/* Copyright (C) 2011-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Chris Metcalf , 2011. 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 . */ #if !defined _SYS_STAT_H && !defined _FCNTL_H # error "Never include directly; use instead." #endif #ifndef _BITS_STAT_H #define _BITS_STAT_H 1 #include #include /* 64-bit libc uses the kernel's 'struct stat', accessed via the stat() syscall; 32-bit libc uses the kernel's 'struct stat64' and accesses it via the stat64() syscall. All the various APIs offered by libc use the kernel shape for their struct stat structure; the only difference is that 32-bit programs not using __USE_FILE_OFFSET64 only see the low 32 bits of some of the fields (specifically st_ino, st_size, and st_blocks). */ #define _STAT_VER_KERNEL 0 #define _STAT_VER_LINUX 0 #define _STAT_VER _STAT_VER_KERNEL /* Versions of the `xmknod' interface. */ #define _MKNOD_VER_LINUX 0 #if defined __USE_FILE_OFFSET64 # define __field64(type, type64, name) type64 name #elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T # if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T # error "ino_t and off_t must both be the same type" # endif # define __field64(type, type64, name) type name #elif __BYTE_ORDER == __LITTLE_ENDIAN # define __field64(type, type64, name) \ type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad #else # define __field64(type, type64, name) \ int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name #endif struct stat { __dev_t st_dev; /* Device. */ __field64(__ino_t, __ino64_t, st_ino); /* File serial number. */ __mode_t st_mode; /* File mode. */ __nlink_t st_nlink; /* Link count. */ __uid_t st_uid; /* User ID of the file's owner. */ __gid_t st_gid; /* Group ID of the file's group.*/ __dev_t st_rdev; /* Device number, if device. */ __dev_t __pad1; __field64(__off_t, __off64_t, st_size); /* Size of file, in bytes. */ __blksize_t st_blksize; /* Optimal block size for I/O. */ int __pad2; __field64(__blkcnt_t, __blkcnt64_t, st_blocks); /* 512-byte blocks */ #ifdef __USE_XOPEN2K8 /* 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 header. Therefore we have to handle the use of this header in strictly standard-compliant sources special. */ struct timespec st_atim; /* Time of last access. */ struct timespec st_mtim; /* Time of last modification. */ struct timespec st_ctim; /* Time of last status change. */ # define st_atime st_atim.tv_sec /* Backward compatibility. */ # define st_mtime st_mtim.tv_sec # define st_ctime st_ctim.tv_sec #else __time_t st_atime; /* Time of last access. */ unsigned long int st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ unsigned long int st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ unsigned long int st_ctimensec; /* Nsecs of last status change. */ #endif int __glibc_reserved[2]; }; #undef __field64 #ifdef __USE_LARGEFILE64 struct stat64 { __dev_t st_dev; /* Device. */ __ino64_t st_ino; /* File serial number. */ __mode_t st_mode; /* File mode. */ __nlink_t st_nlink; /* Link count. */ __uid_t st_uid; /* User ID of the file's owner. */ __gid_t st_gid; /* Group ID of the file's group.*/ __dev_t st_rdev; /* Device number, if device. */ __dev_t __pad1; __off64_t st_size; /* Size of file, in bytes. */ __blksize_t st_blksize; /* Optimal block size for I/O. */ int __pad2; __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ #ifdef __USE_XOPEN2K8 /* 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 header. Therefore we have to handle the use of this header in strictly standard-compliant sources special. */ struct timespec st_atim; /* Time of last access. */ struct timespec st_mtim; /* Time of last modification. */ struct timespec st_ctim; /* Time of last status change. */ #else __time_t st_atime; /* Time of last access. */ unsigned long int st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ unsigned long int st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ unsigned long int st_ctimensec; /* Nsecs of last status change. */ #endif int __glibc_reserved[2]; }; #endif /* Tell code we have these members. */ #define _STATBUF_ST_BLKSIZE #define _STATBUF_ST_RDEV /* Nanosecond resolution time values are supported. */ #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 */