/*
 * Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_


#include <sys/types.h>
#include <time.h>


struct stat {
        dev_t                   st_dev;                 /* device ID that this file resides on */
        ino_t                   st_ino;                 /* this file's serial inode ID */
        mode_t                  st_mode;                /* file mode (rwx for user, group, etc) */
        nlink_t                 st_nlink;               /* number of hard links to this file */
        uid_t                   st_uid;                 /* user ID of the owner of this file */
        gid_t                   st_gid;                 /* group ID of the owner of this file */
        off_t                   st_size;                /* size in bytes of this file */
        dev_t                   st_rdev;                /* device type (not used) */
        blksize_t               st_blksize;             /* preferred block size for I/O */
        struct timespec st_atim;                /* last access time */
        struct timespec st_mtim;                /* last modification time */
        struct timespec st_ctim;                /* last change time, not creation time */
        struct timespec st_crtim;               /* creation time */
        __haiku_uint32  st_type;                /* attribute/index type */
        blkcnt_t                st_blocks;              /* number of blocks allocated for object */
};

/* source compatibility with old stat structure */
#define st_atime        st_atim.tv_sec
#define st_mtime        st_mtim.tv_sec
#define st_ctime        st_ctim.tv_sec
#define st_crtime       st_crtim.tv_sec


/* extended file types */
#define S_ATTR_DIR                      01000000000     /* attribute directory */
#define S_ATTR                          02000000000     /* attribute */
#define S_INDEX_DIR                     04000000000     /* index (or index directory) */
#define S_STR_INDEX                     00100000000     /* string index */
#define S_INT_INDEX                     00200000000     /* int32 index */
#define S_UINT_INDEX            00400000000     /* uint32 index */
#define S_LONG_LONG_INDEX       00010000000     /* int64 index */
#define S_ULONG_LONG_INDEX      00020000000     /* uint64 index */
#define S_FLOAT_INDEX           00040000000     /* float index */
#define S_DOUBLE_INDEX          00001000000     /* double index */
#define S_ALLOW_DUPS            00002000000     /* allow duplicate entries (currently unused) */

/* link types */
#define S_LINK_SELF_HEALING     00001000000     /* link will be updated if you move its target */
#define S_LINK_AUTO_DELETE      00002000000     /* link will be deleted if you delete its target */

/* standard file types */
#define S_IFMT                          00000170000 /* type of file */
#define S_IFSOCK                        00000140000 /* socket */
#define S_IFLNK                         00000120000 /* symbolic link */
#define S_IFREG                         00000100000 /* regular */
#define S_IFBLK                         00000060000 /* block special */
#define S_IFDIR                         00000040000 /* directory */
#define S_IFCHR                         00000020000 /* character special */
#define S_IFIFO                         00000010000 /* fifo */

#define S_ISREG(mode)           (((mode) & S_IFMT) == S_IFREG)
#define S_ISLNK(mode)           (((mode) & S_IFMT) == S_IFLNK)
#define S_ISBLK(mode)           (((mode) & S_IFMT) == S_IFBLK)
#define S_ISDIR(mode)           (((mode) & S_IFMT) == S_IFDIR)
#define S_ISCHR(mode)           (((mode) & S_IFMT) == S_IFCHR)
#define S_ISFIFO(mode)          (((mode) & S_IFMT) == S_IFIFO)
#define S_ISSOCK(mode)          (((mode) & S_IFMT) == S_IFSOCK)
#define S_ISINDEX(mode)         (((mode) & S_INDEX_DIR) == S_INDEX_DIR)

#define S_IUMSK 07777           /* user settable bits */

#define S_ISUID 04000       /* set user id on execution */
#define S_ISGID 02000       /* set group id on execution */

#define S_ISVTX 01000       /* save swapped text even after use (sticky bit) */

#define S_IRWXU 00700       /* read, write, execute: owner */
#define S_IRUSR 00400       /* read permission: owner */
#define S_IWUSR 00200       /* write permission: owner */
#define S_IXUSR 00100       /* execute permission: owner */
#define S_IRWXG 00070       /* read, write, execute: group */
#define S_IRGRP 00040       /* read permission: group */
#define S_IWGRP 00020       /* write permission: group */
#define S_IXGRP 00010       /* execute permission: group */
#define S_IRWXO 00007       /* read, write, execute: other */
#define S_IROTH 00004       /* read permission: other */
#define S_IWOTH 00002       /* write permission: other */
#define S_IXOTH 00001       /* execute permission: other */

/* BSD extensions */
#define S_IREAD         S_IRUSR
#define S_IWRITE        S_IWUSR
#define S_IEXEC         S_IXUSR

#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO)
#define ALLPERMS    (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO)
#define DEFFILEMODE     (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
        /* default file mode, everyone can read/write */

/* special values for timespec::tv_nsec passed to utimensat(), futimens() */
#define UTIME_NOW       1000000000
#define UTIME_OMIT      1000000001

#ifdef __cplusplus
extern "C" {
#endif

extern int              chmod(const char *path, mode_t mode);
extern int              fchmod(int fd, mode_t mode);
extern int              fchmodat(int fd, const char *path, mode_t mode, int flag);
extern int              stat(const char *path, struct stat *st);
extern int              fstat(int fd, struct stat *st);
extern int              lstat(const char *path, struct stat *st);
extern int              fstatat(int fd, const char *path, struct stat *st, int flag);
extern int              mkdir(const char *path, mode_t mode);
extern int              mkdirat(int fd, const char *path, mode_t mode);
extern int              mkfifo(const char *path, mode_t mode);
extern int              mkfifoat(int fd, const char *path, mode_t mode);
extern int              mknod(const char *name, mode_t mode, dev_t dev);
extern int              mknodat(int fd, const char *name, mode_t mode, dev_t dev);
extern mode_t   umask(mode_t cmask);

extern int              utimensat(int fd, const char *path,
                                        const struct timespec times[2], int flag);
extern int              futimens(int fd, const struct timespec times[2]);

#ifdef __cplusplus
}
#endif

#endif  /* _SYS_STAT_H_ */