📄 stat.h
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/* Copyright (C) 1992,95,96,97,98,99,2000,2001 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#ifndef _SYS_STAT_H# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."#endif/* Versions of the `struct stat' data structure. */#define _STAT_VER_LINUX_OLD 1#define _STAT_VER_KERNEL 1#define _STAT_VER_SVR4 2#define _STAT_VER_LINUX 3#define _STAT_VER _STAT_VER_LINUX /* The one defined below. *//* Versions of the `xmknod' interface. */#define _MKNOD_VER_LINUX 1#define _MKNOD_VER_SVR4 2#define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. *//* Structure describing file characteristics. */struct stat { unsigned long int st_dev; long int st_pad1[3];#ifndef __USE_FILE_OFFSET64 __ino_t st_ino; /* File serial number. */#else __ino64_t st_ino; /* File serial number. */#endif __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.*/ unsigned long int st_rdev; /* Device number, if device. */#ifndef __USE_FILE_OFFSET64 long int st_pad2[2]; __off_t st_size; /* Size of file, in bytes. */ /* SVR4 added this extra long to allow for expansion of off_t. */ long int st_pad3;#else long int st_pad2[3]; __off64_t st_size; /* Size of file, in bytes. */#endif /* * Actually this should be timestruc_t st_atime, st_mtime and * st_ctime but we don't have it under Linux. */ __time_t st_atime; /* Time of last access. */ long int __reserved0; __time_t st_mtime; /* Time of last modification. */ long int __reserved1; __time_t st_ctime; /* Time of last status change. */ long int __reserved2; __blksize_t st_blksize; /* Optimal block size for I/O. */#ifndef __USE_FILE_OFFSET64 __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */#else long int st_pad4; __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */#endif long int st_pad5[14]; };#ifdef __USE_LARGEFILE64struct stat64 { unsigned long int st_dev; long int st_pad1[3]; __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.*/ unsigned long int st_rdev; /* Device number, if device. */ long int st_pad2[3]; __off64_t st_size; /* Size of file, in bytes. */ /* * Actually this should be timestruc_t st_atime, st_mtime and * st_ctime but we don't have it under Linux. */ __time_t st_atime; /* Time of last access. */ long int __reserved0; __time_t st_mtime; /* Time of last modification. */ long int __reserved1; __time_t st_ctime; /* Time of last status change. */ long int __reserved2; __blksize_t st_blksize; /* Optimal block size for I/O. */ long int st_pad3; __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */ long int st_pad4[14]; };#endif/* Tell code we have these members. */#define _STATBUF_ST_BLKSIZE#define _STATBUF_ST_RDEV/* 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. */
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