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c27d207813
UTIME_OMIT. * sysdeps/unix/sysv/linux/x86_64/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_UTIMENSAT. * io/sys/stat.h: Declare utimensat, futimens. * io/utimensat.c: New file. * io/futimens.c: New file. * sysdeps/unix/sysv/linux/utimensat.c: New file. * sysdeps/unix/sysv/linux/futimens.c: New file. * io/Makefile (routines): Add utimensat, futimens. * io/Versions: Add utimensat, futimens to GLIBC_2.6. * sysdeps/unix/sysv/linux/lutimes.c: New file. * sysdeps/unix/sysv/linux/futimes.c: Use utimensat syscall if available. * include/sys/cdefs.h: Redefine __nonnull so that test for incorrect parameters in the libc code itself are not omitted.
170 lines
6.6 KiB
C
170 lines
6.6 KiB
C
/* Copyright (C) 1992, 1995-2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _SYS_STAT_H
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# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
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#endif
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/* Versions of the `struct stat' data structure. */
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#define _STAT_VER_LINUX_OLD 1
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#define _STAT_VER_KERNEL 1
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#define _STAT_VER_SVR4 2
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#define _STAT_VER_LINUX 3
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#define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
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/* Versions of the `xmknod' interface. */
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#define _MKNOD_VER_LINUX 1
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#define _MKNOD_VER_SVR4 2
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#define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
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struct stat
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{
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__dev_t st_dev; /* Device. */
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unsigned short int __pad1;
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#ifndef __USE_FILE_OFFSET64
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__ino_t st_ino; /* File serial number. */
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#else
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__ino_t __st_ino; /* 32bit file serial number. */
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#endif
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__mode_t st_mode; /* File mode. */
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__nlink_t st_nlink; /* Link count. */
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__uid_t st_uid; /* User ID of the file's owner. */
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__gid_t st_gid; /* Group ID of the file's group.*/
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__dev_t st_rdev; /* Device number, if device. */
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unsigned short int __pad2;
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#ifndef __USE_FILE_OFFSET64
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__off_t st_size; /* Size of file, in bytes. */
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#else
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__off64_t st_size; /* Size of file, in bytes. */
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#endif
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__blksize_t st_blksize; /* Optimal block size for I/O. */
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#ifndef __USE_FILE_OFFSET64
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__blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
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#else
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__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
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#endif
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#ifdef __USE_MISC
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/* Nanosecond resolution timestamps are stored in a format
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equivalent to 'struct timespec'. This is the type used
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whenever possible but the Unix namespace rules do not allow the
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identifier 'timespec' to appear in the <sys/stat.h> header.
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Therefore we have to handle the use of this header in strictly
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standard-compliant sources special. */
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struct timespec st_atim; /* Time of last access. */
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struct timespec st_mtim; /* Time of last modification. */
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struct timespec st_ctim; /* Time of last status change. */
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# define st_atime st_atim.tv_sec /* Backward compatibility. */
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# define st_mtime st_mtim.tv_sec
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# define st_ctime st_ctim.tv_sec
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#else
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__time_t st_atime; /* Time of last access. */
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unsigned long int st_atimensec; /* Nscecs of last access. */
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__time_t st_mtime; /* Time of last modification. */
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unsigned long int st_mtimensec; /* Nsecs of last modification. */
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__time_t st_ctime; /* Time of last status change. */
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unsigned long int st_ctimensec; /* Nsecs of last status change. */
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#endif
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#ifndef __USE_FILE_OFFSET64
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unsigned long int __unused4;
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unsigned long int __unused5;
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#else
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__ino64_t st_ino; /* File serial number. */
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#endif
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};
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#ifdef __USE_LARGEFILE64
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struct stat64
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{
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__dev_t st_dev; /* Device. */
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unsigned int __pad1;
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__ino_t __st_ino; /* 32bit file serial number. */
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__mode_t st_mode; /* File mode. */
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__nlink_t st_nlink; /* Link count. */
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__uid_t st_uid; /* User ID of the file's owner. */
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__gid_t st_gid; /* Group ID of the file's group.*/
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__dev_t st_rdev; /* Device number, if device. */
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unsigned int __pad2;
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__off64_t st_size; /* Size of file, in bytes. */
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__blksize_t st_blksize; /* Optimal block size for I/O. */
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__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
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#ifdef __USE_MISC
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/* Nanosecond resolution timestamps are stored in a format
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equivalent to 'struct timespec'. This is the type used
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whenever possible but the Unix namespace rules do not allow the
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identifier 'timespec' to appear in the <sys/stat.h> header.
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Therefore we have to handle the use of this header in strictly
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standard-compliant sources special. */
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struct timespec st_atim; /* Time of last access. */
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struct timespec st_mtim; /* Time of last modification. */
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struct timespec st_ctim; /* Time of last status change. */
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#else
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__time_t st_atime; /* Time of last access. */
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unsigned long int st_atimensec; /* Nscecs of last access. */
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__time_t st_mtime; /* Time of last modification. */
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unsigned long int st_mtimensec; /* Nsecs of last modification. */
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__time_t st_ctime; /* Time of last status change. */
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unsigned long int st_ctimensec; /* Nsecs of last status change. */
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#endif
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__ino64_t st_ino; /* File serial number. */
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};
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#endif
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/* Tell code we have these members. */
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#define _STATBUF_ST_BLKSIZE
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#define _STATBUF_ST_RDEV
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/* Nanosecond resolution time values are supported. */
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#define _STATBUF_ST_NSEC
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/* Encoding of the file mode. */
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#define __S_IFMT 0170000 /* These bits determine file type. */
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/* File types. */
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#define __S_IFDIR 0040000 /* Directory. */
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#define __S_IFCHR 0020000 /* Character device. */
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#define __S_IFBLK 0060000 /* Block device. */
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#define __S_IFREG 0100000 /* Regular file. */
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#define __S_IFIFO 0010000 /* FIFO. */
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#define __S_IFLNK 0120000 /* Symbolic link. */
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#define __S_IFSOCK 0140000 /* Socket. */
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/* POSIX.1b objects. Note that these macros always evaluate to zero. But
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they do it by enforcing the correct use of the macros. */
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#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
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#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
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#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
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/* Protection bits. */
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#define __S_ISUID 04000 /* Set user ID on execution. */
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#define __S_ISGID 02000 /* Set group ID on execution. */
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#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
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#define __S_IREAD 0400 /* Read by owner. */
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#define __S_IWRITE 0200 /* Write by owner. */
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#define __S_IEXEC 0100 /* Execute by owner. */
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#if defined __USE_ATFILE || defined __USE_GNU
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/* XXX This will change to the macro for the next 2008 POSIX revision. */
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# define UTIME_NOW ((1l << 30) - 1l)
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# define UTIME_OMIT ((1l << 30) - 2l)
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#endif
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