Method cb_write

rust/src/file_accessor.rs:61–78

(
            ctxt: *mut c_void,
            offset: u64,
            src: *const c_void,
            len: usize,
        )

        }

        extern "C" fn cb_write<F>(
            ctxt: *mut c_void,
            offset: u64,
            src: *const c_void,
            len: usize,
        ) -> usize
        where
            F: Read + Write + Seek + Sized,
        {
            let f = unsafe { &mut *(ctxt as *mut F) };
            let src = unsafe { slice::from_raw_parts(src as *const u8, len) };

            if f.seek(SeekFrom::Start(offset)).is_err() {
                0
            } else {
                f.write(src).unwrap_or(0)
            }
        }

        Self {
            api_object: BNFileAccessor {