1 /* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2009 2 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 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 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 struct stat 36 { 37 __dev_t st_dev; /* Device. */ 38 # ifndef __USE_FILE_OFFSET64 39 unsigned short int __pad1; 40 __ino_t st_ino; /* File serial number. */ 41 # else 42 __ino64_t st_ino; /* File serial number. */ 43 # endif 44 __mode_t st_mode; /* File mode. */ 45 __nlink_t st_nlink; /* Link count. */ 46 __uid_t st_uid; /* User ID of the file's owner. */ 47 __gid_t st_gid; /* Group ID of the file's group.*/ 48 __dev_t st_rdev; /* Device number, if device. */ 49 unsigned short int __pad2; 50 # ifndef __USE_FILE_OFFSET64 51 __off_t st_size; /* Size of file, in bytes. */ 52 # else 53 __off64_t st_size; /* Size of file, in bytes. */ 54 # endif 55 __blksize_t st_blksize; /* Optimal block size for I/O. */ 56 57 # ifndef __USE_FILE_OFFSET64 58 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 59 # else 60 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 61 # endif 62 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 63 /* Nanosecond resolution timestamps are stored in a format 64 equivalent to 'struct timespec'. This is the type used 65 whenever possible but the Unix namespace rules do not allow the 66 identifier 'timespec' to appear in the <sys/stat.h> header. 67 Therefore we have to handle the use of this header in strictly 68 standard-compliant sources special. */ 69 struct timespec st_atim; /* Time of last access. */ 70 struct timespec st_mtim; /* Time of last modification. */ 71 struct timespec st_ctim; /* Time of last status change. */ 72 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 73 # define st_mtime st_mtim.tv_sec 74 # define st_ctime st_ctim.tv_sec 75 #else 76 __time_t st_atime; /* Time of last access. */ 77 unsigned long int st_atimensec; /* Nscecs of last access. */ 78 __time_t st_mtime; /* Time of last modification. */ 79 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 80 __time_t st_ctime; /* Time of last status change. */ 81 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 82 #endif 83 unsigned long int __uclibc_unused4; 84 unsigned long int __uclibc_unused5; 85 }; 86 87 88 # ifdef __USE_LARGEFILE64 89 struct stat64 90 { 91 __dev_t st_dev; /* Device. */ 92 __ino64_t st_ino; /* File serial number. */ 93 __mode_t st_mode; /* File mode. */ 94 __nlink_t st_nlink; /* Link count. */ 95 __uid_t st_uid; /* User ID of the file's owner. */ 96 __gid_t st_gid; /* Group ID of the file's group.*/ 97 __dev_t st_rdev; /* Device number, if device. */ 98 unsigned short int __pad2; 99 __off64_t st_size; /* Size of file, in bytes. */ 100 __blksize_t st_blksize; /* Optimal block size for I/O. */ 101 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 102 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 103 /* Nanosecond resolution timestamps are stored in a format 104 equivalent to 'struct timespec'. This is the type used 105 whenever possible but the Unix namespace rules do not allow the 106 identifier 'timespec' to appear in the <sys/stat.h> header. 107 Therefore we have to handle the use of this header in strictly 108 standard-compliant sources special. */ 109 struct timespec st_atim; /* Time of last access. */ 110 struct timespec st_mtim; /* Time of last modification. */ 111 struct timespec st_ctim; /* Time of last status change. */ 112 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 113 # define st_mtime st_mtim.tv_sec 114 # define st_ctime st_ctim.tv_sec 115 #else 116 __time_t st_atime; /* Time of last access. */ 117 unsigned long int st_atimensec; /* Nscecs of last access. */ 118 __time_t st_mtime; /* Time of last modification. */ 119 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 120 __time_t st_ctime; /* Time of last status change. */ 121 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 122 #endif 123 unsigned long int __uclibc_unused4; 124 unsigned long int __uclibc_unused5; 125 }; 126 # endif /* __USE_LARGEFILE64 */ 127 128 /* Tell code we have these members. */ 129 #define _STATBUF_ST_BLKSIZE 130 #define _STATBUF_ST_RDEV 131 /* Nanosecond resolution time values are supported. */ 132 #define _STATBUF_ST_NSEC 133 134 /* Encoding of the file mode. */ 135 136 #define __S_IFMT 0170000 /* These bits determine file type. */ 137 138 /* File types. */ 139 #define __S_IFDIR 0040000 /* Directory. */ 140 #define __S_IFCHR 0020000 /* Character device. */ 141 #define __S_IFBLK 0060000 /* Block device. */ 142 #define __S_IFREG 0100000 /* Regular file. */ 143 #define __S_IFIFO 0010000 /* FIFO. */ 144 #define __S_IFLNK 0120000 /* Symbolic link. */ 145 #define __S_IFSOCK 0140000 /* Socket. */ 146 147 /* POSIX.1b objects. Note that these macros always evaluate to zero. But 148 they do it by enforcing the correct use of the macros. */ 149 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 150 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 151 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 152 153 /* Protection bits. */ 154 155 #define __S_ISUID 04000 /* Set user ID on execution. */ 156 #define __S_ISGID 02000 /* Set group ID on execution. */ 157 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 158 #define __S_IREAD 0400 /* Read by owner. */ 159 #define __S_IWRITE 0200 /* Write by owner. */ 160 #define __S_IEXEC 0100 /* Execute by owner. */ 161 162 #ifdef __USE_ATFILE 163 # define UTIME_NOW ((1l << 30) - 1l) 164 # define UTIME_OMIT ((1l << 30) - 2l) 165 #endif 166