clippy: fix/allow needless_range_loop

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

src/config/network/helper.rs

@@ -51,6 +51,7 @@ pub static IPV4_REVERSE_MASK: &[&str] = &[
 lazy_static! {
     pub static ref IPV4_MASK_HASH_LOCALNET: HashMap<&'static str, u8> = {
         let mut map = HashMap::new();
+        #[allow(clippy::needless_range_loop)]
         for i in 8..32 {
             map.insert(IPV4_REVERSE_MASK[i], i as u8);
         }

src/server/config.rs

@@ -57,9 +57,9 @@ impl ApiConfig {
             prefix.push_str(components[0]);
             if let Some(subdir) = self.aliases.get(&prefix) {
                 filename.push(subdir);
-                for i in 1..comp_len { filename.push(components[i]) }
+                components.iter().skip(1).for_each(|comp| filename.push(comp));
             } else {
-                for i in 0..comp_len { filename.push(components[i]) }
+                components.iter().for_each(|comp| filename.push(comp));
             }
         }
         filename

src/tape/drive/volume_statistics.rs

@@ -95,19 +95,16 @@ fn decode_volume_statistics(data: &[u8]) -> Result<Lp17VolumeStatistics, Error>
 
     let read_be_counter = |reader: &mut &[u8], len: u8| {
         let len = len as usize;
-
         if len == 0 || len > 8 {
             bail!("invalid conter size '{}'", len);
         }
         let mut buffer = [0u8; 8];
         reader.read_exact(&mut buffer[..len])?;
 
-        let mut value: u64 = 0;
+        let value = buffer
-
+            .iter()
-        for i in 0..len {
+            .take(len)
-            value <<= 8;
+            .fold(0, |value, curr| (value << 8) | *curr as u64);
-            value |= buffer[i] as u64;
-        }
 
         Ok(value)
     };