A small optimization for the fix of netty#360

smallsilver · May 31, 2012 · 7fb64e2 · 7fb64e2
1 parent f2df20d
commit 7fb64e2
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/buffer/src/main/java/io/netty/buffer/ChannelBufferInputStream.java b/buffer/src/main/java/io/netty/buffer/ChannelBufferInputStream.java
@@ -195,9 +195,10 @@ public String readLine() throws IOException {
             lineBuf.append((char) b);
         }
 
-        while ( lineBuf.length() > 0 &&
-                lineBuf.charAt(lineBuf.length() - 1) == '\r') {
-            lineBuf.setLength(lineBuf.length() - 1);
+        if (lineBuf.length() > 0 ) {
+            while (lineBuf.charAt(lineBuf.length() - 1) == '\r') {
+                lineBuf.setLength(lineBuf.length() - 1);
+            }
         }
 
         return lineBuf.toString();