1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

use super::options::{Options, c_options};
use super::error::Error;
use std::ffi::CString;
use std::path::Path;
use std::ptr;
use libc::c_char;

use leveldb_sys::{leveldb_destroy_db, leveldb_repair_db};

/// destroy a database. You shouldn't hold a handle on the database anywhere at that time.
pub fn destroy(name: &Path, options: &Options) -> Result<(), Error> {
    let mut error = ptr::null_mut();
    unsafe {
        let c_string = CString::new(name.to_str().unwrap()).unwrap();
        let c_options = c_options(options, None);
        leveldb_destroy_db(c_options,
                           c_string.as_bytes_with_nul().as_ptr() as *const c_char,
                           &mut error);

        if error == ptr::null_mut() {
            Ok(())
        } else {
            Err(Error::new_from_char(error))
        }
    }
}

/// repair the database. The database should be closed at this moment.
pub fn repair(name: &Path, options: &Options) -> Result<(), Error> {
    let mut error = ptr::null_mut();
    unsafe {
        let c_string = CString::new(name.to_str().unwrap()).unwrap();
        let c_options = c_options(options, None);
        leveldb_repair_db(c_options,
                          c_string.as_bytes_with_nul().as_ptr() as *const c_char,
                          &mut error);

        if error == ptr::null_mut() {
            Ok(())
        } else {
            Err(Error::new_from_char(error))
        }
    }
}