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felix-d/ffi_string.rs

Created July 9, 2017 17:43
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FFI - Convert C strings to Rust strings
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ffi_string.rs
extern crate libc;
use std::ffi::CStr;
use libc::c_char;
pub extern fn to_owned(buf: *const c_char) -> String {
let c_str: &CStr = unsafe { CStr::from_ptr(buf) };
let buf: &[u8] = c_str.to_bytes();
let str_slice: &str = std::str::from_utf8(buf).unwrap();
str_slice.to_owned()
}
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felix-d commented Jul 9, 2017 •
edited

See this stack overflow answer for more details

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