Fix panic during protocol decode

Author: fafhrd91

CHANGES.md

@@ -1,5 +1,9 @@
 # Changes
 
+## [0.2.3] - 2021-09-03
+
+* Fix panic during protocol decoding
+
 ## [0.2.2] - 2021-08-28
 
 * use new ntex's timer api

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ntex-redis"
-version = "0.2.2"
+version = "0.2.3"
 authors = ["ntex contributors <[email protected]>"]
 description = "Redis client"
 documentation = "https://docs.rs/ntex-redis"
@@ -21,7 +21,7 @@ openssl = ["ntex/openssl"]
 rustls = ["ntex/rustls"]
 
 [dependencies]
-ntex = "0.4.0-b.4"
+ntex = "0.4.0-b.11"
 itoa = "0.4.5"
 btoi = "0.4.2"
 log = "0.4"

src/codec.rs

@@ -552,7 +552,7 @@ fn write_string(symb: u8, string: &str, buf: &mut BytesMut) {
 type DecodeResult = Result<Option<(usize, Response)>, Error>;
 
 fn decode(buf: &mut BytesMut, idx: usize) -> DecodeResult {
-    if !buf.is_empty() {
+    if buf.len() > idx {
         match buf[idx] {
             b'$' => decode_bytes(buf, idx + 1),
             b'*' => decode_array(buf, idx + 1),