rokob

on_error:
        if (why == WHY_NOT) {
            if (err == 0 && x != NULL) {
                    continue; /* Normal, fast path */
            }
            why = WHY_EXCEPTION;
            x = Py_None;
            err = 0;
        }
        /* Double-check exception status */

rokob

extern crate libc;
use libc::size_t;

#[link(name = "snappy")]
extern {
    fn snappy_max_compressed_length(source_length: size_t) -> size_t;
}

fn main() {
    let x = unsafe { snappy_max_compressed_length(100) };