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hunter
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use safer cast instead of transmute

This commit is contained in:
rabite0 2020-03-02 23:13:00 +01:00
parent 1ddb7a1593
commit b298bf3367
1 changed files with 4 additions and 3 deletions
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7
src/files.rs
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@ -1173,11 +1173,12 @@ impl File {
let name: &OsStr = unsafe {
use std::ffi::CStr;
// &CStr -> &[u8]
let s: &[u8] = std::mem::transmute::<&CStr, &[u8]>(direntry.file_name());
let s = direntry.file_name() as *const CStr;
let s: &[u8] = s.cast::<&[u8]>().as_ref().unwrap();
// &Cstr -> &OsStr, minus the NULL byte
let len = s.len();
let s = &s[..len-1];
std::mem::transmute::<&[u8], &OsStr>(s)
let s = &s[..len-1] as *const [u8];
s.cast::<&OsStr>().as_ref().unwrap()
};
// Avoid reallocation on push