Rename bytes to hex, allocate String with capacity.

uutils · Sep 28, 2024 · d338206 · d338206
1 parent ae01996
commit d338206
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/src/uucore/src/lib/features/checksum.rs b/src/uucore/src/lib/features/checksum.rs
@@ -322,10 +322,12 @@ fn determine_regex(lines: &[String]) -> Option<(Regex, bool)> {
 
 // Converts bytes to a hexadecimal string
 fn bytes_to_hex(bytes: &[u8]) -> String {
- bytes.iter().fold(String::new(), |mut bytes, byte| {
- write!(bytes, "{byte:02x}").unwrap();
- bytes
- })
+ bytes
+ .iter()
+ .fold(String::with_capacity(bytes.len() * 2), |mut hex, byte| {
+ write!(hex, "{byte:02x}").unwrap();
+ hex
+ })
 }
 
 fn get_expected_checksum(