activated system shutdown hook again, line_label macro

hooks.hpp

@@ -75,10 +75,10 @@ struct Hook : Array_List<Lambda<void()>> {
     }
 };
 
-// struct __System_Shutdown_Hook : Hook {
-//     void operator()() = delete;
-//     ~__System_Shutdown_Hook() {
-//         Hook::operator()();
-//         dealloc();
-//     }
-// } system_shutdown_hook;
+struct __System_Shutdown_Hook : Hook {
+    void operator()() = delete;
+    ~__System_Shutdown_Hook() {
+        Hook::operator()();
+        dealloc();
+    }
+} system_shutdown_hook;

macros.hpp

@@ -4,6 +4,7 @@
 #define proc auto
 #define concat(x, y) x ## y
 #define label(x, y) concat(x, y)
+#define line_label(x) label(x, __LINE__)
 
 
 /**

types.hpp

@@ -35,7 +35,7 @@ struct StringSlice {
 inline auto make_heap_string(const char* str) -> String {
     String ret;
     ret.length = strlen(str);
-    ret.data = strdup(str);
+    ret.data = _strdup(str);
     return ret;
 }