfs->uid;
/* XXX Hold a reference to the new dir's node. */
spin_lock (&netfs_node_refcnt_lock);
nd->references++;
spin_unlock (&netfs_node_refcnt_lock);
/* fill in stat info for the node */
nd->nn_stat.st_mode = (S_IRUSR | S_IRGRP | S_IROTH) & ~gopherfs->umask;
nd->nn_stat.st_mode |= type == GPHR_DIR ? S_IFDIR : S_IFREG;
nd->nn_stat.st_nlink = 1;
nd->nn_stat.st_uid = gopherfs->uid;
nd->nn_stat.st_gid = gopherfs->gid;
nd->nn_stat.st_rdev = 0;
nd->nn_stat.st_size = 0;
nd->nn_stat.st_blksize = 0;
nd->nn_stat.st_blocks = 0;
nd->nn_stat.st_ino = gopherfs->next_inode++;
fshelp_touch (&nd->nn_stat, TOUCH_ATIME | TOUCH_MTIME | TOUCH_CTIME,
gopherfs_maptime);
return nd;
}
/* free an instance of `struct node' */
void
free_node (struct node *node)
{
/* XXX possibly take care of cache references */
free_netnode (node->nn);
free (node);
}
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