if you can rely on gcc, cleanup attribute is probably the best you can do. The solution in original post doesn't cope with "break", "continue", "return" (and of

if you can rely on gcc, cleanup attribute is probably the best you can do. The solution in original post doesn't cope with "break", "continue", "return" (and of course, "goto", but I don't remember if cleanup attribute handles that either). Looks like their project already uses C++ though, so why don't they just use C++ for this is beyond me.