stat.h

/*
 * Copyright (C) 2012-2018, Samsung Electronics Co., Ltd.
 *
 * File statistics
 */

#pragma once

#include <core/types.h>

#define S_IRWXU     0700
#define S_IRUSR     0400
#define S_IWUSR     0200
#define S_IXUSR     0100
#define S_IRWXG     0070
#define S_IRGRP     0040
#define S_IWGRP     0020
#define S_IXGRP     0010
#define S_IRWXO     0007
#define S_IROTH     0004
#define S_IWOTH     0002
#define S_IXOTH     0001

/* Nodes with S_NO_OPTIMIZE flag should not be unlinked by kernel optimizations
 * (e.g. shrinker or direct data mapping) */
#define S_NO_OPTIMIZE   01000

#define S_IFMT_SHIFT    16
#define S_IFDIR     (1 << S_IFMT_SHIFT)
#define S_IFREG     (2 << S_IFMT_SHIFT)
#define S_IFSOCK    (3 << S_IFMT_SHIFT)
#define S_IFDEV     (4 << S_IFMT_SHIFT)
#define S_IFMT      (7 << S_IFMT_SHIFT)

#define S_ISREG(type)       (((type) & S_IFMT) == S_IFREG)
#define S_ISDIR(type)       (((type) & S_IFMT) == S_IFDIR)
#define S_ISSOCK(type)      (((type) & S_IFMT) == S_IFSOCK)

#define S_NO_DATA   (unsigned int)-1

/* Remote nodes represent files which are not controlled by SK. */
#define S_REMOTE    010000
#define S_ISREMOTE(type)    (((type) & S_REMOTE) == S_REMOTE)

struct stat {
    uint32_t    st_mode; 
    uint32_t    st_uid; 
    uint32_t    st_gid; 
    uint32_t    st_size; 
    uint32_t    st_refcount; 
};