lidavidm commented on code in PR #34420:
URL: https://github.com/apache/arrow/pull/34420#discussion_r1185297533
##########
cpp/src/arrow/filesystem/path_util.cc:
##########
@@ -129,7 +129,17 @@ std::string EnsureLeadingSlash(std::string_view v) {
return std::string(v);
}
}
-std::string_view RemoveTrailingSlash(std::string_view key) {
+std::string_view RemoveTrailingSlash(std::string_view key, bool preserve_root)
{
+ if (preserve_root && key.size() == 1) {
+ // If the user gives us "/" then don't return ""
+ return key;
+ }
+#ifdef _WIN32
+ if (preserve_root && key.size() == 3 && key[1] == ':' && key[0] != '/') {
+ // If the user gives us C:/ then don't return C:
+ return key;
+ }
+#endif
Review Comment:
Oh fun.
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