blob: 837d94b8099a8cc7861fbe6547b37898f7d399f3 [file] [log] [blame]
/*
* Copyright 2006 Jeff Garzik <jgarzik@pobox.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.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <glib.h>
#include <db.h>
#include "dbfs.h"
static int make_root_dir(DB_TXN *txn)
{
struct dbfs_inode *ino;
guint64 curtime;
int rc;
/* allocate an empty inode */
ino = g_new0(struct dbfs_inode, 1);
ino->raw_ino_size = sizeof(struct dbfs_raw_inode);
ino->raw_inode = malloc(ino->raw_ino_size);
memset(ino->raw_inode, 0, ino->raw_ino_size);
ino->raw_inode->ino = GUINT64_TO_LE(1);
ino->raw_inode->mode = GUINT32_TO_LE(S_IFDIR | 0755);
ino->raw_inode->nlink = GUINT32_TO_LE(2);
curtime = GUINT64_TO_LE(time(NULL));
ino->raw_inode->ctime = curtime;
ino->raw_inode->atime = curtime;
ino->raw_inode->mtime = curtime;
rc = dbfs_inode_write(txn, ino);
if (rc)
goto err_die;
rc = dbfs_dir_new(txn, 1, 1, ino);
if (rc)
goto err_die;
dbfs_inode_free(ino);
return 0;
err_die:
errno = -rc;
perror("dbfs_inode_write");
return 1;
}
int main (int argc, char *argv[])
{
struct dbfs *fs = dbfs_new();
DB_TXN *txn;
int pgm_rc = 0;
gfs = fs;
if (!fs)
return 1;
int rc = dbfs_open(fs, DB_CREATE, DB_CREATE, "mkdbfs", FALSE);
if (rc) {
perror("mkdbfs open");
return 1;
}
rc = fs->env->txn_begin(fs->env, NULL, &txn, 0);
if (rc) {
perror("mkdbfs txn_begin");
pgm_rc = 1;
goto out;
}
rc = make_root_dir(txn);
if (rc) {
txn->abort(txn);
pgm_rc = 1;
goto out;
}
rc = txn->commit(txn, 0);
if (rc) {
perror("mkdbfs txn_commit");
pgm_rc = 1;
goto out;
}
out:
dbfs_close(fs);
return pgm_rc;
}