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105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <time.h>
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__BEGIN_DECLS
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#define S_IFMT 0170000
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#define S_IFDIR 0040000
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#define S_IFCHR 0020000
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#define S_IFBLK 0060000
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#define S_IFREG 0100000
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#define S_IFIFO 0010000
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#define S_IFLNK 0120000
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#define S_IFSOCK 0140000
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#define S_ISUID 04000
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#define S_ISGID 02000
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#define S_ISVTX 01000
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#define S_IRUSR 0400
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#define S_IWUSR 0200
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#define S_IXUSR 0100
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#define S_IREAD S_IRUSR
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#define S_IWRITE S_IWUSR
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#define S_IEXEC S_IXUSR
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#define S_IRGRP 0040
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#define S_IWGRP 0020
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#define S_IXGRP 0010
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#define S_IROTH 0004
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#define S_IWOTH 0002
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#define S_IXOTH 0001
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#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
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#define S_IRWXG (S_IRWXU >> 3)
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#define S_IRWXO (S_IRWXG >> 3)
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#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
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#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)
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#define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK)
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#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG)
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#define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)
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#define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK)
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#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK)
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struct stat {
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dev_t st_dev; /* ID of device containing file */
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ino_t st_ino; /* inode number */
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mode_t st_mode; /* protection */
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nlink_t st_nlink; /* number of hard links */
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uid_t st_uid; /* user ID of owner */
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gid_t st_gid; /* group ID of owner */
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dev_t st_rdev; /* device ID (if special file) */
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off_t st_size; /* total size, in bytes */
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blksize_t st_blksize; /* blocksize for file system I/O */
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blkcnt_t st_blocks; /* number of 512B blocks allocated */
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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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};
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#define st_atime st_atim.tv_sec
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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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mode_t umask(mode_t);
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int chmod(const char* pathname, mode_t);
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int fchmod(int fd, mode_t);
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int mkdir(const char* pathname, mode_t);
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int mkfifo(const char* pathname, mode_t);
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int fstat(int fd, struct stat* statbuf);
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int lstat(const char* path, struct stat* statbuf);
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int stat(const char* path, struct stat* statbuf);
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inline dev_t makedev(unsigned int major, unsigned int minor) { return (minor & 0xffu) | (major << 8u) | ((minor & ~0xffu) << 12u); }
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inline unsigned int major(dev_t dev) { return (dev & 0xfff00u) >> 8u; }
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inline unsigned int minor(dev_t dev) { return (dev & 0xffu) | ((dev >> 12u) & 0xfff00u); }
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__END_DECLS
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