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stat.h
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/* Copyright (C) 1999-2018 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. */ #ifndef __x86_64__ # define _STAT_VER_LINUX_OLD 1 # define _STAT_VER_KERNEL 1 # define _STAT_VER_SVR4 2 # define _STAT_VER_LINUX 3 /* i386 versions of the `xmknod' interface. */ # define _MKNOD_VER_LINUX 1 # define _MKNOD_VER_SVR4 2 # define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */ #else # define _STAT_VER_KERNEL 0 # define _STAT_VER_LINUX 1 /* x86-64 versions of the `xmknod' interface. */ # define _MKNOD_VER_LINUX 0 #endif #define _STAT_VER _STAT_VER_LINUX struct stat { __dev_t st_dev; /* Device. */ #ifndef __x86_64__ unsigned short int __pad1; #endif #if defined __x86_64__ || !defined __USE_FILE_OFFSET64 __ino_t st_ino; /* File serial number. */ #else __ino_t __st_ino; /* 32bit file serial number. */ #endif #ifndef __x86_64__ __mode_t st_mode; /* File mode. */ __nlink_t st_nlink; /* Link count. */ #else __nlink_t st_nlink; /* Link count. */ __mode_t st_mode; /* File mode. */ #endif __uid_t st_uid; /* User ID of the file's owner. */ __gid_t st_gid; /* Group ID of the file's group.*/ #ifdef __x86_64__ int __pad0; #endif __dev_t st_rdev; /* Device number, if device. */ #ifndef __x86_64__ unsigned short int __pad2; #endif #if defined __x86_64__ || !defined __USE_FILE_OFFSET64 __off_t st_size; /* Size of file, in bytes. */ #else __off64_t st_size; /* Size of file, in bytes. */ #endif __blksize_t st_blksize; /* Optimal block size for I/O. */ #if defined __x86_64__ || !defined __USE_FILE_OFFSET64 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ #else __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ #endif #ifdef __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. */ __syscall_ulong_t st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ __syscall_ulong_t st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ __syscall_ulong_t st_ctimensec; /* Nsecs of last status change. */ #endif #ifdef __x86_64__ __syscall_slong_t __glibc_reserved[3]; #else # ifndef __USE_FILE_OFFSET64 unsigned long int __glibc_reserved4; unsigned long int __glibc_reserved5; # else __ino64_t st_ino; /* File serial number. */ # endif #endif }; #ifdef __USE_LARGEFILE64 /* Note stat64 has the same shape as stat for x86-64. */ struct stat64 { __dev_t st_dev; /* Device. */ # ifdef __x86_64__ __ino64_t st_ino; /* File serial number. */ __nlink_t st_nlink; /* Link count. */ __mode_t st_mode; /* File mode. */ # else unsigned int __pad1; __ino_t __st_ino; /* 32bit file serial number. */ __mode_t st_mode; /* File mode. */ __nlink_t st_nlink; /* Link count. */ # endif __uid_t st_uid; /* User ID of the file's owner. */ __gid_t st_gid; /* Group ID of the file's group.*/ # ifdef __x86_64__ int __pad0; __dev_t st_rdev; /* Device number, if device. */ __off_t st_size; /* Size of file, in bytes. */ # else __dev_t st_rdev; /* Device number, if device. */ unsigned int __pad2; __off64_t st_size; /* Size of file, in bytes. */ # endif __blksize_t st_blksize; /* Optimal block size for I/O. */ __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ # ifdef __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. */ # else __time_t st_atime; /* Time of last access. */ __syscall_ulong_t st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ __syscall_ulong_t st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ __syscall_ulong_t st_ctimensec; /* Nsecs of last status change. */ # endif # ifdef __x86_64__ __syscall_slong_t __glibc_reserved[3]; # else __ino64_t st_ino; /* File serial number. */ # endif }; #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 */