src/extname.rs in faster_path-0.1.13 vs src/extname.rs in faster_path-0.2.0

@@ -1,20 +1,13 @@
-use libc::c_char;
-use std::ffi::{CStr, CString};
 use path_parsing::extract_last_path_segment;
 
-#[no_mangle]
-pub extern "C" fn extname(c_pth: *const c_char) -> *const c_char {
-  if c_pth.is_null() {
-    return c_pth
-  }
+pub fn extname(pth: &str) -> String {
+  let name = extract_last_path_segment(pth);
 
-  let name = extract_last_path_segment(unsafe { CStr::from_ptr(c_pth) }.to_str().unwrap());
-
   if let Some(dot_i) = name.rfind('.') {
     if dot_i > 0 && dot_i < name.len() - 1 && name[..dot_i].chars().rev().next().unwrap() != '.' {
-      return CString::new(&name[dot_i..]).unwrap().into_raw()
+      return String::from(&name[dot_i..])
     }
   }
 
-  CString::new("").unwrap().into_raw()
+  String::from("")
 }