Difference between revisions of "cpp/filesystem/status known"
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< cpp | filesystem
m (merge noexcept, and we somehow got the return backwards) |
m (→Notes: added links to file_type::none/unknown as close as possible, but not closer.) |
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| − | Checks if the given file status is known, | + | Checks if the given file status is known, equivalent to {{c|1=s.type() != file_type::none}}. |
===Parameters=== | ===Parameters=== | ||
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===Notes=== | ===Notes=== | ||
| − | Despite the name, the function checks for the file status of {{ | + | Despite the name, the function checks for the file status of {{lc|std::filesystem::file_type::none|file_type::none}} (meaning an error occurred), not {{lc|std::filesystem::file_type::unknown|file_type::unknown}} (meaning file exists, but its type cannot be determined). |
===See also=== | ===See also=== | ||
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| − | {{langlinks|zh}} | + | {{langlinks|es|ja|zh}} |
Latest revision as of 20:20, 9 December 2021
| Defined in header <filesystem>
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| bool status_known( std::filesystem::file_status s ) noexcept; |
(1) | (since C++17) |
Checks if the given file status is known, equivalent to s.type() != file_type::none.
Contents |
[edit] Parameters
| s | - | file status to check |
[edit] Return value
true if the given file status is a known file status.
[edit] Notes
Despite the name, the function checks for the file status of file_type::none (meaning an error occurred), not file_type::unknown (meaning file exists, but its type cannot be determined).
[edit] See also
| (C++17)(C++17) |
determines file attributes determines file attributes, checking the symlink target (function) |
| status of the file designated by this directory entry; status of the file/symlink designated by this directory entry (public member function of std::filesystem::directory_entry)
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