// Copyright 2016 Mozilla
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

use std::ffi::{CStr, CString};
use std::os::raw::c_char;

pub unsafe fn c_char_to_string(cchar: *const c_char) -> String {
    let c_str = CStr::from_ptr(cchar);
    let r_str = match c_str.to_str() {
        Err(_) => "",
        Ok(string) => string,
    };
    r_str.to_string()
}

pub fn string_to_c_char(r_string: String) -> *mut c_char {
    CString::new(r_string).unwrap().into_raw()
}

#[no_mangle]
#[cfg(target_os = "ios")]
pub unsafe extern "C" fn c_strings_destroy_c_char(cchar: *mut *mut c_char) {
    CString::from_raw(*cchar);
}