* Copyright 2017, ChαΊΏ VΕ© Gia Hy, cvghy116@gmail.com.
* Copyright 2001-2009, Axel DΓΆrfler, axeld@pinc-software.de.
* This file may be used under the terms of the MIT License.
*/
#ifndef UTILITY_H
#define UTILITY_H
#include "btrfs.h"
enum inode_type {
S_DIRECTORY = S_IFDIR,
S_FILE = S_IFREG,
S_SYMLINK = S_IFLNK,
S_INDEX_TYPES = (S_STR_INDEX | S_INT_INDEX | S_UINT_INDEX
| S_LONG_LONG_INDEX | S_ULONG_LONG_INDEX
| S_FLOAT_INDEX | S_DOUBLE_INDEX),
S_EXTENDED_TYPES = (S_ATTR_DIR | S_ATTR | S_INDEX_DIR)
};
inline uint8
get_filetype(int32 mode)
{
mode &= S_IFMT;
switch (mode)
{
case S_IFSOCK:
return BTRFS_FILETYPE_SOCKET;
case S_IFLNK:
return BTRFS_FILETYPE_SYMLINK;
case S_IFREG:
return BTRFS_FILETYPE_REGULAR;
case S_IFBLK:
return BTRFS_FILETYPE_BLKDEV;
case S_IFDIR:
return BTRFS_FILETYPE_DIRECTORY;
case S_IFCHR:
return BTRFS_FILETYPE_CHRDEV;
case S_IFIFO:
return BTRFS_FILETYPE_FIFO;
default:
return BTRFS_FILETYPE_UNKNOWN;
}
}
access modes, e.g. since O_RDONLY requires read access to the
file, it will be converted to R_OK.
*/
inline int
open_mode_to_access(int openMode)
{
openMode &= O_RWMASK;
if (openMode == O_RDONLY)
return R_OK;
if (openMode == O_WRONLY)
return W_OK;
return R_OK | W_OK;
}
#endif
