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/* 'struct stat' and related definitions. NaCl version.
Copyright (C) 2015-2016 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 */
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