From de2911076c8d075827bc8401fd0196a086953137 Mon Sep 17 00:00:00 2001
From: idgay <idgay>
Date: Thu, 8 Feb 2007 17:49:22 +0000
Subject: [PATCH] fix empty queue case

---
 tos/system/RoundRobinResourceQueueC.nc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tos/system/RoundRobinResourceQueueC.nc b/tos/system/RoundRobinResourceQueueC.nc
index b6d5565b..d2805a64 100644
--- a/tos/system/RoundRobinResourceQueueC.nc
+++ b/tos/system/RoundRobinResourceQueueC.nc
@@ -36,9 +36,12 @@ generic module RoundRobinResourceQueueC(uint8_t size) {
   }
 }
 implementation {
-  enum {NO_ENTRY = 0xFF};
+  enum {
+    NO_ENTRY = 0xFF,
+    SIZE = size ? (size - 1) / 8 + 1 : 0
+  };
 
-  uint8_t resQ[(size-1)/8 + 1];
+  uint8_t resQ[SIZE];
   uint8_t last = 0;
 
   void clearEntry(uint8_t id) {
-- 
2.39.2