1 /* Copyright (C) 1999, 2000, 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, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_STAT_H 19 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead." 20 #endif 21 22 /* Versions of the `struct stat' data structure. */ 23 #define _STAT_VER_KERNEL 0 24 #define _STAT_VER_LINUX 1 25 #define _STAT_VER _STAT_VER_LINUX 26 27 /* Versions of the `xmknod' interface. */ 28 #define _MKNOD_VER_LINUX 0 29 30 struct stat 31 { 32 __dev_t st_dev; /* Device. */ 33 __ino_t st_ino; /* File serial number. */ 34 __nlink_t st_nlink; /* Link count. */ 35 __mode_t st_mode; /* File mode. */ 36 __uid_t st_uid; /* User ID of the file's owner. */ 37 __gid_t st_gid; /* Group ID of the file's group.*/ 38 int pad0; 39 __dev_t st_rdev; /* Device number, if device. */ 40 __off_t st_size; /* Size of file, in bytes. */ 41 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 42 /* Nanosecond resolution timestamps are stored in a format 43 equivalent to 'struct timespec'. This is the type used 44 whenever possible but the Unix namespace rules do not allow the 45 identifier 'timespec' to appear in the <sys/stat.h> header. 46 Therefore we have to handle the use of this header in strictly 47 standard-compliant sources special. */ 48 struct timespec st_atim; /* Time of last access. */ 49 struct timespec st_mtim; /* Time of last modification. */ 50 struct timespec st_ctim; /* Time of last status change. */ 51 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 52 # define st_mtime st_mtim.tv_sec 53 # define st_ctime st_ctim.tv_sec 54 #else 55 __time_t st_atime; /* Time of last access. */ 56 unsigned long int st_atimensec; /* Nscecs of last access. */ 57 __time_t st_mtime; /* Time of last modification. */ 58 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 59 __time_t st_ctime; /* Time of last status change. */ 60 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 61 #endif 62 __blksize_t st_blksize; /* Optimal block size for I/O. */ 63 __blkcnt_t st_blocks; /* Nr. 512-byte blocks allocated. */ 64 long int __uclibc_unused[3]; 65 }; 66 67 #ifdef __USE_LARGEFILE64 68 /* Note stat64 is the same shape as stat. */ 69 struct stat64 70 { 71 __dev_t st_dev; /* Device. */ 72 __ino64_t st_ino; /* File serial number. */ 73 __nlink_t st_nlink; /* Link count. */ 74 __mode_t st_mode; /* File mode. */ 75 __uid_t st_uid; /* User ID of the file's owner. */ 76 __gid_t st_gid; /* Group ID of the file's group.*/ 77 int pad0; 78 __dev_t st_rdev; /* Device number, if device. */ 79 __off_t st_size; /* Size of file, in bytes. */ 80 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 81 /* Nanosecond resolution timestamps are stored in a format 82 equivalent to 'struct timespec'. This is the type used 83 whenever possible but the Unix namespace rules do not allow the 84 identifier 'timespec' to appear in the <sys/stat.h> header. 85 Therefore we have to handle the use of this header in strictly 86 standard-compliant sources special. */ 87 struct timespec st_atim; /* Time of last access. */ 88 struct timespec st_mtim; /* Time of last modification. */ 89 struct timespec st_ctim; /* Time of last status change. */ 90 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 91 # define st_mtime st_mtim.tv_sec 92 # define st_ctime st_ctim.tv_sec 93 #else 94 __time_t st_atime; /* Time of last access. */ 95 unsigned long int st_atimensec; /* Nscecs of last access. */ 96 __time_t st_mtime; /* Time of last modification. */ 97 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 98 __time_t st_ctime; /* Time of last status change. */ 99 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 100 #endif 101 __blksize_t st_blksize; /* Optimal block size for I/O. */ 102 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ 103 long int __uclibc_unused[3]; 104 }; 105 #endif 106 107 /* Tell code we have these members. */ 108 #define _STATBUF_ST_BLKSIZE 109 #define _STATBUF_ST_RDEV 110 /* Nanosecond resolution time values are supported. */ 111 #define _STATBUF_ST_NSEC 112 113 /* Encoding of the file mode. */ 114 115 #define __S_IFMT 0170000 /* These bits determine file type. */ 116 117 /* File types. */ 118 #define __S_IFDIR 0040000 /* Directory. */ 119 #define __S_IFCHR 0020000 /* Character device. */ 120 #define __S_IFBLK 0060000 /* Block device. */ 121 #define __S_IFREG 0100000 /* Regular file. */ 122 #define __S_IFIFO 0010000 /* FIFO. */ 123 #define __S_IFLNK 0120000 /* Symbolic link. */ 124 #define __S_IFSOCK 0140000 /* Socket. */ 125 126 /* POSIX.1b objects. Note that these macros always evaluate to zero. But 127 they do it by enforcing the correct use of the macros. */ 128 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 129 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 130 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 131 132 /* Protection bits. */ 133 134 #define __S_ISUID 04000 /* Set user ID on execution. */ 135 #define __S_ISGID 02000 /* Set group ID on execution. */ 136 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 137 #define __S_IREAD 0400 /* Read by owner. */ 138 #define __S_IWRITE 0200 /* Write by owner. */ 139 #define __S_IEXEC 0100 /* Execute by owner. */ 140 141 #ifdef __USE_ATFILE 142 # define UTIME_NOW ((1l << 30) - 1l) 143 # define UTIME_OMIT ((1l << 30) - 2l) 144 #endif 145