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posix: sys/stat.h: adopt the sys/stat.h header from picolibc
This may be getting ahead of the curve a bit, but here we adopt the `<sys/stat.h>` header from picolibc. It is mostly the same as that of newlib but the picolibc variant seemed to be slightly more "inclusive". Removed the `<_ansi.h>` include. The commit immediately following this declares a few missing types only if they are not already declared. Signed-off-by: Chris Friedt <[email protected]>
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‎include/zephyr/posix/sys/stat.h

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/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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Copyright (c) 1982, 1986, 1993
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The Regents of the University of California. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the University nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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#ifndef ZEPHYR_POSIX_SYS_STAT_H_
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#define ZEPHYR_POSIX_SYS_STAT_H_
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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#ifndef _SYS_STAT_H
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#define _SYS_STAT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define S_IFBLK 0060000
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#define S_IFCHR 0020000
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#define S_IFIFO 0010000
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#define S_IFREG 0100000
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#define S_IFDIR 0040000
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#define S_IFLNK 0120000
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#define S_IFSOCK 0140000
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#define S_IRWXU 00700
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#define S_IRUSR 00400
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#define S_IWUSR 00200
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#define S_IXUSR 00100
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#define S_IRWXG 00070
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#define S_IRGRP 00040
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#define S_IWGRP 00020
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#define S_IXGRP 00010
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#define S_IRWXO 00007
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#define S_IROTH 00004
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#define S_IWOTH 00002
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#define S_IXOTH 00001
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/* File open modes */
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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struct stat {
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unsigned long st_size;
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unsigned long st_blksize;
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unsigned long st_blocks;
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unsigned long st_mode;
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#include <time.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/_timespec.h>
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/* dj's stat defines _STAT_H_ */
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#ifndef _STAT_H_
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/* It is intended that the layout of this structure not change when the
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sizes of any of the basic types change (short, int, long) [via a compile
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time option]. */
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#ifdef __CYGWIN__
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#include <cygwin/stat.h>
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#ifdef _LIBC
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#define stat64 stat
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#endif
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#else
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struct stat
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{
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dev_t st_dev;
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ino_t st_ino;
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mode_t st_mode;
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nlink_t st_nlink;
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uid_t st_uid;
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gid_t st_gid;
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#if defined(__linux) && defined(__x86_64__)
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int __pad0;
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#endif
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dev_t st_rdev;
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#if defined(__linux) && !defined(__x86_64__)
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unsigned short int __pad2;
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#endif
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off_t st_size;
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#if defined(__linux)
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blksize_t st_blksize;
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blkcnt_t st_blocks;
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struct timespec st_atim;
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struct timespec st_mtim;
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struct timespec st_ctim;
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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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#if defined(__linux) && defined(__x86_64__)
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__uint64_t __glibc_reserved[3];
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#endif
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#else
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#if defined(__rtems__)
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struct timespec st_atim;
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struct timespec st_mtim;
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struct timespec st_ctim;
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blksize_t st_blksize;
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blkcnt_t st_blocks;
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#else
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/* SysV/sco doesn't have the rest... But Solaris, eabi does. */
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#if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
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time_t st_atime;
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time_t st_mtime;
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time_t st_ctime;
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#else
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struct timespec st_atim;
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struct timespec st_mtim;
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struct timespec st_ctim;
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blksize_t st_blksize;
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blkcnt_t st_blocks;
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#if !defined(__rtems__)
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long st_spare4[2];
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#endif
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#endif
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#endif
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#endif
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};
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#if !(defined(__svr4__) && !defined(__PPC__) && !defined(__sun__))
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#define st_atime st_atim.tv_sec
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#define st_ctime st_ctim.tv_sec
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#define st_mtime st_mtim.tv_sec
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#endif
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#endif
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#define _IFMT 0170000 /* type of file */
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#define _IFDIR 0040000 /* directory */
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#define _IFCHR 0020000 /* character special */
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#define _IFBLK 0060000 /* block special */
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#define _IFREG 0100000 /* regular */
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#define _IFLNK 0120000 /* symbolic link */
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#define _IFSOCK 0140000 /* socket */
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#define _IFIFO 0010000 /* fifo */
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#define S_BLKSIZE 1024 /* size of a block */
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#define S_ISUID 0004000 /* set user id on execution */
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#define S_ISGID 0002000 /* set group id on execution */
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#define S_ISVTX 0001000 /* save swapped text even after use */
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#if __BSD_VISIBLE
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#define S_IREAD 0000400 /* read permission, owner */
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#define S_IWRITE 0000200 /* write permission, owner */
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#define S_IEXEC 0000100 /* execute/search permission, owner */
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#define S_ENFMT 0002000 /* enforcement-mode locking */
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#endif /* !_BSD_VISIBLE */
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#define S_IFMT _IFMT
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#define S_IFDIR _IFDIR
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#define S_IFCHR _IFCHR
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#define S_IFBLK _IFBLK
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#define S_IFREG _IFREG
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#define S_IFLNK _IFLNK
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#define S_IFSOCK _IFSOCK
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#define S_IFIFO _IFIFO
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#ifdef _WIN32
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/* The Windows header files define _S_ forms of these, so we do too
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for easier portability. */
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#define _S_IFMT _IFMT
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#define _S_IFDIR _IFDIR
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#define _S_IFCHR _IFCHR
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#define _S_IFIFO _IFIFO
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#define _S_IFREG _IFREG
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#define _S_IREAD 0000400
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#define _S_IWRITE 0000200
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#define _S_IEXEC 0000100
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#endif
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#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
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#define S_IRUSR 0000400 /* read permission, owner */
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#define S_IWUSR 0000200 /* write permission, owner */
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#define S_IXUSR 0000100/* execute/search permission, owner */
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#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
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#define S_IRGRP 0000040 /* read permission, group */
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#define S_IWGRP 0000020 /* write permission, grougroup */
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#define S_IXGRP 0000010/* execute/search permission, group */
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#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
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#define S_IROTH 0000004 /* read permission, other */
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#define S_IWOTH 0000002 /* write permission, other */
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#define S_IXOTH 0000001/* execute/search permission, other */
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#if __BSD_VISIBLE
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#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO) /* 0777 */
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#define ALLPERMS (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO) /* 07777 */
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#define DEFFILEMODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) /* 0666 */
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#endif
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#define S_ISBLK(m) (((m)&_IFMT) == _IFBLK)
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#define S_ISCHR(m) (((m)&_IFMT) == _IFCHR)
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#define S_ISDIR(m) (((m)&_IFMT) == _IFDIR)
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#define S_ISFIFO(m) (((m)&_IFMT) == _IFIFO)
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#define S_ISREG(m) (((m)&_IFMT) == _IFREG)
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#define S_ISLNK(m) (((m)&_IFMT) == _IFLNK)
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#define S_ISSOCK(m) (((m)&_IFMT) == _IFSOCK)
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#if defined(__CYGWIN__) || defined(__rtems__)
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/* Special tv_nsec values for futimens(2) and utimensat(2). */
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#define UTIME_NOW -2L
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#define UTIME_OMIT -1L
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#endif
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int chmod (const char *__path, mode_t __mode );
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int fchmod (int __fd, mode_t __mode);
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int fstat (int __fd, struct stat *__sbuf );
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int mkdir (const char *_path, mode_t __mode );
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int mkfifo (const char *__path, mode_t __mode );
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int stat (const char *__restrict __path, struct stat *__restrict __sbuf );
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mode_t umask (mode_t __mask );
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#if defined (__SPU__) || defined(__rtems__) || defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__)
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int lstat (const char *__restrict __path, struct stat *__restrict __buf );
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int mknod (const char *__path, mode_t __mode, dev_t __dev );
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#endif
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#if __ATFILE_VISIBLE && !defined(__INSIDE_CYGWIN__)
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int fchmodat (int, const char *, mode_t, int);
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int fstatat (int, const char *__restrict , struct stat *__restrict, int);
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int mkdirat (int, const char *, mode_t);
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int mkfifoat (int, const char *, mode_t);
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int mknodat (int, const char *, mode_t, dev_t);
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int utimensat (int, const char *, const struct timespec [2], int);
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#endif
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#if __POSIX_VISIBLE >= 200809 && !defined(__INSIDE_CYGWIN__)
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int futimens (int, const struct timespec [2]);
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#endif
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/* Provide prototypes for most of the _<systemcall> names that are
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provided in newlib for some compilers. */
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#ifdef _LIBC
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int _fstat (int __fd, struct stat *__sbuf );
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int _stat (const char *__restrict __path, struct stat *__restrict __sbuf );
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int _mkdir (const char *_path, mode_t __mode );
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#ifdef __LARGE64_FILES
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struct stat64;
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int _stat64 (const char *__restrict __path, struct stat64 *__restrict __sbuf );
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int _fstat64 (int __fd, struct stat64 *__sbuf );
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#endif
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#endif
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#endif /* !_STAT_H_ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_POSIX_SYS_STAT_H_ */
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#endif /* _SYS_STAT_H */

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