zeroshade commented on code in PR #2918:
URL: https://github.com/apache/arrow-adbc/pull/2918#discussion_r2129990324
##########
c/driver_manager/adbc_driver_manager.cc:
##########
@@ -114,7 +128,175 @@ struct OwnedError {
}
};
+std::filesystem::path UserConfigDir() {
+ std::filesystem::path config_dir;
+#if defined(_WIN32)
+ auto dir = std::getenv("AppData");
+ if (dir) {
+ config_dir = std::filesystem::path(dir);
+ config_dir /= "ADBC/drivers";
+ }
+#elif defined(__APPLE__)
+ auto dir = std::getenv("HOME");
+ if (dir) {
+ config_dir = std::filesystem::path(dir);
+ config_dir /= "Library/Application Support/ADBC";
+ }
+#elif defined(__linux__)
+ auto dir = std::getenv("XDG_CONFIG_HOME");
+ if (!dir) {
+ dir = std::getenv("HOME");
+ if (dir) {
+ config_dir = std::filesystem::path(dir);
+ }
+ } else {
+ config_dir = std::filesystem::path(dir);
+ }
+
+ if (!config_dir.empty()) {
+ config_dir /= "adbc";
+ }
+#endif
+
+ return config_dir;
+}
+
// Driver state
+struct DriverInfo {
+ std::string manifest_file;
+ std::string driver_name;
+ std::string lib_path;
+ std::string entrypoint;
+
+ std::string version;
+ std::string source;
+};
+
+#ifdef _WIN32
+class RegistryKey {
+ public:
+ RegistryKey(HKEY root, const std::string_view subkey) noexcept
+ : root_(root), key_(nullptr), is_open_(false) {
+ auto result = RegOpenKeyExA(root_, subkey.data(), 0, KEY_READ, &key_);
Review Comment:
Updated to use the `xxxW()` methods
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