[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / alpha / bits / stat.h

/* Copyright (C) 1996-2015 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_KERNEL	0
#define _STAT_VER_GLIBC2	1
#define _STAT_VER_GLIBC2_1	2
#define _STAT_VER_KERNEL64	3
#define _STAT_VER_GLIBC2_3_4	3
#define _STAT_VER_LINUX		3
#define _STAT_VER		_STAT_VER_LINUX

/* Versions of the `xmknod' interface.  */
#define _MKNOD_VER_LINUX	0


/* 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.

   Use neat tidy anonymous unions and structures when possible.  */

#ifdef __USE_XOPEN2K8
# if __GNUC_PREREQ(3,3)
#  define __ST_TIME(X)				\
	__extension__ union {			\
	    struct timespec st_##X##tim;	\
	    struct {				\
		__time_t st_##X##time;		\
		unsigned long st_##X##timensec;	\
	    };					\
	}
# else
#  define __ST_TIME(X) struct timespec st_##X##tim
#  define st_atime st_atim.tv_sec
#  define st_mtime st_mtim.tv_sec
#  define st_ctime st_ctim.tv_sec
# endif
#else
# define __ST_TIME(X)				\
	__time_t st_##X##time;			\
	unsigned long st_##X##timensec
#endif


struct stat
  {
    __dev_t st_dev;		/* Device.  */
#ifdef __USE_FILE_OFFSET64
    __ino64_t st_ino;		/* File serial number.  */
#else
    __ino_t st_ino;		/* File serial number.	*/
    int __pad0;			/* 64-bit st_ino.  */
#endif
    __dev_t st_rdev;		/* Device number, if device.  */
    __off_t st_size;		/* Size of file, in bytes.  */
#ifdef __USE_FILE_OFFSET64
    __blkcnt64_t st_blocks;	/* Nr. 512-byte blocks allocated.  */
#else
    __blkcnt_t st_blocks;	/* Nr. 512-byte blocks allocated.  */
    int __pad1;			/* 64-bit st_blocks.  */
#endif
    __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.*/
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
    __nlink_t st_nlink;		/* Link count.  */
    int __pad2;			/* Real padding.  */
    __ST_TIME(a);		/* Time of last access.  */
    __ST_TIME(m);		/* Time of last modification.  */
    __ST_TIME(c);		/* Time of last status change.  */
    long __glibc_reserved[3];
  };

#ifdef __USE_LARGEFILE64
/* Note stat64 is the same shape as stat.  */
struct stat64
  {
    __dev_t st_dev;		/* Device.  */
    __ino64_t st_ino;		/* File serial number.  */
    __dev_t st_rdev;		/* Device number, if device.  */
    __off_t st_size;		/* Size of file, in bytes.  */
    __blkcnt64_t st_blocks;	/* Nr. 512-byte blocks allocated.  */
    __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.*/
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
    __nlink_t st_nlink;		/* Link count.  */
    int __pad0;			/* Real padding.  */
    __ST_TIME(a);		/* Time of last access.  */
    __ST_TIME(m);		/* Time of last modification.  */
    __ST_TIME(c);		/* Time of last status change.  */
    long __glibc_reserved[3];
  };
#endif

#undef __ST_TIME

/* Tell code we have these members.  */
#define	_STATBUF_ST_BLKSIZE
#define _STATBUF_ST_RDEV
#define _STATBUF_ST_NSEC

/* 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
# define UTIME_NOW	((1l << 30) - 1l)
# define UTIME_OMIT	((1l << 30) - 2l)
#endif

#endif /* bits/stat.h */
Commit	Line	Data
b168057a	1	/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
77569014 UD	2	This file is part of the GNU C Library.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
3214b89b AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
77569014 UD	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3214b89b	12	Lesser General Public License for more details.
77569014	13
3214b89b	14	You should have received a copy of the GNU Lesser General Public
ab84e3ff PE	15	License along with the GNU C Library. If not, see
ab84e3ff PE	16	<http://www.gnu.org/licenses/>. */
77569014	17
54faff05	18	#if !defined _SYS_STAT_H && !defined _FCNTL_H
90571408 UD	19	# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
90571408 UD	20	#endif
77569014	21
aa576322 MT	22	#ifndef _BITS_STAT_H
	23	#define _BITS_STAT_H 1
	24
77569014	25	/* Versions of the `struct stat' data structure. */
def4a5f0 UD	26	#define _STAT_VER_KERNEL 0
	27	#define _STAT_VER_GLIBC2 1
	28	#define _STAT_VER_GLIBC2_1 2
b4d2a423 RH	29	#define _STAT_VER_KERNEL64 3
b4d2a423 RH	30	#define _STAT_VER_GLIBC2_3_4 3
2011e601 RH	31	#define _STAT_VER_LINUX 3
2011e601 RH	32	#define _STAT_VER _STAT_VER_LINUX
77569014 UD	33
	34	/* Versions of the `xmknod' interface. */
	35	#define _MKNOD_VER_LINUX 0
	36
b4d2a423 RH	37
	38	/* Nanosecond resolution timestamps are stored in a format equivalent to
	39	'struct timespec'. This is the type used whenever possible but the
	40	Unix namespace rules do not allow the identifier 'timespec' to appear
	41	in the <sys/stat.h> header. Therefore we have to handle the use of
	42	this header in strictly standard-compliant sources special.
	43
	44	Use neat tidy anonymous unions and structures when possible. */
	45
acd7f096	46	#ifdef __USE_XOPEN2K8
b4d2a423 RH	47	# if __GNUC_PREREQ(3,3)
	48	# define __ST_TIME(X) \
	49	__extension__ union { \
	50	struct timespec st_##X##tim; \
	51	struct { \
	52	__time_t st_##X##time; \
	53	unsigned long st_##X##timensec; \
	54	}; \
	55	}
	56	# else
	57	# define __ST_TIME(X) struct timespec st_##X##tim
	58	# define st_atime st_atim.tv_sec
	59	# define st_mtime st_mtim.tv_sec
	60	# define st_ctime st_ctim.tv_sec
	61	# endif
	62	#else
	63	# define __ST_TIME(X) \
	64	__time_t st_##X##time; \
	65	unsigned long st_##X##timensec
	66	#endif
	67
	68
77569014 UD	69	struct stat
	70	{
	71	__dev_t st_dev; /* Device. */
def4a5f0 UD	72	#ifdef __USE_FILE_OFFSET64
	73	__ino64_t st_ino; /* File serial number. */
	74	#else
77569014	75	__ino_t st_ino; /* File serial number. */
b4d2a423	76	int __pad0; /* 64-bit st_ino. */
def4a5f0	77	#endif
77569014 UD	78	__dev_t st_rdev; /* Device number, if device. */
77569014 UD	79	__off_t st_size; /* Size of file, in bytes. */
def4a5f0 UD	80	#ifdef __USE_FILE_OFFSET64
	81	__blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
	82	#else
	83	__blkcnt_t st_blocks; /* Nr. 512-byte blocks allocated. */
b4d2a423	84	int __pad1; /* 64-bit st_blocks. */
def4a5f0	85	#endif
b4d2a423 RH	86	__mode_t st_mode; /* File mode. */
	87	__uid_t st_uid; /* User ID of the file's owner. */
	88	__gid_t st_gid; /* Group ID of the file's group.*/
69967934	89	__blksize_t st_blksize; /* Optimal block size for I/O. */
b4d2a423 RH	90	__nlink_t st_nlink; /* Link count. */
	91	int __pad2; /* Real padding. */
	92	__ST_TIME(a); /* Time of last access. */
	93	__ST_TIME(m); /* Time of last modification. */
	94	__ST_TIME(c); /* Time of last status change. */
d1d9eaf4	95	long __glibc_reserved[3];
77569014 UD	96	};
77569014 UD	97
def4a5f0 UD	98	#ifdef __USE_LARGEFILE64
	99	/* Note stat64 is the same shape as stat. */
	100	struct stat64
	101	{
	102	__dev_t st_dev; /* Device. */
	103	__ino64_t st_ino; /* File serial number. */
def4a5f0 UD	104	__dev_t st_rdev; /* Device number, if device. */
def4a5f0 UD	105	__off_t st_size; /* Size of file, in bytes. */
def4a5f0	106	__blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
b4d2a423 RH	107	__mode_t st_mode; /* File mode. */
	108	__uid_t st_uid; /* User ID of the file's owner. */
	109	__gid_t st_gid; /* Group ID of the file's group.*/
69967934	110	__blksize_t st_blksize; /* Optimal block size for I/O. */
b4d2a423 RH	111	__nlink_t st_nlink; /* Link count. */
	112	int __pad0; /* Real padding. */
	113	__ST_TIME(a); /* Time of last access. */
	114	__ST_TIME(m); /* Time of last modification. */
	115	__ST_TIME(c); /* Time of last status change. */
d1d9eaf4	116	long __glibc_reserved[3];
def4a5f0 UD	117	};
	118	#endif
	119
b4d2a423 RH	120	#undef __ST_TIME
b4d2a423 RH	121
649d6c33 UD	122	/* Tell code we have these members. */
	123	#define _STATBUF_ST_BLKSIZE
	124	#define _STATBUF_ST_RDEV
b4d2a423	125	#define _STATBUF_ST_NSEC
def4a5f0	126
77569014 UD	127	/* Encoding of the file mode. */
	128
	129	#define __S_IFMT 0170000 /* These bits determine file type. */
	130
	131	/* File types. */
	132	#define __S_IFDIR 0040000 /* Directory. */
	133	#define __S_IFCHR 0020000 /* Character device. */
	134	#define __S_IFBLK 0060000 /* Block device. */
	135	#define __S_IFREG 0100000 /* Regular file. */
	136	#define __S_IFIFO 0010000 /* FIFO. */
77569014 UD	137	#define __S_IFLNK 0120000 /* Symbolic link. */
	138	#define __S_IFSOCK 0140000 /* Socket. */
	139
5c4a6461 UD	140	/* POSIX.1b objects. Note that these macros always evaluate to zero. But
	141	they do it by enforcing the correct use of the macros. */
	142	#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
	143	#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
	144	#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
afda9935	145
77569014 UD	146	/* Protection bits. */
	147
	148	#define __S_ISUID 04000 /* Set user ID on execution. */
	149	#define __S_ISGID 02000 /* Set group ID on execution. */
	150	#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
	151	#define __S_IREAD 0400 /* Read by owner. */
	152	#define __S_IWRITE 0200 /* Write by owner. */
	153	#define __S_IEXEC 0100 /* Execute by owner. */
bdef6f9a	154
ef4239ed	155	#ifdef __USE_ATFILE
bdef6f9a UD	156	# define UTIME_NOW ((1l << 30) - 1l)
	157	# define UTIME_OMIT ((1l << 30) - 2l)
	158	#endif
aa576322 MT	159
aa576322 MT	160	#endif /* bits/stat.h */