1/* Copyright (C) 1999,2000,2001,2002,2003,2009 Free Software Foundation, Inc. 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 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. 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 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19#ifndef _SYS_STAT_H 20# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead." 21#endif 22 23/* Versions of the `struct stat' data structure. */ 24#define _STAT_VER_KERNEL 0 25 26#if __WORDSIZE == 32 27# define _STAT_VER_SVR4 2 28# define _STAT_VER_LINUX 3 29 30/* i386 versions of the `xmknod' interface. */ 31# define _MKNOD_VER_LINUX 1 32# define _MKNOD_VER_SVR4 2 33# define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */ 34#else 35# define _STAT_VER_LINUX 1 36 37/* x86-64 versions of the `xmknod' interface. */ 38# define _MKNOD_VER_LINUX 0 39#endif 40 41#define _STAT_VER _STAT_VER_LINUX 42 43struct stat 44 { 45 __dev_t st_dev; /* Device. */ 46#if __WORDSIZE == 32 47 unsigned short int __pad1; 48#endif 49#if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 50 __ino_t st_ino; /* File serial number. */ 51#else 52 __ino_t __st_ino; /* 32bit file serial number. */ 53#endif 54#if __WORDSIZE == 32 55 __mode_t st_mode; /* File mode. */ 56 __nlink_t st_nlink; /* Link count. */ 57#else 58 __nlink_t st_nlink; /* Link count. */ 59 __mode_t st_mode; /* File mode. */ 60#endif 61 __uid_t st_uid; /* User ID of the file's owner. */ 62 __gid_t st_gid; /* Group ID of the file's group.*/ 63#if __WORDSIZE == 64 64 int __pad0; 65#endif 66 __dev_t st_rdev; /* Device number, if device. */ 67#if __WORDSIZE == 32 68 unsigned short int __pad2; 69#endif 70#if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 71 __off_t st_size; /* Size of file, in bytes. */ 72#else 73 __off64_t st_size; /* Size of file, in bytes. */ 74#endif 75 __blksize_t st_blksize; /* Optimal block size for I/O. */ 76#if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 77 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 78#else 79 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 80#endif 81#ifdef __USE_MISC 82 /* Nanosecond resolution timestamps are stored in a format 83 equivalent to 'struct timespec'. This is the type used 84 whenever possible but the Unix namespace rules do not allow the 85 identifier 'timespec' to appear in the <sys/stat.h> header. 86 Therefore we have to handle the use of this header in strictly 87 standard-compliant sources special. */ 88 struct timespec st_atim; /* Time of last access. */ 89 struct timespec st_mtim; /* Time of last modification. */ 90 struct timespec st_ctim; /* Time of last status change. */ 91# define st_atime st_atim.tv_sec /* Backward compatibility. */ 92# define st_mtime st_mtim.tv_sec 93# define st_ctime st_ctim.tv_sec 94#else 95 __time_t st_atime; /* Time of last access. */ 96 unsigned long int st_atimensec; /* Nscecs of last access. */ 97 __time_t st_mtime; /* Time of last modification. */ 98 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 99 __time_t st_ctime; /* Time of last status change. */ 100 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 101#endif 102#if __WORDSIZE == 64 103 long int __unused[3]; 104#else 105# ifndef __USE_FILE_OFFSET64 106 unsigned long int __unused4; 107 unsigned long int __unused5; 108# else 109 __ino64_t st_ino; /* File serial number. */ 110# endif 111#endif 112 }; 113 114#ifdef __USE_LARGEFILE64 115/* Note stat64 has the same shape as stat for x86-64. */ 116struct stat64 117 { 118 __dev_t st_dev; /* Device. */ 119#if __WORDSIZE == 64 120 __ino64_t st_ino; /* File serial number. */ 121 __nlink_t st_nlink; /* Link count. */ 122 __mode_t st_mode; /* File mode. */ 123#else 124 unsigned int __pad1; 125 __ino_t __st_ino; /* 32bit file serial number. */ 126 __mode_t st_mode; /* File mode. */ 127 __nlink_t st_nlink; /* Link count. */ 128#endif 129 __uid_t st_uid; /* User ID of the file's owner. */ 130 __gid_t st_gid; /* Group ID of the file's group.*/ 131#if __WORDSIZE == 64 132 int __pad0; 133 __dev_t st_rdev; /* Device number, if device. */ 134 __off_t st_size; /* Size of file, in bytes. */ 135#else 136 __dev_t st_rdev; /* Device number, if device. */ 137 unsigned int __pad2; 138 __off64_t st_size; /* Size of file, in bytes. */ 139#endif 140 __blksize_t st_blksize; /* Optimal block size for I/O. */ 141 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ 142#ifdef __USE_MISC 143 /* Nanosecond resolution timestamps are stored in a format 144 equivalent to 'struct timespec'. This is the type used 145 whenever possible but the Unix namespace rules do not allow the 146 identifier 'timespec' to appear in the <sys/stat.h> header. 147 Therefore we have to handle the use of this header in strictly 148 standard-compliant sources special. */ 149 struct timespec st_atim; /* Time of last access. */ 150 struct timespec st_mtim; /* Time of last modification. */ 151 struct timespec st_ctim; /* Time of last status change. */ 152# define st_atime st_atim.tv_sec /* Backward compatibility. */ 153# define st_mtime st_mtim.tv_sec 154# define st_ctime st_ctim.tv_sec 155#else 156 __time_t st_atime; /* Time of last access. */ 157 unsigned long int st_atimensec; /* Nscecs of last access. */ 158 __time_t st_mtime; /* Time of last modification. */ 159 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 160 __time_t st_ctime; /* Time of last status change. */ 161 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 162#endif 163#if __WORDSIZE == 64 164 long int __unused[3]; 165#else 166 __ino64_t st_ino; /* File serial number. */ 167#endif 168 }; 169#endif 170 171/* Tell code we have these members. */ 172#define _STATBUF_ST_BLKSIZE 173#define _STATBUF_ST_RDEV 174/* Nanosecond resolution time values are supported. */ 175#define _STATBUF_ST_NSEC 176 177/* Encoding of the file mode. */ 178 179#define __S_IFMT 0170000 /* These bits determine file type. */ 180 181/* File types. */ 182#define __S_IFDIR 0040000 /* Directory. */ 183#define __S_IFCHR 0020000 /* Character device. */ 184#define __S_IFBLK 0060000 /* Block device. */ 185#define __S_IFREG 0100000 /* Regular file. */ 186#define __S_IFIFO 0010000 /* FIFO. */ 187#define __S_IFLNK 0120000 /* Symbolic link. */ 188#define __S_IFSOCK 0140000 /* Socket. */ 189 190/* POSIX.1b objects. Note that these macros always evaluate to zero. But 191 they do it by enforcing the correct use of the macros. */ 192#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 193#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 194#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 195 196/* Protection bits. */ 197 198#define __S_ISUID 04000 /* Set user ID on execution. */ 199#define __S_ISGID 02000 /* Set group ID on execution. */ 200#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 201#define __S_IREAD 0400 /* Read by owner. */ 202#define __S_IWRITE 0200 /* Write by owner. */ 203#define __S_IEXEC 0100 /* Execute by owner. */ 204 205#ifdef __USE_ATFILE 206# define UTIME_NOW ((1l << 30) - 1l) 207# define UTIME_OMIT ((1l << 30) - 2l) 208#endif 209