Rename `buffer` into `length_buffer`

src/link/mod.rs

@@ -39,7 +39,7 @@ pub struct MessageReader {
     is_broken: bool,
     reading_state: ReadingState,
     read_bytes: usize,
-    buffer: [u8; 4],
+    length_buffer: [u8; 4],
     current_message_length: usize,
     current_message: Vec<u8>,
     read_messages: VecDeque<String>,
@@ -63,7 +63,7 @@ impl MessageReader {
             is_broken: false,
             reading_state: ReadingState::Head,
             read_bytes: 0,
-            buffer: [0; 4],
+            length_buffer: [0; 4],
             current_message_length: 0,
             //  Will be recreated with `with_capacity` in `push_byte()`
             current_message: Vec::new(),
@@ -88,18 +88,18 @@ impl MessageReader {
                 }
             }
             ReadingState::ReceivedBytes => {
-                self.buffer[self.read_bytes] = input;
+                self.length_buffer[self.read_bytes] = input;
                 self.read_bytes += 1;
                 if self.read_bytes >= UE_RECEIVED_FIELD_SIZE {
-                    self.ue_received_bytes += array_of_u8_to_u32(self.buffer) as u64;
+                    self.ue_received_bytes += array_of_u8_to_u32(self.length_buffer) as u64;
                     self.change_state(ReadingState::Head);
                 }
             }
             ReadingState::Length => {
-                self.buffer[self.read_bytes] = input;
+                self.length_buffer[self.read_bytes] = input;
                 self.read_bytes += 1;
                 if self.read_bytes >= UE_LENGTH_FIELD_SIZE {
-                    self.current_message_length = array_of_u8_to_u32(self.buffer) as usize;
+                    self.current_message_length = array_of_u8_to_u32(self.length_buffer) as usize;
                     self.change_state(ReadingState::Payload);
                     if self.current_message_length > MAX_UE_MESSAGE_LENGTH {
                         self.is_broken = true;