Enrico Fraccaroli (Galfurian)
47 lines
2.2 KiB
C
47 lines
2.2 KiB
C
/// @file fcntl.h
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/// @brief Headers of functions fcntl() and open().
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/// @copyright (c) 2014-2022 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#pragma once
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#define O_RDONLY 00000000U ///< Open for reading only.
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#define O_WRONLY 00000001U ///< Open for writing only.
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#define O_RDWR 00000002U ///< Open for reading and writing.
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#define O_CREAT 00000100U ///< Create if nonexistant.
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#define O_EXCL 00000200U ///< Error if already exists.
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#define O_TRUNC 00001000U ///< Truncate to zero length.
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#define O_APPEND 00002000U ///< Set append mode.
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#define O_NONBLOCK 00004000U ///< No delay.
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#define O_DIRECTORY 00200000U ///< If file exists has no effect. Otherwise, the file is created.
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/// @defgroup ModeBitsAccessPermission Mode Bits for Access Permission
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/// @brief The file modes.
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/// @{
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#define S_ISUID 0x0800 ///< Set user id on execution
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#define S_ISGID 0x0400 ///< Set group id on execution
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#define S_ISVTX 0x0200 ///< Save swapped text even after use (Sticky Bit)
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#define S_IRWXU 0x01C0 ///< rwx------- : User can read/write/execute
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#define S_IRUSR 0x0100 ///< -r-------- : User can read
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#define S_IWUSR 0x0080 ///< --w------- : User can write
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#define S_IXUSR 0x0040 ///< ---x------ : User can execute
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#define S_IRWXG 0x0038 ///< ----rwx--- : Group can read/write/execute
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#define S_IRGRP 0x0020 ///< ----r----- : Group can read
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#define S_IWGRP 0x0010 ///< -----w---- : Group can write
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#define S_IXGRP 0x0008 ///< ------x--- : Group can execute
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#define S_IRWXO 0x0007 ///< -------rwx : Others can read/write/execute
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#define S_IROTH 0x0004 ///< -------r-- : Others can read
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#define S_IWOTH 0x0002 ///< --------w- : Others can write
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#define S_IXOTH 0x0001 ///< ---------x : Others can execute
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#define S_ISDIR(m) (((m)&0170000) == 0040000) ///< directory.
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#define S_ISCHR(m) (((m)&0170000) == 0020000) ///< char special
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#define S_ISBLK(m) (((m)&0170000) == 0060000) ///< block special
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#define S_ISREG(m) (((m)&0170000) == 0100000) ///< regular file
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#define S_ISFIFO(m) (((m)&0170000) == 0010000) ///< fifo
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#define S_ISLNK(m) (((m)&0170000) == 0120000) ///< symbolic link
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#define S_ISSOCK(m) (((m)&0170000) == 0140000) ///< socket
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/// @}
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