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/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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
#include <endian.h>
#include <bits/wordsize.h>
/* 64-bit libc uses the kernel's 'struct stat', accessed via the
stat() syscall; 32-bit libc uses the kernel's 'struct stat64'
and accesses it via the stat64() syscall. All the various
APIs offered by libc use the kernel shape for their struct stat
structure; the only difference is that 32-bit programs not
using __USE_FILE_OFFSET64 only see the low 32 bits of some
of the fields (specifically st_ino, st_size, and st_blocks). */
#define _STAT_VER_KERNEL 0
#define _STAT_VER_LINUX 0
#define _STAT_VER _STAT_VER_KERNEL
/* Versions of the `xmknod' interface. */
#define _MKNOD_VER_LINUX 0
#if defined __USE_FILE_OFFSET64
# define __field64(type, type64, name) type64 name
#elif __WORDSIZE == 64
# define __field64(type, type64, name) type name
#elif __BYTE_ORDER == __LITTLE_ENDIAN
# define __field64(type, type64, name) \
type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
#else
# define __field64(type, type64, name) \
int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
#endif
struct stat
{
__dev_t st_dev; /* Device. */
__field64(__ino_t, __ino64_t, st_ino); /* File serial number. */
__mode_t st_mode; /* File mode. */
__nlink_t st_nlink; /* Link count. */
__uid_t st_uid; /* User ID of the file's owner. */
__gid_t st_gid; /* Group ID of the file's group.*/
__dev_t st_rdev; /* Device number, if device. */
__dev_t __pad1;
__field64(__off_t, __off64_t, st_size); /* Size of file, in bytes. */
__blksize_t st_blksize; /* Optimal block size for I/O. */
int __pad2;
__field64(__blkcnt_t, __blkcnt64_t, st_blocks); /* 512-byte blocks */
#ifdef __USE_MISC
/* 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. */
unsigned long int st_atimensec; /* Nscecs of last access. */
__time_t st_mtime; /* Time of last modification. */
unsigned long int st_mtimensec; /* Nsecs of last modification. */
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
int __glibc_reserved[2];
};
#undef __field64
#ifdef __USE_LARGEFILE64
struct stat64
{
__dev_t st_dev; /* Device. */
__ino64_t st_ino; /* File serial number. */
__mode_t st_mode; /* File mode. */
__nlink_t st_nlink; /* Link count. */
__uid_t st_uid; /* User ID of the file's owner. */
__gid_t st_gid; /* Group ID of the file's group.*/
__dev_t st_rdev; /* Device number, if device. */
__dev_t __pad1;
__off64_t st_size; /* Size of file, in bytes. */
__blksize_t st_blksize; /* Optimal block size for I/O. */
int __pad2;
__blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
#ifdef __USE_MISC
/* 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. */
#else
__time_t st_atime; /* Time of last access. */
unsigned long int st_atimensec; /* Nscecs of last access. */
__time_t st_mtime; /* Time of last modification. */
unsigned long int st_mtimensec; /* Nsecs of last modification. */
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
int __glibc_reserved[2];
};
#endif
/* Tell code we have these members. */
#define _STATBUF_ST_BLKSIZE
#define _STATBUF_ST_RDEV
/* Nanosecond resolution time values are supported. */
#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 */
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