+static void delete_test_key(void)
+{
+ HKEY root_key, test_key;
+ static const WCHAR SysCertW[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
+ 'S','y','s','t','e','m','C','e','r','t','i','f','i','c','a','t','e','s',0};
+ static const WCHAR WineTestW[] = {'W','i','n','e','T','e','s','t',0};
+ WCHAR subkey_name[32];
+ DWORD num_subkeys, subkey_name_len;
+ int idx;
+
+ if (RegOpenKeyExW(HKEY_CURRENT_USER, SysCertW, 0, KEY_READ, &root_key))
+ return;
+ if (RegOpenKeyExW(root_key, WineTestW, 0, KEY_READ, &test_key))
+ {
+ RegCloseKey(root_key);
+ return;
+ }
+ RegQueryInfoKeyW(test_key, NULL, NULL, NULL, &num_subkeys, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+ for (idx = num_subkeys; idx-- > 0;)
+ {
+ subkey_name_len = sizeof(subkey_name)/sizeof(WCHAR);
+ RegEnumKeyExW(test_key, idx, subkey_name, &subkey_name_len, NULL, NULL, NULL, NULL);
+ RegDeleteKeyW(test_key, subkey_name);
+ }
+ RegCloseKey(test_key);
+ RegDeleteKeyW(root_key, WineTestW);
+ RegCloseKey(root_key);
+}
+