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Don't use symbolic path searching for USB detection (#1491)

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The USB directories we care about are not symbolic links, so we can ignore them.

There was a recursive symbolic link, which was causing failure.
This commit is contained in:
Thad House
2018-12-19 14:40:01 -08:00
committed by Peter Johnson
parent 6e8f8be370
commit 3721463eb3
1 changed files with 3 additions and 1 deletions
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4
hal/src/main/native/athena/cpp/SerialHelper.cpp
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@@ -215,9 +215,11 @@ void SerialHelper::QueryHubPaths(int32_t* status) {
if (matchString.equals(devNameRef)) continue;
// Search directories to get a list of system accessors
// The directories we need are not symbolic, so we can safely
// disable symbolic links.
std::error_code ec;
for (auto p = wpi::sys::fs::recursive_directory_iterator(
"/sys/devices/soc0", ec);
"/sys/devices/soc0", ec, false);
p != wpi::sys::fs::recursive_directory_iterator(); p.increment(ec)) {
if (ec) break;
wpi::StringRef path{p->path()};