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[libcxx] Document windows specifics regarding file_type and perms. NFC. 

This was requested in the review of D98138.

Differential Revision: https://reviews.llvm.org/D98155
This commit is contained in:
Martin Storsjö 2021-03-07 23:49:56 +02:00
parent 962c6fda4d
commit b9f169fb7d
1 changed files with 6 additions and 0 deletions
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6
libcxx/include/filesystem
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@ -276,6 +276,8 @@ struct _LIBCPP_TYPE_VIS space_info {
uintmax_t available;
};
// On Windows, the library never identifies files as block, character, fifo
// or socket.
enum class _LIBCPP_ENUM_VIS file_type : signed char {
none = 0,
not_found = -1,
@ -289,6 +291,10 @@ enum class _LIBCPP_ENUM_VIS file_type : signed char {
unknown = 8
};
// On Windows, these permission bits map to one single readonly flag per
// file, and the executable bit is always returned as set. When setting
// permissions, as long as the write bit is set for either owner, group or
// others, the readonly flag is cleared.
enum class _LIBCPP_ENUM_VIS perms : unsigned {
none = 0,