cppdraft_translate/cppdraft/fs/enum/perm/opts.md

[fs.enum.perm.opts]

31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.8 Enumerations [fs.enum]

31.12.8.5 Enum class perm_options [fs.enum.perm.opts]

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The enum class type perm_options is a bitmask type ([bitmask.types]) that specifies bitmask constants used to control the semantics of permissions operations, with the meanings listed in Table 152.

The bitmask constants are bitmask elements.

In Table 152 perm denotes a value of type perms passed to permissions.

Table 152 — Enum class perm_options [tab:fs.enum.perm.opts]

🔗 Name	Meaning
🔗 replace	permissions shall replace the file's permission bits with perm
🔗 add	permissions shall replace the file's permission bits with the bitwise or of perm and the file's current permission bits.
🔗 remove	permissions shall replace the file's permission bits with the bitwise and of the complement of perm and the file's current permission bits.
🔗 nofollow	permissions shall change the permissions of a symbolic link itself rather than the permissions of the file the link resolves to.