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/**
* Copyright (c) 2008-2010 Alper Akcan <alper.akcan@gmail.com>
* Copyright (c) 2009-2010 Renzo Davoli <renzo@cs.unibo.it>
*
* 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 (in the main directory of the fuse-ext2
* distribution in the file COPYING); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "fuse-ext2.h"
int op_truncate(const char *path, off_t length)
{
int rt;
struct ext2_vnode *vnode;
ext2_filsys e2fs;
FUSE_EXT2_LOCK;
e2fs = current_ext2fs();
debugf("enter");
debugf("path = %s", path);
rt = do_check(path);
if (rt != 0) {
debugf("do_check(%s); failed", path);
goto err;
}
vnode = do_open(e2fs, path, O_WRONLY);
if (vnode == NULL) {
debugf("do_open(%s); failed", path);
rt = -ENOENT;
goto err;
}
rt = vnode_file_set_size(vnode, length);
if (rt) {
vnode_file_close(vnode);
debugf("ext2fs_file_set_size(vnode, %d); failed", length);
goto err;
}
rt = vnode_file_close(vnode);
if (rt != 0) {
debugf("do_release(vnode); failed");
goto err;
}
debugf("leave");
FUSE_EXT2_UNLOCK;
return 0;
err:
FUSE_EXT2_UNLOCK;
return rt;
}
int op_ftruncate(const char *path, off_t length, struct fuse_file_info *fi)
{
size_t rt;
FUSE_EXT2_LOCK;
debugf("enter");
debugf("path = %s", path);
rt = vnode_file_set_size(EXT2FS_VNODE(fi->fh), length);
debugf("leave");
FUSE_EXT2_UNLOCK;
return rt;
}
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