haiku/headers/posix/sys/stat.h

/*
 * Copyright 2002-2006, 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>


struct stat {
	dev_t			st_dev;			/* "device" that this file resides on */
	ino_t			st_ino;			/* this file's inode #, unique per device */
	mode_t			st_mode;		/* mode bits (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) */
	size_t			st_blksize;		/* preferred block size for i/o */
	time_t			st_atime;		/* last access time */
	time_t			st_mtime;		/* last modification time */
	time_t			st_ctime;		/* last change time, not creation time */
	time_t			st_crtime;		/* creation time */

	// Haiku extensions:
	// TODO: we might also define special types for files and TTYs
	// TODO: we should find another solution for this, as BStatable::GetStat()
	//		can only retrieve the R5 stat structure
	unsigned int	st_type;		/* attribute/index type */
};

/* 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_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_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 */

#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 */

#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO)
#define ALLPERMS    (S_ISUID | S_ISGID | S_ISTXT | 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 */

#ifdef __cplusplus
extern "C" {
#endif

extern int    chmod(const char *path, mode_t mode);
extern int 	  fchmod(int fd, mode_t mode);
extern int    _stat(const char *path, struct stat *st, size_t statSize);
extern int    _fstat(int fd, struct stat *st, size_t statSize);
extern int    _lstat(const char *path, struct stat *st, size_t statSize);
extern int    mkdir(const char *path, mode_t mode);
extern int    mkfifo(const char *path, mode_t mode);
extern mode_t umask(mode_t cmask);

// This achieves backwards compatibility with R5
#if 0 //def HAIKU_TARGET_PLATFORM_HAIKU
#define stat(fd, st) _stat(fd, st, sizeof(struct stat))
#define fstat(fd, st) _fstat(fd, st, sizeof(struct stat))
#define lstat(fd, st) _lstat(fd, st, sizeof(struct stat))
#else
// ... and this fixes the build for R5 for now
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);
#endif

#ifdef __cplusplus
}
#endif

#endif	/* _SYS_STAT_H_ */