Function write_resource_directory_to_scratch 

pub unsafe fn write_resource_directory_to_scratch(
    ptr: *mut u8,
    path: &str,
    is_shared: bool,
) -> Result<(), String>

Write a resource-directory path and its sharing flag to scratch. Format: magic (u32), length (u32), UTF-8 bytes, is_shared (u32).

Safety

ptr must point to a valid SHM allocation.