| /* Copyright (C) 1996-2014 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. */ |
| #define _STAT_VER_KERNEL 0 |
| #define _STAT_VER_GLIBC2 1 |
| #define _STAT_VER_GLIBC2_1 2 |
| #define _STAT_VER_KERNEL64 3 |
| #define _STAT_VER_GLIBC2_3_4 3 |
| #define _STAT_VER_LINUX 3 |
| #define _STAT_VER _STAT_VER_LINUX |
| |
| /* Versions of the `xmknod' interface. */ |
| #define _MKNOD_VER_LINUX 0 |
| |
| |
| /* 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. |
| |
| Use neat tidy anonymous unions and structures when possible. */ |
| |
| #if defined __USE_MISC || defined __USE_XOPEN2K8 |
| # if __GNUC_PREREQ(3,3) |
| # define __ST_TIME(X) \ |
| __extension__ union { \ |
| struct timespec st_##X##tim; \ |
| struct { \ |
| __time_t st_##X##time; \ |
| unsigned long st_##X##timensec; \ |
| }; \ |
| } |
| # else |
| # define __ST_TIME(X) struct timespec st_##X##tim |
| # define st_atime st_atim.tv_sec |
| # define st_mtime st_mtim.tv_sec |
| # define st_ctime st_ctim.tv_sec |
| # endif |
| #else |
| # define __ST_TIME(X) \ |
| __time_t st_##X##time; \ |
| unsigned long st_##X##timensec |
| #endif |
| |
| |
| struct stat |
| { |
| __dev_t st_dev; /* Device. */ |
| #ifdef __USE_FILE_OFFSET64 |
| __ino64_t st_ino; /* File serial number. */ |
| #else |
| __ino_t st_ino; /* File serial number. */ |
| int __pad0; /* 64-bit st_ino. */ |
| #endif |
| __dev_t st_rdev; /* Device number, if device. */ |
| __off_t st_size; /* Size of file, in bytes. */ |
| #ifdef __USE_FILE_OFFSET64 |
| __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ |
| #else |
| __blkcnt_t st_blocks; /* Nr. 512-byte blocks allocated. */ |
| int __pad1; /* 64-bit st_blocks. */ |
| #endif |
| __mode_t st_mode; /* File mode. */ |
| __uid_t st_uid; /* User ID of the file's owner. */ |
| __gid_t st_gid; /* Group ID of the file's group.*/ |
| __blksize_t st_blksize; /* Optimal block size for I/O. */ |
| __nlink_t st_nlink; /* Link count. */ |
| int __pad2; /* Real padding. */ |
| __ST_TIME(a); /* Time of last access. */ |
| __ST_TIME(m); /* Time of last modification. */ |
| __ST_TIME(c); /* Time of last status change. */ |
| long __glibc_reserved[3]; |
| }; |
| |
| #ifdef __USE_LARGEFILE64 |
| /* Note stat64 is the same shape as stat. */ |
| struct stat64 |
| { |
| __dev_t st_dev; /* Device. */ |
| __ino64_t st_ino; /* File serial number. */ |
| __dev_t st_rdev; /* Device number, if device. */ |
| __off_t st_size; /* Size of file, in bytes. */ |
| __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ |
| __mode_t st_mode; /* File mode. */ |
| __uid_t st_uid; /* User ID of the file's owner. */ |
| __gid_t st_gid; /* Group ID of the file's group.*/ |
| __blksize_t st_blksize; /* Optimal block size for I/O. */ |
| __nlink_t st_nlink; /* Link count. */ |
| int __pad0; /* Real padding. */ |
| __ST_TIME(a); /* Time of last access. */ |
| __ST_TIME(m); /* Time of last modification. */ |
| __ST_TIME(c); /* Time of last status change. */ |
| long __glibc_reserved[3]; |
| }; |
| #endif |
| |
| #undef __ST_TIME |
| |
| /* Tell code we have these members. */ |
| #define _STATBUF_ST_BLKSIZE |
| #define _STATBUF_ST_RDEV |
| #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 */ |