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/*
* Copyright (c) 2019 Dave Vasilevsky <dave@vasilevsky.ca>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stat.h"
#include "nonstd.h"
#include <string.h>
sqfs_err sqfs_stat(sqfs *fs, sqfs_inode *inode, struct stat *st) {
sqfs_err err = SQFS_OK;
uid_t id;
memset(st, 0, sizeof(*st));
st->st_mode = inode->base.mode;
st->st_nlink = inode->nlink;
st->st_mtime = st->st_ctime = st->st_atime = inode->base.mtime;
if (S_ISREG(st->st_mode)) {
/* FIXME: do symlinks, dirs, etc have a size? */
st->st_size = inode->xtra.reg.file_size;
st->st_blocks = st->st_size / 512;
} else if (S_ISBLK(st->st_mode) || S_ISCHR(st->st_mode)) {
st->st_rdev = sqfs_makedev(inode->xtra.dev.major,
inode->xtra.dev.minor);
} else if (S_ISLNK(st->st_mode)) {
st->st_size = inode->xtra.symlink_size;
}
st->st_blksize = fs->sb.block_size; /* seriously? */
if (fs->uid > 0) {
st->st_uid = fs->uid;
} else {
err = sqfs_id_get(fs, inode->base.uid, &id);
if (err)
return err;
st->st_uid = id;
}
if (fs->gid > 0) {
st->st_gid = fs->gid;
} else {
err = sqfs_id_get(fs, inode->base.guid, &id);
st->st_gid = id;
if (err)
return err;
}
return SQFS_OK;
}
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