cppdraft_translate/cppdraft/fs/op/permissions.md

[fs.op.permissions]

31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs]

31.12.13.27 Permissions [fs.op.permissions]

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void filesystem::permissions(const path& p, perms prms, perm_options opts=perm_options::replace); void filesystem::permissions(const path& p, perms prms, error_code& ec) noexcept; void filesystem::permissions(const path& p, perms prms, perm_options opts, error_code& ec);

1

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Preconditions: Exactly one of the perm_options constantsreplace, add, or remove is present in opts.

2

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Effects: Applies the action specified by opts to the file p resolves to, or to file p itself if p is a symbolic link and perm_options​::​nofollow is set in opts.

The action is applied as if by POSIX fchmodat.

3

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[Note 1:

Conceptually permissions are viewed as bits, but the actual implementation can use some other mechanism.

— end note]

4

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Throws: As specified in [fs.err.report].

5

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Remarks: The second signature behaves as if it had an additional parameterperm_options opts with an argument of perm_options​::​replace.