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d892723830
The common definitions are moved to a Linux generic stat.h while the
struct stat{64} definition are moved to a arch-specific struct_stat.h
header.
Checked with a build for all affected ABIs. I also checked on x86_64,
i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x.
Reviewed-by: Lukasz Majewski <lukma@denx.de>
128 lines
5.2 KiB
C
128 lines
5.2 KiB
C
/* Definition for struct stat.
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Copyright (C) 2020 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, see
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<https://www.gnu.org/licenses/>. */
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#if !defined _SYS_STAT_H && !defined _FCNTL_H
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# error "Never include <bits/struct_stat.h> directly; use <sys/stat.h> instead."
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#endif
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#ifndef _BITS_STRUCT_STAT_H
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#define _BITS_STRUCT_STAT_H 1
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#include <bits/endian.h>
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#include <bits/wordsize.h>
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#if defined __USE_FILE_OFFSET64
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# define __field64(type, type64, name) type64 name
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#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
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# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
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# error "ino_t and off_t must both be the same type"
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# endif
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# define __field64(type, type64, name) type name
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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# define __field64(type, type64, name) \
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type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
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#else
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# define __field64(type, type64, name) \
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int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
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#endif
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struct stat
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{
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__dev_t st_dev; /* Device. */
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__field64(__ino_t, __ino64_t, st_ino); /* 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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__dev_t __pad1;
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__field64(__off_t, __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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int __pad2;
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__field64(__blkcnt_t, __blkcnt64_t, st_blocks); /* 512-byte blocks */
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#ifdef __USE_XOPEN2K8
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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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int __glibc_reserved[2];
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};
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#undef __field64
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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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__ino64_t st_ino; /* 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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__dev_t __pad1;
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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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int __pad2;
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__blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
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#ifdef __USE_XOPEN2K8
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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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int __glibc_reserved[2];
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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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#endif /* _BITS_STRUCT_STAT_H */
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