cassandra_cpp_sys/
ffi_util.rs

1use cassandra::cass_bool_t;
2use std::slice;
3use std::str;
4
5use std::str::Utf8Error;
6
7/// Convert C pointer-and-length to Rust `String`. Fail if it is not valid UTF-8.
8///
9/// # Safety
10///
11/// Safety concerns are identical to [`std::slice::from_raw_parts`];
12/// please see those docs for details.
13pub unsafe fn raw2utf8(
14    data: *const ::std::os::raw::c_char,
15    length: usize,
16) -> Result<String, Utf8Error> {
17    let slice = slice::from_raw_parts(data as *const u8, length as usize);
18    Ok(str::from_utf8(slice)?.to_owned())
19}
20
21impl From<cass_bool_t> for bool {
22    fn from(b: cass_bool_t) -> Self {
23        match b {
24            cass_bool_t::cass_true => true,
25            cass_bool_t::cass_false => false,
26        }
27    }
28}
29
30impl From<bool> for cass_bool_t {
31    fn from(b: bool) -> Self {
32        if b {
33            cass_bool_t::cass_true
34        } else {
35            cass_bool_t::cass_false
36        }
37    }
38}
cassandra_cpp_sys/ffi_util.rs

cassandra_cpp_sys/
ffi_util.rs
