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Handle DT_UNKNOWN correctly during directory iteration.

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Unlike stat and lstat, where unknown really means we know it's something weird,
during directory iteration DT_UNKNOWN simply means that the underlying FS doesn't
support the dirent::dt_type field.

This patch fixes libc++ to correctly set the cache to empty when DT_UNKNOWN is reported.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@337768 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2018-07-23 22:58:46 +00:00
parent 2c1163593f
commit b3e55b246d
1 changed files with 4 additions and 1 deletions
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5
src/experimental/filesystem/directory_iterator.cpp
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@@ -42,8 +42,11 @@ static file_type get_file_type(DirEntT *ent, int) {
return file_type::regular;
case DT_SOCK:
return file_type::socket;
// Unlike in lstat, hitting "unknown" here simply means that the underlying
// filesystem doesn't support d_type. Report is as 'none' so we correctly
// set the cache to empty.
case DT_UNKNOWN:
return file_type::unknown;
break;
}
return file_type::none;
}