zeroshade commented on code in PR #3099:
URL: https://github.com/apache/arrow-adbc/pull/3099#discussion_r2198840904
##########
rust/core/src/driver_manager.rs:
##########
@@ -1310,3 +1645,506 @@ impl Drop for ManagedStatement {
unsafe { method(statement.deref_mut(), null_mut()) };
}
}
+
+#[cfg(target_os = "windows")]
+extern crate windows_sys as windows;
+
+#[cfg(target_os = "windows")]
+mod target_windows {
+ use std::ffi::c_void;
+ use std::ffi::OsString;
+ use std::os::windows::ffi::OsStringExt;
+ use std::path::PathBuf;
+ use std::slice;
+
+ use super::windows::Win32::UI::Shell;
+
+ // adapted from
https://github.com/dirs-dev/dirs-sys-rs/blob/main/src/lib.rs#L150
+ fn user_config_dir() -> Option<PathBuf> {
+ unsafe {
+ let mut path_ptr: windows::core::PWSTR = std::ptr::null_mut();
+ let result = Shell::SHGetKnownFolderPath(
+ Shell::FOLDERID_LocalAppData,
+ 0,
+ std::ptr::null_mut(),
+ &mut path_ptr,
+ );
+
+ if result == 0 {
+ let len = windows::Win32::Globalization::lstrlenW(path_ptr) as
usize;
+ let path = slice::from_raw_parts(path_ptr, len);
+ let ostr: OsString = OsStringExt::from_wide(path);
+ windows::Win32::System::Com::CoTaskMemFree(path_ptr as *const
c_void);
+ Some(PathBuf::from(ostr))
+ } else {
+ windows::Win32::System::Com::CoTaskMemFree(path_ptr as *const
c_void);
+ None
+ }
+ }
+ }
+}
+
+fn user_config_dir() -> Option<PathBuf> {
+ #[cfg(target_os = "windows")]
Review Comment:
after a bit of research it looks like the preferred way is the `target_os`
version, so i'll standardize on that
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