X-Git-Url: http://plrg.eecs.uci.edu/git/?p=iotcloud.git;a=blobdiff_plain;f=src%2Fjs%2Fiotjs%2Forig%2Fslotbuffer.js;h=1e769719e22f6baf70e8fe2092d8e136b136f652;hp=7c29463b2122d7b3db2db2cf93002ed58c7a3280;hb=d257683b21884821ee4a60c76cbc64cb5ee6df4c;hpb=2bd6f7a0cbf2b44d6e12d4cb1445d8f442bba859

diff --git a/src/js/iotjs/orig/slotbuffer.js b/src/js/iotjs/orig/slotbuffer.js
index 7c29463..1e76971 100644
--- a/src/js/iotjs/orig/slotbuffer.js
+++ b/src/js/iotjs/orig/slotbuffer.js
@@ -7,8 +7,8 @@ class SlotBuffer{
 		this.oldestseqn = 0;
 	}
 	size(){
-		if(this.head>=tail){
-			return head-tail;
+		if(this.head>=this.tail){
+			return this.head-this.tail;
 		}
 		return (this.array.length + this.head - this.tail);
 	}
@@ -73,7 +73,7 @@ class SlotBuffer{
 			return null;
 		}
 
-		if(this.head >= this.tail && index >= head){
+		if(this.head >= this.tail && index >= this.head){
 			return null;
 		}