[thirdparty/glibc.git] / sysdeps / nacl / bits / stat.h

/* 'struct stat' and related definitions.  NaCl version.
   Copyright (C) 2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#if !defined _SYS_STAT_H && !defined _FCNTL_H
# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
#endif

#ifndef _BITS_STAT_H
#define _BITS_STAT_H	1

/* Versions of the `struct stat' data structure.  */
#define _STAT_VER_NACL		0
#define _STAT_VER_LINUX		1

#define _STAT_VER		_STAT_VER_LINUX

struct stat
  {
    __dev_t st_dev;		/* Device.  */
    __ino_t st_ino;		/* File serial number.	*/
    __nlink_t st_nlink;		/* Link count.  */
    __mode_t st_mode;		/* File mode.  */
    __uid_t st_uid;		/* User ID of the file's owner.	*/
    __gid_t st_gid;		/* Group ID of the file's group.*/
    int __pad0;
    __dev_t st_rdev;		/* Device number, if device.  */
    __off_t st_size;		/* Size of file, in bytes.  */
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
    __blkcnt_t st_blocks;		/* Number 512-byte blocks allocated. */
#if defined __USE_XOPEN2K8
    /* Nanosecond resolution timestamps are stored in a format
       equivalent to 'struct timespec'.  This is the type used
       whenever possible but the Unix namespace rules do not allow the
       identifier 'timespec' to appear in the <sys/stat.h> header.
       Therefore we have to handle the use of this header in strictly
       standard-compliant sources special.  */
    struct timespec st_atim;		/* Time of last access.  */
    struct timespec st_mtim;		/* Time of last modification.  */
    struct timespec st_ctim;		/* Time of last status change.  */
# define st_atime st_atim.tv_sec	/* Backward compatibility.  */
# define st_mtime st_mtim.tv_sec
# define st_ctime st_ctim.tv_sec
#else
    __time_t st_atime;			/* Time of last access.  */
    __uint64_t st_atimensec;            /* Nsecs of last access.  */
    __time_t st_mtime;			/* Time of last modification.  */
    __uint64_t st_mtimensec;            /* Nsecs of last modification.  */
    __time_t st_ctime;			/* Time of last status change.  */
    __uint64_t st_ctimensec;            /* Nsecs of last status change.  */
#endif
    __int64_t __unused[3];
  };

#ifdef __USE_LARGEFILE64
/* Note stat64 has the same shape as stat for NaCl.  */
struct stat64
  {
    __dev_t st_dev;		/* Device.  */
    __ino_t st_ino;		/* File serial number.	*/
    __nlink_t st_nlink;		/* Link count.  */
    __mode_t st_mode;		/* File mode.  */
    __uid_t st_uid;		/* User ID of the file's owner.	*/
    __gid_t st_gid;		/* Group ID of the file's group.*/
    int __pad0;
    __dev_t st_rdev;		/* Device number, if device.  */
    __off_t st_size;		/* Size of file, in bytes.  */
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
    __blkcnt_t st_blocks;		/* Number 512-byte blocks allocated. */
# if defined __USE_XOPEN2K8
    /* Nanosecond resolution timestamps are stored in a format
       equivalent to 'struct timespec'.  This is the type used
       whenever possible but the Unix namespace rules do not allow the
       identifier 'timespec' to appear in the <sys/stat.h> header.
       Therefore we have to handle the use of this header in strictly
       standard-compliant sources special.  */
    struct timespec st_atim;		/* Time of last access.  */
    struct timespec st_mtim;		/* Time of last modification.  */
    struct timespec st_ctim;		/* Time of last status change.  */
#  define st_atime st_atim.tv_sec	/* Backward compatibility.  */
#  define st_mtime st_mtim.tv_sec
#  define st_ctime st_ctim.tv_sec
# else
    __time_t st_atime;			/* Time of last access.  */
    __uint64_t st_atimensec;            /* Nsecs of last access.  */
    __time_t st_mtime;			/* Time of last modification.  */
    __uint64_t st_mtimensec;            /* Nsecs of last modification.  */
    __time_t st_ctime;			/* Time of last status change.  */
    __uint64_t st_ctimensec;            /* Nsecs of last status change.  */
# endif
    __int64_t __unused[3];
  };
#endif

/* Tell code we have these members.  */
#define	_STATBUF_ST_BLKSIZE	1
#define _STATBUF_ST_RDEV	1
/* Nanosecond resolution time values are supported.  */
#define _STATBUF_ST_NSEC	1

/* Encoding of the file mode.  */

#define	__S_IFMT	0170000	/* These bits determine file type.  */

/* File types.  */
#define	__S_IFDIR	0040000	/* Directory.  */
#define	__S_IFCHR	0020000	/* Character device.  */
#define	__S_IFBLK	0060000	/* Block device.  */
#define	__S_IFREG	0100000	/* Regular file.  */
#define	__S_IFIFO	0010000	/* FIFO.  */
#define	__S_IFLNK	0120000	/* Symbolic link.  */
#define	__S_IFSOCK	0140000	/* Socket.  */

/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
   they do it by enforcing the correct use of the macros.  */
#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)

/* Protection 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 after use (sticky).  */
#define	__S_IREAD	0400	/* Read by owner.  */
#define	__S_IWRITE	0200	/* Write by owner.  */
#define	__S_IEXEC	0100	/* Execute by owner.  */

#ifdef __USE_ATFILE
/* XXX missing: UTIME_NOW, UTIME_OMIT */
#endif

#endif	/* bits/stat.h */
Commit	Line	Data
d1e44df1 RM	1	/* 'struct stat' and related definitions. NaCl version.
	2	Copyright (C) 2015 Free Software Foundation, Inc.
	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library; if not, see
	17	<http://www.gnu.org/licenses/>. */
	18
	19	#if !defined _SYS_STAT_H && !defined _FCNTL_H
	20	# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
	21	#endif
	22
	23	#ifndef _BITS_STAT_H
	24	#define _BITS_STAT_H 1
	25
	26	/* Versions of the `struct stat' data structure. */
	27	#define _STAT_VER_NACL 0
	28	#define _STAT_VER_LINUX 1
	29
	30	#define _STAT_VER _STAT_VER_LINUX
	31
	32	struct stat
	33	{
	34	__dev_t st_dev; /* Device. */
	35	__ino_t st_ino; /* File serial number. */
	36	__nlink_t st_nlink; /* Link count. */
	37	__mode_t st_mode; /* File mode. */
	38	__uid_t st_uid; /* User ID of the file's owner. */
	39	__gid_t st_gid; /* Group ID of the file's group.*/
	40	int __pad0;
	41	__dev_t st_rdev; /* Device number, if device. */
	42	__off_t st_size; /* Size of file, in bytes. */
	43	__blksize_t st_blksize; /* Optimal block size for I/O. */
	44	__blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
a06b40cd	45	#if defined __USE_XOPEN2K8
d1e44df1 RM	46	/* Nanosecond resolution timestamps are stored in a format
	47	equivalent to 'struct timespec'. This is the type used
	48	whenever possible but the Unix namespace rules do not allow the
	49	identifier 'timespec' to appear in the <sys/stat.h> header.
	50	Therefore we have to handle the use of this header in strictly
	51	standard-compliant sources special. */
	52	struct timespec st_atim; /* Time of last access. */
	53	struct timespec st_mtim; /* Time of last modification. */
	54	struct timespec st_ctim; /* Time of last status change. */
	55	# define st_atime st_atim.tv_sec /* Backward compatibility. */
	56	# define st_mtime st_mtim.tv_sec
	57	# define st_ctime st_ctim.tv_sec
	58	#else
	59	__time_t st_atime; /* Time of last access. */
	60	__uint64_t st_atimensec; /* Nsecs of last access. */
	61	__time_t st_mtime; /* Time of last modification. */
	62	__uint64_t st_mtimensec; /* Nsecs of last modification. */
	63	__time_t st_ctime; /* Time of last status change. */
	64	__uint64_t st_ctimensec; /* Nsecs of last status change. */
	65	#endif
	66	__int64_t __unused[3];
	67	};
	68
	69	#ifdef __USE_LARGEFILE64
	70	/* Note stat64 has the same shape as stat for NaCl. */
	71	struct stat64
	72	{
	73	__dev_t st_dev; /* Device. */
	74	__ino_t st_ino; /* File serial number. */
	75	__nlink_t st_nlink; /* Link count. */
	76	__mode_t st_mode; /* File mode. */
	77	__uid_t st_uid; /* User ID of the file's owner. */
	78	__gid_t st_gid; /* Group ID of the file's group.*/
	79	int __pad0;
	80	__dev_t st_rdev; /* Device number, if device. */
	81	__off_t st_size; /* Size of file, in bytes. */
	82	__blksize_t st_blksize; /* Optimal block size for I/O. */
	83	__blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
a06b40cd	84	# if defined __USE_XOPEN2K8
d1e44df1 RM	85	/* Nanosecond resolution timestamps are stored in a format
	86	equivalent to 'struct timespec'. This is the type used
	87	whenever possible but the Unix namespace rules do not allow the
	88	identifier 'timespec' to appear in the <sys/stat.h> header.
	89	Therefore we have to handle the use of this header in strictly
	90	standard-compliant sources special. */
	91	struct timespec st_atim; /* Time of last access. */
	92	struct timespec st_mtim; /* Time of last modification. */
	93	struct timespec st_ctim; /* Time of last status change. */
	94	# define st_atime st_atim.tv_sec /* Backward compatibility. */
	95	# define st_mtime st_mtim.tv_sec
	96	# define st_ctime st_ctim.tv_sec
	97	# else
	98	__time_t st_atime; /* Time of last access. */
	99	__uint64_t st_atimensec; /* Nsecs of last access. */
	100	__time_t st_mtime; /* Time of last modification. */
	101	__uint64_t st_mtimensec; /* Nsecs of last modification. */
	102	__time_t st_ctime; /* Time of last status change. */
	103	__uint64_t st_ctimensec; /* Nsecs of last status change. */
	104	# endif
	105	__int64_t __unused[3];
	106	};
	107	#endif
	108
	109	/* Tell code we have these members. */
	110	#define _STATBUF_ST_BLKSIZE 1
	111	#define _STATBUF_ST_RDEV 1
	112	/* Nanosecond resolution time values are supported. */
	113	#define _STATBUF_ST_NSEC 1
	114
	115	/* Encoding of the file mode. */
	116
	117	#define __S_IFMT 0170000 /* These bits determine file type. */
	118
	119	/* File types. */
	120	#define __S_IFDIR 0040000 /* Directory. */
	121	#define __S_IFCHR 0020000 /* Character device. */
	122	#define __S_IFBLK 0060000 /* Block device. */
	123	#define __S_IFREG 0100000 /* Regular file. */
	124	#define __S_IFIFO 0010000 /* FIFO. */
	125	#define __S_IFLNK 0120000 /* Symbolic link. */
	126	#define __S_IFSOCK 0140000 /* Socket. */
	127
	128	/* POSIX.1b objects. Note that these macros always evaluate to zero. But
	129	they do it by enforcing the correct use of the macros. */
	130	#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
	131	#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
	132	#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
	133
	134	/* Protection bits. */
	135
	136	#define __S_ISUID 04000 /* Set user ID on execution. */
	137	#define __S_ISGID 02000 /* Set group ID on execution. */
	138	#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
	139	#define __S_IREAD 0400 /* Read by owner. */
	140	#define __S_IWRITE 0200 /* Write by owner. */
	141	#define __S_IEXEC 0100 /* Execute by owner. */
	142
	143	#ifdef __USE_ATFILE
	144	/* XXX missing: UTIME_NOW, UTIME_OMIT */
	145	#endif
	146
	147	#endif /* bits/stat.h */