1/* Copyright (C) 1992, 1995-2001, 2002, 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_LINUX_OLD 1 25#define _STAT_VER_KERNEL 1 26#define _STAT_VER_SVR4 2 27#define _STAT_VER_LINUX 3 28#define _STAT_VER _STAT_VER_LINUX /* The one defined below. */ 29 30/* 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 35 36struct stat 37 { 38 __dev_t st_dev; /* Device. */ 39#ifndef __USE_FILE_OFFSET64 40 unsigned short int __pad1; 41 __ino_t st_ino; /* File serial number. */ 42#else 43 unsigned int __pad1; 44 __ino_t __st_ino; /* 32bit file serial number. */ 45#endif 46 __mode_t st_mode; /* File mode. */ 47 __nlink_t st_nlink; /* Link count. */ 48 __uid_t st_uid; /* User ID of the file's owner. */ 49 __gid_t st_gid; /* Group ID of the file's group.*/ 50 __dev_t st_rdev; /* Device number, if device. */ 51#ifndef __USE_FILE_OFFSET64 52 unsigned short int __pad2; 53 __off_t st_size; /* Size of file, in bytes. */ 54#else 55 unsigned int __pad2; 56 __off64_t st_size; /* Size of file, in bytes. */ 57#endif 58 __blksize_t st_blksize; /* Optimal block size for I/O. */ 59 60#ifndef __USE_FILE_OFFSET64 61 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 62#else 63 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 64#endif 65#ifdef __USE_MISC 66 /* Nanosecond resolution timestamps are stored in a format 67 equivalent to 'struct timespec'. This is the type used 68 whenever possible but the Unix namespace rules do not allow the 69 identifier 'timespec' to appear in the <sys/stat.h> header. 70 Therefore we have to handle the use of this header in strictly 71 standard-compliant sources special. */ 72 struct timespec st_atim; /* Time of last access. */ 73 struct timespec st_mtim; /* Time of last modification. */ 74 struct timespec st_ctim; /* Time of last status change. */ 75# define st_atime st_atim.tv_sec /* Backward compatibility. */ 76# define st_mtime st_mtim.tv_sec 77# define st_ctime st_ctim.tv_sec 78#else 79 __time_t st_atime; /* Time of last access. */ 80 unsigned long int st_atimensec; /* Nscecs of last access. */ 81 __time_t st_mtime; /* Time of last modification. */ 82 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 83 __time_t st_ctime; /* Time of last status change. */ 84 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 85#endif 86#ifndef __USE_FILE_OFFSET64 87 unsigned long int __unused4; 88 unsigned long int __unused5; 89#else 90 __ino64_t st_ino; /* File serial number. */ 91#endif 92 }; 93 94#ifdef __USE_LARGEFILE64 95struct stat64 96 { 97 __dev_t st_dev; /* Device. */ 98 unsigned int __pad1; 99 100 __ino_t __st_ino; /* 32bit file serial number. */ 101 __mode_t st_mode; /* File mode. */ 102 __nlink_t st_nlink; /* Link count. */ 103 __uid_t st_uid; /* User ID of the file's owner. */ 104 __gid_t st_gid; /* Group ID of the file's group.*/ 105 __dev_t st_rdev; /* Device number, if device. */ 106 unsigned int __pad2; 107 __off64_t st_size; /* Size of file, in bytes. */ 108 __blksize_t st_blksize; /* Optimal block size for I/O. */ 109 110 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 111#ifdef __USE_MISC 112 /* Nanosecond resolution timestamps are stored in a format 113 equivalent to 'struct timespec'. This is the type used 114 whenever possible but the Unix namespace rules do not allow the 115 identifier 'timespec' to appear in the <sys/stat.h> header. 116 Therefore we have to handle the use of this header in strictly 117 standard-compliant sources special. */ 118 struct timespec st_atim; /* Time of last access. */ 119 struct timespec st_mtim; /* Time of last modification. */ 120 struct timespec st_ctim; /* Time of last status change. */ 121#else 122 __time_t st_atime; /* Time of last access. */ 123 unsigned long int st_atimensec; /* Nscecs of last access. */ 124 __time_t st_mtime; /* Time of last modification. */ 125 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 126 __time_t st_ctime; /* Time of last status change. */ 127 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 128#endif 129 __ino64_t st_ino; /* File serial number. */ 130 }; 131#endif 132 133/* Tell code we have these members. */ 134#define _STATBUF_ST_BLKSIZE 135#define _STATBUF_ST_RDEV 136/* Nanosecond resolution time values are supported. */ 137#define _STATBUF_ST_NSEC 138 139/* Encoding of the file mode. */ 140 141#define __S_IFMT 0170000 /* These bits determine file type. */ 142 143/* File types. */ 144#define __S_IFDIR 0040000 /* Directory. */ 145#define __S_IFCHR 0020000 /* Character device. */ 146#define __S_IFBLK 0060000 /* Block device. */ 147#define __S_IFREG 0100000 /* Regular file. */ 148#define __S_IFIFO 0010000 /* FIFO. */ 149#define __S_IFLNK 0120000 /* Symbolic link. */ 150#define __S_IFSOCK 0140000 /* Socket. */ 151 152/* POSIX.1b objects. Note that these macros always evaluate to zero. But 153 they do it by enforcing the correct use of the macros. */ 154#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 155#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 156#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 157 158/* Protection bits. */ 159 160#define __S_ISUID 04000 /* Set user ID on execution. */ 161#define __S_ISGID 02000 /* Set group ID on execution. */ 162#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 163#define __S_IREAD 0400 /* Read by owner. */ 164#define __S_IWRITE 0200 /* Write by owner. */ 165#define __S_IEXEC 0100 /* Execute by owner. */ 166 167#ifdef __USE_ATFILE 168# define UTIME_NOW ((1l << 30) - 1l) 169# define UTIME_OMIT ((1l << 30) - 2l) 170#endif 171